Watts AERCO SmartPlate SP23 User Manual

Name: Watts AERCO SmartPlate SP23
Brand: Watts
Rating: 4 (1 reviews)

134 pages

To Next Page

To Previous Page

SmartPlate Installation, Operation & Maintenance Manual

CHAPTER 8 – CORRECTIVE MAINTENANCE

OMM-0069_0H • SP-100 • 1/30/2020 Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST Page 86 of 134

DIFFERENTIAL PRESSURE GAUGE REPLACEMENT Instructions

Figure 8-26. Differential Pressure Gauge/Strainer/Ball Valve Combo – Boiler

Side

ISOLATION

BALL VALVE

STRAINER BODY

BLOW-DOWN VALVE

GAUGE BODY

FITTINGS (2 PLCS)

DIFFERENTIAL

PRESSURE GAUGE

COMPRESSION

FITTINGS (2 PLCS)

Table of Contents2
General Information5
Introduction5
Electronic Control System/Smartplate (Ecs/Sp)6
- Control Box Assembly7
- Feed-Forward Temperature Sensors8
- Outlet Temperature Sensors8
- Boiler Water Inlet/Outlet Temperature Sensors8
Electronic Control Valve, Mxg-4619
- Installation11
Smartplate Piping Assemblies9
Introduction11
Receiving and Unpacking Smartplate11
Site Selection and Preparation12
- Installation Clearances12
- Setting the Unit13
- Repositioning ECS/SP Control Box14
Heating Fluid and Domestic Hot Water (Dhw) Piping15
Smartplate Electrical Wiring Connections16
Additional Component Installation21
- Functional Description23
Introduction23
Mechanical Overview23
Electronic Control Overview24
Over-Temperature Control and Safety Features24
- Adjustment27
Introduction27
Smartplate 3-Way Control Valve, Mxg-461 Adjustment27
- Control Valve Calibration and Status Indications27
- Manual Control of 3-Way Valve - Removable Handwheel to Hamper Tampering30
- Setpoint Temperature Adjustment31
- Over-Temperature Alarm Limit Adjustment34
  - Operation37
Introduction37
Pre-Operational Checks & Procedures37
Initial Start-Up38
Checking Mixed Inlet Temperature39
Shutting down the System39
- Scheduled Maintenance41
Introduction41
Boiler Water Differential Pressure Gauge Check42
Over-Temp Switch Check43
Plate Pack Leakage Checks (Double-Wall Models Only)43
Control Valve Operational Check44
Strainer Inspection and Cleaning44
Temperature Sensor Checks44
Recirculation Pump Check45
Periodic Cleaning of Heat Exchanger46
- Troubleshooting47
Introduction47
Troubleshooting Procedures47
- Corrective Maintenance57
Heat Exchanger Cleaning & De-Scaling57
Introduction57
Single Wall Heat Exchanger Maintenance57
Single-Wall Heat Exchanger Replacement60
Double-Wall Heat Exchanger Maintenance63
Double-Wall Heat Exchanger Cleaning64
- Heat Exchanger Cleaning and De-Scaling (In-Place Method)64
- Heat Exchanger Cleaning by Disassembly64
Double-Wall Heat Exchanger Opening and Closing66
- Opening Heat Exchanger67
- Removal and Insertion of Plates69
- Closing Heat Exchanger70
Double-Wall Heat Exchanger Gasket Replacement73
- Replacing Gaskets on Channel Plates73
- Replacing Gaskets on End Plate (First Plate against Frame Plate)74
Double-Wall Heat Exchanger Replacement76
Control Valve Electronic Module Replacement and Valve Removal80
- Electronics Module Replacement80
- Control Valve Replacement82
Recirculation Pump Replacement83
Strainers85
Control Box Assembly Replacement87
Ecs/Sp Control Box Assembly and Components87
Temperature Controller Replacement88
Over-Temperature Switch and Temperature Indicators89
Vac Step-Down Transformer Replacement90
- Appendix A105
- Appendix B - Ecs/Sp Wiring Diagram & Terminal Block Connections105
- Appendix C - Smart Plate Piping Drawings107
- Appendix D - Dimensional Drawings119
- Appendix E - Part Lists121
- Appendix F - Recommended Spare Parts131

Questions and Answers:

Need help?

Do you have a question about the Watts AERCO SmartPlate SP23 and is the answer not in the manual?

Watts AERCO SmartPlate SP23 Specifications

General

Brand	Watts
Model	AERCO SmartPlate SP23
Category	Water Heater
Language	English

Related product manuals

Watts AERCO INN 600N

170 pages

Watts Aerco INN 1060N

170 pages

Watts PLT-5

2 pages

Watts AERCO SmartPlate SP23 User Manual

Table of Contents

Questions and Answers:

Watts AERCO SmartPlate SP23 Specifications

Related product manuals