MAXXflo Water Heater
33
PAGE
SECTION 1
GENERAL AND SAFETY INFORMATION
Safety Information
4
British Standards and Codes of Practice
4
Health and Safety Regulations 1993
4
SECTION 2
TECHNICAL DETAILS
Technical Details – CWH30/60/90/120
5
Technical Parameters
6
Product Fiche
7
Heater Dimensions – 200 litre model
7
Heater Dimensions – 300 litre model
8
SECTION 3
INSTALLATION
Description
10
Location
10
Water Quality and Treatment
11
Water Connections
11
Condense Drain
12
Typical Installations – CWH30/60 & CWH90/120
13
Gas Supply – Natural Gas
14
Gas Supply – Propane
14
Typical Bulk Storage Vessel Installation
15
Typical Cylinder Installation
15
Electrical Supply
16
Electrical Connection
16
Wiring Diagram
17
Temporary Water Heater Temperature Change
18
Circulation Pump and Storage Tanks
18
HWST Tank Dimensions and Wiring Diagram
19
Flue Systems
20
Flue Systems – CWH 30 & 60
21
Alternative Flue Systems – CWH 30 & 60
22
Standard Flue System Dimensions – CWH 30 & 60
23
Flue Systems – CWH 90 & 120
24
Alternative Flue Systems – CWH 90 & 120
25
Standard Flue System Dimensions – CWH 90 & 120
26
Flue System Positions and Distances
27
Flue System – Horizontal and Vertical Terminations
28
Air supply and ventilation – Concentric Flue Systems
28
Air supply and ventilation – concentric and conventional flue systems
30
Air supply and ventilation – conventional flue systems
31
Heat exchanger configuration
32
Control panel
32
SECTION 4
WATER TEMPERATURE SETTINGS
Temperature setting
33
Adjusting temporary temperature change
33
SECTION 5
INSTRUCTIONS FOR COMMISSIONING
Filling the water heater
34
Commissioning – natural gas and propane
34
CO2 adjustment
34
Control and adjustment at full load
35
Control and adjustment at low load
35
Decommissioning
35
SECTION 6
FAULT CODES
Fault codes
36
Blocking faults
36
Lockout faults
36
SECTION 7
MAINTENANCE
Annual maintenance checks
37
SECTION 8
PARTS LIST
External, Internal & cylinder spares
38
Flue and old issue spares
40
SECTION 9
DISMANTLING DISPOSAL AND RECYCLING
43
CONTENTS
Summary of Contents for CWH120/200
Page 8: ...MAXXflo Water Heater 8 8 INSPECTION HATCH INSPECTION HATCH SECTION 2 TECHNICAL DETAILS ...
Page 9: ...MAXXflo Water Heater 9 9 TECHNICAL DETAILS SECTION 2 INSPECTION HATCH INSPECTION HATCH ...
Page 28: ...MAXXflo Water Heater 28 28 FLUE SYSTEMS Fig 12 SECTION 3 INSTALLATION ...
Page 39: ...MAXXflo Water Heater 39 39 PARTS LIST SECTION 8 MAXXflo INTERNAL SPARES ITEMS ...