Bard I48A1DB Manuals

Manuals and User Guides for Bard I48A1DB. We have 1 Bard I48A1DB manual available for free PDF download: Installation Instructions Manual

Bard I48A1DB Installation Instructions Manual

Bard I48A1DB Installation Instructions Manual (68 pages)

Brand: Bard | Category: Air Conditioner | Size: 4.14 MB

Table of Contents

Table of Contents
2
Configuring Bard Part #8403-067 CO 2 Control
2
Getting Other Information and Publications

4
- General
  5
I-TEC General Information

6
- I-TEC Model Nomenclature
  6
- Electrical Specifications
  7
  - Figure 1 Unit Dimensions
    8
  - Figure 2A Unit on Lift
    9
  - Figure 2B Unit Side
    9
  - Handling Unit after Removal from Skid
    9
  - Shipping Damage
    9
  - Unit Removal from Skid
    9
  - Minimum Installation Height
    10
  - Required Steps after Final Placement
    10
  - Securing Unit to Structure
    10
  - Figure 3 Center of Gravity
    12
  - Figure 4 Req'D Clearances & Recomm. Access
    13
  - Figure 5 Removal of Air Duct
    14
  - Figure 6 Compressor Shipping Bolts
    14
  - Figure 7A Ducted Application
    15
  - Figure 7B 3" Riser Application
    16
  - Figure 7C 6" Riser Application
    17
  - Duct Work
    18
  - Figure 8 Supply Duct Connections
    18
  - Figure 9 Filter Location
    18
  - Filters
    18
  - Condensate Drain
    19
  - Figure 10 Drain Locations
    19
  - With Commercial Room Ventilator
    19
  - With Energy Recovery Ventilator
    19
  - With no Vent Option
    19
  - Figure 11A Unit Mounting
    20
  - Figure 11B Unit Mounting
    21
Installation Instructions

22
Start up

31
- General
  31
- Topping off System Charge
  31
- Safety Practices
  31
- Description of Standard Equipment
  32
- Important Installer Note
  32
- Phase Monitor
  32
- Three Phase Scroll Compressor Start up Information
  32
- Service Hints
  32
- Sequence of Operation
  33
- Compressor Control Module
  33
- Pressure Service Ports
  33
- Lowering Outdoor Fan Speed for Sound
  34
I-TEC Commercial Room Ventilator System (Vent Code "M")

35
I-TEC Combination CRV and Economizer Ventilation System (Vent Code "N")

38
I-TEC Modulating Commercial Room Ventilator System (Vent Code "Q")

41
- General Description
  41
- Control Wiring
  41
- Recommended Control Sequences
  41
- Changing Ventilation CFM Rates in Manual Mode
  42
- Changing to Fully Modulating Mode
  42
- Manual 2100-597G
  42
- Figure 24A CRV Manual Mode "M" Terminal
  43
- Figure 24B CRV Mod. Mode "P" Terminal
  43
- Manual 2100-597G
  43
- Figure 25 Ventilation Airflow Diagram
  44
- Manual 2100-597G
  44
- Figure 26 CRV Access
  45
- Manual 2100-597G
  45
  - Figure 27 Control Board Configuration/Setting
    46
  - Manual 2100-597G
    46
  - Manual 2100-597G
    47
  - Manual 2100-597G
    48
I-TEC Energy Recovery Ventilator System (Vent Code "R")

49
- General Description
  49
- Control Wiring
  49
- Recommended Control Sequences
  49
- Changing Ventilation CFM Rates in Manual Mode
  50
- Changing to Fully Modulating Mode
  50
- Control
  50
- Manual 2100-597G
  51
- Figure 28A ERV Manual Mode "M" Terminal
  52
- Figure 28B ERV Mod. Mode "P" Terminal
  52
- Manual 2100-597G
  52
- Figure 29 Ventilation Airflow Diagram
  53
- Figure 30 ERV Access
  54
- Figure 31 Control Board Configuration/Setting
  55
- Manual 2100-597G
  55
- Energy Recovery Ventilator Maintenance
  57
- Manual 2100-597G
  58
- Figure 32 Hub Assembly W/Ball Bearings
  59
- Manual 2100-597G
  59
Troubleshooting

60
- Checking Temperature Sensor
  60
- Troubleshooting Condensate Overflow Systems
  61
- Figure 33 Indoor Condensate Overflow Switch
  61
- Figure 34 Outdoor Condensate Sensor
  61
- Figure 35 Outdoor Condensate Control
  61
- Troubleshooting ECM 142R Outdoor Fan Motors
  62
- Manual 2100-597G
  62
- Cooling Mode
  63
  - Troubleshooting ECM™ Indoor Blower Motors
    64
  - Manual 2100-597G
    64
  - Figure 36 Control Disassembly
    65
  - Figure 37 Winding Test
    65
  - Figure 38 Drip Loop
    65
  - Manual 2100-597G
    65
  - Fan Blade Setting Dimensions
    66
  - Refrigerant Charge
    66
  - Figure 39 Control Connector Motor Half
    66
- Troubleshooting ECM™ Blower Motors
  66
- Power Connector
  66
- Manual 2100-597G
  67

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