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61WG 090
Carrier 61WG 090 User Manual
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INST
ALLA
TION, OPERA
TION AND
MAINTENANCE INSTRUCTIONS
W
ater
-Cooled/Condenserless
Liquid Chillers/W
ater
-Sourced Heat Pumps
with or without Integrated Hydronic Module
61WG/30WG/30GA 020-090
Original document
Nominal cooling capacity 25-95 kW
Nominal heating capacity 29-117 kW
Unit with optional hydronic module
Standard unit
PRO-DIALOG
2
Table of Contents
Default Chapter
2
Table of Contents
2
1 Introduction
5
Installation Safety Considerations
5
Equipment and Components under Pressure
6
Maintenance Safety Considerations
6
Repair Safety Considerations
7
Measures, Provisions, Procedures against Emergencies
9
2 Preliminary Checks
9
Check Equipment Received
9
Moving and Placing the Unit
9
3 Dimensions, Clearances
11
61WG/30WG 020-045 - Standard Unit
11
61WG/30WG 020-045 - Unit with Top Connections (Option 274)
11
61WG/30WG 020-045 - Unit with Evaporator Hydronic Module (Option 116)
12
61WG/30WG 020-045 - Unit with Condenser Hydronic Module (Option 270)
12
61WG/30WG 020-045 - Unit with Evaporator/Condenser Hydronic Modules (Options 116 + 270)
12
61WG/30WG 020-045 - Unit with Hydronic Module and Top Connections (Options 116 + 274 or 270 + 274 or 116 + 270 + 274)
13
61WG/30WG 020-045 - Stackable Unit (Option 273)
13
61WG/30WG 050-090 - Standard Unit
14
61WG/30WG 050-090 - Unit with Top Connections (Option 274)
14
61WG/30WG 050-090 - Unit with Evaporator Hydronic Module (Option 116)
15
61WG/30WG 050-090 - Unit with Condenser Hydronic Module (Option 270)
15
61WG/30WG 050-090 - Unit with Evaporator/Condenser Hydronic Modules (Options 116 + 270)
15
61WG/30WG 050-090 - Unit with Hydronic Module and Top Connections (Options 116 + 274 or 270 + 274 - 116 or 270 + 274)
16
61WG/30WG 050-090 - Stackable Unit (Option 273)
16
30WGA 020-045 - Standard Unit
17
30WGA 020-045 - Unit with Evaporator Hydronic Module (Option 116)
17
30WGA 020-045 - Stackable Unit (Option 273)
18
30WGA 050-090 - Standard Unit
18
30WGA 050-090 - Unit with Evaporator Hydronic Module (Option 116)
19
30WGA 050-090 - Stackable Unit (Option 273)
19
4 Physical and Electrical Data 61Wg/30Wg
20
Physical Data 61WG
20
Physical Data 30WG
20
Physical Data 30WGA
21
Physical Data 61WG/30WG/30WGA Units with Hydronic Module
21
Electrical Data 61WG/30WG/30WGA
22
Short-Circuit Stability Current (TN System*) - Standard Unit (with Main Disconnect Switch)
22
Electrical Data, Optional Hydronic Module
23
Compressor Usage and Electrical Data Table
24
5 Application Data
25
Operating Limits 61WG
25
Operating Range 61WG
25
Operating Limits 30WG
25
Operating Range 30WG
25
Operating Limits 30WGA
26
Operating Range 30WGA
26
Minimum Chilled Water Flow
26
Maximum Chilled Water Flow
26
Variable Flow
26
Water Flow Rates
26
Minimum Water Volume
27
Maximum Water Loop Volume (Evaporator and Condenser Side)
27
Expansion Tank
27
Protection against Cavitation (Option 116)
28
Plate Heat Exchanger Pressure Drop (Includes Internal Piping)
28
6 Electrical Connection
29
Electrical Connections, Control Box 61WG/30WG/ 30WGA
29
Power Supply
29
Voltage Phase Imbalance (%)
29
Recommended Wire Sections
29
24 V User Power Reserve
31
30 Wga Unit Connections
31
Recommendations for the Installation of Liquid Chillers with Remote Condenser
31
Piping Installation and Connection
31
8 Pipe Sizing with Refrigerant for 30Wga Units
32
General Considerations and Pipe Size Limits
32
Pipe Sizing
32
Discharge Pipe Sizing
32
Liquid Line Sizing
33
9 Water Connections
33
Operating Precautions
33
Water Connections
34
Frost Protection
35
Flow Switch (Units Without Hydronic Module)
35
10 Nominal Water Flow Control with Fixed-Speed Pump
35
General
35
Water Fow Control Procedure
35
11 Nominal Water Flow Control with Variable-Speed Pump
36
Pump Fow/Pressure Curve
36
Available External Static Pressure
37
Available External Static Pressure (Fixed-Speed Low-Pressure Pumps, Units with Hydronic Module)
38
Pump Curve (Units with Hydronic Modules)
39
12 Operation of 61Wg Units with Specific Heating Control (Option 153)
39
Operating Principle
39
Auxiliary Electronic Board (AUX1) - Analogue and Digital Inputs and Outputs
39
13 Operation of 61Wg Units with the Heating System Manager (Hsm)
40
30 Wg Unit Operation with a Drycooler (Option 154)
41
Operating Principle
41
Auxiliary Electronic Board (AUX1) - Analogue and Digital Inputs and Outputs - to Control the Drycooler
41
Configuration of the Number of Fan Stages and the Automatic Changeover of the Fan Stages
41
Fan Stage Assignment
41
30WG Units Without Evaporator and Condenser Pump, Three-Way Valve Configuration for Low Outside Temperature Application
42
Drycooler Installation on 30WG Units
42
30 Wga Unit Operation with a Remote Air-Cooled Condenser (Option 154)
42
Operating Principle
42
Lead Fan
42
Auxiliary Electronic Board (AUX1) - Analogue and Digital Inputs and Outputs - to Control the Remote Air-Cooled Condenser
42
Configuration of the Number of Fan Stages and Fan Type Based on the Air-Cooled Condenser Model Used in the Installation
42
16 Start-Up
43
Preliminary Checks
43
Actual Start-Up
43
Refrigerant Charge Adjustment
43
Oil Charge Adjustment
44
Operation of Two Units in Master/Slave Mode (Option 58)
44
Parallel or Serial Connection of Two 61WG/30WG/ 30WGA Units
44
17 Major System Components and Operation Data
44
Compressors
44
Lubricant
45
Evaporators and Water-Cooled Condensers
45
Electronic Expansion Valve (EXV)
45
Refrigerant
45
High-Pressure Switch and High-Pressure Sensor
46
High and Low-Pressure Side Safety Valves
46
Moisture Indicator
46
Filter Drier in the Refrigerant Circuit
46
Fixed-Speed Pump
47
Variable-Speed Pump
47
Evaporator and Condenser Pump Suction Filter
47
Connection Sleeves
47
Option 272: High-Temperature Water Production with Glycol Solution
47
Outside Air Temperature Sensor
47
18 Options and Accessories
48
19 Maintenance
49
Soldering and Welding
49
General System Maintenance
49
Refrigerant Undercharge
49
Refrigerant Guidelines
49
Leak Detection
50
Evacuation
50
Recharging Liquid Refrigerant
50
Characteristics of R-410A
50
Electrical Maintenance
51
Tightening Torques for the Main Electrical Connections
51
Tightening Torques for the Main Bolts and Screws
51
Compressors
51
Evaporator and Condenser Maintenance
51
Corrosion Check
51
20 Aquasnap Maintenance Program
52
Maintenance Schedule
52
Description of the Maintenance Operations
52
21 Start-Up Ckecklist for 61Wg/30Wg/30Wga Units (Use for Job File)
53
4
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Carrier 61WG 090 Specifications
General
Brand
Carrier
Model
61WG 090
Category
Air Conditioner
Language
English
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