York Evaporator Blowers K4eu090 User Manual

036-21300-002-A-0905  
DESCRIPTION  
These completely assembled units include a well-insulated cabinet, a  
DX cooling coil with copper tubes and aluminum fins, expansion  
valve(s), distributor(s), throwaway filters, a centrifugal blower, a blower  
motor, an adjustable belt drive, a blower motor contactor and a small  
holding charge of refrigerant-22.  
®
The units are shipped in the vertical position ready for field installation.  
They can be installed for horizontal operation by reversing the position  
of the solid bottom panel with the return air duct flange on the front of  
the unit.  
Technical Guide  
ACCESSORIES—FIELD INSTALLED  
SUPPLY AIR PLENUMS  
SPLIT-SYSTEM  
These fully insulated plenums are available for free standing units  
located within the conditioned space, are shipped knocked-down for  
easy field assembly, are finished to match the exterior of the basic  
unit, and have double deflection grills that can be adjusted to vary the  
throw, spread and drop of the supply air.  
EVAPORATOR BLOWERS  
K2EU060, K4EU090, K3EU120 &  
K3EU180  
RETURN AIR GRILLS  
These expanded metal grills are available for free standing units  
located within the conditioned space, are finished to match the exterior  
of the basic unit and are shipped in one piece for easy installation.  
5 THRU 15 NOMINAL TONS  
BASES  
Bases are available to raise vertical units above the floor. Outdoor air  
may be introduced through these bases by cutting an access opening  
to accommodate the outdoor air duct connection. These bases are fin-  
ished to match the exterior of the basic unit. They may have to be insu-  
lated in the field for certain applications.  
THREE-PHASE ELECTRIC HEATERS  
Electric heaters are available in several capacities to provide maxi-  
mum flexibility. Both the air conditioning unit and the heater can be  
selected to precisely match the cooling and heating requirements of  
the conditioned space. These heaters are designed for easy field  
installation over the supply air opening of the unit. They have been  
tested by and will be shipped with a CSA label. Every heater will be  
fully protected against excessive current and temperature by fuses  
and two high limit thermostats.  
Units with electric heat will require only one power supply for both the  
heating elements and the supply air blower motor, and the power wir-  
ing can be protected by either dual element/time delay fuses or an  
inverse time circuit breaker.  
FOR DISTRIBUTION USE ONLY - NOT TO BE USED AT POINT OF RETAIL SALE  
   
036-21300-002-A-0905  
NOMENCLATURE  
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THERMOSTATS  
ACCESSORIES-FIELD INSTALLED (CONT.)  
Wall-mounted thermostats and subbases (24-volt) with sys-  
tem and fan switches are available to control the operation of  
these split system air conditioners.  
HOT WATER COILS  
These drainable coils have 2 rows of 1/2" copper tubes, 12  
aluminum fins per inch, a casing that is finished to match the  
exterior of the basic unit, but no water control valve. The coils  
slide out of their casings for easy field installation. They  
should be mounted over the return air opening on 5, 7-1/2  
and 10-ton units—between the unit coil and blower sections  
on 15-ton units.  
APPLICATION FLEXIBILITY  
MODELS 5, 7-1/2 & 10 TON  
These units are built in a single cabinet with two condensate  
drain pans. This allows the units to be installed in either the  
vertical or horizontal position for maximum flexibility.  
STEAM COILS  
On vertical applications, the air velocity across the cooling  
coil keeps the condensate from dripping off the finned sur-  
face onto the filters.  
These non-freeze coils have 1 row of 1" copper tubes, a 5/8"  
copper tube inside each 1" tube to distribute the steam evenly  
across the entire length of the coil, 8 aluminum fins per inch,  
a casing that is finished to match the exterior of the basic unit,  
but no steam control valve. The coils slide out of their casings  
for easy field installation and are pitched in their casings to  
facilitate condensate drainage. They should be mounted over  
the return air opening on 5, 7-1/2 and 10-ton units—between  
the unit coil and blower sections on 15-ton units.  
On horizontal applications, the unit must be installed with the  
condensate drain pan under the entire cooling coil.  
The Supply Air Plenum and the Return Air Grill accesso-  
ries can be used on either arrangement.  
The Base accessory can only be used on the vertical  
arrangement.  
SUSPENSION KIT  
Units installed horizontally are designed for ceiling suspen-  
sion. Four 3/8"-16 weld nuts are provided in the angle sup-  
ports on the front of the unit (the side with the logo).  
Knockouts are provided in the exterior panels for access to  
these weld nuts. The hanger rods must be supplied in the  
field.  
Suspension kit 1HH0451 is available for 15-ton units installed  
horizontally. The accessory includes two channel iron sup-  
ports and the hardware to secure them to the top of the unit.  
The hanger rods must be supplied by the field.  
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036-21300-002-A-0905  
MODEL 15 TON  
$,5  
287  
These units have two distinct modules . . . a blower module  
and a coil module. Although the unit is always shipped in the  
vertical position with a vertical air discharge as shown in illus-  
tration (a), the blower module can be repositioned in the field  
as shown in illustrations (b) and (c) for maximum flexibility.  
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sories can be applied on arrangement (a).  
The Return Air Grill and Base accessories can be  
applied on arrangement (b).  
The Supply Air Plenum, Return Air Grill and Suspension  
accessories can be applied on arrangement (c).  
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APPLICATION KEU060, 090 & 120  
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4
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036-21300-002-A-0905  
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FIGURE 3 - SUSPENSION MOUNTING (HORIZONTAL) - KEU060, 090 AND 120  
TABLE 1: UNIT SUSPENSION MOUNTING (HORIZONTAL APPLICATION) WEIGHTS  
Shipping  
Weight  
(lb)  
Operating  
Weight  
(lb)  
CG (in)  
4-Point Loading (lb)  
Unit Model  
X
Y
A
B
C
D
K*EU060  
K*EU090  
K*EU120  
K*EU180  
225  
210  
22.50  
26.50  
26.50  
26.50  
15.00  
24.00  
24.00  
24.00  
47  
78  
51  
84  
92  
77  
58  
84  
53  
78  
340  
235  
370  
355  
86  
92  
86  
440  
425  
104  
104  
141  
TABLE 2: KEU OPERATING WEIGHTS (LBS.)  
MODEL  
060  
210  
45  
090  
120  
180  
BASIC UNIT  
(Cooling Only)  
Base  
325  
55  
325  
55  
425  
65  
Return Air Grill  
Supply Air Plenum  
Hot Water Coil  
Steam Coil  
10  
15  
15  
20  
90  
100  
105  
115  
100  
105  
115  
115  
135  
145  
70  
80  
ACCESSORIES  
10 KW  
16 KW  
26 KW  
36 KW  
72 KW  
66  
70  
Electric Heater  
74  
77  
125  
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036-21300-002-A-0905  
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FIGURE 4 - SUSPENSION ACCESSORY (HORIZONTAL) - KEU180  
TABLE 3: SOUND POWER RATINGS  
SOUND POWER (dB 10-12 WATTS)  
ESP  
IWG  
BLOWER  
OCTAVE BAND CENTERLINE FREQUENCY (HZ)  
UNIT  
MODEL  
CFM  
dB(A)  
@
10 FT.1  
RPM  
BHP  
63  
125  
250  
500  
1,000  
2,000  
4,000  
8,000  
SWL dB(a)  
060  
090  
120  
180  
2,000  
3,000  
4,000  
6,000  
0.50  
0.60  
0.70  
0.75  
940  
750  
850  
750  
0.70  
1.05  
1.75  
2.75  
88  
88  
91  
95  
88  
88  
91  
95  
78  
78  
81  
85  
71  
73  
74  
80  
73  
71  
76  
78  
66  
66  
69  
73  
61  
61  
64  
68  
56  
56  
59  
63  
77  
77  
81  
84  
44  
45  
48  
52  
1. At a distance of 10 feet from the blower.  
NOTE:  
These values have been accessed using a model of sound propagation from a point source into the hemispheric free field. The dBA values provided are  
for reference only. Calculation of dBA values cover matters of system design and the fan manufacturer has no way of knowing the details of each sys-  
tem. This constitutes an exception to any specification or guarantee requiring a dBA value or sound data in any other form than sound power level rat-  
ings.  
6
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036-21300-002-A-0905  
TABLE 4: HEATING CAPACITY - ELECTRIC HEAT ACCESSORY  
CAPACITY  
1ST STAGE 2ND STAGE  
NOMINAL RATINGS1  
UNIT MODEL  
HEATER MODEL  
VOLTAGE TEST  
KW  
10  
MBH  
34.2  
54.7  
88.9  
KW  
10  
MBH  
34.2  
34.2  
54.7  
KW  
-
MBH  
-
2HT045010  
2HT045016  
2HT045026  
25  
208 / 2402  
208 / 2402  
208 / 2402  
208 / 2402  
4803  
060  
25  
25  
25  
46  
58  
25  
46  
58  
25  
46  
58  
25  
46  
58  
25  
46  
58  
25  
46  
58  
25  
46  
58  
25  
46  
58  
25  
46  
58  
16  
10  
6
20.5  
34.2  
26  
16  
10  
2HS045010  
2HS045016  
2HS045026  
2HS045036  
2HS045010  
2HS045016  
2HS045026  
2HS045036  
2HS045072  
10  
16  
26  
36  
10  
16  
26  
36  
72  
34.2  
54.7  
88.9  
123  
10  
10  
16  
16  
10  
10  
16  
16  
36  
34.2  
34.2  
54.7  
54.7  
34.2  
34.2  
54.7  
54.7  
123  
-
-
6004  
208 / 2402  
4803  
6
20.5  
34.2  
68.3  
-
6004  
090, 120  
208 / 2402  
4803  
10  
20  
-
6004  
208 / 2402  
4803  
6004  
208 / 2402  
2803  
34.2  
54.7  
88.9  
123  
6004  
208 / 2402  
2803  
6
20.5  
34.2  
68.3  
123  
6004  
208 / 2402  
2803  
180  
10  
20  
36  
6004  
208 / 2402  
2803  
6004  
208 / 2402  
2803  
246  
6004  
1. Capacity Ratings do not include the heat generated by the air blower motor.  
2. For 208 volts, multiply the MBH and KW by (208/240)² or 0.751.  
For 230 volts, multiply the MBH and KW by (230/240)² or 0.918.  
3. For 460 volts, multiply the MBH and KW by (460/480)² or 0.918.  
4. For 575 volts, multiply the MBH and KW by (575/600)² or 0.918.  
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2
TABLE 5: STEAM COIL CAPACITY , MBH@2 PSIG  
DRY BULB TEMPERATURE OF AIR ENTERING COIL, ºF  
STEAM COIL  
UNIT MODEL  
CFM  
MODEL  
10  
30  
50  
70  
1600  
2000  
2400  
2400  
3000  
3600  
3200  
4000  
4800  
4800  
6000  
7200  
104.0  
115.2  
124.9  
172.2  
191.2  
207.5  
196.4  
217.3  
236.1  
298.2  
329.1  
356.4  
94.0  
83.9  
73.9  
1NF0450  
060  
104.0  
113.0  
155.5  
172.6  
187.1  
177.6  
195.3  
212.9  
268.4  
297.0  
321.8  
93.1  
81.9  
100.9  
139.1  
154.3  
167.4  
158.8  
175.3  
190.4  
236.7  
265.6  
287.9  
89.0  
122.4  
136.0  
147.4  
140.0  
154.8  
167.8  
211.5  
234.1  
254.0  
090  
120  
180  
1NF0451  
1NF0452  
1. These capacities do not include any blower motor heat.  
2. Multiply these capacities by the following factors to correct for higher steam pressures.  
Steam Pressure, psig  
5
10  
15  
20  
25  
Capacity correction factor  
1.05  
1.12  
1.19  
1.25  
1.30  
NOTE: Steam rate (lb./hr.) = 1.025 x MBH  
CAUTION: Do NOT operate a motor above its nominal HP rating when a unit is equipped with a steam coil acces-  
sory.  
1
TABLE 6: HOT WATER CAPACITY , MBH  
ENTERING WATER TEMP. MINUS ENTERING AIR TEMP., ºF  
WATER COIL MODEL  
UNIT MODEL  
GPM  
CFM  
70  
90  
110  
130  
150  
1600  
2000  
2400  
2400  
3000  
3600  
3200  
4000  
4800  
4800  
6000  
7200  
46.5  
60.4  
74.6  
89.0  
101.8  
113.4  
123.3  
169.7  
190.4  
208.1  
196.6  
218.6  
237.4  
294.1  
326.6  
354.3  
1HW0450  
060  
10  
51.7  
67.2  
83.0  
99.2  
56.0  
73.0  
90.4  
107.9  
148.5  
166.6  
182.1  
172.1  
191.3  
207.5  
257.4  
285.9  
309.8  
78.0  
101.3  
113.3  
124.0  
117.1  
130.2  
140.9  
175.1  
195.0  
210.8  
124.7  
139.6  
153.0  
144.6  
160.7  
174.3  
215.8  
240.3  
260.4  
090  
120  
180  
15  
15  
20  
87.7  
95.5  
1HW0451  
1HW0452  
90.3  
100.2  
108.3  
135.5  
150.0  
162.4  
1. These capacities do no include any blower motor heat.  
0
NOTE: Water Temperature Drop, F = 2 x MBH  
CAUTION: Do NOT operate a motor above its nominal HP rating when a unit is equipped with a hot water coil accessory.  
TABLE 7: PRESSURE DROP VS. GPM  
TABLE 8: CAPACITY CORRECTION VS. GPM  
GPM  
Pressure Drop, PSI  
GPM  
10  
.10  
15  
20  
.32  
30  
30  
.67  
45  
GPM  
Capacity Correction  
GPM  
20  
1.12  
30  
30  
1.16  
45  
1HW0450  
1HW0451  
1HW0452  
1HW0450  
1HW0451  
1HW0452  
Pressure Drop, PSI  
GPM  
.17  
20  
.58  
40  
1.22  
60  
Capacity Correction  
GPM  
1.11  
40  
1.15  
60  
Pressure Drop, PSI  
.20  
.67  
1.41  
Capacity Correction  
1.12  
1.17  
8
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TABLE 9: SUPPLY AIR BLOWER PERFORMANCE - KEU060 (5 TON)  
EXTERNAL STATIC PRESSURE  
CFM  
0.2  
W
0.4  
W
0.6  
W
0.8  
W
RPM  
677  
BHP  
0.08  
0.24  
0.39  
0.54  
0.70  
0.88  
1.07  
1.27  
1.50  
1.74  
RPM  
753  
BHP  
0.19  
0.35  
0.50  
0.65  
0.81  
0.99  
1.17  
1.38  
1.60  
1.85  
RPM  
831  
BHP  
0.29  
0.45  
0.60  
0.75  
0.91  
1.09  
1.27  
1.48  
1.70  
1.95  
RPM  
912  
BHP  
0.38  
0.54  
0.69  
0.85  
1.01  
1.18  
1.37  
1.57  
1.80  
----  
1400  
1600  
1800  
2000  
2200  
2400  
2600  
2800  
3000  
3200  
74  
174  
325  
466  
607  
757  
918  
1094  
1286  
1495  
1721  
268  
355  
506  
647  
789  
938  
1100  
1276  
1468  
1677  
----  
725  
225  
366  
507  
657  
818  
994  
1187  
1395  
1622  
801  
879  
419  
959  
773  
849  
927  
560  
1008  
1056  
1106  
1156  
1207  
1258  
1311  
----  
822  
898  
975  
701  
871  
947  
1025  
1075  
1126  
1178  
1230  
1283  
851  
922  
997  
1012  
1188  
1380  
1589  
1815  
972  
1048  
1100  
1152  
1205  
1024  
1076  
1129  
EXTERNAL STATIC PRESSURE  
1.2 1.4  
CFM  
1.0  
W
1.6  
W
RPM  
997  
BHP  
0.47  
0.63  
0.78  
0.93  
1.09  
1.27  
1.45  
1.66  
1.88  
----  
RPM  
1086  
1134  
1182  
1230  
1280  
1330  
1381  
1433  
1485  
----  
W
BHP  
0.54  
0.71  
0.86  
1.01  
1.17  
1.34  
1.53  
1.74  
1.96  
----  
RPM  
1181  
1228  
1276  
1325  
1375  
1425  
1476  
1527  
----  
W
BHP  
0.61  
0.77  
0.92  
1.08  
1.24  
1.41  
1.60  
1.80  
----  
RPM  
1282  
1329  
1377  
1426  
1476  
1526  
1577  
1628  
----  
BHP  
0.67  
0.83  
0.98  
1.13  
1.29  
1.47  
1.66  
1.86  
----  
1400  
1600  
1800  
2000  
2200  
2400  
2600  
2800  
3000  
3200  
435  
586  
727  
869  
1018  
1180  
1356  
1548  
1757  
----  
507  
570  
622  
774  
914  
1056  
1205  
1367  
1543  
1735  
----  
1044  
1092  
1141  
1191  
1241  
1292  
1343  
1395  
----  
658  
721  
799  
861  
940  
1003  
1153  
1314  
1490  
1682  
----  
1090  
1251  
1427  
1620  
1828  
----  
----  
----  
----  
----  
----  
----  
Exceeds the BHP limitation.  
Unitary Products Group  
9
 
036-21300-002-A-0905  
TABLE 10: SUPPLY AIR BLOWER PERFORMANCE - KEU090 (7.5 TON)  
EXTERNAL STATIC PRESSURE  
CFM  
0.2  
W
0.4  
W
0.6  
W
0.8  
RPM  
561  
579  
599  
619  
640  
662  
684  
706  
728  
750  
771  
792  
813  
BHP  
0.30  
0.44  
0.58  
0.71  
0.84  
0.97  
1.09  
1.20  
1.31  
1.42  
1.52  
1.62  
1.72  
RPM  
612  
630  
649  
670  
691  
713  
735  
757  
779  
800  
822  
843  
864  
BHP  
0.43  
0.57  
0.71  
0.84  
0.97  
1.10  
1.21  
1.33  
1.44  
1.55  
1.65  
1.75  
1.84  
RPM  
670  
688  
707  
728  
749  
771  
793  
815  
837  
859  
880  
901  
922  
BHP  
0.57  
0.71  
0.85  
0.98  
1.11  
1.23  
1.35  
1.47  
1.58  
1.69  
1.79  
1.89  
1.98  
RPM  
734  
752  
771  
792  
813  
835  
857  
879  
900  
922  
944  
965  
986  
W
BHP  
0.71  
0.85  
0.99  
1.12  
1.25  
1.37  
1.49  
1.61  
1.72  
1.83  
1.93  
2.03  
2.12  
2200  
2400  
2600  
2800  
3000  
3200  
3400  
3600  
3800  
4000  
4200  
4400  
4600  
281  
400  
530  
661  
414  
533  
663  
794  
542  
662  
792  
922  
666  
786  
916  
1047  
1166  
1282  
1393  
1500  
1603  
1702  
1798  
1890  
1979  
786  
905  
1035  
1151  
1262  
1369  
1472  
1571  
1667  
1759  
1848  
901  
1021  
1132  
1239  
1342  
1441  
1537  
1629  
1718  
1013  
1120  
1223  
1322  
1418  
1510  
1599  
EXTERNAL STATIC PRESSURE  
1.2 1.4  
CFM  
1.0  
1.6  
W
RPM  
801  
819  
838  
859  
880  
902  
924  
945  
967  
989  
1011  
1032  
1052  
W
BHP  
0.84  
0.98  
1.12  
1.25  
1.38  
1.51  
1.63  
1.74  
1.85  
1.96  
2.06  
2.16  
2.25  
RPM  
869  
W
BHP  
0.95  
1.09  
1.23  
1.36  
1.49  
1.62  
1.74  
1.85  
1.96  
2.07  
2.17  
2.27  
----  
RPM  
936  
W
BHP  
1.03  
1.17  
1.31  
1.45  
1.57  
1.70  
1.82  
1.93  
2.04  
2.15  
2.25  
----  
RPM  
1000  
1018  
1038  
1058  
1079  
1101  
1123  
1145  
1167  
1189  
1210  
----  
BHP  
1.07  
1.21  
1.35  
1.49  
1.61  
1.74  
1.86  
1.97  
2.08  
2.19  
2.29  
----  
2200  
2400  
2600  
2800  
3000  
3200  
3400  
3600  
3800  
4000  
4200  
4400  
4600  
783  
886  
962  
999  
916  
887  
1019  
1148  
1272  
1392  
1507  
1618  
1725  
1828  
1928  
2023  
2116  
----  
954  
1095  
1223  
1348  
1467  
1583  
1694  
1801  
1904  
2003  
2099  
----  
1132  
1261  
1385  
1505  
1620  
1731  
1838  
1941  
2041  
2136  
----  
1044  
1169  
1288  
1404  
1515  
1622  
1725  
1824  
1920  
2012  
2101  
906  
973  
927  
994  
948  
1015  
1037  
1059  
1081  
1103  
1124  
1146  
----  
970  
992  
1014  
1036  
1057  
1079  
1100  
----  
----  
----  
----  
----  
----  
----  
Exceeds the BHP limitation.  
10  
Unitary Products Group  
 
036-21300-002-A-0905  
TABLE 11: SUPPLY AIR BLOWER PERFORMANCE - KEU120 (10 TON)  
EXTERNAL STATIC PRESSURE  
CFM  
0.2  
W
0.4  
W
0.6  
0.8  
RPM  
571  
595  
619  
643  
667  
692  
716  
740  
765  
789  
813  
837  
861  
884  
907  
BHP  
0.13  
0.37  
0.60  
0.81  
1.01  
1.20  
1.39  
1.57  
1.76  
1.95  
2.14  
2.33  
2.52  
2.72  
2.93  
RPM  
630  
654  
678  
702  
726  
751  
775  
799  
824  
848  
872  
896  
920  
943  
966  
BHP  
0.36  
0.60  
0.82  
1.03  
1.23  
1.43  
1.61  
1.80  
1.99  
2.17  
2.36  
2.55  
2.75  
2.95  
3.15  
RPM  
682  
706  
730  
754  
778  
803  
827  
852  
876  
900  
924  
948  
972  
995  
1019  
W
BHP  
0.52  
0.77  
0.99  
1.20  
1.40  
1.59  
1.78  
1.97  
2.15  
2.34  
2.53  
2.72  
2.92  
3.12  
3.32  
RPM  
733  
756  
780  
804  
829  
853  
877  
902  
926  
950  
974  
998  
1022  
1045  
1069  
W
BHP  
0.66  
0.91  
1.13  
1.34  
1.54  
1.73  
1.92  
2.11  
2.29  
2.48  
2.67  
2.86  
3.05  
3.25  
3.46  
2800  
3000  
3200  
3400  
3600  
3800  
4000  
4200  
4400  
4600  
4800  
5000  
5200  
5400  
5600  
122  
332  
489  
618  
349  
559  
716  
845  
558  
768  
925  
1054  
1249  
1435  
1614  
1790  
1963  
2136  
2310  
2486  
2665  
2847  
3033  
3224  
753  
964  
1120  
1306  
1485  
1661  
1834  
2008  
2182  
2357  
2536  
2718  
2905  
3095  
939  
1149  
1329  
1504  
1678  
1851  
2025  
2201  
2380  
2562  
2748  
2939  
1119  
1294  
1468  
1641  
1815  
1991  
2169  
2352  
2538  
2728  
EXTERNAL STATIC PRESSURE  
1.2 1.4  
CFM  
1.0  
1.6  
W
RPM  
786  
W
BHP  
0.80  
1.04  
1.27  
1.48  
1.67  
1.87  
2.06  
2.24  
2.43  
2.61  
2.80  
2.99  
3.19  
3.39  
----  
RPM  
846  
W
BHP  
0.96  
1.20  
1.43  
1.64  
1.84  
2.03  
2.22  
2.40  
2.59  
2.77  
2.96  
3.15  
3.35  
----  
RPM  
920  
W
BHP  
1.17  
1.41  
1.64  
1.85  
2.05  
2.24  
2.43  
2.61  
2.80  
2.99  
3.18  
3.37  
----  
RPM  
1010  
1034  
1057  
1082  
1106  
1130  
1155  
1179  
1203  
1228  
1252  
----  
BHP  
1.46  
1.71  
1.93  
2.14  
2.34  
2.53  
2.72  
2.91  
3.09  
3.28  
3.47  
----  
2800  
3000  
3200  
3400  
3600  
3800  
4000  
4200  
4400  
4600  
4800  
5000  
5200  
5400  
5600  
744  
893  
1092  
1319  
1528  
1723  
1909  
2088  
2264  
2437  
2610  
2784  
2960  
3139  
----  
1364  
1592  
1800  
1996  
2182  
2361  
2536  
2710  
2883  
3057  
3233  
----  
809  
971  
870  
1121  
1329  
1525  
1711  
1890  
2066  
2239  
2412  
2586  
2762  
2941  
3123  
----  
943  
833  
1180  
1375  
1561  
1741  
1916  
2090  
2263  
2437  
2613  
2791  
2973  
3160  
----  
894  
967  
857  
918  
991  
882  
942  
1016  
1040  
1064  
1089  
1113  
1137  
1161  
1185  
----  
906  
967  
930  
991  
955  
1016  
1040  
1064  
1088  
1112  
1136  
----  
979  
1003  
1027  
1051  
1075  
1098  
----  
----  
----  
----  
----  
----  
----  
----  
----  
----  
----  
----  
----  
----  
----  
----  
----  
----  
----  
Exceeds the BHP limitation.  
Unitary Products Group  
11  
 
036-21300-002-A-0905  
TABLE 12: SUPPLY AIR BLOWER PERFORMANCE - KEU180 (15 TON)  
EXTERNAL STATIC PRESSURE  
CFM  
0.2  
0.4  
0.6  
0.8  
RPM  
555  
562  
569  
577  
586  
595  
604  
614  
624  
635  
645  
656  
667  
679  
690  
701  
W
BHP  
0.41  
0.66  
0.89  
1.10  
1.29  
1.47  
1.64  
1.81  
1.97  
2.14  
2.30  
2.46  
2.62  
2.78  
2.95  
3.13  
RPM  
594  
600  
608  
616  
624  
634  
643  
653  
663  
673  
684  
695  
706  
717  
729  
740  
W
BHP  
0.67  
0.92  
1.14  
1.35  
1.55  
1.73  
1.90  
2.07  
2.23  
2.39  
2.55  
2.71  
2.87  
3.04  
3.21  
3.38  
RPM  
633  
640  
648  
656  
664  
673  
683  
693  
703  
713  
724  
735  
746  
757  
768  
780  
W
BHP  
0.91  
1.16  
1.39  
1.60  
1.79  
1.97  
2.15  
2.31  
2.48  
2.64  
2.80  
2.96  
3.12  
3.29  
3.46  
3.63  
RPM  
676  
683  
690  
698  
707  
716  
726  
735  
745  
756  
766  
777  
788  
800  
811  
823  
W
BHP  
1.16  
1.42  
1.64  
1.85  
2.04  
2.23  
2.40  
2.57  
2.73  
2.89  
3.05  
3.21  
3.37  
3.54  
3.71  
3.88  
4000  
4200  
4400  
4600  
4800  
5000  
5200  
5400  
5600  
5800  
6000  
6200  
6400  
6600  
6800  
7000  
382  
620  
851  
1085  
1319  
1531  
1725  
1905  
2075  
2236  
2392  
2544  
2694  
2843  
2993  
3145  
3299  
3456  
3618  
616  
854  
1085  
1297  
1491  
1671  
1841  
2002  
2158  
2310  
2459  
2609  
2759  
2910  
3064  
3222  
3384  
828  
1066  
1260  
1440  
1610  
1771  
1927  
2079  
2228  
2378  
2528  
2679  
2833  
2991  
3153  
1022  
1202  
1372  
1533  
1689  
1841  
1991  
2140  
2290  
2442  
2596  
2753  
2915  
EXTERNAL STATIC PRESSURE  
1.2 1.4  
CFM  
1.0  
1.6  
RPM  
723  
729  
737  
745  
754  
763  
772  
782  
792  
802  
813  
824  
835  
846  
858  
869  
W
BHP  
1.43  
1.68  
1.91  
2.12  
2.31  
2.49  
2.66  
2.83  
2.99  
3.16  
3.32  
3.48  
3.64  
3.80  
3.97  
4.15  
RPM  
775  
781  
789  
797  
806  
815  
824  
834  
844  
854  
865  
876  
887  
898  
910  
921  
W
BHP  
1.72  
1.97  
2.20  
2.41  
2.60  
2.78  
2.96  
3.12  
3.29  
3.45  
3.61  
3.77  
3.93  
4.10  
4.26  
4.44  
RPM  
833  
840  
848  
856  
864  
873  
883  
893  
903  
913  
924  
935  
946  
957  
968  
980  
W
BHP  
2.05  
2.30  
2.53  
2.74  
2.93  
3.11  
3.28  
3.45  
3.61  
3.77  
3.93  
4.10  
4.26  
4.42  
4.59  
4.77  
RPM  
900  
W
BHP  
2.42  
2.67  
2.90  
3.11  
3.30  
3.48  
3.66  
3.82  
3.99  
4.15  
4.31  
4.47  
4.63  
4.80  
4.97  
5.14  
4000  
4200  
4400  
4600  
4800  
5000  
5200  
5400  
5600  
5800  
6000  
6200  
6400  
6600  
6800  
7000  
1333  
1567  
1779  
1973  
2153  
2323  
2484  
2640  
2792  
2942  
3091  
3241  
3392  
3547  
3704  
3866  
1604  
1839  
2051  
2245  
2425  
2594  
2755  
2911  
3063  
3213  
3362  
3512  
3664  
3818  
3976  
4137  
1910  
2144  
2356  
2550  
2730  
2899  
3061  
3216  
3368  
3518  
3667  
3817  
3969  
4123  
4281  
4442  
2258  
2493  
2704  
2899  
3079  
3248  
3409  
3565  
3717  
3867  
4016  
4166  
4318  
4472  
4629  
4791  
907  
915  
923  
931  
940  
950  
960  
970  
980  
991  
1002  
1013  
1024  
1035  
1047  
Exceeds the BHP limitation.  
12  
Unitary Products Group  
 
036-21300-002-A-0905  
TABLE 13: STATIC RESISTANCE FOR UNIT ACCESSORIES (IWG) - KEU060-120  
Electric Heat KW  
Supply Air  
Plenum  
Return  
Air Grill  
Hot Water  
Coil  
Steam  
Coil  
CFM  
10  
16  
26  
36  
2200  
2400  
2600  
2800  
3000  
3200  
3400  
3600  
3800  
4000  
4200  
4400  
4600  
4800  
5000  
0.01  
0.01  
0.01  
0.01  
0.01  
0.02  
0.02  
0.02  
0.02  
0.03  
0.03  
0.03  
0.03  
0.04  
0.04  
0.01  
0.02  
0.02  
0.03  
0.03  
0.04  
0.04  
0.05  
0.06  
0.06  
0.07  
0.07  
0.08  
0.08  
0.09  
0.03  
0.03  
0.04  
0.04  
0.05  
0.06  
0.07  
0.07  
0.08  
0.09  
0.10  
0.11  
0.12  
0.13  
0.14  
0.04  
0.05  
0.06  
0.07  
0.08  
0.09  
0.10  
0.11  
0.12  
0.14  
0.15  
0.16  
0.18  
0.19  
0.21  
0.02  
0.03  
0.03  
0.04  
0.04  
0.05  
0.05  
0.06  
0.06  
0.07  
0.07  
0.08  
0.09  
0.10  
0.10  
0.02  
0.03  
0.03  
0.04  
0.04  
0.05  
0.05  
0.06  
0.06  
0.07  
0.07  
0.08  
0.09  
0.10  
0.10  
0.07  
0.09  
0.10  
0.12  
0.14  
0.16  
0.17  
0.19  
0.22  
0.24  
0.26  
0.28  
0.31  
0.33  
0.36  
0.11  
0.13  
0.15  
0.16  
0.18  
0.20  
0.23  
0.25  
0.27  
0.30  
0.33  
0.36  
0.39  
0.43  
0.46  
TABLE 14: STATIC RESISTANCE FOR UNIT ACCESSORIES (IWG) - KEU180  
Electric Heat KW  
Supply Air  
Plenum  
Return  
Air Grill  
Hot Water  
Coil  
Steam  
Coil  
CFM  
10  
16  
26  
36  
72  
4600  
4800  
5000  
5200  
5400  
5600  
5800  
6000  
6200  
6400  
6600  
6800  
7000  
7200  
7400  
0.03  
0.04  
0.04  
0.04  
0.05  
0.05  
0.06  
0.06  
0.07  
0.07  
0.08  
0.08  
0.09  
0.09  
0.10  
0.08  
0.08  
0.09  
0.10  
0.10  
0.11  
0.11  
0.12  
0.13  
0.13  
0.14  
0.15  
0.15  
0.16  
0.17  
0.12  
0.13  
0.14  
0.16  
0.17  
0.18  
0.20  
0.21  
0.22  
0.24  
0.25  
0.27  
0.29  
0.30  
0.32  
0.18  
0.19  
0.21  
0.23  
0.24  
0.26  
0.28  
0.30  
0.32  
0.34  
0.36  
0.38  
0.41  
0.43  
0.45  
0.23  
0.25  
0.27  
0.29  
0.31  
0.34  
0.37  
0.40  
0.43  
0.47  
0.51  
0.55  
0.59  
0.64  
0.68  
0.05  
0.06  
0.06  
0.06  
0.07  
0.07  
0.08  
0.08  
0.08  
0.09  
0.09  
0.10  
0.10  
0.10  
0.11  
0.05  
0.06  
0.06  
0.06  
0.07  
0.07  
0.08  
0.08  
0.08  
0.09  
0.09  
0.10  
0.10  
0.10  
0.11  
0.31  
0.33  
0.36  
0.38  
0.41  
0.44  
0.47  
0.50  
0.53  
0.56  
0.59  
0.62  
0.66  
0.69  
0.73  
0.39  
0.43  
0.46  
0.50  
0.54  
0.58  
0.62  
0.66  
0.71  
0.75  
0.80  
0.85  
0.90  
0.95  
1.01  
Unitary Products Group  
13  
   
036-21300-002-A-0905  
TABLE 15: SUPPLY AIR PLENUM PERFORMANCE DATA  
Angle of Deflection  
Vertical  
Horizontal  
Vertical  
Louvers  
(Plan  
Horizontal  
Vertical  
Louvers  
(Plan  
Horizontal  
Louvers  
(Elevation  
View)  
1
2
Louvers  
(Elevation  
View)  
Louvers  
(Plan  
Louvers  
4
S
5
°
2
S
2
-
1
/
2
°
(Elevation  
View)  
P
R
E
A
D
P
R
E
A
D
Face  
Model CFM Velocity  
(FPM)  
0
S
°
View)  
View)  
View)  
P
R
E
A
D
Spread  
Throw  
(Feet)  
Throw  
(Feet)  
Spread  
(Feet)  
Throw  
(Feet)  
Spread  
(Feet)  
3
0
S
°
0
S
°
(Feet)  
18˚  
0
S
°
P
R
E
A
D
18˚  
P
R
E
A
D
18˚  
P
R
E
A
D
4
Min. Max. Min. Max  
Min.  
27  
30  
34  
37  
41  
34  
39  
42  
46  
50  
45  
50  
56  
62  
68  
61  
68  
76  
84  
92  
Max Min. Max  
Drop (Feet)  
Min. Max. Min. Max.  
Drop (Feet)  
Drop (Feet)  
1600  
1800  
2000  
2200  
2400  
2400  
2700  
3000  
3300  
3600  
3200  
3600  
4000  
4400  
4800  
4800  
5400  
6000  
6600  
7200  
630  
710  
38  
43  
48  
52  
57  
47  
53  
59  
65  
71  
63  
71  
78  
86  
94  
84  
95  
106  
116  
126  
59  
67  
13  
14  
16  
17  
19  
20  
22  
24  
26  
28  
25  
28  
30  
33  
35  
32  
36  
39  
43  
46  
20  
22  
25  
27  
30  
29  
32  
35  
38  
41  
37  
41  
45  
49  
53  
48  
54  
59  
65  
70  
15  
16  
16  
16  
17  
19  
20  
21  
21  
22  
21  
22  
22  
23  
23  
23  
24  
25  
26  
27  
8
8
9
9
9
9
43  
48  
12  
14  
15  
17  
18  
23  
25  
27  
29  
32  
29  
32  
35  
38  
41  
38  
42  
46  
50  
55  
19  
22  
24  
26  
29  
33  
36  
40  
44  
47  
43  
47  
52  
57  
62  
56  
63  
69  
76  
83  
14  
14  
14  
15  
15  
17  
18  
19  
19  
20  
19  
20  
20  
21  
21  
21  
22  
23  
23  
24  
7
7
21  
23  
25  
29  
30  
26  
29  
32  
35  
38  
34  
38  
42  
47  
51  
46  
52  
57  
63  
68  
32  
37  
40  
44  
48  
39  
45  
50  
55  
60  
53  
60  
66  
73  
80  
72  
81  
89  
98  
107  
33  
35  
38  
44  
45  
45  
48  
52  
56  
60  
54  
60  
67  
76  
85  
73  
81  
90  
99  
48  
56  
8
4
4
5
5
5
5
5
5
5
6
5
6
6
6
6
6
6
7
7
7
8
060  
090  
120  
180  
790  
74  
53  
8
60  
9
870  
81  
58  
8
66  
9
940  
89  
64  
8
72  
9
615  
74  
53  
8
65  
9
690  
83  
10  
10  
10  
11  
10  
11  
11  
12  
12  
12  
12  
13  
13  
14  
59  
9
71  
10  
10  
10  
11  
10  
11  
11  
12  
12  
12  
12  
13  
13  
14  
770  
92  
66  
9
78  
845  
101  
110  
98  
73  
9
85  
920  
79  
10  
9
91  
820  
70  
82  
920  
110  
123  
135  
147  
132  
149  
165  
182  
199  
79  
10  
10  
11  
11  
11  
11  
12  
12  
12  
91  
1025  
1130  
1230  
880  
88  
102  
115  
127  
112  
124  
138  
152  
97  
106  
95  
1000  
1110  
1220  
1330  
107  
119  
131  
143  
109 166  
1. Adjusting the vertical louvers will vary the throw, the spread and the drop.  
2. Adjusting the horizontal louvers will only vary the drop.  
3. The velocity of the air will be 125 ft./min. at the minimum distance and 80 ft./min. at the maximum distance.  
4. The velocity of the conditioned air at the bottom of the drop will be 50 ft./min. Drafts will occur if the drop extends into the occupied  
level of the conditioned space.  
TABLE 16: BLOWER MOTOR AND DRIVE DATA  
MOTOR  
ADJUSTABLE MOTOR PULLEY  
FIXED BLOWER PULLEY  
OUTSIDE PITCH  
BELT (NOTCHED)  
PITCH  
BLOWER  
RANGE  
(RPM)  
OUTSIDE PITCH  
MODEL  
DESIG-  
NATION  
BORE DESIG-  
BORE DESIG-  
(IN.)  
HP  
FRAME  
DIA.  
(IN.)  
DIA.  
(IN.)  
DIA.  
(IN.)  
DIA.  
(IN.)  
LENGTH QTY.  
(IN.)  
(IN.)  
NATION  
NATION  
060  
090  
120  
180  
810/1110  
655/880  
700/950  
625/810  
3/4  
1-1/2  
2
56  
56  
56  
56  
1VL44  
1VL44  
1VL44  
1VM50  
3.1-4.1  
2.1-4.1  
3.1-4.1  
3.7-4.7  
2.8-3.8  
2.8-3.8  
2.8-3.8  
3.4-4.4  
5/8  
7/8  
7/8  
7/8  
AL64  
AK79  
BK80  
BK105  
6.2  
7.9  
7.4  
9.9  
5.8  
7.5  
7.0  
9.5  
3/4  
1
A32  
A36  
A36  
A57  
33.3  
37.3  
37.3  
58.3  
1
1
1
1
1
3
1
14  
Unitary Products Group  
   
036-21300-002-A-0905  
TABLE 17: KEU PHYSICAL DATA  
Model  
Component  
Description  
060  
090  
120  
180  
Centrifugal Blower (Dia. X Wd. in.)  
15 X 15  
15 X 15  
15 X 15  
18 X 18  
EVAPORATOR  
BLOWER1  
Fan Motor HP (Belt Drive)  
Rows Deep  
3/4  
1-1/2  
2
3
3
3
3
3
Finned Length (in.)  
Fins per Inch  
30  
46  
46  
54  
EVAPORATOR  
COIL  
13  
13  
13  
13  
Face Area (ft.2)  
5.0  
8.6  
10.2  
12.1  
Rows Deep  
2
2
2
2
Finned Length (in.)  
Fins Per Inch  
Face Area (ft.2)  
30  
46  
46  
54  
12  
12  
12  
12  
HOT WATER COIL  
3.8  
5.4  
5.4  
9.0  
Inlet Connection  
1” NPTE  
1” NPTE  
1” NPTE  
1-3/8” O.D  
Outlet Connection  
Rows Deep  
1” NPTE  
1” NPTE  
1” NPTE  
1-3/8” O.D  
1
1
46  
8
1
1
Finned Length (in.)  
Fins Per Inch  
30  
46  
54  
8
8
8
STEAM COIL  
Face Area (ft.2)  
3.8  
5.4  
5.4  
9.0  
Inlet Connection  
1-1/2” NPTE  
1-1/2” NPTE  
1-1/2” NPTE  
1-1/2” NPTE  
Outlet Connection  
Quantity Per Unit (16” X 25” X 1”)  
Quantity Per Unit (20” X 20” X 1”)  
Total Face Area (ft.2)  
Refrigerant 22 (lbs./oz.)  
1-1/2” NPTE  
1-1/2” NPTE  
1-1/2” NPTE  
1-1/2” NPTE  
2
4
0
4
0
6
AIR FILTERS  
0
0
5.6  
0/7  
11.1  
0/7  
11.1  
0/10  
16.7  
0/0  
HOLDING CHARGE  
1. Refer to Blower Motor and Drive Data table for additional blower and drive information.  
All of these 1750 RPM motors are solid base, 56 frame with 1.15 service factor, inherent protection and permanently lubricated ball bearings.  
Unitary Products Group  
15  
 
036-21300-002-A-0905  
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FIGURE 1 - UNIT DIMENSIONS KEU060  
ACCESSORIES  
1. Overall dimensions of the unit will vary if an electric  
heater, a supply air plenum or a base is used.  
2. This dimension is required for removal of the coil. Only  
26” is required for normal service.  
ELECTRIC HEATER - Add 13” to unit height when used.  
SUPPLY AIR PLENUM - Add 24-1/4” to unit height when used.  
BASE - Add 20” to unit height when used.  
3. Although no clearance is required for service and oper-  
ation, some clearance may be required for routing the  
power and control wiring.  
4. Allow enough clearance to trap the condensate drain  
line.  
TABLE 18: UNIT CLEARANCES KEU060  
MINIMUM CLEARANCES  
060  
24”  
24”  
Side with RETURN AIR opening  
Side with SUPPLY AIR opening1  
Side with PIPING CONNECTIONS2  
36”  
12”  
Side opposite with PIPING CONNECTIONS  
Side with access for both POWER & CONTROL  
WIRING3,  
-
-
Bottom4  
16  
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036-21300-002-A-0905  
ꢃꢂꢀꢄꢌꢎ +./#+/54  
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THE (EATER !CCESSORY FOR POWER  
WIRING ACCESS OPENING  
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All dimensions are in inches. They are  
subject to change without notice. Certi-  
fied dimensions will be provided upon  
request.  
ꢏꢃꢂꢃꢄꢌ  
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FIGURE 2 - UNIT DIMENSIONS KEU090 & 120  
ACCESSORIES  
1. Overall dimensions of the unit will vary if an electric  
heater, a supply air plenum or a base is used.  
2. This dimension is required for removal of the coil. Only  
26” is required for normal service.  
ELECTRIC HEATER - Add 14-1/4” to unit height when used.  
SUPPLY AIR PLENUM - Add 27-1/2” to unit height when used.  
BASE - Add 20” to unit height when used.  
3. Although no clearance is required for service and oper-  
ation, some clearance may be required for routing the  
power and control wiring.  
TABLE 19: UNIT CLEARANCES KEU090 & 120  
MINIMUM CLEARANCES  
Side with RETURN AIR opening  
090-120  
4. Allow enough clearance to trap the condensate drain  
line.  
24”  
24”  
36”  
12”  
Side with SUPPLY AIR opening1  
Side with PIPING CONNECTIONS2  
Side opposite with PIPING CONNECTIONS  
Side with access for both POWER & CONTROL  
WIRING3,  
-
-
Bottom4  
Unitary Products Group  
17  
   
036-21300-002-A-0905  
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All dimensions are in inches. They are  
subject to change without notice. Certi-  
fied dimensions will be provided upon  
request.  
E
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.
FIGURE 3 - UNIT DIMENSIONS KEU180  
ACCESSORIES  
1. Overall dimension of the unit will vary if an electric  
heater, a supply air plenum or a base is used.  
2. This dimension is required for removal of the DX coil.  
Only 26” is required for normal servicing.  
3. If the coil has to be removed, this dimension is required  
to loosen screws that secure the coil to the unit frame.  
This dimension will also be required for blower motor  
access if the piping connections are made on the oppo-  
site side of the unit.  
ELECTRIC HEATER - Add 14-1/4” to unit height when using 10,  
16, 26, or 36 KW heater  
SUPPLY AIR PLENUM - Add 27” to unit height when used.  
BASE - Add 24” to unit height when used.  
HOT WATER OR STEAM COIL - Add 6” to unit depth when used.  
TABLE 20: UNIT CLEARANCES KEU180  
MINIMUM CLEARANCES  
180  
24”  
24”  
4. Allow enough clearance to trap the condensate drain  
lines.  
Side Air with RETURN AIR opening  
Side with SUPPLY AIR opening1  
Side with PIPING CONNECTIONS2  
Side opposite PIPING CONNECTIONS3  
Bottom4  
61”  
26”  
-
18  
Unitary Products Group  
   
036-21300-002-A-0905  
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WITH ELECTRIC HEAT - Remove this 2-1/2” knockout and one of the 7/8”  
knockouts from the rear panel of the plenum. Remove the 1-23/32” knockout  
and one of the 7/8” knockouts from the top panel of the basic unit. Install a 1/  
2” squeeze connector in both of the 7/8” openings.  
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WITH ELECTRIC HEAT - Remove this 2-1/2” knockout from the  
rear panel of the plenum. Route the power wiring conduit through  
this opening and connect it to the field-supplied fitting on the elec-  
tric heat accessory. Connect the power wiring to the fuse block in  
the heater control box.  
Route the power wiring conduit through the 2-1/2” opening and connect it  
to the field-supplied fitting on the electric heat accessory. Connect the  
power wiring to the fuse block in the heater control box.  
Route the control wires through the 7/8” openings and connect them to  
the terminals on block TB1. Secure them with the 1/2” squeeze connec-  
tors.  
Install the control wiring per basic unit Installation Manual.  
DO NOT route any field control wiring through the plenum.  
Electric Heaters are NOT CSA approved for installation  
within a supply air plenum.  
Electric Heaters are NOT CSA approved for installation  
within a supply air plenum.  
WITHOUT ELECTRIC HEAT - Remove both 7/8” knockouts from the rear  
panel of the plenum and both 7/8” knockouts from the top panel of the  
basic unit. Install a 1/2” squeeze connector in one of the plenum open-  
ings and both of the unit openings. Install a 1/2” conduit fitting in the other  
opening of the plenum.  
WITHOUT ELECTRIC HEAT - Install the power and the control wiring  
per basic unit Installation Manual. DO NOT route any wiring through  
the plenum and DO NOT remove this knockout.  
Connect the power wiring conduit to the fitting on the plenum. Route the  
power wiring through the conduit, one of the squeeze connectors on the  
unit, and the field-supplied squeeze connector on the blower motor contac-  
tor box. Connect the power wiring to the blower motor contactor.  
Plenum Dimensions (inches)  
Plenum Unit  
Model Model  
A
B
C
D
E
F
G
H
K
L
2
1SP0450 060  
36 25-1/2 34-2/8 31-3/4 15-3/4 7-5/8 7/8 2-1/8 11-1/4  
090  
1SP0451  
120  
52-1/8 28-1/4 27-1/2 49-3/8 17-7/8 8-3/4 7/8 1-1/8 15-1/4 1-3/4  
Route the control wires through the remaining plenum and unit open-  
ings and connect them to the terminals on block TB1. Secure them  
with the 1/2” squeeze connectors.  
1SP0452 180 60-3/4 31  
27 55-3/4 19-7/8 6-1/8 1- 2-1/2 19-1/2 1-3/4  
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FIGURE 5 - ACCESSORY DIMENSIONS  
Unitary Products Group  
19  
 
036-21300-002-A-0905  
TABLE 21: ELECTRIC HEATER DIMENSIONS KEU060, 090, 120 & 180  
Heater Dimensions (inches)  
Heater  
Model  
Nom.  
kW  
Unit  
Model  
A
B
C
D
E
F
G
H
K
L
M
2HT045010251  
2HT045016251  
2HT045026251  
10  
16  
26  
060  
25-1/8 22-1/2  
13  
7/8  
4
1/2 5-1/4 1-11/16 1-3/4 20-1/8 16-7/8  
2HS04501025, 46, 58  
2HS04501625, 46, 58  
2HS04502625, 46, 58  
2HS04503625, 46, 58  
10  
16  
26  
36  
090  
120  
180  
27-1/4 25-1/4 14-1/4  
1
4
1/2 5-1/2  
1-1/2  
2-1/4  
1-1/2 22-1/4 19-1/4  
2-1/2 22-1/4 19-1/4  
2HS04507225, 46, 58  
72  
180  
29-7/8 26-3/8 21-3/4 2-3/8 5-1/4 3/4 6-3/8  
1. The 2HT heaters are not CSA approved for 060 units mounted horizontally.  
RETURN AIR GRILLE  
B
A
S
E
A
C
B
B
A
5/8  
FIGURE 7 - BASE ACCESSORY  
FIGURE 6 - RETURN AIR GRILL  
Grill Dimensions (Inches)  
Grill Dimensions (Inches)  
Grill Model  
Unit Model  
Grill Model  
Unit Model  
A
B
C
A
B
1BS0450  
1BS0451  
1BS0452  
060  
36  
52  
22  
20  
20  
24  
1RG0450  
1RG0451  
1RG0452  
060  
36  
22  
090  
120  
090  
120  
25-1/8  
31-5/8  
52  
25  
31  
180  
60-3/4  
180  
60-3/4  
20  
Unitary Products Group  
     
036-21300-002-A-0905  
C
1-1/2" NPTE  
CONNS.  
B
Steam Coil Dimensions (inches)  
Coil  
Model  
Unit  
Model  
A
B
21-7/8  
25  
C
5
5
5
6
D
E
F
1
060  
090  
120  
180  
36  
52  
52  
2-1/2  
2-1/2  
2-1/2  
2-5/8 10-5/8  
2-5/8 13-5/8  
2-5/8 13-5/8  
1NF0450  
1
1NF0451  
F
1
25  
1NF0451  
E
2
60-3/4 32-1/4  
3-5/16 3-1/2 17-1/2  
1NF0452  
A
1. Installs over the return air opening of the unit-before the filters.  
2. Installs between the coil and blower section of the unit.  
D
2
FIGURE 8 - STEAM COIL  
&
Hot Water Coil Dimensions (inches)  
Coil  
Unit  
Model  
Model  
%
A
B
C
D
E
F
G
H
*
1”  
NPTE  
ꢍ³ꢁ137(  
&211¶6ꢋ  
1
060  
090  
120  
36 21-7/8  
5
1-11/16 2-3/4 6-1/4 3-3/8  
1-11/16 2-3/4 5-7/8 3-3/8  
1-11/16 2-3/4 5-7/8 3-3/8  
2-5/32 3-5/16 6-9/16 3-27/32  
1HW0450  
1”  
NPTE  
1
52  
52  
25  
25  
5
5
6
1HW0451  
1”  
NPTE  
)
(
1
1HW0451  
$
1-3/8  
NPTE  
2
180 60-3/4 32-1/4  
1HW0452  
1. Installs over the return air opening of the unit-before the filters.  
2. Installs between the coil and blower section of the unit.  
'
FIGURE 9 - HOT WATER COIL  
Unitary Products Group  
21  
   
036-21300-002-A-0905  
TABLE 22: KEU ELECTRICAL DATA  
Min.  
Max. Fuse1 /  
Power  
Supply  
Voltage  
Indoor  
Motor  
FLA  
Heater  
Model  
Number  
Nominal  
Heater  
KW  
Model  
(TONS)  
Applied  
Heater KW  
Electric  
Heat Amps  
Circuit  
Ampacity  
(AMPS)  
9.5  
HACR  
Breaker2  
(AMPS)  
15  
None  
--  
--  
--  
2HT04501025  
2HT04501625  
2HT04502625  
None  
10  
16  
26  
--  
7.5  
20.8  
33.4  
54.2  
--  
35.6  
51.2  
77.3  
8.6  
40  
208  
240  
7.6  
6.9  
12.0  
19.5  
--  
60  
3
80  
060  
(5)  
15  
2HT04501025  
2HT04501625  
2HT04502625  
None  
10  
16  
26  
--  
10.0  
16.0  
26.0  
--  
24.1  
38.5  
62.5  
--  
38.7  
56.7  
86.8  
8.3  
40  
60  
90  
15  
2HS04501025  
2HS04501625  
2HS04502625  
2HS04503625  
None  
10  
16  
26  
36  
--  
7.5  
20.8  
33.4  
54.2  
75.1  
--  
34.3  
49.9  
76.0  
102.1  
7.5  
35  
208  
240  
460  
575  
208  
240  
460  
575  
6.6  
6.0  
3.0  
2.4  
7.5  
6.8  
3.4  
2.7  
12.0  
19.5  
27.0  
--  
50  
80  
110  
15  
2HS04501025  
2HS04501625  
2HS04502625  
2HS04503625  
None  
10  
16  
26  
36  
--  
10.0  
16.0  
26.0  
36.0  
--  
24.1  
38.5  
62.5  
86.6  
--  
37.6  
55.6  
85.7  
115.8  
3.8  
40  
60  
90  
125  
15  
090  
(7.5)  
2HS04501046  
2HS04501646  
2HS04502646  
2HS04503646  
None  
10  
16  
26  
36  
--  
10.0  
16.0  
26.0  
36.0  
--  
12.0  
19.2  
31.3  
43.3  
--  
18.8  
27.8  
42.8  
57.9  
3.0  
20  
30  
45  
60  
15  
2HS04501058  
2HS04501658  
2HS04502658  
2HS04503658  
None  
10  
16  
26  
36  
--  
10.0  
16.0  
26.0  
36.0  
--  
9.6  
15.0  
22.2  
34.3  
46.3  
9.4  
20  
15.4  
25.0  
34.6  
--  
25  
35  
50  
15  
2HS04501025  
2HS04501625  
2HS04502625  
2HS04503625  
None  
10  
16  
26  
36  
--  
7.5  
20.8  
33.4  
54.2  
75.1  
--  
35.4  
51.1  
77.1  
103.2  
8.5  
40  
12.0  
19.5  
27.0  
--  
60  
80  
110  
15  
2HS04501025  
2HS04501625  
2HS04502625  
2HS04503625  
None  
10  
16  
26  
36  
--  
10.0  
16.0  
26.0  
36.0  
--  
24.1  
38.5  
62.5  
86.6  
--  
38.6  
56.6  
86.7  
116.8  
4.3  
40  
60  
90  
125  
15  
120  
(10)  
2HS04501046  
2HS04501646  
2HS04502646  
2HS04503646  
None  
10  
16  
26  
36  
--  
10.0  
16.0  
26.0  
36.0  
--  
12.0  
19.2  
31.3  
43.3  
--  
19.3  
28.3  
43.3  
58.4  
3.4  
20  
30  
45  
60  
15  
2HS04501058  
2HS04501658  
2HS04502658  
2HS04503658  
10  
16  
26  
36  
10.0  
16.0  
26.0  
36.0  
9.6  
15.4  
22.6  
34.6  
46.7  
20  
15.4  
25.0  
34.6  
25  
35  
50  
22  
Unitary Products Group  
 
036-21300-002-A-0905  
TABLE 22: KEU ELECTRICAL DATA (CONTINUED)  
Min.  
Circuit  
Ampacity  
(AMPS)  
13.3  
Max. Fuse1 /  
Power  
Supply  
Voltage  
Indoor  
Motor  
FLA  
Heater  
Model  
Number  
Nominal  
Heater  
KW  
Model  
(TONS)  
Applied  
Heater KW  
Electric  
Heat Amps  
HACR  
Breaker2  
(AMPS)  
20  
None  
--  
--  
--  
2HS04501025  
2HS04501625  
2HS04502625  
2HS04503625  
2HS04507225  
None  
10  
16  
26  
36  
72  
--  
7.5  
20.8  
33.4  
54.2  
75.1  
150.1  
--  
39.3  
40  
12.0  
19.5  
27.0  
54.1  
--  
54.9  
60  
208  
240  
460  
575  
10.6  
9.6  
81.0  
90  
107.1  
200.9  
12.0  
110  
225  
15  
2HS04501025  
2HS04501625  
2HS04502625  
2HS04503625  
2HS04507225  
None  
10  
16  
26  
36  
72  
--  
10.0  
16.0  
26.0  
36.0  
72.0  
--  
24.1  
38.5  
62.5  
86.6  
173.2  
--  
42.1  
45  
60.1  
70  
90.2  
100  
125  
250  
15  
120.3  
228.5  
6.0  
180  
(15)  
2HS04501046  
2HS04501646  
2HS04502646  
2HS04503646  
2HS04507246  
None  
10  
16  
26  
36  
72  
--  
10.0  
16.0  
26.0  
36.0  
72.0  
--  
12.0  
19.2  
31.3  
43.3  
86.6  
--  
21.0  
25  
30.1  
35  
4.8  
45.1  
50  
60.1  
70  
114.3  
4.9  
125  
15  
2HS04501058  
2HS04501658  
2HS04502658  
2HS04503658  
2HS04507258  
10  
16  
26  
36  
72  
10.0  
16.0  
26.0  
36.0  
72.0  
9.6  
16.9  
20  
15.4  
25.0  
34.6  
69.3  
24.1  
25  
3.9  
36.1  
40  
48.2  
50  
91.5  
100  
1. Dual element time delay.  
2. HACR type per NEC.  
3. The K*EU060 indoor motor is single phase. The electrical heaters MUST be supplied with 3-phase voltage only.  
Unitary Products Group  
23  
036-21300-002-A-0905  
COOLING ONLY UNITS AND UNITS WITH  
UNITS WITH ELECTRIC HEAT ACCESSORY  
STEAM OR HOT WATER COIL ACCESSORY  
3-PHASE  
LINE VOLTAGE  
POWER SUPPLY  
POWER WIRING,  
DESCONNECT  
SWITCH  
AND FUSING  
(OR CIRCUIT  
BREAKER)  
LINE VOLTAGE  
POWER SUPPLY  
POWER WIRING,  
TERMINALS ON  
SUPPLY AIR  
BLOWER MOTOR  
TERMINALS  
ON FUSE HOLDER  
IN ELECTRIC HEAR  
CONTROL BOX  
DESCONNECT SWITCH  
AND FUSING TO BE  
SUPPLIED BY FIELD  
CONTACTOR  
10M  
GROUND LUG  
IN ELECTRIC HEAT  
CONTROL BOX  
TO BE SUPPLIED  
BY FIELD  
GROUND  
SCREW  
NOTE: USE COPPER  
CONDUCTORS ONLY  
*Not required on 060 (1-Phase  
only) All other units are 3-Phase.  
WIRE IN ACCORDANCE WITH LOCAL  
AND NATIONAL ELECTRICAL CODES  
FIGURE 10 - FIELD WIRING FOR POWER SUPPLY  
COOLING ONLY UNITS  
2-STAGE COOLING FOR HCA180/KEU180**  
1-STAGE COOLING  
R
R
Y
RC  
Y1  
Y2  
G
R
Y
TO  
COND.  
UNIT  
Y
TO  
COND.  
UNIT  
G
O
G
B
G
B
24-VOLT  
CONTROL  
WIRING  
24-VOLT  
CONTROL  
WIRING  
TERMINALS ON  
THERMOSTAT 6TH13700724  
WITH SUB-BASE 2TB08700124  
TERMINALS ON  
THERMOSTAT 6TH04701724  
WITH SUB-BASE 2TB04700124  
TERMINAL  
BLOCK 4TB  
ON BLOWER UNIT  
TERMINAL BLOCK 4TB  
ON BLOWER UNIT  
FIGURE 11 - COOLING ONLY UNIT  
UNITS WITH STEAM OR HOT WATER COIL ACCESSORY  
1-STAGE COOLING  
24-VOLT CONTROL WIRING  
2-STAGE COOLING FOR HCA180/KEU180**  
24-VOLT CONTROL WIRING  
R
R
R
R
Y
O
G
B
TO  
COND.  
UNIT  
Y
G
B
Y1  
Y2  
G
Y
G
W
TO  
COND.  
UNIT  
TERMINALS ON  
THERMOSTAT  
6TH04701524  
WITH SUB-BASE  
2TB04700324  
W
TO HEATER COIL  
CONTROL CIRCUIT  
TERMINAL  
BLOCK 4TB  
ON BLOWER UNIT  
TERMINAL  
BLOCK 4TB  
ON BLOWER UNIT  
TO HEATER COIL  
CONTROL CIRCUIT  
TERMINALS ON THERMOSTAT 6TH13700724  
WITH SUB-BASE 2TB17700324  
FIGURE 12 - UNIT WITH STEAM OR HOT WATER COIL ACCESSORY  
24  
Unitary Products Group  
     
036-21300-002-A-0905  
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FIGURE 13 - FIELD WIRING FOR UNITS WITH ELECTRIC HEAT  
Unitary Products Group  
25  
 
036-21300-002-A-0905  
26  
Unitary Products Group  
036-21300-002-A-0905  
Unitary Products Group  
27  
Subject to change without notice. Printed in U.S.A.  
Copyright © by Unitary Products Group 2005. All rights reserved.  
036-21300-002-A-0905  
Supersedes: 036-21300-001-A-0901  
Unitary  
Products  
Group  
5005  
York  
Drive  
Norman  
OK  
73069  

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