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ATW-25
Maritime Geothermal ATW-25 Manuals
Manuals and User Guides for Maritime Geothermal ATW-25. We have
1
Maritime Geothermal ATW-25 manual available for free PDF download: Installation And Service Manual
Maritime Geothermal ATW-25 Installation And Service Manual (101 pages)
Reversing Air to Water Heat Pump, Two-Stage R410a, Sizes 25-75
Brand:
Maritime Geothermal
| Category:
Heat Pump
| Size: 22.83 MB
Table of Contents
Table of Contents
4
Tables & Documents
5
ATW System Description
6
General Overview
6
Heating Mode
6
Defrost Operation
6
Cooling Mode
6
ATW Sizing
7
Air Source Heat Pumps
7
Heat Pump Sizing
7
Auxiliary Heat Sizing
7
Table 1 - Heat Pump Size Vs. Heated Area
7
Table 2 - Auxiliary Heat Sizing
7
Installation Basics
8
Sample Bill of Materials
8
Unpacking the Unit
8
Indoor Unit Placement
8
Outdoor Unit Placement
9
Outdoor Fan Speed Reduction
9
Outdoor Unit Mounting Height
9
Average Max. Snow Depth Map - Canada
10
Wiring
11
Indoor Unit Power Supply Connections
11
Outdoor Unit: Power Connections
11
Indoor Loop Circulator Pump Wiring
11
Control Transformer
11
Bacnet Connections
11
Table 3 - Power Supply Connections
11
Table 4 - Outdoor Unit Power Supply Connections
11
Table 5 - Indoor Loop Circulator Connections
11
Table 6 - Control Transformer
11
Outdoor Unit: Signal Connections
12
Setpoint Control Connections
12
Setpoint Control: Aux. Connections
12
Aquastat Connections (Optional)
12
Disable Switch (Field Installed)
12
Table 8 - Outdoor Unit Signal Connections
12
Table 9 - Setpoint Control Connections
12
Table 10 - Setpoint Control: Aux. Connections
12
Table 11 - Aquastat (Signals Control) Connections
12
002019CDG - Typ. ATW Series Wiring
13
002375QSS - Eco Ultra Tanks: Getting Started
14
002067CDG - Typ. Heating Only Zone Wiring (Setpoint)
15
002068CDG - Typ. Htg/Cooling Zone Wiring (Setpoint)
16
002069CDG - Typ. Heating Only Zone Wiring (Signals)
17
002070CDG - Typ. Htg/Cooling Zone Wiring (Signals)
18
Piping
19
Number of Tanks
19
Indoor Loop Water Lines
19
Domestic Hot Water (Desuperheater) Connections
19
Table 12 - Buffer Tank Size
19
002239PDG - Typical Piping Connections - ATW Series
20
002366PDG - Recommended Buffer Tank Piping
21
002252PDG - Two Tank Piping with a Rev. Heat Pump
22
002367PDG - Auxiliary Boiler Piping
23
000530PDG - Typical Zone Types
24
001055PDG - Connection to On-Demand DHW Tank
25
000970PDG - Desup. Conn. to DHW Pre-Heat Tank
26
Outdoor Unit Line Set
27
Line Set Interconnect Tubing
27
Oil Traps
27
Pipe Insulation
27
Silver Soldering Line Sets
27
Pressure Testing
27
Vacuuming the System
27
Table 13 - Interconnect Line Set Sizing
27
Charging the System
28
Table 14 - Extra Charge Required
28
Table 15 - Extra Charge (Sizes 25-45)
28
Table 16 - Extra Charge (Sizes 55-75)
28
001983CDG - Typical ATW Line Set Connections
29
Operation
30
Bacnet Control
30
Signals / Hardwired Control
30
Setpoint Control
30
Setpoint Control Method 1 - Indoor Loop (ICR) One Tank
30
Typical Temperature Settings
31
Top up S1 Function
31
Summer Setback
31
Hydronic Auxiliary in Defrost
31
Table 17 - Typical Temperature Setpoints
31
Table 18 - Maximum Output Temperature
31
Outdoor Reset
32
Setpoint Control Method 2 - Indoor Loop (ICR), 2 Tanks
32
Setpoint Control Method 3 - External HTS/CTS, One Tank
33
Setpoint Control Method 4 - External HTS/CTS, 2 Tanks
34
PC Application (PC App)
35
PC Application Menus
35
LCD Interface & Menus
47
Bacnet Interface
49
Table 19 - Bacnet Objects - Control Signals (Read/Write)
49
Table 20 - Bacnet Objects - Operation Mode Description (Read Only)
49
Table 21 - Bacnet Objects - Data (Read Only)
50
Table 22 - Bacnet Objects - Alarm Descriptions (Read Only)
51
Table 23 - Bacnet Objects - Fault Descriptions (Read Only)
52
Startup Procedure
53
Pre-Start Inspection
53
Unit Startup
54
Startup Record
55
General Maintenance
56
Troubleshooting Guide
57
Troubleshooting Tools
65
Repair Procedures
66
Model Specific Information
67
Shipping Information (Indoor Unit)
67
Shipping Information (Outdoor Unit)
67
Refrigerant Charge
67
Indoor Loop Flow Rates
67
Operating Temperature Limits
67
Outdoor Unit Sound Levels (Dba)
67
Indoor Unit Sound Levels (Dba)
67
Table 24 - Shipping Information (Indoor Unit)
67
Table 25 - Shipping Information (Outdoor Unit)
67
Pressure Drop Data
68
Table 31: Loop Pressure Drop Data
68
Standard Capacity Ratings
70
Table 32 - Standard Capacity Ratings - Heating
70
Table 33 - Standard Capacity Ratings - Cooling
70
Performance Tables: ATW-25
71
Performance Tables: ATW-45
72
Performance Tables: ATW-55
73
Performance Tables: ATW-65
74
Performance Tables: ATW-75
75
Electrical Specifications
76
Table 34 - ATW-Series Electrical Data
76
Wiring Diagram (208/230-1-60)
77
Electrical Box Layout (208/230-1-60)
78
Wiring Diagram (208-3-60)
79
Electrical Box Layout (208-3-60)
80
Wiring Diagram (460-3-60)
81
Electrical Box Layout (460-3-60)
82
ACE-45/55 Wiring Diagram
83
ACE-65/75 Wiring Diagram
83
ATW-Series Refrigeration Circuit - Heating Mode
84
ATW-Series Refrigeration Circuit - Cooling/Defrost Mode
85
Dimensions: ATW-25/45
86
Dimensions: ATW-55
88
Dimensions: ATW-65/75
90
Appendix A: Control Board Description
92
Table A1 - Control Board Connector Descriptions (Top)
93
Table A2 - Control Board Connector Descriptions (Left Side)
93
Table A3 - Control Board Connector Descriptions (Bottom)
94
Table A4 - Control Board Connector Descriptions (Right Side)
95
Appendix B: USB Driver Installation
96
Appendix C: PC App Installation
97
Appendix D: Updating Firmware
98
Updating Firmware Via PC App
98
Updating Firmware Via Jumper Pins
100
Warranty
101
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