Bard Q42A2DB Manuals

Manuals and User Guides for Bard Q42A2DB. We have 1 Bard Q42A2DB manual available for free PDF download: Installation Instructions Manual

Bard Q42A2DB Installation Instructions Manual

Bard Q42A2DB Installation Instructions Manual (41 pages)

PACKAGED AIR CONDITIONER

Brand: Bard | Category: Air Conditioner | Size: 1.54 MB

Table of Contents

Table of Contents
2
Getting Other Information and Publications

3
- For more Information, Contact These Publishers
  3
Q-Tecgeneral Information

4
- Q-T Ec Model Nomenclature
  4
Tables

5
Installation Instructions

19
Start up

27
- Topping off System Charge
  27
- Safety Practices
  27
- Description of Standard Equipment
  28
- Optional CFM (Q36A2, Q42A2, Q48A2 & Q60A2 Only)
  28
- Important Installer Note
  28
- Phase Monitor
  28
- Three Phase Scroll Compressor Start up
  28
  - Information
    28
- Compressor Control Module
  29
- Adjustments
  29
- Service Hints
  29
- Mist Eliminator Service
  30
- Vent Options
  30
- Figure 21 Fresh Air Damper Removal
  32
- Figure 22 QERV Removal
  33
- Figure 23 CO Controller
  34
- Sequence of Operation
  34
- CRV / QERV Operation
  34
- Pressure Service Ports
  34
- Figure 24 Air Conditioning Mode Circuit Diagram
  35
- Figure 25 Dehumidification Mode Circuit Diagram
  36
Troubleshooting

37
- Table 5A Troubleshooting
  37
- Table 5B Dehumidification Relay Logic Board
  37
- Troubleshooting ECM™ Blower Motors
  38
- Figure 26 Control Disassembly
  39
- Figure 27 Winding Test
  39
- Figure 28 Drip Loop
  39
- Fan Blade Setting Dimensions
  40
- Refrigerant Charge
  40
- Figure 29 Fan Blade Setting
  40
- Table 6 Fan Blade Dimensions
  40
- Table 7 Subcooling @ Liquid Line
  40
- Table 8 Indoor Blower Performance
  40
- Pressure Chart
  41
- Table 9 Cooling Pressure
  41

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