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30GTN210
Carrier 30GTN210 Manuals
Manuals and User Guides for Carrier 30GTN210. We have
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Carrier 30GTN210 manual available for free PDF download: Operation And Service Manual
Carrier 30GTN210 Operation And Service Manual (96 pages)
Air-Cooled Reciprocating Liquid Chillers with ComfortLink Controls 50/60 Hz
Brand:
Carrier
| Category:
Chiller
| Size: 2.61 MB
Table of Contents
Table of Contents
1
Safety Considerations
1
General
2
Introduction
2
Unit Sizes and Modular Combinations
3
Major System Components
3
General
3
Main Base Board (MBB)
3
Expansion Valve (EXV) Board
3
Compressor Expansion Board (CXB)
3
Scrolling Marquee Display
3
Energy Management Module (EMM)
3
Enable/Off/Remote Contact Switch
3
Emergency On/Off Switch
3
Thermistor Designations
4
Control Module Communication
4
Carrier Comfort Network Interface
4
Status Switches
5
Output Relay
5
Typical Control Box
6
Operating Data
11
Sensors
11
T3,T4 - Saturated Condensing Temperature Sensors
11
T5,T6 - Cooler Suction Temperature Sensors
11
T7,T8 - Compressor Suction Gas Temperature Sensors
11
T9 - Outdoor-Air Temperature Sensor
11
T10 - Remote Space Temperature Sensor
14
Thermostatic Expansion Valves (TXV)
15
Compressor Protection Control System
15
(CPCS) or Control Relay (CR)
15
Compressor Ground Current Protection Board (CGF) and Control Relay (CR)
15
Electronic Expansion Valve (EXV)
16
Energy Management Module
16
Capacity Control
16
Minutes off Time
26
Lead/Lag Determination
26
Capacity Sequence Determination
26
Capacity Control Overrides
26
Head Pressure Control
27
Units with Txv
27
Pumpout
27
Exv Units
27
Txv Units
27
Marquee Display Usage
29
Service Test
29
Configuring and Operating Dual Chiller
29
Control
29
Loading Sequence
37
Temperature Reset
43
Cooling Set Point (4 to 20 Ma)
45
Demand Limit
46
DEMAND LIMIT (2-Stage Switch Controlled)
46
4 To 20 Ma Controlled
46
Externally Powered Demand Limit
46
DEMAND LIMIT (CCN Loadshed Controlled)
46
Troubleshooting
47
Compressor Protection Control System
47
(CPCS) Board
47
Compressor Ground Current (CGF) Board
47
And 330A/B-420A/B)
47
EXV Troubleshooting
47
Step 1 - Check Processor Exv Outputs
47
Step 3 - Check Resistance of Exv Motor
47
Windings
47
Step 4 - Check Thermistors that Control Exv
47
Step 5 - Check Operation of the Exv
48
Alarms and Alerts
48
Alarm and Alert Codes
49
Service
53
Electronic Components
53
Compressors
53
Oil Charge
53
Cooler
53
Cooler Removal
53
Replacing Cooler
54
Servicing the Cooler
54
Condenser Coils
56
Condenser Fans
57
Refrigerant Feed Components
58
Electronic Expansion Valve (Exv)
58
Moisture-Liquid Indicator
58
Filter Drier
58
Liquid Line Solenoid Valve
58
Liquid Line Service Valve
58
Thermistors
59
Location
59
Replacing Thermistor T2
59
Replacing Thermistors T1,T5,T6,T7, and T8
59
Thermistors T3 and T4
59
Thermistor/Temperature Sensor Check
59
Safety Devices
64
Compressor Protection
64
Low Oil Pressure Protection
64
Cooler Protection
64
Crankcase Heaters
64
Relief Devices
65
High-Side Protection
65
Pressure Relief Valves
65
Other Safeties
65
Pre-Start-Up
65
System Check
65
Start-Up and Operation
66
Actual Start-Up
66
Operating Limitations
66
Temperatures
66
Voltage
66
Minimum Fluid Loop Volume
66
Flow Rate Requirements
67
Operation Sequence
67
Refrigerant Circuit
67
Field Wiring
67
Control Wiring
68
Appendix A - Ccn Tables
71
Appendix A — Ccn Tables
79
Appendix B - Fluid Pressure Drop
80
Curves
80
All Units
96
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