Nordic WH-140 Manuals

Manuals and User Guides for Nordic WH-140. We have 1 Nordic WH-140 manual available for free PDF download: Application, Installation & Selection Manual

Nordic WH-140 Application, Installation & Selection Manual (110 pages)

Single Compressor Water to Water Heat Pumps

Brand: Nordic | Category: Heat Pump | Size: 30 MB

Table of Contents
5
Tables & Documents
6
System Description
7
W-Series Vs. WH-Series
7
Two Different Heat Pump Layouts
7
Model Sizes 90/100: Coaxial Coils
7
Model Sizes 120/140/180/235: Brazed Plates, DHW
7
Space Heating Mode
8
Space Cooling Mode
8
DHW Heating (DHW Water Temperature)
8
Installation Basics
9
Unpacking the Unit
9
Unit Placement
9
General Bill of Materials
9
Wiring
10
Power Supply Connections
10
Indoor Loop Circulator Pump Wiring
10
Outdoor Loop Circulator Pump Wiring
10
Outdoor Loop Water Valve Wiring
10
Table 1 - Power Supply Connections
10
Table 2 - Indoor & Outdoor Circulator Connections
10
Indoor Loop Water Valve Wiring
11
Control Transformer
11
Bacnet Control Connections
11
Setpoint Control Connections
11
Table 3 - Water Valve Connections
11
Table 4 - Bacnet Connections
11
Table 5 - Setpoint Control Connections
11
Setpoint Control: Aux. Connections
12
Signals/Hardwired Control Connections
12
Disable Switch (Field Installed)
12
Other Connections
12
Table 6 - Setpoint Control: Aux. Connections
12
Table 7 - Signals Control Connections
12
Table 8A - Typical W-Series Aquastat Settings
12
Table 8B - Typical WH-Series Aquastat Settings
12
002188CDG - Typ. GEN2 Indoor Circ. Connections
13
002067CDG - Typ. Heating Only Zone Wiring (Setpoint)
14
002069CDG - Typ. Heating Only Zone Wiring (Signals)
15
Piping & Loop Information
16
Loop/Direct DHW Connections
16
Direct Heating of DHW
16
Headers for Multiple Units
16
Table 9 - Connection Sizes
16
Table 10 - Buffer or DHW Tank Size
16
Table 11 - Header Size for W/WH-90/100
16
Table 12 - Header Size for W/WH-120/140/180/235
16
Ground Loop Systems
17
Open Loop Systems
17
Well Water Quality
17
Modulating Water Valve
17
Desuperheater Connections (90/100 Only)
18
002366PDG - Recommended Buffer Tank Piping
19
002367PDG - Auxiliary Boiler Piping
20
002528PDG - Buffer Tank Piping - Multiple Units
21
002545PDG - DHW Tank Piping for Direct DHW Heating
22
002252PDG - Two Tank Piping with a Rev. Heat Pump
23
002288PDG - Two Tank Simultaneous Heating/Cooling
24
001680PDG - Two Tank Sim. Heating/Cooling (Diverting)
25
000530PDG - Typical Zone Types
26
000970PDG - Desup. Connection to DHW Pre-Heat Tank
27
002384PDG - Desup. Connection - Multiple Units
28
Operation
29
Bacnet Control
29
Signals / Hardwired Control
29
Setpoint Control
29
Setpoint Control Method 1 - Indoor Loop (ICR) One Tank
29
Setpoints
30
Summer Setback
30
Table 12A - Typical W-Series Setpoints
30
Table 12B - Typical WH-Series Setpoints
30
Outdoor Reset
31
Setpoint Control Method 2 - Indoor Loop (ICR), 2 Tanks
32
Setpoint Control Method 3 - External HTS/CTS, One Tank
33
A) Heat Pump Mode
33
B) Chiller Mode
34
Table 13 - Typical Setpoints: HTS/CTS Method, Chiller Mode
34
Setpoint Control Method 4 - External HTS/CTS, 2 Tanks
35
PC Application (PC APP)
36
PC Application Menus
36
LCD Interface & Menus
48
Bacnet Interface
50
Table 14 - Bacnet Objects - Control Signals (Read/Write)
50
Table 15 - Bacnet Objects - Operation Mode Description (Read Only)
50
Table 16 - Bacnet Objects - Limits Description (Read Only)
50
Table 17 - Bacnet Objects - Data (Read Only)
51
Table 18 - Bacnet Objects - Alarm Descriptions (Read Only)
52
Table 19 - Bacnet Objects - Fault Descriptions (Read Only)
53
Startup Procedure
54
Pre-Start Inspection
54
Unit Startup
55
Startup Record
56
Routine Maintenance
57
Troubleshooting Guide
58
Repair Procedures
67
Pumpdown Procedure
67
General Repair Procedure
67
Vacuuming & Charging Procedure
67
Compressor Replacement Procedure
68
Control Board Replacement Procedure
69
LCD Interface (Display) Board Replacement Procedure
70
Model Specific Information
71
Recommended Flow Rates
71
Heat Pump Holdup Volumes
71
Refrigerant Charge
71
Shipping Information
71
Table 20 - Recommended Flow Rates
71
Table 21 - Heat Pump Holdup Volumes
71
Table 22 - Refrigerant Charge
71
Table 23 - Shipping Information
71
Operating Temperature Limits
72
Table 24A - W-Series Operating Temperature Limits
72
Table 24B - WH-Series Operating Temperature Limits
72
Loop Pressure Drop Data (US Units)
73
Table 25: Pressure Drop Data (US UNITS)
73
Loop Pressure Drop Data (Metric Units)
74
Table 26: Pressure Drop Data (METRIC UNITS)
74
Standard Capacity Ratings - W-Series
75
Table 27 - W-Series Standard Capacity Ratings
75
Performance Tables: W-90
76
Performance Tables: W-100
77
Performance Tables: W-120
78
Performance Tables: W-140
79
Performance Tables: W-180
80
Performance Tables: W-235
81
Performance Tables: WH-90
82
Performance Tables: WH-100
83
Performance Tables: WH-120
84
Performance Tables: WH-140
85
Performance Tables: WH-180
86
Performance Tables: WH-235
87
Electrical Specifications - W Series
88
Table 28 - W-Series Electrical Specifications
88
Electrical Specifications - WH Series
89
Table 29 - WH-Series Electrical Specifications
89
Electrical Diagrams (All Voltages)
90
Refrigeration Circuit Diagrams
93
Dimensions
99
Appendix A: Control Board Description
100
Table A1 - Control Board Connector Descriptions (Top)
101
Table A2 - Control Board Connector Descriptions (Left Side)
101
Table A3 - Control Board Connector Descriptions (Bottom)
102
Table A4 - Control Board Connector Descriptions (Right Side)
103
Appendix B: USB Driver Installation
104
Appendix C: PC App Installation (Win11)
105
Appendix D: PC App Installation (Win10)
106
Appendix E: Updating Firmware
107
Warranty
110

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Nordic WH-140 Application, Installation & Selection Manual (110 pages)

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