Johnson Controls DSV120C Manuals

Manuals and User Guides for Johnson Controls DSV120C. We have 1 Johnson Controls DSV120C manual available for free PDF download: Installation, Operation And Maintenance Manual

Johnson Controls DSV120C Installation, Operation And Maintenance Manual

Johnson Controls DSV120C Installation, Operation And Maintenance Manual (88 pages)

Air-Cooled Self-Contained Units, C Generation with Smart Equipment Controller

Brand: Johnson Controls | Category: Air Conditioner | Size: 11 MB

Table of Contents

Table of Contents
3
General Safety Guidelines

5
- Important
  5
  - Read before Proceeding
    5
  - Safety Symbols
    5
  - Changeability of this Document
    7
  - Associated Literature
    7
  - Technical Support
    7
  - Replacement Parts
    7
  - Nomenclature
    8
Installation

9
- Pre-Installation Inspection of Equipment
  9
- Rigging
  11
- Installation Site
  11
  - Location
    11
- Unit Mounting
  12
- Evaporator/Condenser Assembly
  12
- Condensate Trap
  15
- Ductwork
  16
  - Air Temperature Sensors
    16
  - Louver Sizing Guidelines
    17
- Variable Frequency Drive (VFD)
  18
  - Indoor Fan VFD
    18
  - Outdoor Fan VFD
    19
- Hot Gas Bypass (HGBP)
  19
  - Adjusting HGBP Setpoint
    19
- Airside Economizer (ASE)
  19
  - Sequences of Operation
    20
- Dimensions
  20
- Discharge Plenum
  22
- Low Ambient Damper Installation
  24
- Evaporator Blower Discharge Conversion
  26
  - Converting the Fan Discharge
    26
- Electrical Wiring
  26
  - High Voltage Wiring
    26
  - Low Voltage Wiring
    27
- Electrical Data
  30
- Fan Performance
  32
- Motor and Pulley Data
  35
- Blower Speed Adjustment
  36
  - Adjusting the Blower Speed
    36
Start-Up and Operation

38
- Checking Superheat and Subcooling
  39
  - Subcooling
    39
  - Superheat
    40
  - Leak Checking
    40
- Start-Up (Cooling)
  41
  - Prestart Checklist
    41
  - Operating Instructions
    41
  - Post Start Checklist
    41
- Microprocessor Controller
  41
  - Temperature Sensors
    41
  - USB Port
    41
  - LCD Display
    42
  - Safety Monitoring
    42
  - Low Ambient
    42
  - Anti-Short Cycle Delay (ASCD) Protection
    42
  - Fan Delays
    42
  - Nuisance Trip Protection and Three Strikes
    42
  - Lead-Lag
    42
  - Condensate Overflow Switch
    42
  - Operation
    43
Maintenance and Service

45
- Evaporator and Condenser Coils
  45
- Refrigerant Circuits
  45
- Blowers
  45
- Drive Belts
  45
- Filters
  45
Appendices

47
R-410A Quick Reference Guide

87
Notes

88

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