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Benchmark Aerco G-19-0001
Watts Benchmark Aerco G-19-0001 Manuals
Manuals and User Guides for Watts Benchmark Aerco G-19-0001. We have
2
Watts Benchmark Aerco G-19-0001 manuals available for free PDF download: Installation And Start-Up Manual
Watts Benchmark Aerco G-19-0001 Installation And Start-Up Manual (126 pages)
Natural Gas, Propane Gas and Dual Fuel Fired Modulating & Condensing Boilers
Brand:
Watts
| Category:
Boiler
| Size: 2.82 MB
Table of Contents
Table of Contents
2
Foreword
5
Section 1: Safety Precautions
9
Warnings & Cautions
9
Emergency Shutdown
10
Prolonged Shutdown
10
Important - for Massachusetts Installations
11
Section 2: Installation
13
Introduction
13
Receiving the Unit
13
Unpacking
13
Site Preparation
14
Installation Clearances
14
Setting the Unit
17
Lifting Provisions
19
BMK 750 - 1000 Lifting Provisions
19
BMK 1500 - 3000 Lifting Provisions
20
Supply and Return Piping
21
BMK 750 - 1000 Supply and Return Piping
21
BMK 1500 - 3000 Supply and Return Piping
21
Dual Inlet Return Piping
22
Pressure Relief Valve Installation
23
Condensate Drain and Piping
24
Gas Supply Piping
26
Gas Supply Specifications
27
Manual Gas Shutoff Valve
27
External Gas Supply Regulator
28
Ac Electrical Power Wiring
30
Electrical Power Requirements
30
Power Box Locations
31
Electrical Power Box Internal Components
32
Field Control Wiring
34
Outdoor Air & Air Sensor Common
35
Air Temp Sensor
36
O 2 Sensor (+ & -)
36
Spark Signal (+ & -)
36
Analog in
36
Valve Feedback
37
Shield (Shld & Shld)
37
Analog out
37
RS485 Comm (+, GND, & -)
37
RS232 Comm (Txd & Rxd)
37
Vfd/Blower (0-10 & AGND)
37
Interlocks
38
Fault Relay (NC, COM, & NO)
38
Auxiliary Relay Contacts (NC, COM, & NO)
39
Flue Gas Vent Installation
39
Massachusetts Installations
39
Combustion Air
40
Ducted Combustion Air
40
Benchmark Pump Relay
41
Sequencing Isolation Valve Installation
42
Section 3: Start Sequence
45
Introduction
45
Start Sequence
45
Start/Stop Levels
51
Start/Stop Levels - Air/Fuel & Energy Input
52
BMK 750/1000 Air/Fuel Valve Position and Energy Input
52
BMK 1500 Air/Fuel Valve Position and Energy Input
53
BMK 2000 Air/Fuel Valve Position and Energy Input
54
BMK 2500 Air/Fuel Valve Position and Energy Input
55
BMK 3000 Air/Fuel Valve Position and Energy Input
56
Section 4: Initial Start-Up
57
Initial Start-Up Requirements
57
Tools & Instruments for Combustion Calibration
57
Required Tools & Instrumentation
57
Installing Gas Supply Manometer
58
Accessing the Analyzer Probe Port
60
Fuel Types and Combustion Calibration
61
Combustion Calibration
62
NATURAL GAS Combustion Calibration
63
Propane Gas Combustion Calibration
67
Reassembly
71
Dual Fuel Switchover
71
Switchover from NATURAL GAS to PROPANE
72
Switchover from PROPANE to NATURAL GAS
73
Over-Temperature Limit Switches
74
Digital Alarm Switch Checks and Adjustments
75
Section 5: Safety Device Testing
77
Testing of Safety Devices
77
Low Gas Pressure Test
78
Low Gas Pressure Test: Bmk 750 - 2500
78
LOW GAS PRESSURE TEST: BMK 3000 Only
80
High Gas Pressure Test
82
High Gas Pressure Test: Bmk 750 - 2500
82
HIGH GAS PRESSURE TEST: BMK 3000 Only
84
Low Water Level Fault Test
86
Water Temperature Fault Test
87
Interlock Tests
89
Remote Interlock Test
89
Delayed Interlock Test
89
Flame Fault Test
90
Air Flow Fault Tests - Blower Proof & Blocked Inlet Switches
91
Blower Proof Switch Test
91
Blocked Inlet Switch Test
93
Ssov Proof of Closure Switch Check
94
Purge Switch Open During Purge
94
Ignition Switch Open During Ignition
97
Safety Pressure Relief Valve Test
97
Section 6: Boiler Sequencing Technology
99
Introduction
99
Installation Notes
100
Aerco Bst Quick Start Chart
100
Bst Implementation Instruction
101
Option 1 - Constant Setpoint with Direct Wired Header Sensor
101
Option 2 - Constant Setpoint with Modbus Wired Header Sensor
102
Option 3 - Outdoor Reset with Direct Wired Header Sensor and Direct Wired Outdoor Sensor
103
Option 4 - Outdoor Reset with Modbus Header Sensor and Modbus Outdoor Sensor
105
Option 5 - Remote Setpoint with Direct Wired Header Sensor and 4-20Ma Setpoint Drive
107
Option 6 - Remote Setpoint with Direct Wired Header Sensor and Modbus Setpoint Drive
109
Option 7 - Remote Setpoint with Modbus Header Sensor and 4-20Ma Setpoint Drive
111
Option 8 - Remote Setpoint with MODBUS Header Sensor and MODBUS Setpoint Drive
113
Section 7: Onaer Setup
115
Introduction
115
Connecting the Ethernet Cable
115
Confirming the Ethernet Connection
117
Confirm Ethernet DHCP Configuration
117
Appendix A: Dimensional and Clearance Drawings
119
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Watts Benchmark Aerco G-19-0001 Installation And Start-Up Manual (122 pages)
Natural Gas, Propane Gas and Dual Fuel Fired Modulating & Condensing Boilers
Brand:
Watts
| Category:
Boiler
| Size: 5.61 MB
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