Bard W24HY-A Manuals

Manuals and User Guides for Bard W24HY-A. We have 1 Bard W24HY-A manual available for free PDF download: Installation Instructions Manual

Bard W24HY-A Installation Instructions Manual (49 pages)

Wall Mounted Package Heat Pump

Brand: Bard | Category: Heat Pump | Size: 1.26 MB

Table of Contents
2
Safety Instructions
4
General Information
10
Shipping Damage
10
General
10
Heat Pump Wall Mount Model Nomenclature
11
Fresh Air Intake
11
Duct Work
12
Filters
12
Figure 1 Fresh Air Damper
12
Installation
13
Basic Installation Design and Application Planning
13
Wall Construction
13
Outdoor Area Inspection
13
Condensate Water Drainage
13
Indoor Ducted and Non-Ducted Applications
13
Indoor Supply Airflow
13
Indoor Return Airflow
14
Ducted Applications
14
Free Blow Applications
14
Thermostat or Indoor Temperature Sensor Placement
14
Unit Installation
15
Materials/Tool List
15
Wall Preparation
15
Wall Mount Installation to Wall Surface
15
Clearance Required for Service Access and Adequate Condenser Airflow
16
Minimum Clearances Required to Combustible Materials
16
Figure 2 Unit Dimensions
16
All Models
19
Wiring - Main Power
22
Wiring - Low Voltage
22
Low Voltage Connections
22
Unit Shutdown Feature
22
Balanced Climate TM Feature
22
Dehumidification Feature
23
Ventilation Features
23
Low Ambient Control (LAC)
23
Outdoor Temperature Switch and Freeze Protection Thermostat
23
Alarm Relay Feature
23
Dirty Filter Switch Indicator (DFS)
23
Table 3
23
Wall Thermostats
24
Humidity Controls
24
CO 2 Controller
24
Start up
27
General
27
Topping off System Charge
27
Safety Practices
27
Important Installer Note
27
High and Low Pressure Switch
28
Three Phase Scroll Compressor Start up Information
28
Phase Monitor
28
Condenser Fan Operation
28
Sequence of Operation
28
Cooling
28
Heating
28
Dehumidification and Electronic Expansion Valve (EEV)
28
Balanced Climate Mode
28
Defrost Cycle
29
Low Pressure Switch Bypass Operation
29
High Pressure Switch Operation
30
Vent Connection Plug
30
Pressure Service Ports
30
Service Hints
30
Figure 10 Defrost Control Board
31
Service
32
Solid State Heat Pump Control Troubleshooting Procedure
32
Checking Temperature Sensor Outside Unit Circuit
33
Table 9
33
Troubleshooting Nidec Selectech Series ECM Motors
34
If the Motor Is Running
34
If the Motor Is Not Running
34
Figure 11 Motor Connections
34
Model Selectech Communication Diagnostics
35
Figure 12 Motor Connections
35
Fan Blade Setting Dimensions
36
Removal of Fan Shroud
36
R-410A Refrigerant Charge
36
Figure 13 Fan Blade Setting
36
Table 11A Cooling Pressure
37
Table
37
Table 11B Heating Pressure
37
Cooling Pressure - Balanced Climate Airflow
38
Table 13
39
Setting Unit Airflow
40
Blower Speeds
40
Table 14
40
Figure 14 Speed Taps
40
Figure 15 Speed Taps
40
Speed Tap 1 - Vent/Blower Only
41
Speed Tap 2 - Balanced Climate
41
Speed Tap 3 - Default lo Cooling
41
Heating
41
Speed Tap 4 - Optional MED Cooling
41
Speed Tap 5 - Optional HI Cooling
41
Blower Speeds for Unit Operational Modes
41
Table 16 Indoor Blower Performance
41
Dirty Filter Switch
42
Dirty Filter Switch Adjustment
42
Table 16
44
Table 10 Fan Blade Dimension
45
Maximum ESP of Operation Electric Heat Only
45
Table 13 Electrical Specifications
46
Table 20 Vent and Control Options
47

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Bard W24HY-A Installation Instructions Manual (49 pages)

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