CONTENTS
Getting Other Informations and Publications
1
Wall Mount General Information
Heat Pump Wall Mount Model Nomenclature .......... 2
Shipping Damage .................................................... 5
General
................................................................ 5
Duct Work ................................................................ 5
Filters
................................................................ 5
Fresh Air Intake ....................................................... 5
Condensate Drain – Evaporator ............................. 6
Installation Instructions
Wall Mounting Information ....................................... 7
Mounting the Unit .................................................... 7
Wiring – Main Power ............................................. 12
Wiring – Low Voltage Wiring ................................. 12
Optional Outdoor Thermostat Applications ............ 13
Heat Anticipation ................................................... 15
Thermostat Indicator Lamps .................................. 15
Emergency Heat Position ...................................... 15
Compressor Malfunction Light ............................... 15
Low Voltage Connections ...................................... 15
Start Up
Important Installer Note ......................................... 17
Crankcase Heaters ................................................ 17
High Pressure Switch ............................................ 17
Three Phase Scroll Compressor Start Up ............. 17
Phase Monitor ....................................................... 18
Service Hints ......................................................... 18
Sequence of Operation .......................................... 18
Pressure Service Ports .......................................... 18
Defrost Cycle ......................................................... 19
Troubleshooting
Solid State Heat Pump Control
Troubleshooting Procedure ................................... 20
Checking Temperature Sensor Outside
Unit Circuit ............................................................. 21
Temperature vs. Resistance of Temperature ......... 21
Fan Blade Setting Dimensions .............................. 22
Removal of Fan Shroud ......................................... 22
Refrigerant Charge ................................................ 22
Pressure Tables ..................................................... 24
Figures
Figure 1
Unit Dimensions ...................................... 3
Figure 2
Fresh Air Damper Assembly ................... 6
Figure 3
Mounting Instructions .............................. 8
Figure 4
Electric Heat Clearance .......................... 9
Figure 5
Wall Mounting Instructions .................... 10
Figure 6
Wall Mounting Instructions .................... 10
Figure 7
Common Wall Mounting Installations ..... 11
Figure 8
Unit 24V Terminal Board ....................... 12
Figure 9
Compressor Cutoff Thermostat
Wiring ................................................... 13
Figure 10 Compressor Cutoff Thermostat
Wiring ................................................... 13
Figure 11 Electric Heat Hold-Off Wiring ................ 14
Figure 12 Electric Heat Hold-Off Wiring ................ 14
Figure 13 Start Up Procedure Decal ..................... 17
Figure 14 Defrost Control Board ........................... 19
Figure 15 Fan Blade Setting ................................. 22
Tables
Table 1
Electric Heat Table .................................. 2
Table 2
Electrical Specifications .......................... 4
Table 3
Thermostat Wire Size ........................... 13
Table 4
Wall Thermostat and Subbase
Combinations ........................................ 16
Table 5
Troubleshooting .................................... 20
Table 6
Fan Blade Dimensions .......................... 22
Table 7
Refrigerant Charge ............................... 22
Table 8
Recommended Operation Range ......... 22
Table 9
Maximum ESP of Operation
Electric Heat Only ................................. 22
Table 10 Indoor Blower Performance .................. 23
Table 11
Pressure Table – Cooling ...................... 24
Table 12 Pressure Table – Heating ...................... 24
