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Thermo Products R-410A manual

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Table of contents for the manual

  • Page 1

    835961-UIM-D-0213 R-410A OUTDOOR SPLIT -SYSTEM HEA T PUMP MODELS: 13 SEER & 14.5 SEER - THG(D,F)/GHG D/ THJ(D,F)/YHJ(D, F)/YHJR/THJ R SERI ES 1.5 TO 5 TONS – 1 & 3 PHASE INSTALLATION MANUAL ® LIST OF SECTIONS GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 SAFETY . . . . . . . . . . .[...]

  • Page 2

    835961-UIM-D-0213 2 Johnson Controls Unitary Products Requirements For Inst alling/Servicing R-410A Equipment • Gauge sets, hoses, refrigerant containers, and recovery system must be designed to handle the POE type oils, and the higher pressures of R-410A. • Manifold sets should be 800 psig high side and 250 psig low side with 550 psig low side[...]

  • Page 3

    835961-UIM-D-0213 Johnson Controls Unitary Produ cts 3 GROUND IN ST ALLA TION The unit may be installed at ground level on a solid b ase that will not shift or settle, causing strain on t he refrigerant lines and possible leaks. Maintain the clearances shown in Figure 1 and install the unit in a level position. Normal operating sound levels may be [...]

  • Page 4

    835961-UIM-D-0213 4 Johnson Controls Unitary Products PRECA UTIONS DURING BRAZING OF LINES All outdoor unit and evaporator co il connections are copper-to-coppe r and should be brazed with a phosphor ous-copper alloy material such as Silfos-5 or equivalent. DO NOT use soft solder . T he outdoor unit s have reusable service valves on bot h the liqui[...]

  • Page 5

    835961-UIM-D-0213 Johnson Controls Unitary Produ cts 5 SECTION IV : ORIFICE INST ALLA TION Install Schrader V alve Core and Orifice as follows: 1. Relieve the holding charge by depressing the Schrader valve stem located in the end of the liquid line. Cut the sp undown copper to allow installation of the suction line. 2. Slide indoor coil out of cab[...]

  • Page 6

    835961-UIM-D-0213 6 Johnson Controls Unitary Products SECTION VI: EV ACU A TION It will be necessary to evacuate the system to 500 microns or less. If a leak is suspected, leak test with dry nitrogen to locate the leak. Repair the leak and test again. T o verify that the system has no leak s, simply close the valve to the vac- uum pump suction to i[...]

  • Page 7

    835961-UIM-D-0213 Johnson Controls Unitary Produ cts 7 SECTION VIII: ELECTRICAL CONNECTIONS GENERAL INFORMA TION & GROUNDING Check the electrical supply to be sure that it meets the values specified on the unit nameplate and wiring lab el. Power wiring, control (low voltage) wiring, disconnect switches and over current protection must be suppli[...]

  • Page 8

    835961-UIM-D-0213 8 Johnson Controls Unitary Products DEHUMIDIF ICA TION CON TROL A dehumidification control accessory 2HU06700124 may be used with variable speed air handlers or fur naces in high humidity areas. This control works with the variable speed indoor unit to provide cooling at a reduced air flow , lowering evaporator temperature and inc[...]

  • Page 9

    835961-UIM-D-0213 Johnson Controls Unitary Produ cts 9 SECTION IX: SY STEM ST ART -UP ENERGIZE CRANK CASE HEA TER If this unit is equipped wi th a crankcase heater for the compressor, a warning label with an adhesive back is supplied in the u nit installation instruction packet. This label shoul d be attached to the field supplied disconnect switch[...]

  • Page 10

    835961-UIM-D-0213 10 Johnson Controls Unitary Products SECTION V : SY STEM OPERA TI ON ANTI-SHO RT CY CLE DE LA Y The control includes a five-minute anti-short cycle delay (ASCD) time r to prevent the compressor from shor t cycling after a power or thermo- stat signal interruption. The ASCD time r is applied when the control is first powered from t[...]

  • Page 11

    835961-UIM-D-0213 Johnson Controls Unitary Produ cts 11 Demand Defrost (13 Se er 1.5 ton, 14.5 Seer 1 .5-4 T on) The control maintains proper airflow through the outdoor coil during heating operation by melting frost and ice that may fo rm on the coil. Frost may accumulate unevenly in diff erent sections of the coil because of the arrangement of th[...]

  • Page 12

    835961-UIM-D-0213 12 Johnson Controls Unitary Products COOLING OPERA TION During cooling operation, the control will receive thermostat signals at the Y and O input terminals. T he control will energize the M compressor output terminal. This signal energ izes the coil of the compressor con- tactor causing the compressor to run. The control also del[...]

  • Page 13

    835961-UIM-D-0213 Johnson Controls Unitary Produ cts 13 SECTION VII: WIRING DIA GRAM FIGURE 14: Wiring Diagram - Single Phase (De mand Defrost)[...]

  • Page 14

    835961-UIM-D-0213 14 Johnson Controls Unitary Products FIGURE 15: Wiring Diagram - Single Phase (Time-T emp) 544123-UWD-B-0412 S C R FAN MOTOR GND 63 54 2 1 GRN BRN RED BLK BRN WHT S C R BRN CAP H C F RED L1 L2 T1 T2 USE COPPER CONDUCTORS ONLY 208-230 VAC 60 Hz 1 PHASE SUPPLY CC CCH COMPRESSOR PLUG CONTACTOR RED RED RED BLK BLK RED RED BLK BLK BLK [...]

  • Page 15

    835961-UIM-D-0213 Johnson Controls Unitary Produ cts 15 FIGURE 16: Wiring Diagram - Three Phase (Demand Defrost) R C GND FAN MOTOR S 56 34 2 1 BRN RED GRN BLK USE COPPER CONDUCTORS ONLY 208/230 VAC 60 HZ 3 PHASE SUPPLY 460 VAC 60 HZ 3 PHASE SUPPLY 380/415 VAC 50 HZ 3 PHASE SUPPLY COMPRESSOR FIELD WIRING, LINE VOLTAGE OPTIONAL WIRING LOW VOLTAGE FAC[...]

  • Page 16

    835961-UIM-D-0213 16 Johnson Controls Unitary Products FIGURE 17: Wiring Diagram - Three Phase (T ime-T emp) 545127-UWD-C-0412 R C GND FAN MOTOR S 56 34 2 1 BRN RED GRN BLK T2 T1 T3 RED USE COPPER CONDUCTORS ONLY 208-230 VAC 60 Hz 3 PHASE SUPPLY 460 VAC 60 Hz 3 PHASE SUPPLY 575 VAC 60 Hz 3 PHASE SUPPLY 380/415 VAC 60 Hz 3 PHASE SUPPLY COMPRESSOR PL[...]

  • Page 17

    835961-UIM-D-0213 Johnson Controls Unitary Produ cts 17 NOTES[...]

  • Page 18

    835961-UIM-D-0213 18 Johnson Controls Unitary Products SECTION VIII: ST ART UP SHEET Heat Pump and Supplementary Heat Start-Up Sheet Proper start-up is critical to customer comfort and equipment longevity Name Address City State or Province Zip or Postal Code Indoor Unit Model # Indoor Unit Serial # Indoor Coil Model # Indoor Coil Serial # Upflow D[...]

  • Page 19

    835961-UIM-D-0213 Johnson Controls Unitary Produ cts 19 Supply static after indoor coil (in w.c.") Return Static (in w.c.") before filter Total External Static Pressure Low 1 2 Medium Low Medium 3 4 Medium High High 5 A B D C A B C D Air Side: System Total External Static Pressure Supply static before indoor coil (in w.c.") Return St[...]

  • Page 20

    Subject to change without not ice. Published in U.S.A. 835961-UIM-D-0213 Copyright © 2013 by Johnson Controls, Inc. All rights reserved. Supersedes: 835961-UIM-C-0712 Y ork Internationa l Corp. 5005 Y ork Drive Norman, OK 73069 Explain operation of system to equipment owner Explain the importance of regular filter replacement and equipment mainten[...]