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MAXXflo EVO CWH 90/302
andrews MAXXflo EVO CWH 90/302 User Manual
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M9373
M
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CWH 90/302, CWH 120/302
INST
ALLA
TION
AND MAINTENANCE MANUAL
2
Table of Contents
Table of Contents
3
General & Safety Information
4
Description of Heater
4
For Whom Is this Manual Intended
4
Symbols Used in this Guide
5
Safety
6
General Safety
6
Regulations and Standards
7
UKCA & CE Marking
8
Technical Data
9
Product Fiche
10
Performance Data
11
General Dimensions and Connections
12
System Schematic Examples
13
Wiring Diagrams
18
Installation
20
Locating the Heater
20
Removing the Door and Inner Cover
20
Cold Water Supply
22
Unvented Design
23
Secondary Return Design (DHW Circulation Pump)
24
Condensate Disposal
25
Flue Systems and Ventilation
26
Maximum Flue Lengths
35
Gas Connections
36
Electrical & Communication Connections
37
Commissioning
39
Filling and Removal of Air
39
Commissioning of Heat Engine
40
Conversion to LPG
46
Frost Protection and Legionella
48
Final Checks and User Handover
50
Fault Finding
51
Maintenance
52
Routine Inspection Intervals & Requirements
52
Removing and Changing Components
59
Flushing/Descaling the HEAT EXCHANGERS
69
Component Parts Illustrations
70
Recommended Spares Requirements
78
Error Codes
79
5
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andrews MAXXflo EVO CWH 90/302 Specifications
General
Brand
andrews
Model
MAXXflo EVO CWH 90/302
Category
Water Heater
Language
English
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