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SPDW-EV30
Watts SPDW-EV30 Manuals
Manuals and User Guides for Watts SPDW-EV30. We have
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Watts SPDW-EV30 manual available for free PDF download: Installation, Operation & Maintenance Manual
Watts SPDW-EV30 Installation, Operation & Maintenance Manual (72 pages)
High Pressure Domestic Hot Water Heaters
Brand:
Watts
| Category:
Water Heater
| Size: 1.56 MB
Table of Contents
Table of Contents
2
General Information
5
Warnings & Cautions
5
Introduction
6
Electronic Control System II (Ecs II)
7
The Control Box Assembly
8
Flow Meter
8
Outlet Temperature Sensors
9
Boiler Water Inlet Temperature Sensor
9
Smartplate EV PIPING ASSEMBLIES
10
3-Way Electronic Control Valve
11
Installation
13
Introduction
13
Receiving and Unpacking
13
Site Selection and Preparation
14
Installation Clearances
14
Setting the Unit
15
Heating Fluid and Domestic Hot Water (Dhw) Piping
15
Smartplate EV & BENCHMARK PLATINUM BOILERS
15
Electrical Wiring Connections
16
Modbus Connection
18
Pressure Relief Installation
19
Functional Description
21
Electronic Control Overview
21
Introduction
21
Mechanical Overview
21
Over-Temperature Control and Safety Features
22
Adjustment
25
3-Way Control Valve Adjustment and Wiring
25
3-WAY Control Valve Actuator Installation and Wiring
26
3-Way Valve Stroke Adjustment
28
Zero and Span Calibration
28
Introduction
25
Electronic Control System
29
Setpoint Temperature Adjustment
29
Over-Temperature Alarm Limit Adjustment
31
Operation
33
Introduction
33
Pre-Operational Checks, Initial Start-Up
33
Shutting down the System
34
Scheduled Maintenance
37
Introduction
37
Plate Pack Leakage Checks
37
Over-Temp Switch Check
38
Strainer Inspection and Cleaning
38
3-Way Control Valve Operational Check
39
Sensor Checks
39
Periodic Cleaning of Heat Exchanger
40
Troubleshooting
41
Introduction
41
Troubleshooting Procedures
41
Corrective Maintenance
47
Introduction
47
Heat Exchanger Maintenance
47
Heat Exchanger Cleaning and De-Scaling
48
Heat Exchanger Replacement
48
Control Valve Actuator Replacement and Valve Removal
50
3-Way Control Valve Replacement
50
Strainers
52
Electronic Control System (ECS II)
53
Control Box Assembly Components
53
Temperature Controller Replacement
53
Over-Temperature Switch Replacement
54
APPENDIX A - Modbus Control and Communication
55
Appendix B - Schematic
63
APPENDIX C - Smartplate EV PART LISTS
65
Appendix D - Recommended Spare Parts
70
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