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QH422D
Bard QH422D Manuals
Manuals and User Guides for Bard QH422D. We have
2
Bard QH422D manuals available for free PDF download: Installation Instructions Manual
Bard QH422D Installation Instructions Manual (35 pages)
Brand:
Bard
| Category:
Heat Pump
| Size: 0.52 MB
Table of Contents
Table of Contents
2
Getting Other Information and Publications
3
For more Information, Contact These Publishers
3
Tables
4
Qtecgeneral Information
4
QT EC Model Nomenclature
4
Table 1 Factory Built-In Electric Heat Table
4
Table 2 Electrical Specifications
5
Table 2A Electrical Specifications
6
Figure 1 Unit Dimensions
7
Figures
7
Figure 2 Air Seal on Bottom of Unit
8
Figure 3 Removal of Unit from Skid
8
Shipping Damage
8
Unit Removal from Skid
8
Figure 4 Unit on Appliance Cart
9
General
9
Handling Unit after Removal from Skid
9
Minimum Installation Height
9
Figure 5 Installation with Free Blow Plenum
10
Figure 6 Ducted Application
10
Duct Work
11
Figure 7 Supply Duct Connections
11
Figure 8 Filter Location
11
Filters
11
Condensate Drain
12
Figure 10 Optional Rear Drain
12
Figure 9 Side Drain
12
Fresh Air Intake
12
Figure 11 Rear Drain (Top View)
13
Figure 12 Unit Mounting
13
Service Light
13
Installation Instructions
14
Mounting the Unit
14
Figure 13 Removing Locking Screws from Wheels
14
Wiring - Main Power
15
Wiring - Low Voltage Wiring
15
Figure 14 Component Location
15
Table 3 Operating Voltage Range
15
Figure 15 Thermostat Plug Terminals
16
Table 4 Wall Thermostats and Subbase Combinations
16
Figure 16 Thermostat Wiring Diagram "E" Option
17
Start up
20
Description of Standard Equipment
20
Optional CFM
20
Important Installer Note
20
Phase Monitor
20
Three Phase Scroll Compressor Start up Information
20
Service Hints
21
Mist Eliminator Service
21
Vent Options
22
Figure 16A Thermostat Wiring Diagram "X" Option16 Figure 16B Thermostat Wiring Diagram "F" Option 17 Figure 17 Fresh Air Damper Removal
23
Figure 18 QERV Removal
24
Sequence of Operation
25
Optional Climate Controls Sequence of Operation
25
Refrigerant Tube Schematic for Reheat Coil
26
Pressure Service Ports
26
Figure 19 Dehumidification Mode Circuit
27
Figure 20 Cooling Mode Circuit
28
Figure 21 Heat Pump Control Board
29
Defrost Cycle
29
Troubleshooting
30
Table 5 Troubleshooting
30
Solid State Heat Pump Control Troubleshooting Procedure
31
Checking Temperature Sensor
31
Table 6 Temperature Vs Resistance of Temperature Sensor
31
Figure 22 Fan Blade Setting
32
Fan Blade Setting Dimensions
32
Refrigerant Charge
32
Table 7 Fan Blade Dimensions
32
Table 8 Suction Line Temperatures
32
Table 9 Indoor Blower Performance
32
Pressure Charts
33
Table 10 Cooling Pressure
33
Table 11 Heating Pressure
34
Optional Accessories
35
Table 12 Optional Accessories
35
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Bard QH422D Installation Instructions Manual (37 pages)
PACKAGED HEAT PUMP
Brand:
Bard
| Category:
Heat Pump
| Size: 0.59 MB
Table of Contents
Table of Contents
2
Getting Other Information and Publications
3
For more Information, Contact These Publishers
3
QT EC Model Nomenclature
4
Table 1 Factory Built-In Electric Heat Table
4
Table 2 Electrical Specifications
5
Table 2A Electrical Specifications
5
Figure 1 Unit Dimensions
7
Shipping Damage
8
Unit Removal from Skid
8
Figure 2 Air Seal on Bottom of Unit
8
Figure 3 Removal of Unit from Skid
8
Handling Unit after Removal from Skid
9
General
9
Minimum Installation Height
9
Figure 4 Unit on Appliance Cart
9
Figure 5 Installation with Free Blow Plenum
10
Figure 6 Ducted Application
10
Duct Work
11
Filters
11
Figure 7 Supply Duct Connections
11
Figure 8 Filter Location
11
Fresh Air Intake
12
Condensate Drain
12
Figure 9 Side Drain
12
Figure 10 Optional Rear Drain
12
Service Light
13
Figure 11 Rear Drain (Top View)
13
Figure 12 Unit Mounting
13
Installation Instructions
14
Mounting the Unit
14
Figure 13 Removing Locking Screws from Wheels
14
Wiring - Main Power
15
Wiring - Low Voltage Wiring
15
Figure 14 Component Location
15
Table 3 Operating Voltage Range
15
Low Voltage Connections
16
Figure 15 Thermostat Plug Terminals
17
Table 4 Wall Thermostats and Subbase Combinations
17
Figure 16 Thermostat Wiring Diagram "X" Option 16 Figure 16-1 Details on LVTB Connections
19
Figure 16C Thermostat Wiring Diagram "G" Option
22
Start up
23
Description of Standard Equipment
23
Optional CFM
23
Important Installer Note
23
Phase Monitor
23
Three Phase Scroll Compressor Start up Information
23
Service Hints
24
Mist Eliminator Service
24
Vent Options
25
Figure 17 Fresh Air Damper Removal
26
Figure 18 QERV Removal
27
Sequence of Operation
28
Optional Climate Controls Sequence of Operation
28
Refrigerant Tube Schematic for Reheat Coil
29
Pressure Service Ports
29
Figure 19 Dehumidification Mode Circuit
30
Figure 20 Cooling Mode Circuit
31
Figure 21 Heat Pump Control Board
32
Defrost Cycle
32
Troubleshooting
33
Table 5 Troubleshooting
33
Solid State Heat Pump Control Troubleshooting Procedure
34
Checking Temperature Sensor
34
Table 6 Temperature Vs Resistance of Temperature Sensor
34
Figure 22 Fan Blade Setting
35
Fan Blade Setting Dimensions
35
Refrigerant Charge
35
Table 7 Fan Blade Dimensions
35
Table 8 Super Heat at Compressor
35
Table 9 Indoor Blower Performance
35
Pressure Charts
36
Table 10 Cooling Pressure
36
Table 11 Heating Pressure
37
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