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68RF50 Neoplan-LA
User Manuals: Carrier 68RF50 Neoplan-LA Conditioning
Manuals and User Guides for Carrier 68RF50 Neoplan-LA Conditioning. We have
1
Carrier 68RF50 Neoplan-LA Conditioning manual available for free PDF download: Operation And Service Manual
Carrier 68RF50 Neoplan-LA Operation And Service Manual (44 pages)
Carrier Bus Air Conditioning Unit
Brand:
Carrier
| Category:
Air Conditioner
| Size: 0 MB
Table of Contents
Table of Contents
3
1 Description
6
Introduction
6
Electrical Control Panel Components for Models with Rotron Brushless Motors
9
Refrigeration System Component Specifications
10
Reheat Coolant Valve
10
Electrical Specifications
11
Safety Devices
11
System Operating Controls and Components
12
Reheat Coolant Valve
14
Liquid Line Solenoid Valve
14
Moisture/Liquid Indicator
14
Heater Coolant Flow Cycle
14
Heater Coolant Flow Diagram
14
Refrigeration Flow Cycle
15
Refrigeration Cycle Diagram
15
2 Operation
16
Starting and Stopping Instructions
16
Pre-Trip Inspection
16
Unit Operation
16
Cooling (Air Conditioning) Cycle Operation - Reheat Control
17
Temperature Controller Sequence During Cooling Mode
17
Temperature Controller Sequence During Cooling with Reheat Mode
17
Heat Operation
18
Temperature Controller Sequence During Heating Mode
18
Cooling Cycle - High Speed Vent Mode Operation
19
High Speed Unloaded (2-Cylinder Operation) Cool Mode Operation
20
High Speed Semi-Loaded (4-Cylinder Operation) Cool Mode Operation
21
High Speed Fully Loaded (6-Cylinder Operation) Cool Mode Operation
22
High Speed Unloaded (2-Cylinder Operation) Cool with Reheat Mode Operation
23
Heating Cycle - Low Speed Heat Mode Operation
24
5 Electrical
25
Abnormal Noise and Vibrations
26
Abnormal Noise
26
Abnormal Vibration
26
Temperature Controller Malfunction
26
Expansion Valve Malfunction
26
No Heating or Insufficient Heating
27
3 Troubleshooting
25
Unit will Not Cool
25
Unit Runs but Has Insufficient Cooling
25
Abnormal Pressure
25
Compressor
25
4 Service
28
Maintenance Schedule
28
Suction and Discharge Service Valves
28
Manifold Gauge Set
28
Suction or Discharge Service Valve
28
System Pumpdown
29
Removing Refrigerant Charge
29
Gauge Manifold Set
29
Refrigerant Leak Check
30
Evacuation and Dehydration
30
Evacuation Manifold
31
Adding Refrigerant to System
32
Checking Refrigerant Charge
32
Evacuation Set-Up
32
Checking Pressure Switches
33
Filter Drier Removal
33
Checking High Pressure Switch
33
Thermostatic Expansion Valve
34
Removing the Heater Coil
35
Replacement of Evaporator Coil
35
Thermostatic Expansion Valve Bulb and Thermocouple
35
Servicing the Reheat Coolant Valve
36
Reheat Coolant Valve Assembly
36
Servicing the Liquid Line Solenoid Valve
37
Removing the Condenser Fan Motor
37
Liquid Line Solenoid Valve - Alco
37
Servicing the Evaporator Fan Blower Motor Assembly
38
Replacing the Return Air Filters
38
Replacing the Compressor
38
Checking the Compressor Oil Level
39
Adding Oil to the Installed Compressor
39
Adding Oil to Service Replacement Compressor
40
Compressor Oil Charge Connections
40
Compressor - Model O5G
40
ELECTRICAL 5.1 Introduction
42
Electrical Wiring Schematic Diagram (68RF50 with Rotron Brushless Motors)
43
Dwg. No. C-070-935, Rev C
43
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