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United CoolAir
Air Conditioner
C Series
United CoolAir C Series User Manual
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Installa
tion Manual
“C” SERIES HORIZONT
AL
AIR CONDITIONING UNITS
1 T
on – 15 T
on
Air-Cooled • W
a
ter
-Cooled • Hea
t Pump
for
590A
2
Table of Contents
Default Chapter
3
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
Cooling Sequence of Operation
23
Heating Sequence of Operation (Other than Heat Pump)
23
Heat Pump Heating Sequence of Operation
24
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
4
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United CoolAir C Series Specifications
General
Brand
United CoolAir
Model
C Series
Category
Air Conditioner
Language
English
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