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Aerco TAG-0073 GF-146-G
Watts Aerco TAG-0073 GF-146-G Manuals
Manuals and User Guides for Watts Aerco TAG-0073 GF-146-G. We have
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Watts Aerco TAG-0073 GF-146-G manual available for free PDF download: Operation & Maintenance Manual
Watts Aerco TAG-0073 GF-146-G Operation & Maintenance Manual (170 pages)
Natural Gas and Propane Gas Modulating Condensing Boilers and Water Heaters
Brand:
Watts
| Category:
Boiler
| Size: 16.68 MB
Table of Contents
Table of Contents
2
Foreword
6
General Information
7
Warnings & Cautions
7
Emergency Shutdown
10
Functional Overview
11
Introduction
11
AM Water Heaters and Boilers
11
AM Rapid Recovery (AMR) Skid Option
11
Intended Use - Boilers
12
Intended Use - Water Heaters
12
Intended Use - Water Heaters and Boilers with Amr Option
12
Am Series Functional Schematics
13
AM 399 / 500 Functional Schematic
13
AM 750 Functional Schematic
14
AM 1000 Functional Schematic
15
AMR Functional Schematic
16
Main Components
17
Burner
17
AM Series 199 and 250 Main Components
19
AM Series 399 and 500 Main Components
22
AM Series 750 and 1000 Main Components
25
Installation - Site
29
Choosing the Installation Location
29
Boiler and Water Heater Installation Location Factors
30
Safety Concerns
31
Closet and Alcove Installation
31
Clearances for Installation and Servicing
31
Clearances to Combustible Material
32
Vent and Combustion Air Piping
33
Prevention of Combustion Air Contamination
33
Transporting the Unit
33
Unpacking and Transporting
33
Transporting a Standard am Unit
34
Transporting an AMR Water Heater
36
Amr Buffer Tank Installation
37
AMR Buffer Tank Installation Kits
37
Amr Buffer Tank Components
38
Buffer Tank Installation Overview
38
Removing the Amr Bracing Plate
39
Amr 80-Gallon Buffer Tank Installation
39
Amr 119-Gallon Buffer Tank Installation
41
Am Series Supply and Return Piping Dimensions
43
Standard am Supply and Return Piping Dimensions
43
AMR Supply and Return Piping Dimensions
44
Installation - Piping
45
Water Inlet and Outlet Piping
45
Water Quality
45
System Piping Methods - Boilers
45
Freeze Protection
46
Floor Radiant Heating Systems - Boilers
46
Piping Components - Boilers
46
Piping Components - Water Heaters
47
Safety Relief Valve
48
Low Water Cutoff (Lwco)
49
Expansion Tank and Makeup Water
50
Circulator Heating Pump
50
Domestic Hot Water System Piping with Direct Water Heater: Water Heaters
52
Scalding - Water Heaters
53
Condensate Disposal
55
Installation - Electrical
57
Electrical Connections - Boilers and Water Heaters
57
Power Supply Cable Connection - Boilers and Water Heaters
57
Connecting Units in Cascade - Boilers and Water Heaters
58
VDC Input Connections - Boilers and Water Heaters
58
MODBUS Interface Connections - Boilers and Water Heaters
59
Electrical Connections - Boilers Only
60
Enable/Disable - Boilers
60
Installing the Outdoor Temperature Sensor - Boilers
60
Indirect Water Heater Connection - Boilers
61
Indirect Water Heater Priority Selection - Boilers
61
Electrical Connections - Water Heaters Only
62
Storage Tank Connection - Water Heaters
62
Amr Rapid Recovery Option Wiring
62
Installation - Venting and Combustion Air Piping
65
Combustion Air Contamination Prevention
65
General Venting and Air Piping Systems
66
Min/Max Allowable Combustion Air and Vent Piping Lengths
68
General Venting and Combustion Air Piping Installation
68
Specific Vent Installations
68
Installations Requiring High Temperature Venting
69
Sealing of PVC, CPVC or ABS
70
PVC/CPVC Vent Piping Materials
70
Air Intake and Vent Starter Pieces
71
Single Pipe Venting (Room Air Combustion)
72
Determining Vent Termination Location
73
Sidewall Termination - Two Pipes
74
Combustion Air and Ventilation Openings
75
Two Permanent Openings Method
75
One Permanent Opening Method
75
Installing Vent and Air Piping into Sidewall
75
Sidewall Termination and Fittings
76
Multiple Vent and Air Terminations
76
Sidewall Termination - Concentric Vent
77
Sidewall Termination Installation
78
Multi-Venting Sidewall Terminations
79
Determining Location of Vertical Termination
80
Vertical Vent and Air Roof Termination Preparation
81
Installing Vertical Vent and Air Roof Terminations
81
Installing Multiple Vent and Air Vertical Terminations
82
Vertical Termination - Concentric Vent
83
Determining Location of Vertical Concentric Vent Termination
83
Multi-Venting Vertical Terminations
83
Installation - Natural Gas
85
Gas Supply Piping
85
Connection of Gas Supply Piping
85
Natural Gas Pipe Sizing
87
Natural Gas Supply Pressure Requirements
87
Propane Gas Pipe Sizing
87
Propane Gas Supply Pressure Requirements
87
Checking and Adjusting the Unit Inlet Gas Supply Pressure
88
High Altitude Operation
88
Conversion from Natural Gas to Propane Gas
88
Gas Conversion Kit
88
Gas Conversion Instructions
89
Unit Start-Up
93
Initial Start-Up Requirements
93
Filling the Condensate Neutralizer
93
Filling the Heating System
94
General Warnings Concerning the Gas Supply
94
Confirming the Unit's Gas Type
95
Gas Type Conversion
95
Identification of Controls
96
Boiler Startup Procedure
96
Water Heater Startup Procedure
97
Gas Supply Pressure Test
98
Combustion Calibration
100
Lost Ignition Procedure
101
Minimum Water Flow
101
Heating System Pressure Test
102
Operation
103
General Operation
103
Freeze Protection
104
Display Energy Saving Mode
104
Control Panel Display
104
Startup Procedure - Boilers
105
Boiler Summer Mode
105
Adjusting the Domestic Hot Water Temperature - Boilers
106
Heating System Temperature Adjustment - Boilers
106
Heating System Type Selection - Boilers
106
Outdoor Reset Adjustment - Boilers
106
Outdoor Reset: Setting Parameters
107
Outdoor Reset Activation
107
Boiler Delays, Alarms and Protective Actions
108
Boiler Circulator Pump Protection
108
Startup Procedure - Water Heaters
108
Adjusting the Storage Tank Temperature (Water Heaters)
109
User Menu
110
Installer Menu
111
Factory Menu
113
Diagnostics - Display Messages
117
Diagnostics - Lockout (Loc) Errors
117
Diagnostics - Blocking (Err) Errors
119
Blocked Flue Pressure Switch
121
Unit Shut-Down
122
Section 10: Maintenance
124
Checking for Gas Leaks
125
Flue and Air Inlet Piping Inspection
125
System Piping, Pressure, and Expansion Tank Inspection
125
Ignition and Flame Sensor Inspection
125
Wiring and Connections Inspection
125
Performance Verification Inspection
125
Flame Inspection
125
Flame Signal Inspection
126
Relief Valve Inspection
126
Unit Vicinity Inspection
126
Pressure Gauge Inspection
126
Condensate Drain System Inspection
127
Low Water Cutoff Test
127
Removing the Unit Covers
128
Cleaning the Burner and Primary Heat Exchanger (Flue/Gas Side)
129
Inspecting and Replacing the Heat Exchanger Thermal Insulation
133
Inspecting and Replacing the Burner Thermal Insulation
134
Checking for Gas Leaks after Reassembly
136
Ignition and Flame Detection Sensor Electrode Positioning
137
Air Filter Cleaning
138
Condensate Trap and Neutralizing Reservoir Maintenance
139
Control Board Replacement
141
Draining the Water from the Unit
142
Water and Flue Temperature Sensor
142
Outdoor Temperature Sensor (Boilers Only)
143
Am Rapid Recovery (Amr) Option Maintenance
143
Components and Piping
144
Buffer Tank Anode Rods
144
Maintenance Kits Part Lists
145
Wiring Diagram
146
Section 11: Technical Data
153
Section 12: Spare Parts Drawings & Lists
155
Am 399/500 Spare Parts Drawings
155
Am 399/500 Spare Parts List
158
Am 750/1000 Spare Parts Drawings
161
Am 750/1000 Spare Parts List
164
Amr Option Spare Parts Drawing
167
Am Rapid Recovery (Amr) Option Spare Parts List
168
Appendix A: Control Panel Operation Chart
169
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