United CoolAir 4CA1902 Manuals

Manuals and User Guides for United CoolAir 4CA1902. We have 1 United CoolAir 4CA1902 manual available for free PDF download: Installation Manual

United CoolAir 4CA1902 Installation Manual

United CoolAir 4CA1902 Installation Manual (40 pages)

AIR CONDITIONING UNITS 1 Ton – 15 Ton Air-Cooled Water-Cooled Heat Pump

Brand: United CoolAir | Category: Air Conditioner | Size: 3 MB

Table of Contents

Table of Contents
3
SECTION 1 - DIMENSIONAL DRAWINGS Figure 1: Dimension Drawing

4
Section 2 - Unit Components

6
- Panels and Control Box Covers Removed
  7
Section 3 - General Information

9
- Inspection of Equipment
  9
- Handling
  9
- Location
  9
- Mounting and Setting in Place
  9
Section 4 - Installation

9
- Compressor Mounting - Warning (2 Ton and Up)
  10
- Separation of Sections
  10
  - Coupling
    11
  - Interconnect
    12
- Package Unit
  14
- Duct Connection
  14
- Split System
  14
- Pressure Switches
  14
- Water-Cooled Condensing Units
  14
- Condensate Drain Connection
  15
Section 5 - Maintenance Procedures

16
- Filters
  16
- Cleaning the Water-Cooled Condenser
  16
- Blowers
  18
- Blower Motors
  18
- Blower Speed Adjustment
  18
- Blower Motor Lubrication
  18
- Belts
  19
- Refrigerant Systems
  19
- Evaporator and Air-Cooled Condenser Coils
  19
- Minimum Service Access
  19
- Application Data
  19
- Positive Temperature Coefficient Resistor
  20
SECTION 6 - PHYSICAL DATA Figure 21: Physical Data Table

21
Section 7 - Sequence of Operation

23
Section 8 - Options

25
- Condensate Pump
  25
- Thermostat
  25
- Checking Hot Gas Bypass Valve
  25
- Adjustment of Hot Gas Bypass Valve
  26
- Marvel Microprocessor Controller
  26
- Humidifier
  26
- Electric Heat
  26
- Electric Reheat
  27
- Steam Coil
  27
- Hot Water Coils
  27
- Low Ambient Damper Control
  27
- Economizer Operation (Airside)
  29
- Economizer Operation (Waterside)
  29
- Condensing Section Modification for Outside Installation
  29
- Vertical Stacking Units
  30
SECTION 9 - TROUBLESHOOTING Troubleshooting Chart

34
- Sections
  
  38
Nomenclature

40
- C Series Basic Unit Model Designation
  40

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