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Plantronics R-410A - page 1
R-410A This system uses M00036-V00 ...
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Plantronics R-410A - page 2
Installation & service manual IMPORT ANT! Please Read Before Starting This air conditioning system meets strict safety and operating standards. As the installer or service person, it is an important part of your job to install or service the system so it operates safely and efficiently . For safe installation and trouble-free operation, you mus ...
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Plantronics R-410A - page 3
Installation & service manual CONTENTS Safety considerations 1 Accessories 2 Installation recommendations (indoor unit) 3 Installation recommendations (outdoor unit) 4 Electrical installation 5 Wiring system diagram 6_7 Electrical connections for indoor and outdoor units 8 Refrigerant line connections 9 Refrigerant R410A: special precautions wh ...
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Plantronics R-410A - page 4
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 th ...
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Plantronics R-410A - page 5
The following accessories are supplied with the air conditioner . • The quantities are indicated in parenthesi s. Installation plate (1) Remote control (1) “AAA” batteries for remote control (2) Remote control holder (1) Accessories in the Indoor Unit Case Owner’ s manual (1) Installation manual (1) Service manual (1) Warranty (1) Rubber le ...
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Plantronics R-410A - page 6
1. Before fixing the installation plate to a wall, you must determine the position of the 2 3 / 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. 2. Determine the position of the pipe an ...
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Plantronics R-410A - page 7
Attach the outdoor unit with 4 anchor bolts and nuts (not supplied) positioned as per dimensions A, B. 9SRAO-HE Caution: The outdoor unit should not be exposed to strong winds or where it is very dusty . - T ake your neighbors into consideration so that they will not be disturbed by air blowing into their window or by noise. - Provide enough space ...
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Plantronics R-410A - page 8
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 cond ...
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Plantronics R-410A - page 9
3 2 1 T erminal block of indoor unit 3 2 1 L1 N T erminal block of outdoor unit Power supply , 1 phase, 60 Hz INDOOR UNIT OUTDOOR UNIT Installation & service manual _6 WIRING SYSTEM DIAGRAMS Ground wire ACN wire ACL wire Communication wire L1 N 1 2 3 1 2 3 OUTDOOR UNIT BU BN OR ACN ACL CMU INDOOR CONTROL BOARD DISPLA Y AND RECEIVE BOARD COMPULS ...
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Plantronics R-410A - page 10
Installation & service manual _7 WIRING SYSTEM DIAGRAMS 3 2 1 T erminal block of indoor unit 3 2 1 L1 L2 T erminal block of outdoor unit Power supply , 1 phase, 60 Hz INDOOR UNIT OUTDOOR UNIT Ground wire ACN wire ACL wire Communication wire L1 L2 1 2 3 1 2 3 OUTDOOR UNIT BU BN OR ACN ACL CMU INDOOR CONTROL BOARD DISPLA Y AND RECEIVE BOARD COMPU ...
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Plantronics R-410A - page 11
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. T o 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 correspo ...
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Plantronics R-410A - page 12
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 startin ...
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Plantronics R-410A - page 13
Installation & service manual _10 REFRIGERANT R410A: SPECIAL PRECAUTIONS WHEN INST ALLING UNIT 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 ...
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Plantronics R-410A - page 14
Installation & service manual _11 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 . 17 x 14 to 18 22 x 34 to 42 26 x 49 to 61 29 x 68 to 82 36 x 100 ...
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Plantronics R-410A - page 15
Installation & service manual _12 SYSTEM EV ACUA TION 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. ...
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Plantronics R-410A - page 16
Installation & service manual _13 ADDITIONAL CHARGE AND DIST ANCE 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 mus ...
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Plantronics R-410A - page 17
Installation & service manual _14 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 B A D Liquid and suction valves C ...
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Plantronics R-410A - page 18
Installation & service manual _15 CHECKING AND TESTING OPERA TIONS Perform the operation test after completing the gas leak check of the flare nut connections and the electrical connections. 1. T o 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 t ...
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Plantronics R-410A - page 19
Installation & service manual _16 TECHNICAL SPECIFICA TIONS SPECIFICA TIONS *Note: Design and specifications are subject to change without notice for product improvement. Comply with ARI ST ANDARD 210/240. Cooling Cooling Maximum Minimum Maximum Minimum Cooling Liquid Suction Width Height Depth Shipping Net Width Height Depth Shipping Net 12SRA ...
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Plantronics R-410A - page 20
In A B C D E F G H I Models: 9SRA-HE | 12SRA-HE | 15SRA-HE | 18SRA-HE | 24SRA-HE Indoor unit Outdoor unit A F B D E H I G C Installation & service manual _17 OUTLINE AND DIMENSIONS 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 10 7/8 31 1/2 8 1/4 33 7/8 12 25 5/8 12 14 3/4 15SRA-HE 12 5/8 38 3/4 7 1/2 33 7/8 12 25 5/8 12 1 ...
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Plantronics R-410A - page 21
Installation & service manual _18 P ARTS DIAGRAM (INDOOR UNIT) INSIDE UNIT 9SRAI-HE 12SRAI-HE 15SRAI-HE 18SRAI-HE 24SRAI-HE ...
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Plantronics R-410A - page 22
REF . NO DESCRIPTION QTY 9SRAI-HE 12SRAI-HE 15SRAI-HE 18SRAI-HE 24SRAI-HE 1 Faceplate (including display glass) 1 P00843 P00843 P00844 P00844 P00845 2 Lamp board holder 1 P00846 P00846 P00864 P00864 P00865 3 Lamp Board (3 lights) + infrared lense 1 P00847 P00847 P00848 P00848 P00849 4 Lamp board back cover 1 P00850 P00850 P00866 P00866 P00867 5 Con ...
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Plantronics R-410A - page 23
Installation & service manual _20 P ARTS DIAGRAM (OUTDOOR UNIT) OUTSIDE UNIT 9SRAO-HE 12SRAO-HE 15SRAO-HE 18SRAO-HE 24SRAO-HE ...
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Plantronics R-410A - page 24
Installation & service manual _21 P ARTS LIST (OUTSIDE UNIT) REF . NO DESCRIPTION QTY 9SRAO-HE 12SRAO-HE 15SRAO-HE 18SRAO-HE 24SRAO-HE 1 Cabinet | Front L | Painted (including fan cover) 1 P00730 P00731 P00731 P00732 P00733 2 Control box cover 1 P00734 P00734 P00734 P00734 P00734 3 Propeller fan 1 P00738 P00738 P00738 P00739 P00739 4 Motor brac ...
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Plantronics R-410A - page 25
Installation & service manual NOTE ...
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Plantronics R-410A - page 26
8201 W . Calumet Road, Milwaukee, WI 53223 USA www.williamson-ther moflo.com ...
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