Chromalox UB 4502A User Manual

4
UB  
(Supersedes PF424-3)  
PF424-4  
161-027049-001  
JULY, 2002  
Type UB-3502A, UB-4002A, UB-4502A, UB-5002A  
Forced-Air Heater  
Figure 1  
Figure 2  
(Wall Mounted)  
(Ceiling Mounted)  
Specifications – Table A  
Model  
Horizontal  
Wt.  
(Lbs.)  
Volts and Phase  
kW  
Air  
Discharge  
240V, 550V, 575V, 600V (3ø)  
480V (1ø or 3ø)  
UB-3502A  
UB-4002A  
UB-4502A  
UB-5002A  
35  
40  
45  
50  
54’  
54’  
54’  
54’  
210  
210  
210  
210  
480V (1ø or 3ø)  
550V, 575V, 600V (3ø)  
480V (1ø or 3ø)  
550V, 575V, 600V (3ø)  
480V, 550V, 575V, 600V (3ø)  
IMPORTANT  
WARNING: Hazard of Electric Shock. Disconnect  
WARNING: Users should install adequate back-up  
controls and safety devices with their electric  
heating equipment. Where the consequences of  
failure may be severe, back-up controls are essen-  
tial. Although the safety of installation is the  
responsibility of the user, Chromalox will be glad to  
make equipment recommendations.  
all power before installing heater.  
WARNING: This heater is not intended for use in  
hazardous atmospheres where flammable vapors,  
gases, liquids or other combustible atmospheres  
are present as defined in the National Electrical  
Code. Failure to comply can result in explosion or  
fire. For these applications see PDS CXH-EP  
(PF305).  
© 2010 Chromalox, Inc.  
WIRING DIAGRAMS  
Figure 3  
Figure 4  
3
WIRING DIAGRAMS  
Figure 5  
Figure 6  
4
WIRING DIAGRAMS  
Figure 7  
Figure 8  
5
WIRING DIAGRAMS  
Figure 9  
Figure 10  
6
WIRING DIAGRAMS  
Figure 11  
Figure 12  
7
WIRING DIAGRAMS  
Figure 13  
Figure 14  
8
OPERATION  
2. Do not operate heater in corrosive atmosphere conditions to  
1. DANGER: Hazard of Fire.  
avoid destructive damage to heater.  
A. Do not restrict air flow through heater by placing fabric or  
other obstructions in front of or behind the heater. Increased  
discharge temperatures can discolor or ignite some heat  
sensitive combustible materials.  
3. Avoid operating heater in dusty environment which can foul  
heater fins to dissipate heat or impair motor ventilation leading  
to excessive operating temperatures.  
4. Do not operate heater in ambient temperatures exceeding 90OF.  
B. Do not operate heater in areas where combustible lint, dust  
or flammable vapors, gases or liquids are present.  
MAINTENANCE  
2. Vacuum heater before activating heater for next heating season  
to remove accumulated dust or lint which otherwise may  
smoke or incinerate on initial heat up.  
WARNING: Turn off all power to service heater. Do  
not attempt to service heater while unit is operat-  
ing as there is hazard of electric shock, injury from  
operating fan, and burns from hot heating ele-  
ments.  
3. Periodically inspect all electrical connections and terminals to  
avoid electrical wiring difficulties. Inspect all wiring for frayed  
or worn insulation.  
1. Fan motors in these heaters are provided with sealed ball bear-  
ings, factory lubricated, requiring no further lubrication under  
normal service conditions.  
9
RENEWAL PARTS IDENTIFICATION  
1
HEATING ELEMENTS  
1
1
Model  
Voltage Phase  
Heating Element  
Model  
Voltage Phase  
Heating Element  
240  
480  
550  
575  
600  
480  
550  
575  
600  
3
118-117481-001 (6)  
118-117481-002 (6)  
118-117481-003 (6)  
118-117481-004 (6)  
118-117481-005 (6)  
118-117481-006 (6)  
118-117481-007 (6)  
118-117481-008 (6)  
118-117481-009 (6)  
480  
550  
575  
600  
480  
550  
575  
600  
1 or 3  
118-117481-010 (6)  
118-117481-011 (6)  
118-117481-012 (6)  
118-117481-013 (6)  
118-117481-014 (6)  
118-117481-015 (6)  
118-117481-016 (6)  
118-117481-017(6)  
1 or 3  
3
3
3
3
3
3
3
UB-4502A  
UB-3502A  
3
3
3
1 or 3  
UB-5002A  
3
3
3
UB-4002A  
10  
RENEWAL PARTS IDENTIFICATION  
2
3
MOTORS AND CAPACITORS  
3
2
Motors  
Capacitors  
Specifications  
Specifications  
Type Vac Cap.  
Oil 370 5 MFD  
Oil 370 6 MFD  
Manufacturer’s  
Cat. No.  
Manufacturer’s  
Cat. No.  
Part No.  
Part No.  
Volts Amps Phase Cycles RPM HP  
193-025776-001 HF2K007N  
193-025776-002 HF2K006N  
115 5.4  
1
1
3
60 1625 1/3 040-025779-001  
60 1625 1/3 040-025779-002  
1270  
1271  
230 2.54  
193-302120-011 P55YYBYV-887 460 0.9  
60 1725 1/3  
TRANSFORMERS  
4
5
Voltages  
Size  
Part Number  
V.A. Rating  
Primary  
Secondary  
110, 115, 120  
110, 115, 120  
120  
315-052169-011  
315-052169-012  
315-304252-001  
315-304252-003  
220, 230, 240, 440, 460, 480  
550, 575, 600  
240 & 480  
4
5
Large  
970  
Small  
40  
575  
120  
FUSES  
6
Fuses — 600 Volt  
Fuseholders  
Manufacturer’s  
Cat. No.  
Part Number  
Amps  
Use  
Part Number  
Description  
128-026510-003  
128-026510-001  
128-026510-004  
128-026510-006  
128-026510-007  
128-027590-001  
128-027590-008  
128-027590-010  
30  
35  
40  
50  
60  
1
JKS 30  
JKS 35  
JKS 40  
JKS 50  
JKS 60  
KTK-R-1  
KTK-R-8  
KTK-R-15  
Power  
129-025643-002  
600 Volt, 30 Amp, 3 Pole  
Power  
129-025643-001  
600 Volt, 60 Amp, 3 Pole  
129-048473-001  
129-048475-001  
2, 3, 4, 5 poles contact section  
Control/  
Motor  
8
End barrier section for use  
with 129-048473-001  
15  
PARTS COMMON TO ALL HEATERS  
7
8
Fan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112-027568-001  
Fan Delay . . . . . . . . . . . . . . . . . . . . . . . . . . 300-048038-001  
Cutout . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300-049602-008  
Manual Reset Cutout (Optional) . . . . . . . . . 300-117647-006  
Grille . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134-119147-004  
Louver Assembly . . . . . . . . . . . . . . . . . . . . 182-047073-009  
9
10  
11  
12  
13  
Mounting Bracket - (Right Hand) . . . . . . . . 027-025836-001  
(Left Hand) . . . . . . . . . 027-025836-002  
14  
15  
16  
Thermostat (Optional) . . . . . . . . . . . . . . . . 300-026604-001  
Contactor . . . . . . . . . . . . . . . . . . . . . . . . . . 072-304551-008  
Auxiliary Contact . . . . . . . . . . . . . . . . . . . . 072-304551-101  
11  
Limited Warranty:  
Please refer to the Chromalox limited warranty applicable to this product at  
2150 N. RULON WHITE BLVD., OGDEN, UT 84404  
Phone: 1-800-368-2493  

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