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Manuals and User Guides for Carrier 30HCX. We have
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Carrier 30HCX manual available for free PDF download: Installation, Operation And Maintenance Instructions
Carrier 30HCX Installation, Operation And Maintenance Instructions (36 pages)
Screw-Compressor Air- and Water-Cooled Liquid Chillers
Brand:
Carrier
| Category:
Chiller
| Size: 4.54 MB
Table of Contents
Table of Contents
2
1 Safety Considerations
4
General
4
Avoiding Electrocution
4
2 General Description
4
Abbreviations Used
4
3 Hardware Description
5
General
5
Electronic Boards
5
The Basic Board
5
Slave Boards
5
The User Interface
6
Connections between Boards
6
Slave Board Address
6
Power Supply to the Boards
6
Light Emitting Diodes on Boards
7
The Controls
7
Electronic Expansion Valve EXV
7
The Head Pressure Controls
7
The Evaporator Pump
7
The Condenser Pump
7
The Evaporator Heater
7
Pressure Sensors
7
Thermistors
8
Connections at Customer's Terminal Block
8
Fault Reporting on Circuits a and B
8
Evaporator Pump Contactor Control
8
Condenser Pump Contactor Control
8
Evaporator Heater Contactor Control
9
Remote Start/Stop Volt-Free Contact
9
Remote Volt-Free Contact for Cooling Temperature Setpoint Selection
9
Remote Heat/Cool Volt-Free Contact
9
Remote Heat Reclaim Volt-Free Contact
9
Demand Limit Volt-Free Contact
9
Evaporator Water Loop Control and Condenser Water Flow or Thermostat Box Control Volt-Free Contacts
9
0-10 V D.C. Input for Setpoint Reeset or Demand Limit
10
Condenser Water Valve Control Contacts
10
24 V A.C. Contact
10
Connections to the CCN
10
Heat Reclaim Condenser Water Valve Connection
10
4 Setting up Pro-Dialog Plus Control
11
General
11
Main Interface
11
Description
11
Operating Types
11
Displaying/Modifying a Menu Item
12
Description of the INFORMATION Menu
15
Description of the TEMPERATURES Menu
17
Description of the PRESSURE Menu
17
SETPOINT Menu
18
Description of the INPUT Menu
21
Description of the OUTPUT/TEST Menu
23
Description of the CONFIGURATION Menu
24
Description of the ALARMS Menu
25
Description of the ALARMS HISTORY Menu
26
Description of the OPERATING LOG Menu
26
Default User Interface Display
26
Summary Interface
27
General
27
Description of the Leds
27
The Push Buttons
27
5 Pro-Dialog Plus Control Operation
28
Start/Stop Control
28
Heating/Cooling Selection
28
Evaporator Water Pump Control
28
Condenser Water Pump Control
28
Control Point
28
Active Setpoint
28
Reset
28
Demand Limit
28
Capacity Control
29
Determining the Lead Circuit
29
Circuit Loading Sequence
29
Compressor Start-Up Sequence in One Circuit
29
Controlling the EXV
29
Motor Cooling Valve Control
30
Head Pressure Control on Air-Cooled Units
30
Head Pressure Control on Water-Cooled Units
30
Head Pressure Setpoint Selection
30
High Pressure Load Shedding Function
30
Start-Up Procedure - Prelubrication
30
Master/Slave Assembly
30
General
30
Balancing Running Times between Master and Slave
31
Staring the Follower Unit
31
Abnormal Operating Conditions
31
Controlling a Pro-Dialog Unit with a System Manager
31
Optional Heat Reclaim Module
31
6 Diagnostics - Troubleshooting
32
General
32
Displaying Alarms
32
Resetting Alarms
32
Description of the Alarm Codes
32
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