Bard MULTI-TEC W42ACM Series Manuals

Manuals and User Guides for Bard MULTI-TEC W42ACM Series. We have 1 Bard MULTI-TEC W42ACM Series manual available for free PDF download: Service Instructions Manual

Bard MULTI-TEC W42ACM Series Service Instructions Manual

Bard MULTI-TEC W42ACM Series Service Instructions Manual (39 pages)

Wall-Mount Air Conditioner

Brand: Bard | Category: Air Conditioner | Size: 1.22 MB

Table of Contents

Table of Contents
2
Figure 1 MULTI-TEC Wall-Mount Unit Model Nomenclature
3
Figures and Tables

3
General Information

4
- Air Conditioning System
  4
- Wall-Mount Air Conditioner Units
  4
- General
  4
- Shipping Damage
  4
- Additional Publications
  4
Using the TEC-EYE TM

6
- TEC-EYE Hand-Held Diagnostic Tool
  6
Alarms

11
- Acknowledging/Clearing Alarms
  11
  - Clearing Alarms
    11
    
    Clearing Alarm Logs
    11
- Alarm Adjustment
  11
  - Mixed Air Alarm
    11
  - Figure 13 Alarm Screen Breakdown
    11
  - Figure 14 Clearing Alarms
    11
  - Figure 15 Clearing Alarm Logs
    11
  - Refrigerant Low Pressure
    12
  - Refrigerant High Pressure
    12
  - Economizer Damper
    12
    
    Figure 16 Adjusting Mixed Air Alarm Values
    12
    
    Figure 17 Adjusting Damper Alarm Values
    12
    
    Figure 18 Adjusting Freeze Alarm Values
    13
    
    Freezestat
    13
Control Operation

14
- On/Off Control
  14
- Blower Control
  14
- Balanced Climate Mode
  14
  - Balanced Climate Enable/Disable
    14
  - Figure 19 Blower Speeds
    14
- Temperature Control
  15
- Free Cooling
  16
  - Economizer Disable
    16
  - Figure 22 Adjusting Cooling Differential Values
    16
  - Figure 23 Adjusting Heating Differential Values . 16 Figure 24 Wall-Mount Unit Heating Staging
    16
  - Economizer Enable
    17
    
    Drybulb Only
    17
    
    Economizer Modulation
    17
    
    Enthalpy
    17
    
    Figure 25 Economizer A4 Screen
    17
    
    Figure 26 Economizer A5 Screen
    17
    
    Figure 27 Adjusting Damper Modulation Values
    17
    
    None
    17
    
    Temperature and Humidity (Default)
    17
  - Emergency Cooling
    18
  - Unit Disable
    18
  - Compressor
    18
    
    Delays and Run Time
    18
    
    Enable
    18
  - Electric Reheat Dehumidification
    18
  - Figure 28 Making Adjustments to Unit Disable
    18
  - Figure 29 Dehumidification Control
    19
  - Figure 30 Wall-Mount Unit Control Board
    20
General Refrigerant Information

22
- General
  22
- Topping off System Charge
  22
- Safety Practices
  22
- R410A Refrigerant Charge
  22
Componentry

24
- High Pressure Switch
  24
- Three Phase Scroll Compressor Start up Information
  24
- Phase Monitor
  24
- Condenser Fan Operation
  24
- Low Ambient Control
  24
- Compressor Control Module (CCM)
  24
  - Delay-On-Make Timer
    24
    
    Brownout Protection W/Adjustment
    25
    
    Figure 31 8201-169 Compressor Control Module
    25
    
    High Pressure Detection
    25
    
    Short Cycle Protection/Delay-On-Break
    25
    
    Test Mode
    25
  - Pressure Service Ports
    26
  - Outdoor Fan Motor
    26
  - Figure 32 Fan Blade Setting
    26
Maintenance and Troubleshooting

28
Alarm Index

39

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