Plantronics Air Conditioner R 410A User Manual

This system uses  
R-410A  
M00036-V00  
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CONTENTS  
Safety considerations  
1
2
Accessories  
Installation recommendations (indoor unit)  
Installation recommendations (outdoor unit)  
Electrical installation  
3
4
5
Wiring system diagram  
6_7  
Electrical connections for indoor and outdoor units  
Refrigerant line connections  
8
9
Refrigerant R410A: special precautions when installing unit  
Tightening refrigerant piping connections  
System evacuation  
10  
11  
12  
13  
Additional charge  
Gas leak check  
14  
15  
Checking and testing operation  
Technical specifications  
Outline and dimensions  
Parts diagram (indoor unit)  
Parts list (indoor unit)  
16  
17  
18  
19  
20  
21  
Parts diagram (outdoor unit)  
Parts list (outdoor unit)  
Installation & service manual  
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SAFETY CONSIDERATIONS  
This manual is a guide for properly installing the Williamson-Thermoflo Wall-mounted split air conditioner. Improper  
installation can result in unsafe and dangerous conditions that will void the factory warranty. Prior to installation, read  
these instructions and any instructions that are packaged with separate pieces of equipment that make up the system.  
Please read these instructions thoroughly and carefully before attempting installation or operation. Failure to follow these  
instructions may result in improper installation, operation, service, or maintenance, possibly resulting in fire, electrical  
shock, property damage, personal injury, or death.  
General:  
This device must be installed in compliance with national electrical standards.  
About the indoor unit  
1. There must be no obstacles near the air inlet and outlet.  
2. Install the indoor unit on a surface that can support its weight.  
3. Choose a position that enables the piping and wiring to be easily connected to the outdoor unit.  
4. Leave enough clearance beneath the indoor unit to enable the filters to be removed without hinderance.  
5. Maintain sufficient clearance around the indoor unit.  
6. Make sure that the water from the drain hose runs away correctly and safely.  
7- Install the indoor unit on a strong wall which is not subject to vibration.  
8- Do NOT install the unit where it will be exposed to direct sunlight.  
About outdoor unit  
1. The outdoor unit must NEVER be placed on its side or upside down, as the compressor lubrication oil will run in the  
cooling circuit and seriously damage the unit.  
3. Choose a location where the noise of the air conditioner when running and the discharged air do not disturb any neighbors.  
4. Choose a position that enables the piping and wiring to be easily connected to the indoor unit.  
5. Install the outdoor unit on a flat, stable surface that can support its weight and does not generate any unnecessary  
noise and vibration.  
6. Position the outdoor unit so that the air flow is directed away from exterior walls, as indicated by the arrows on the top  
of the unit.  
7. Maintain sufficient clearance around the outdoor unit.  
8. If the outdoor unit is installed above grade with brackets, ensure that its base is firmly fixed in position.  
Installation& service manual _1  
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ACCESSORIES  
The following accessories are supplied with the air conditioner.  
• The quantities are indicated in parenthesi s.  
Accessories in the Indoor Unit Case  
Remote control  
holder (1)  
“AAA” batteries for  
remote control (2)  
Installation plate (1)  
Remote control (1)  
Owner’s manual (1)  
Installation manual (1)  
Service manual (1)  
Warranty (1)  
Interconnecting wiring and conduits  
from the outdoor unit to the indoor unit  
are not provided with the air conditioner.  
Accessories in the Outdoor Unit Case  
Wall plastic sleeve (1)  
Rubber leg (4)  
Installation & service manual _2  
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INSTALLATION RECOMMENDATIONS (INDOOR UNIT)  
3
1. Before fixing the installation plate to a wall, you must determine the position of the 2  
/4  
in (70 mm) hole through which  
the conduit, piping and drain hose pass to connect the indoor unit to the outdoor unit. The piping and conduit can be con-  
nected from the: Rear, Right or Left side of indoor unit.  
INCORRECT  
CORRECT  
2. Determine the position of the pipe and drain hose hole using one of the figures shown, and drill the hole with an inner  
3
diameter of 70 mm (2  
/4  
inch) so that it slants slightly downwards.  
3. The correct mounting of the indoor unit is as shown below.  
2 3/8 in minimum  
Left side 2 in  
minimum  
Right side 2 in  
minimum  
POSITION THE MOUNTING PLATE LEVEL  
59 in minimum  
59 to 79 in  
minimum  
CORRECT  
INCORRECT  
INCORRECT  
Caution:  
Take servicing into consideration and leave the spacing shown in the figure above. Also install the unit where  
it can be removed.  
Installation & service manual _3  
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INSTALLATION RECOMMENDATIONS (OUTDOOR UNIT)  
Attach the outdoor unit with 4 anchor bolts and nuts (not supplied) positioned as per dimensions A, B.  
24SRAO-HE  
9SRAO-HE  
21 3/8  
13  
12SRAO-HE | 15SRAO-HE 18SRAO-HE  
A (in)  
B (in)  
25  
24 3/8  
15  
23  
15  
13 3/8  
A
24 in minimum  
Air inlet  
9 in minimum  
12 in minimum  
Air outlet  
24 in minimum  
16 in minimum  
Caution:  
The outdoor unit should not be exposed to strong winds or where it is very dusty.  
- Take your neighbors into consideration so that they will not be disturbed by air blowing into their window  
or by noise.  
- Provide enough space between the wall and the unit, so that the airflow is not blocked. Also, for efficient  
operation, leave enough clearance on both sides and front.  
Installation & service manual _4  
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ELECTRICAL INSTALLATION  
1. The air conditioner shall be installed by a qualified technician in accordance with national and local electrical codes.  
2. A disconnect switch shall be installed near the outdoor unit for easy disconnect of power to the air conditioner.  
3. An electrical circuit dedicated to the air conditioner shall be used for the power supply to the air conditioner.  
4. Interconnecting wiring and conduits from the outdoor unit to the indoor unit are not provided with the air conditioner.  
5. The supply voltage, size of over current protective device, and size of supply conductors for the air conditioner are as  
shown below.  
BTU  
6. Unit must be installed in accordance with all applicable federal, state and local codes.  
7. Check local electrical codes and regulations before obtaining wire.  
8. Use copper supply wires only.  
9. Each wiring connection must be done tightly and in accordance with the wiring system diagram. Improper wiring may  
cause the unit to malfunction or become damaged.  
Installation & service manual _5  
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WIRING SYSTEM DIAGRAMS  
9SRA-HE | 12SRA-HE | 15SRA-HE (115V - 60Hz)  
INDOOR UNIT  
L1  
DISPLAY AND  
RECEIVE BOARD  
9
N
Terminal block of indoor unit  
FUSE  
3.15 A  
COMPULSIVE SWITCHING  
PIPE SENSOR  
2
2
ACN  
ACL  
BU  
BN  
OR  
3
2
1
3
2
1
TEMP SENSOR  
IN FAN  
2
5
3
2
1
CMU  
5
STEP  
MOTOR  
INDOOR CONTROL BOARD  
INDOOR UNIT WIRING DIAGRAM  
L1 N  
3
2
1
Terminal block  
of outdoor unit  
OUTDOOR UNIT  
Power supply,  
1 phase, 60 Hz  
CAPACITOR  
BN  
RD  
L1  
N
R
PROTECTOR  
WH  
C
S
COMPRESSOR  
HIGH  
PRESSURE  
SWITCH  
BU  
BU  
NO  
COM  
LOW  
PRESSURE  
SWITCH  
ACN  
3
2
1
3
2
1
BN  
5
OUT  
FAN  
FUSE  
3.15 A  
OUTDOOR TEMP SENSOR  
CMU  
2
2
OR  
OUTDOOR PIPE SENSOR  
OUTDOOR CONTROL BOARD  
OUTDOOR UNIT WIRING DIAGRAM  
Installation & service manual _6  
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WIRING SYSTEM DIAGRAMS  
18SRA-HE | 24SRA-HE (208-230V - 60Hz)  
INDOOR UNIT  
L1  
DISPLAY AND  
RECEIVE BOARD  
9
L2  
Terminal block of indoor unit  
FUSE  
3.15 A  
COMPULSIVE SWITCHING  
PIPE SENSOR  
2
2
ACN  
ACL  
BU  
BN  
OR  
3
2
1
3
2
1
TEMP SENSOR  
IN FAN  
2
5
3
2
1
CMU  
5
STEP  
MOTOR  
INDOOR CONTROL BOARD  
INDOOR UNIT WIRING DIAGRAM  
L1 L2  
3
2
1
Terminal block  
of outdoor unit  
OUTDOOR UNIT  
Power supply,  
1 phase, 60 Hz  
CAPACITOR  
BN  
RD  
L1  
L2  
R
PROTECTOR  
WH  
C
S
COMPRESSOR  
HIGH  
PRESSURE  
SWITCH  
BU  
BU  
NO  
COM  
LOW  
PRESSURE  
SWITCH  
ACN  
3
2
1
3
2
1
BN  
5
OUT  
FAN  
FUSE  
3.15 A  
OUTDOOR TEMP SENSOR  
CMU  
2
OR  
OUTDOOR CONTROL BOARD  
OUTDOOR UNIT WIRING DIAGRAM  
Installation & service manual _7  
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ELECTRICAL CONNECTIONS FOR INDOOR AND OUTDOOR UNITS  
INDOOR UNIT  
1. The indoor unit is powered from the outdoor unit. A sufficient length of conduit and wiring shall be used from the  
outdoor unit to the indoor unit.  
2. To access the terminal block inside the indoor unit, remove the screw on the cover plate. (See Fig. A.)  
3. Connect the inter unit conductors to terminals marked 1,2,3, on the indoor unit corresponding to the same numbered  
terminals from the outdoor unit. (See Fig.B.)  
Figure A  
Figure B  
Terminal block of indoor unit  
Terminal block  
Cover plate  
OUTDOOR UNIT  
1. Two conduit connection openings are provided on the outdoor unit: one for incoming power supply and the second one for  
the inter unit wiring.  
2. Remove the terminal box cover to access the terminal block.  
3. Connect the power supply conductors to terminal marked L1, N or L1, L2, and the grounding wire to terminal  
marked  
.
4. Connect the inter unit conductors to terminals marked , 3, 2, 1.  
18SRA-HE | 24SRA-HE (208-230V - 60Hz)  
9SRA-HE | 12SRA-HE | 15SRA-HE (115V - 60Hz)  
Conduit  
connectors  
Conduit  
connectors  
Conduit  
Conduit  
Incoming power supply  
Incoming power supply  
To indoor unit  
To indoor unit  
Installation & service manual _8  
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REFRIGERATION LINE CONNECTIONS  
When connecting the refrigerant tubing  
- Keep all tubing runs as short as possible.  
- Use the flare method for connecting tubing.  
- Apply refrigerant lubricant to the matching surfaces of the flare and union tubes before connecting them, then tighten  
the nut with a torque wrench for a leak-free connection.  
- Check carefully for leaks before starting the test run.  
Compressor  
3-Way valve  
2-Way valve  
Capillary tube  
Models  
9SRA-HE  
12SRA-HE 15SRA-HE 18SRA-HE 24SRA-HE  
Refrigeration Tubing  
Connection method  
Refrigerant tube outer diameter  
Flare  
1/4  
1/2  
49  
Flare  
1/4  
1/2  
49  
Flare  
1/4  
1/2  
49  
Flare  
1/4  
5/8  
49  
Flare  
3/8  
5/8  
49  
in. Liquid  
in. Suction  
Limit of tubing length  
ft.  
ft.  
Limit of elevation difference between the two units  
20  
20  
20  
20  
20  
Installation & service manual _9  
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REFRIGERANT R410A: SPECIAL PRECAUTIONS WHEN INSTALLING UNIT  
Caution:  
The compressor POE oil for R-410A units is extremely susceptible to moisture absorption and could cause  
compressor failure. Do not leave system open to atmosphere any longer than necessary for installation.  
General Information  
Systems using R-410A refrigerant run at a pressure of approximately 1.6 times that of similar systems using R-22 and the  
energy efficiency is comparable. The R-410A refrigerant is a 50:50 mixture of R-32 and R-125.  
When installing equipment using R-410A refrigerant, there are a number of standards that must be met:  
• Ester oil is used for R-410A.  
• It’s important to work with absolute cleanliness.  
• Brazing must be done with the use of Nitrogen.  
• The system must always be charged in the liquid state.  
When refrigerant R-410A is used, the composition will differ depending on whether or not it is a gaseous state.  
Consequently, always charge the refrigerant while it is in a liquid state.  
General Precautions – Refrigerant leaking  
The composition of refrigerant R-410A changes when it is gaseous state. Thus, when there is a refrigerant leak the basic  
performance of the air conditioner may be degraded because of a change in composition of the remaining refrigerant.  
Therefore, do not add new refrigerant. Instead, recover the remaining refrigerant with the refrigerant recovery unit. Then,  
after evacuation, totally recharge the unit with the specified amount of new refrigerant at it’s normal mixed composition state.  
Tubing Precautions  
The refrigerant R-410A is less is more easily affected by dust or moisture than R-22 refrigerant. Make sure to temporally  
cover the ends of the tubing with caps or tape prior installation.  
Never use tubing which is less than 0.03 inch in thickness (Standard Specification ASTM B-280), since air conditioners with  
R-410A refrigerant are subject to higher pressures than those using R-22 refrigerant.  
Installation & service manual _10  
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TIGHTENING REFRIGERANT PIPING CONNECTIONS  
Caution:  
Remove the protection caps on the pipes and connect the assembly piping to each connector. First,  
tighten the nuts manually and then with a wrench by applying the tightening torque shown below.  
Flare nut size and tightening torque  
Class 2 (for R410A)  
Applicable size  
Diamètre (mm) x Tightening torque (Nm)  
1/4 “  
3/8 “  
1/2 “  
5/8 “  
3/4 “  
17 x 14 to 18  
22 x 34 to 42  
26 x 49 to 61  
29 x 68 to 82  
36 x 100 to 120  
Installation & service manual _11  
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SYSTEM EVACUATION  
Condensing unit liquid and suction valves are closed to contain the charge within the unit. The unit is shipped with the valve  
stems closed and caps installed. Do not open the valves until the system is evacuated.  
1. Connect the vacuum pump with 250-micron capability to the services valves.  
2. Evacuate the system to 250 microns or less using suction and liquid service valves. Using both valves is necessary for some  
compressors create a mechanical seal separating the sides of the system.  
3. Close pump valve and hold vacuum for 10 minutes. Typically pressure will rise during this period  
• If the pressure rises to 1000 microns or less and remains steady the system is considered leak-free; proceed to startup.  
• If the pressure rises above 1000 microns but holds steady below 2000 microns, moisture and/or noncondensibles may  
be present or the system may have a small leak. Return to step 2: If the same result is encountered, check for leaks as  
previously indicated and repair as necessary then repeat evacuation.  
• If pressure rises above 2000 microns, a leak is present. Check for a leaks as previously indicated and repair as  
necessary then repeat evacuation.  
Manifold valve  
High pressure side valve  
Low pressure side valve  
Charging hose  
Charging hose  
Vacuum pump  
A
B
Caution:  
Refrigerant must not be discharged into the atmosphere.  
After connecting the piping, check the joints for leakage with a gas leak detector.  
Installation & service manual _12  
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ADDITIONAL CHARGE AND DISTANCE  
Refrigerant suitable for a piping length of 20 ft (6 m) is charged in the outdoor unit at the factory. When the pipe is longer  
than 20 ft (6 m), additional charging is necessary. This operation can only be performed by a qualified refrigeration  
specialist. Additional amount must be added for each extra 3.3 ft (1 m), see the table below:  
12SRA-HE | 15SRA-HE |  
Models  
9SRA-HE  
24SRA-HE  
18SRA-HE  
Additional refrigerant  
20 g (0.7 oz)  
40 g (1.41 oz)  
30 g (1.06 oz)  
Models  
9SRA-HE | 12SRA-HE | 15SRA-HE | 18SRA-HE | 24SRA-HE  
Limit of tubing length  
ft (m)  
49 (15)  
Limit of elevation  
between the two unit  
20 (6)  
Installation & service manual _13  
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GAS LEAK CHECK  
Check that no gas escapes from the connections by using a leak detector or soapy water.  
A and B are the liquid and suction valves of the outdoor unit.  
C and D are the extremities of the indoor unit flared connections.  
Indoor unit check points  
C
D
A
B
Liquid and suction valves  
Installation & service manual _14  
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CHECKING AND TESTING OPERATIONS  
Perform the operation test after completing the gas leak check of the flare nut connections and the electrical connections.  
1. To begin the test, turn on the power.  
2. Press the auxiliary control button in the indoor unit or use the remote control to start the unit.  
3. Check that all air conditioner functions are operating normally. A protection feature prevents the air conditioner from  
being started immediately after the unit has been turned off. There is a delay of 3 minutes for the air conditioner to restart  
and operate.  
4. Press the auxiliary control button to end the operation test.  
9 000-12 000 BTU  
15 000-18 000-24 000 BTU  
Auxiliary control button  
Auxiliary control button  
Installation & service manual _15  
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TECHNICAL SPECIFICATIONS  
SPECIFICATIONS  
18SRA-HE  
24SRA-HE  
15SRA-HE  
9SRA-HE  
12SRA-HE  
MODELS  
Performance ratings  
Nominal capacity  
18 000  
13.5  
24 000  
13  
15 000  
14  
R-410A  
3.5  
559  
47-44-40  
55  
95 (35)  
64 (18)  
109 (43)  
32 (0)  
9 000  
15  
R-410A  
1.9  
382  
44-40-33  
50  
95 (35)  
64 (18)  
109 (43)  
32 (0)  
12 000  
13.5  
R-410A  
3.1  
441  
45-42-34  
52  
95 (35)  
64 (18)  
109 (43)  
32 (0)  
BTU/h  
Cooling  
Cooling  
S.E.E.R  
Refrigerant type  
BTU/hW  
R-410A  
4.1  
R-410A  
5.2  
Dehumidifying capacity  
Airflow circulation (High)  
Indoor sound rating (High-Medium-Low)  
Outdoor sound rating  
Pt./H  
CFM  
dB(A)  
dB(A)  
°F (°C)  
647  
765  
48-44-40  
56  
52-49-45  
59  
Temperature  
Indoor air intake  
95 (35)  
64 (18)  
109 (43)  
32 (0)  
95 (35)  
64 (18)  
109 (43)  
32 (0)  
Maximum  
Minimum  
Maximum  
Minimum  
Outdoor air intake  
°F (°C)  
Electrical data  
Voltage rating  
V
115  
60 / 1  
7.7  
15  
15  
115  
60 / 1  
10.7  
15  
208~230  
60 / 1  
6.8 / 6.4  
15  
115  
60 / 1  
10.6  
15  
208~230  
60 / 1  
9.6 / 8.7  
20  
Frequency / Phase  
Running amperes  
Hz / ø  
A
A
A
Cooling  
Minimum circuit ampacity  
Maximum overcurrent protection  
(Time delay fuse or HACR type circuit breaker)  
Refrigeration tubing  
25  
15  
20  
25  
Connection method  
Refrigerant tube outer diameter  
Flare  
1/4  
5/8  
49  
Flare  
3/8  
5/8  
49  
Flare  
1/4  
1/2  
49  
Flare  
1/4  
1/2  
49  
Flare  
1/4  
1/2  
49  
Liquid  
Suction  
in.  
Limit of tubing length  
ft.  
ft.  
Limit of elevation difference between the two units  
Dimensions & weight  
20  
20  
20  
20  
20  
Width  
Height  
Depth  
Shipping  
Net  
Width  
Height  
Depth  
Shipping  
Net  
31 1/2  
10 7/8  
8 1/4  
22  
Indoor unit  
Dimensions  
31 1/2  
10 7/8  
8 1/4  
22  
in.  
42 1/2  
13  
9 1/4  
39  
35  
38 3/4  
12 5/8  
7 1/2  
33  
38 3/4  
12 5/8  
7 1/2  
33  
lbs  
in.  
Weight  
19  
19  
29  
29  
33 7/8  
25 5/8  
12  
31 3/4  
23 1/2  
11 1/4  
92  
38 1/4  
37 1/2  
14 1/4  
150  
Outdoor unit  
Dimensions  
33 7/8  
25 5/8  
12  
37 1/2  
33 3/4  
13 3/4  
139  
101  
95  
lbs  
101  
95  
Weight  
88  
130  
141  
*Note: Design and specifications are subject to change without notice for product improvement.  
Comply with ARI STANDARD 210/240.  
Installation & service manual _16  
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OUTLINE AND DIMENSIONS  
Models: 9SRA-HE | 12SRA-HE | 15SRA-HE | 18SRA-HE | 24SRA-HE  
C
Indoor unit  
B
Outdoor unit  
D
H
E
I
9SRA-HE  
10 7/8  
31 1/2  
8 1/4  
31 3/4  
11  
23  
1/2  
11 1/4  
14 1/8  
12SRA-HE 15SRA-HE 18SRA-HE 24SRA-HE  
In  
A
B
C
D
E
10 7/8  
31 1/2  
8 1/4  
33 7/8  
12  
12 5/8  
38 3/4  
7 1/2  
33 7/8  
12  
12 5/8  
38 3/4  
7 1/2  
37 1/2  
14  
13  
43 1/2  
9 1/4  
38 1/4  
14 1/2  
36  
1 1/2  
14 1/4  
16 1/4  
25  
5/8  
25  
5/8  
32 1/4  
1 1/2  
F
G
H
I
12  
14 3/4  
12  
14 3/4  
13 3/4  
16 1/4  
Installation & service manual _17  
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PARTS DIAGRAM (INDOOR UNIT)  
INSIDE UNIT  
9SRAI-HE  
12SRAI-HE  
15SRAI-HE  
18SRAI-HE  
24SRAI-HE  
Installation & service manual _18  
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PARTS LIST (INSIDE UNIT)  
Inside unit - spare parts  
REF.  
DESCRIPTION  
NO  
QTY  
9SRAI-HE  
12SRAI-HE  
15SRAI-HE  
18SRAI-HE  
24SRAI-HE  
Faceplate (including display glass)  
Lamp board holder  
Lamp Board (3 lights) + infrared lense  
Lamp board back cover  
Control Box Cover  
Terminal block Cover  
Plastic Cover  
1
1
P00844  
P00864  
P00848  
P00866  
P00852  
P00856  
N/A  
P00844  
P00864  
P00848  
P00866  
P00852  
P00856  
N/A  
P00845  
P00865  
P00849  
P00867  
P00853  
P00857  
N/A  
1
2
P00843  
P00846  
P00847  
P00850  
P00851  
P00854  
P00855  
P00858  
P00861  
L00140  
L00027  
P00874  
P00875  
P00876  
L00138  
P00878  
P00881  
P00882  
P00883  
P00884  
K00086  
P00889  
P00892  
P00895  
K00090  
P00901  
P00904  
P00907  
P00910  
P00913  
P00916  
P00919  
P00877  
P00925  
P00928  
P00931  
P00898  
P00843  
P00846  
P00847  
P00850  
P00851  
P00854  
P00855  
P00858  
P00861  
L00141  
L00027  
P00874  
P00875  
P00876  
L00138  
P00878  
P00868  
P00882  
P00883  
P00884  
K00086  
P00889  
P00892  
P00895  
K00090  
P00901  
P00904  
P00907  
P00910  
P00913  
P00916  
P00919  
P00877  
P00925  
P00928  
P00931  
P00898  
1
3
1
4
5
1
1
6
1
7
P00859  
P00862  
L00142  
L00027  
P00874  
P00875  
P00876  
L00138  
P00879  
P00869  
P00882  
P00883  
P00885  
K00087  
P00890  
P00893  
P00896  
K00091  
P00902  
P00905  
P00908  
P00911  
P00914  
P00917  
P00920  
P00886  
P00926  
P00929  
P00932  
P00899  
P00859  
P00862  
L00143  
L00027  
P00874  
P00875  
P00876  
L00138  
P00879  
P00870  
P00882  
P00883  
P00885  
K00088  
P00872  
P00873  
P00896  
K00091  
P00902  
P00905  
P00908  
P00911  
P00914  
P00917  
P00920  
P00886  
P00926  
P00929  
P00932  
P00899  
P00860  
P00863  
L00144  
L00027  
P00874  
P00875  
P00876  
L00138  
P00880  
P00871  
P00882  
P00883  
P00885  
K00089  
P00891  
P00894  
P00897  
K00092  
P00903  
P00906  
P00909  
P00912  
P00915  
P00918  
P00921  
P00924  
P00927  
P00930  
P00933  
P00900  
8
Filters  
2
9
Middle Base  
1
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
Rating plate (WILLIAMSON)  
Wiring circuit diagram  
Wireless remote control  
Wireless remote control holder  
Terminal Block  
1
1
1
1
1
Nameplate (WILLIAMSON)  
Control Box  
1
1
Controller PCB  
1
Sensors  
1
Sensor Bracket  
1
Rubber plug (back drain)  
Fan Motor Assembly  
Fan motor cushion  
Fan motor  
1
kit  
1
21-1  
21-2  
1
Evaporator Assembly  
Cross Flow Fan Assembly  
Cross Flow Fan  
22  
23  
23-1  
1
kit  
1
Cushion - Cross flow fan  
Left Cover (Cross flow fan)  
Drain Hose  
23-2  
24  
1
1
1
25  
26  
27  
28  
29  
30  
31  
32  
33  
Blade (vertical movement)  
Fan guard metal grid  
Discharge frame assembly  
Step Motor  
1 or 2  
1
1
1
Louvers (horizontal movement)  
Base Assembly  
2
1
Wall Hook Bracket  
Screw cap  
1
3
Installation & service manual _19  
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PARTS DIAGRAM (OUTDOOR UNIT)  
OUTSIDE UNIT  
9SRAO-HE  
12SRAO-HE  
15SRAO-HE  
18SRAO-HE  
24SRAO-HE  
Installation & service manual _20  
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PARTS LIST (OUTSIDE UNIT)  
Outside unit - spare parts  
REF.  
DESCRIPTION  
NO  
QTY  
9SRAO-HE  
12SRAO-HE  
15SRAO-HE  
18SRAO-HE  
24SRAO-HE  
1
2
3
4
5
6
7
8
9
Cabinet | Front L | Painted (including fan cover)  
Control box cover  
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Kit  
1
3
3
1
1
1
1
2
1
1
1
1
1
1
1
1
1
1
4
1
1
P00730  
P00734  
P00738  
P00740  
P00744  
L00139  
P00747  
P00749  
P00752  
P00756  
P00757  
P00760  
P00763  
P00766  
P00731  
P00734  
P00738  
P00741  
P00744  
L00139  
P00747  
P00735  
P00752  
P00756  
P00757  
P00761  
P00764  
P00767  
P00731  
P00734  
P00738  
P00741  
P00744  
L00139  
P00747  
P00735  
P00752  
P00756  
P00757  
P00761  
P00764  
P00767  
P00732  
P00734  
P00739  
P00742  
P00745  
L00139  
P00748  
P00750  
P00754  
P00758  
P00759  
P00737  
P00746  
P00768  
P00753  
P00773  
P00777  
K00084  
P00785  
P00787  
P00793  
P00797  
P00801  
P00805  
P00807  
P00811  
P00814  
P00818  
P00823  
L00029  
L00148  
P00830  
P00835  
P00839  
P00841  
P00842  
P00772  
P00945  
P00946  
P00733  
P00734  
P00739  
P00743  
P00745  
L00139  
P00748  
P00751  
P00755  
P00736  
P00759  
P00762  
P00765  
P00769  
include with ref. #1  
P00774  
P00777  
K00085  
P00786  
P00787  
P00794  
P00797  
P00801  
P00805  
P00807  
P00811  
P00815  
P00819  
P00824  
L00029  
L00149  
P00833  
P00836  
P00840  
P00841  
P00842  
P00772  
P00945  
P00946  
Propeller fan  
Motor bracket  
Fan motor  
Nameplate (WILLIAMSON)  
PCB outdoor  
Control box  
Capacitor | Compressor  
10 Capacitor clamp  
11 Terminal block  
12 Divider wall  
13 Cabinet | top | Painted  
14 Condenser assembly  
15 Cabinet | Front R | Painted  
16 Base Assembly / Painted  
17 Capillary assembly  
18 Compressor assembly  
18-1 Compressor  
include with ref. #1 include with ref. #1 include with ref. #1  
P00770  
P00775  
K00082  
P00783  
P00787  
P00791  
P00795  
P00799  
P00803  
P00807  
P00811  
P00812  
P00816  
P00820  
L00028  
L00145  
P00831  
P00829  
P00837  
P00841  
P00842  
P00772  
P00945  
P00946  
P00771  
P00776  
K00083  
P00784  
P00787  
P00791  
P00795  
P00799  
P00803  
P00807  
P00811  
P00813  
P00817  
P00821  
L00028  
L00146  
P00832  
P00834  
P00838  
P00841  
P00842  
P00772  
P00945  
P00946  
P00771  
P00776  
K00083  
P00784  
P00787  
P00791  
P00795  
P00799  
P00803  
P00807  
P00811  
P00813  
P00817  
P00821  
L00028  
L00147  
P00832  
P00834  
P00838  
P00841  
P00842  
P00772  
P00945  
P00946  
18-2 Special nut | M8  
18-3 Rubber seat  
18-4 Terminal gasket  
18-5 Terminal cover  
19 Noise insulation  
20 Sensor bracket  
21 Rubber caps  
22 Steel Grid  
23 Cabinet | Back R | Painted  
24 Side plastic cover  
25 Electric Diagram  
26 Rating Plate (WILLIAMSON)  
27 Two-Way valve (Liquid)  
28 Three-Way valve (Succion)  
29 Valve panel  
30 Outdoor heat exchanger thermistor  
31 Discharge temperature thermistor  
32 Rubber legs  
33 Low pressure switch  
34 High pressure swicth  
Installation & service manual _21  
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NOTE  
Installation & service manual  
Download from Www.Somanuals.com. All Manuals Search And Download.  
8201 W. Calumet Road, Milwaukee, WI 53223 USA  
Download from Www.Somanuals.com. All Manuals Search And Download.  

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