UPG YZE03811 SERIES Installation Manual Download Page 15 | Manualshive

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361819-YIM-A-0208

Unitary Products Group

15

SECTION X: WIRING DIAGRAM

FIGURE 14:

Wiring Diagram

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Summary of Contents for YZE03811 SERIES

Page 1: ...ty dam age Improper installation may create a condition where the operation of the product could cause personal injury or property damage Improper installation adjustment alteration service or mainte nance can cause injury or property damage Refer to this manual for assistance or for additional information consult a qualified con tractor installer or service agency This product must be installed i...

Page 2: ...ground area the unit should be raised sufficiently above the roof or ground to avoid taking the accumulated layer of hot air into the outdoor unit Provide an adequate structural support ADD ON REPLACEMENT RETROFIT When this unit is being used as a replacement for an R 22 unit it is required that the outdoor unit indoor coil and metering device all be replaced The following steps should be performe...

Page 3: ...ll a line will result in loss of capacity and other problems caused by insufficient refrigerant flow Slope horizontal vapor lines at least 1 every 20 feet toward the out door unit to facilitate proper oil return PRECAUTIONS DURING LINE INSTALLATION 1 Install the lines with as few bends as possible Care must be taken not to damage the couplings or kink the tubing Use clean hard drawn copper tubing ...

Page 4: ...rvice port connection After this con nection has cooled remove the nitrogen source from the liquid fit ting service port 7 Replace the Schrader core in the liquid and vapor valves 8 Go to SECTION IV for TXV installation 9 Leak test all refrigerant piping connections including the service port flare caps to be sure they are leak tight DO NOT OVER TIGHTEN between 40 and 60 inch lbs maximum 10 Evacua...

Page 5: ...ertical run the bulb should be located at least 16 inches from any bend and on the tub ing sides opposite the plane of the bend The bulb should be positioned with the bulb tail at the top so that the bulb acts as a reservoir c Bulb should be insulated using thermal insulation provided to protect it from the effect of the surrounding ambient tempera ture SECTION V ELECTRICAL CONNECTIONS GENERAL INF...

Page 6: ...educed air flow lowering evaporator temperature and increasing latent capacity The humidistat in this control opens the humidistat contacts on humidity rise To install refer to instructions packaged with the acces sory and Figures 7 12 Prior to the installation of the dehumidification control the jumper across the HUMIDISTAT terminals on the indoor variable speed air handler or furnace CFM selecti...

Page 7: ...tage Aux Heat W2 Second Stage Aux Heat DHM Dehumidistat HM Humidistat O Reversing Valve Energized in Cool Change FFuel jumper on the heat pump control to ON Part Numbers SAP Legacy 126768 031 09137 18395 031 01996 340512 031 09178 1 1 Part Numbers SAP Legacy 265904 031 09169 2 C 24 Volt Common R 24 Volt Hot Y1 Single Stage Compressor TWO STAGE VARIABLE SPEED FURNACE CONTROL G Fan TWO STAGE VARIABL...

Page 8: ... to YES if humidistat is to be used PV 8 9 ID MODELS F L 8 9 V YORKGUARD VI CONTROL G L 8 9 V YZE OD MODELS YZH H 5 H 8 C 24 Volt Common R 24 Volt Hot Y1 First Stage Compressor O Reversing Valve Energized in Cool L Malfunction Light Y2 Second Stage Compressor G Fan DN22H00124 DP22U70124 THERMOSTAT E W1 First Stage Aux Heat W2 Second Stage Aux Heat C 24 Volt Common Y First Stage Compressor O B Reve...

Page 9: ...9481 031 09157 2 COM 24 Volt Common R 24 Volt Hot W1 First Stage Aux Heat W2 Second Stage Aux Heat Y1 Single Stage Compressor Y Y2 Second or Full Stage Compressor O Reversing Valve Energized in Cool X L Malfunction Light HUM Dehumidification Open on Humidity Rise VARIABLE SPEED AIR HANDLER CONTROL G Fan Move the MODE jumper to HP Move the HUM STAT jumper to YES if humidistat is to be used VARIABLE...

Page 10: ...ype must be set to 12 3 Heat 2 Heat Pump Thermostat Installer Setup 0190 Changeover Valve must be set to 0 O B terminal Energized in Cooling Thermostat Installer Setup 0200 Backup Heat Source must be set to 0 Heat Pump Backup Heat Source is Electric AUX Auxiliary Heat 1 24VAC Humidifier Optional Part Numbers SAP Legacy 159481 031 09157 2 COM 24 Volt Common R 24 Volt Hot W1 First Stage Aux Heat W2 ...

Page 11: ...e Aux Heat DHM Dehumidistat HM Humidistat O Reversing Valve Energized in Cool C 24 Volt Common R 24 Volt Hot Y1 Single Stage Compressor VARIABLE SPEED MODULATING FURNACE CONTROL G Fan VARIABLE SPEED MODULATING FURNACE Y Y2 Second or Full Stage Compressor HUM Dehumidification Open on Humidity Rise W Modulating Heat Change FFuel jumper on the heat pump control to ON 1 Part Numbers SAP Legacy 171334 ...

Page 12: ...1 01996 340512 031 09178 1 PC 8 9 ID MODELS FC 8 9 C FL 8 9 C YZE OD MODELS YZH H 5 H 8 C 24 Volt Common R 24 Volt Hot Y1 First Stage Compressor O Reversing Valve Energized in Cool L Malfunction Light Y2 Second Stage Compressor G Fan DN22H00124 DP22U70124 THERMOSTAT E W1 First Stage Aux Heat W2 Second Stage Aux Heat C 24 Volt Common Y First Stage Compressor O B Reversing Valve L Malfunction Light ...

Page 13: ...is required during heating operation the unit must be evacuated and charge weighed in per the marking on the rating plate For the cooling operation the recommended subcooling is typically around 10 F This may vary greatly based on each unique system 1 Set the system running in the cooling mode by setting the thermo stat at least 6 F below the room temperature 2 Operate the system for a minimum of ...

Page 14: ...r to prevent the migration of refrigerant to the compressor during the OFF cycle The heater is energized only when the unit is not running If the main switch is disconnected for long peri ods of shut down do not attempt to start the unit until 8 hours after the switch has been connected This will allow sufficient time for all liquid refrigerant to be driven out of the compressor The installer shou...

Page 15: ...361819 YIM A 0208 Unitary Products Group 15 SECTION X WIRING DIAGRAM FIGURE 14 Wiring Diagram ...

Page 16: ...ct to change without notice Printed in U S A 361819 YIM A 0208 Copyright by Unitary Products Group 2008 All rights reserved Supersedes 128596 YIM A 0505 Unitary 5005 Norman Product York OK Group Drive 73069 ...

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