CONTENTS
Getting Other Informations and Publications
General Instructions
Important ................................................................ 2
Shipping Damage .................................................... 2
General
................................................................ 2
Field-Installed Heater Packages (Optional) ............. 2
Installation
Location
................................................................ 9
Typical Installations ................................................. 9
Condensate Drain Trap ......................................... 14
Air Filters .............................................................. 14
Wiring – Main Power ............................................. 15
Wiring – 24V Low Voltage Control Circuit ............. 15
Thermostats ........................................................... 16
Thermostat Indicator Lamps .................................. 17
Emergency Heat Position ...................................... 17
Transformer Taps ................................................... 17
Compressor Cutoff Thermostat and Outdoor
Thermostat Wiring ................................................. 17
Start Up and Operation
Three Phase Scroll Compressor Start Up
Information ............................................................. 19
Sequence of Operation .......................................... 19
Defrost Cycle ......................................................... 20
Troubleshooting
Solid State Heat Pump Control
Troubleshooting Procedure ................................... 21
Troubleshooting Guide .......................................... 21
Checking Temperature Sensor Check Out ............ 22
Temperature vs. Resistance of
Temperature Sensor Chart .................................... 22
Service
Service Hints ......................................................... 23
Pressure Service Ports .......................................... 23
Refrigerant Charge ................................................ 23
Fan Blade Settings ................................................ 23
Suction and Discharge Tube Brazing .................... 24
Troubleshooting ECM Blower Motors ............ 25 & 26
Pressure Tables ................................................ 27-30
Figures
Figure 1
Unit Dimensional Drawing ....................... 8
Figure 2
Slab Mounting at Ground Level ............ 10
Figure 3
Airflow and Service Access
Clearances ............................................ 10
Figure 4
Roof Top Application .............................. 11
Figure 5
Elevated Mounting Platforms ................. 11
Figure 6
Prefabricated Rood Curb
Specifications ........................................ 12
Figure 7
Field Fabricated Curbing ....................... 13
Figure 8
Condensate Drain Trap ......................... 14
Figure 9
Low Voltage Wiring ............................... 15
Figure 10 Unit 24V Terminal Board (5–10 KW) ..... 17
Figure 11 Unit 24V Terminal Board (15–20 KW) ... 18
Figure 12 Heat Pump Control Board ..................... 20
Figure 13 Fan Blade Setting ................................. 23
Figure 14 Brazing Diagram ................................... 24
Tables
Table 1
Rated CFM and ESP .............................. 2
Table 2
Electrical Data ......................................... 3
Table 2A Electrical Data ......................................... 4
Table 2B Electrical Data ......................................... 5
Table 3
Optional Field Installed Heater
Packages ................................................ 6
Table 4
Electric Heater Table ............................... 7
Table 5
Dimensions of Unit .................................. 8
Table 6
Roof Curb Dimensions .......................... 12
Table 7
Thermostat Wire Size ........................... 13
Table 8
Wall Thermostat and Subbase
Combinations .......................................... 9
Table 9
Required Filters ..................................... 14
Table 10 Thermostat Wire Size ........................... 16
Table 11
Compressor Cutoff Thermostat
Wiring (5 - 10 KW) ............................... 18
Table 12 Compressor Cutoff Thermostat
Wiring (15 - 20 KW) ............................. 18
Table 13 Refrigerant Charge ............................... 23
Table 14 Fan Blade Setting Dimensions .............. 23
Table 15 Indoor Blower Performance .................. 24
Table 16 Pressure Table - Cooling ....................... 27
Table 17 Pressure Table - Heating ...................... 27
Table 18 Pressure Table - Cooling ....................... 28
Table 19 Pressure Table - Heating ...................... 28
Table 20 Pressure Table - Cooling ....................... 29
Table 21 Pressure Table - Heating ...................... 29
Table 22 Pressure Table - Cooling ....................... 30
Table 23 Pressure Table - Heating ...................... 30
