Manual
2100-468E
Page
2 of 27
CONTENTS
Getting Other Informations and Publications
General Instructions
Important ................................................................ 3
Shipping Damage .................................................... 4
General
................................................................ 4
Field-Installed Heater Packages (Optional) ............. 4
Installation
Location
................................................................ 9
Slab Mounting .......................................................... 9
Winter Installation .................................................... 9
Typical Installations ......................................... 9 & 12
Condensate Drain Trap ......................................... 12
Air Filters .............................................................. 12
Thermostats ........................................................... 13
Wiring – Main Power ............................................. 14
Wiring – 24V Low Voltage Control Circuit ............. 14
Thermostat Indicator Lamps .................................. 15
Emergency Heat Position ...................................... 15
Transformer Taps ................................................... 15
Compressor Cutoff Thermostat and Outdoor
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
Elevated Mounting Platform ................... 11
Figure 5
Condensate Drain Trap ......................... 12
Figure 6
Low Voltage Wiring ............................... 14
Figure 7
Unit 24V Terminal Board (5–10 KW) ..... 15
Figure 8
Unit 24V Terminal Board (15–20 KW) ... 16
Figure 9
Heat Pump Control Board ..................... 19
Figure 10 Fan Blade Setting ................................. 22
Figure 11 Brazing Diagram ................................... 25
Figure 12 Motor Connections ................................ 26
Figure 13 Wiring (Connections/Voltage) ............... 27
Start Up and Operation
General
.............................................................. 17
Topping Off System Charge ................................... 17
Safety Practices ..................................................... 17
Start Up Notes ....................................................... 17
Three Phase Scroll Compressor Start Up
Information ............................................................. 18
Sequence of Operation .......................................... 18
Defrost Cycle ......................................................... 19
Troubleshooting
Solid State Heat Pump Control
Troubleshooting Procedure ................................... 20
Troubleshooting Guide .......................................... 20
Checking Temperature Sensor Check Out ............ 21
Temperature vs. Resistance of
Temperature Sensor Chart .................................... 21
Service
Service Hints ......................................................... 22
Pressure Service Ports .......................................... 22
Refrigerant Charge ................................................ 22
Fan Blade Settings ................................................ 22
Suction and Discharge Tube Brazing .................... 25
Pressure Tables ............................................. 23 & 24
Troubleshooting GE ECM Blower Motors .
26 & 27
Tables
Table 1
Rated CFM and ESP .............................. 4
Table 2
Electrical Data ......................................... 5
Table 3
Optional Field Installed Heater
Packages ................................................ 6
Table 4
Opt. Field Installed Elec. Heater ............. 7
Table 5
Required Filters ..................................... 12
Table 6
Heat Pump Thermostats ....................... 13
Table 7
Thermostat Wire Size ........................... 13
Table 8
Compressor Cutoff Thermostat
Wiring (5 - 10 KW) ............................... 16
Table 9
Compressor Cutoff Thermostat
Wiring (15 - 20 KW) ............................. 16
Table 10 Fan Blade Setting Dimensions .............. 22
Table 11
Pressure Table - Cooling ....................... 23
Table 12 Pressure Table - Heating ...................... 24
Table 13 Indoor Blower Performance .................. 25
