Bard WH421DB Manuals

Manuals and User Guides for Bard WH421DB. We have 1 Bard WH421DB manual available for free PDF download: Installation Instructions Manual

Bard WH421DB Installation Instructions Manual

Bard WH421DB Installation Instructions Manual (25 pages)

Brand: Bard | Category: Heat Pump | Size: 0 MB

Table of Contents

Table of Contents
2
Getting Other Informations and Publications
3
For more Information, Contact These Publishers
3
Wall Mount General Information
4
Heat Pump Wall Mount Model Nomenclature
4
Table 1 Electric Heat Table
4
Figure 1 Unit Dimensions
5
Table 2 Electrical Specifications
6
Shipping Damage
7
General
7
Duct Work
7
Filters
7
Fresh Air Intake
8
Condensate Drain
8
Figure 2 Blower Damper Assembly
8
Installation Instructions
9
Wall Mounting Information
9
Mounting the Unit
9
Typical Installations
9
Figure 3 Mounting Instructions
10
Figure 4 Electric Heat Clearance
10
Figure 5 Wall Mounting Instructions
11
Figure 6 Wall Mounting Instructions
11
Figure 7 Common Wall Mounting Installations
12
Wiring - Main Power
13
Wiring - Low Voltage
13
Low Voltage Connections
13
Figure 8 Hot Gas Reheat During Dehumidification with CS200
14
Figure 9 Hot Gas Reheat During Dehumidification with Programmable Thermostat
15
Thermostat Indicator Lamps
16
Emergency Heat Mode
16
Compressor Malfunction Light
16
Table 3 Thermostat Wire Size
16
Table 4 Wall Thermostats
16
Figure 10 Start up Label
17
Start up
17
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
Dehumidification
18
Pressure Service Ports
19
Defrost Cycle
19
Figure 11 Defrost Control Board
20
Troubleshooting
21
Solid State Heat Pump Control
21
Troubleshooting Procedure
21
Table 5 Troubleshooting
21
Checking Temperature Sensor Outside Unit Circuit
22
Temperature Vs. Resistance of Temperature Sensor
22
Figure 12 Fan Blade Setting
23
Fan Blade Dimensions
23
Removal of Fan Shroud
23
Refrigerant Charge
23
Table 6 Fan Blade Dimensions
23
Table 7 Suction Line Temperatures
23
Table 8 Recommended Operating Ranges
23
Table 9 Indoor Blower Performance
23
Pressure Tables
24
Table 10 Maximum ESP of Operation
24
Table 11 Pressure Table - Cooling
24
Optional Accessories
25
Table 12 Pressure Table - Heating
25
Table 13 Optional Accessories
25

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