Carrier DC-12175 Conditioning Equipment Manuals

Manuals and User Guides for Carrier DC-12175 Conditioning Equipment. We have 2 Carrier DC-12175 Conditioning Equipment manuals available for free PDF download: Installation Procedures Manual, Operation And Service

Carrier DC-12175 Installation Procedures Manual (104 pages)

Transport Air Conditioning, SPLIT SYSTEMS Generation 4 & 5

Brand: Carrier | Category: Air Conditioner | Size: 5 MB

Installation Procedures
1
Safety Summary
3
Table of Contents
8
Section

15
Condensers

15
Hose Routing

59
Section

76
Electrical

76
Mount Kits and Compressors

82
- Introduction
  82
- Installation
  82
  - Torque Specifications - Bolts
    83
  - Torque Specifications - Split System Electrical Panels
    83
- Drive Belt Installation
  83
- Compressor Installation
  85
  - Installation Position
    85
  - Installation Precautions
    85
  - Mounting Compressors
    85
  - Figure 6-8 Belt Tension Guide
    85
  - Oil Charge
    86
  - Figure 6-9 Compressor Mounting Angles
    86
Evacuation

87
Charging Procedures

90
- Introduction
  90
Table

93
- Table 8-5 CARRIER TRANSPORT AIR CONDITIONING SYSTEM PERFORMANCE CHART
  93
Section

94
Leak Checking

94
Final (Check-Out Sheet)

97
- Installation Check-Out
  97

Carrier DC-12175 Operation And Service (42 pages)

Large Split Systems

Brand: Carrier | Category: Air Conditioner | Size: 0 MB

Table of Contents
3
Safety Summary
6
Safety--1
6
Description
8
Introduction
8
Evaporator Section (EM--17)
8
Condensing Section
8
Compressor Assembly
8
Figure 1--1 Coach Cutaway View
9
Table 1--1 Model
9
Table 1--2 Additional Support Manuals
9
System Operating Controls and Components
10
Panel Assembly, Control Box
10
Figure 1--2 Panel Assembly, Control Box
10
Refrigerant System Component Specifications
11
Figure 1--3 Relay Board
11
Safety Devices
12
Electrical Specifications -- Evaporator (Em--17) Motor
12
ELECTRICAL SPECIFICATIONS -- Condenser (CM--5) Fan Motors
12
Electrical Specifications Sensors
12
Table 1--4 Safety Devices
12
Safety Devices
13
Air Conditioning Refrigeration Cycle
13
Figure 1--4 Refrigerant Flow Diageam (DC12175)
14
Figure 1--5 Refrigerant Flow Diagram DC12174
15
Operation
16
Starting Andstopping Instructions
16
Starting
16
Stopping
16
Pre--Trip--Inspection
16
Unit Operation
16
Temperature Control
16
Cooling Mode
16
Vent Mode
16
Compressor Unloader Control
16
Condenser Fan Control
17
Compressor Clutch Control
17
Liquid Line Solenoid Control
17
Sequence of Operation
17
Troubleshooting
19
System will Not Cool
19
System Runs but Has Insufficient Cooling
19
Abnormal Pressures
19
Figure 4--14 Compressor
19
Table 3-1 General System Troubleshooting Procedures
19
Abnormal Noise or Vibrations
20
Control System Malfunction
20
No Evaporator Air Flow or Restricted Air Flow
20
Expansion Valve Malfunction
20
Heating Malfunction
20
Service
21
Maintenance Schedule
21
Suction and Discharge Service Valves
21
Installing Manifold Gauge Set
22
Figure 4--1 Suction or Discharge Service Valve
22
System Pump down for Low Side Repair
23
Figure 4--3 Manifold Gauge Set (R-134A)
23
Refrigerant Removal from an Inoperative Compressor
24
Figure 4--4 Low Side Pump down Connections
24
Figure 4--5 Compressor Service Connections
24
Removing Entire System Charge
25
Refrigerant Leak Check
25
Evacuation and Dehydration
25
General
25
Procedure for Evacuation and Dehydrating System (Triple Evacuation)
25
Figure 4--6 System Charge Removal Connections
25
Procedure for Evacuation and Dehydrating System (One Time Evacuation)
26
Figure 4--7 Vacuum Pump Connections
26
Adding Refrigerant to System
27
Adding Full Charge
27
Adding Partial Charge
27
Checking for Noncondensibles
27
Checking and Replacing High or Low Pressure Switch
27
Figure
27
Figure 4--8 Checking High Pressure Switch
28
Figure 4--9 Condenser Cover Removal
28
Figure 4--10 Filter-Drier Removal
28
Figure 4--11 Liquid Line Solenoid Valve
29
Figure 4--12 Thermostatic Expansion Valve
30
Figure 4--13 Thermostatic Expansion Valve Bulb and Thermocouple
30
Table
30
Figure 4--15 Removing Bypass Piston Plug
31
Figure 4--16 Compressor Clutch
32
Table 4--1 Temperature Sensor Resistance
33
Figure 4-10. Electric Unloader Schematic
34
Table 4--2 R-134A Temperature - Pressure Chart
35
Figure 5--1 Electrical Control Panel Relay Board (RB) & Electronic Thermostat (TH) Outline Views
36
Figure 5--2 Schematic
37

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Carrier DC-12175 Conditioning Equipment Manuals

Carrier DC-12175 Installation Procedures Manual (104 pages)

Table of Contents

Section

Condensers

Figure

Figure

Figure

Hose Routing

Figure

Section

Electrical

Mount Kits and Compressors

Evacuation

Charging Procedures

Table

Section

Leak Checking

Final (Check-Out Sheet)

Carrier DC-12175 Operation And Service (42 pages)

Table of Contents

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