Bard CH3S1 Heat Pump User Manual


 
Manual 2100-455A
Page 2 of 25
CONTENTS
Figures
Figure 1 Unit Dimensions CH3S1 ...................... 5
Figure 2 Unit Dimensions CH4S1 & CH5S1 ...... 6
Figure 3 Mounting Instructions CH3S1 ............ 10
Figure 4
Mounting Instructions CH4S1/CH5S1 .
11
Figure 5 Electric Heat Clearance ..................... 12
Figure 6 Wall Mounting Instructions................. 13
Figure 7 Wall Mounting Instructions................. 13
Figure 8 Common Wall Mounting Installations. 14
Figure 9 Common Wall Mounting Installations. 15
Figure 10 Unit 24V Terminal Board .................... 15
Figure 11 Low Pressure Control Bypass Timer . 17
Figure 12 Defrost Control Board ........................ 19
Figure 13 Fan Blade Setting .............................. 22
Tables
Table 1 Electric Heat Table ................................ 4
Table 2 Electrical Specifications ........................ 7
Table 3 Thermostat Wire Size ......................... 15
Table 4 Wall Thermostat .................................. 16
Table 5 Troubleshooting .................................. 20
Table 6 Fan Blade Dimensions........................ 22
Table 7 Refrigerant Charge ............................. 23
Table 8 Indoor Blower Performance ................ 23
Table 9 Maximum ESP of Operation ............... 23
Table 10 Pressure Table - High Cooling ............ 24
Table 11 Pressure Table - Low Cooling ............. 24
Table 12 Pressure Table - High Heating ............ 25
Table 13 Pressure Table - Low Heating............. 25
Getting Other Information and Publications
For More Information ............................................... 3
Wall Mount General
Heat Pump Wall Mount Model Nomenclature ....... 4
Shipping Damage ................................................. 8
General .............................................................. 8
Duct Work ............................................................. 8
Filters .............................................................. 8
Condensate Drain – Evaporator ........................... 8
Installation Instructions
Wall Mounting Information .................................... 9
Mounting the Unit.................................................. 9
Wiring – Main Power........................................... 15
Wiring – Low Voltage Wiring ............................... 15
Low Voltage Connections ................................... 16
Start Up
Application .......................................................... 16
Safety Practices .................................................. 17
Important Installer Note....................................... 17
Pressure Service Ports ....................................... 17
High & Low Pressure Switch .............................. 17
Three Phase Scroll Compressor Start Up ... 17 & 18
Phase Monitor..................................................... 18
Service Hints....................................................... 18
Sequence of Operation ....................................... 18
Compressor Current & Pressure
Control Module ................................................... 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
Compressor Solenoid ......................................... 22
Fan Blade Setting Dimensions ........................... 22
Removal of Fan Shroud ...................................... 22
Refrigerant Charge R-410A ................................ 22
Pressure Tables ............................................. 24-25