Bard C42HY-A Wall-Mount Heat Pump Manuals

Manuals and User Guides for Bard C42HY-A Wall-Mount Heat Pump. We have 1 Bard C42HY-A Wall-Mount Heat Pump manual available for free PDF download: Installation Instructions Manual

Bard C42HY-A Installation Instructions Manual (50 pages)

11EER Wall Mount Heat Pump

Brand: Bard | Category: Heat Pump | Size: 2.66 MB

Table of Contents
2
Safety Instructions
4
General Information
10
Shipping Damage
10
Additional Publications
10
Heat Pump Wall Mount Model Nomenclature
11
Duct Work
12
Filters
12
Filter Removal/Installation
12
Figure 1 Front Control Panel Cover
12
Figure 2 Removing Left Filter
12
Switching Filter Sizes
13
Figure 3 Removing Second Filter
13
Figure 4 Filter Tabs in up Position
13
Figure 5 Bend Filter Tabs down
13
Figure 6 Remove Four Screws
13
Figure 7 Re-Install Filter Support Brackets into Lower Slots
13
Figure 8 Re-Install Screws and Bend Tabs up
13
Fresh Air Intake
14
Figure 9 Install Right 2" Filter
14
Figure 10 Install Left 2" Filter
14
Figure 11 Fresh Air Damper
14
Installation
15
Basic Installation Design and Application Planning
15
Wall Construction
15
Outdoor Area Inspection
15
Condensate Water Drainage
15
Indoor Ducted and Non-Ducted Applications
15
Indoor Supply Airflow
15
Indoor Return Airflow
15
Ducted Applications
16
Free Blow Applications
16
Thermostat or Indoor Temperature Sensor Placement
16
Unit Installation
16
Materials/Tool List
17
Wall Preparation
17
Wall Mount Installation to Wall Surface
17
Figure 12 Vent Installation/Removal Clearance Required
18
Table 1 Clearance Required for Service Access and Adequate Condenser Airflow
18
Table 2 Minimum Clearances Required to Combustible Materials
18
Figure 13 Unit Dimensions
19
Figure 14 Mounting Instructions
20
Figure 15 Electric Heat Clearance
21
Figure 16 Wall Mounting Instructions
22
Figure 17 Wall Mounting Instructions
22
Figure 18 Common Wall Mounting Installations
23
Wiring - Main Power
24
High Voltage Connections
24
Figure 19 High Voltage Connections
24
Wiring - Low Voltage
25
Low Voltage Connections
25
Unit Shutdown Feature
25
Ventilation Features
25
Low Ambient Control
25
Freeze Protection Thermostat
25
Alarm Relay Feature
25
Dirty Filter Switch Indicator (DFS)
25
Table 3 Field Supplied Controls - Sequence of Operation
26
Table 4 Wall Thermostats
26
Table 5 Humidity Controls
26
Table 6 CO 2 Controllers
26
Table 7 Thermostat Wire Size
26
Figure 20 Thermostat Connections
27
Figure 21 Thermostat Connections
28
Start up
29
General
29
Topping off System Charge
29
Safety Practices
29
Important Installer Note
29
High Pressure Switch
29
Three Phase Scroll Compressor Start up Information
29
Phase Monitor
30
Condenser Fan Operation
30
Service Hints
30
Sequence of Operation
30
Cooling Stage 1
30
Cooling Stage 2
30
Heating Stage 1
30
Heating Stage 2
31
Heating Stage 2 & Electric Heat (up to 10KW)
31
Emergency Heat
31
Low Ambient Conditions
31
Defrost Cycle
31
Low Pressure Switch Bypass Operation
32
Figure 22 Defrost Control Board
32
High Pressure Switch Operation
33
Vent Connection Plug
33
Pressure Service Ports
33
Service
34
Solid State Heat Pump Control Troubleshooting Procedure
34
Table 8 Troubleshooting
34
Checking Temperature Sensor Outside Unit Circuit
35
Table 9 Temperature Vs. Resistance
35
Troubleshooting ECM TM Indoor Blower Motors
36
Replacing ECM Control Module
37
Figure 23 Control Disassembly
37
Figure 24 Winding Test
37
Figure 25 Drip Loop
37
Figure 26 Control Connector Motor Half
38
Fan Blade Setting Dimensions
39
R-410A Refrigerant Charge
39
Condenser Coil Cleaning Access
39
Important Cleaning Note
39
Figure 27 Fan Blade Setting
39
Figure 28 Condenser Coil Access Removal
39
Table 10 Fan Blade Dimensions
39
Table 11A Cooling Pressures - Full Load
40
Table 11B Cooling Pressures - Part Load
41
Table 12A Heating Pressures - Full Load
42
Table 12B Heating Pressures - Part Load
42
Table 13 Electrical Specifications C**HY
43
Unit Airflow
44
Dirty Filter Switch
44
Figure 29 Dirty Filter Switch and Dirty Filter Indicator Light/Reset Switch
44
Dirty Filter Switch Adjustment
45
Figure 30 Adjusting Filter Switch
45
Table 14 Indoor Airflow Status and Unit Performance
46
Table 15 Electric Heat
46
Table 16 Vent and Control Options
47
Table 17 Optional Accessories
48

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