Table of Contents
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SECTIONS
1
2
3
4
5
6
7
8
9
10
11
KEY
1 - Heat exchanger
2 - Heat exchanger for D.H.W water
3 - Burner
4 - Sensing electrode
6 - Condensing heat exchanger
9 - Ignition electrode
11 - Frame
12 - Modulating gas valve
15 - Heating control
22 - Overheat cut off thermostat
4
Supplied By www.heating spares.co Tel. 0161 620 6677
TABLE OF CONTENTS
INTRODUCTION
DESIGN PRINCIPLES AND
OPERATING SEQUENCE
TECNICAL DATA
GENERAL REQUIREMENTS
INSTALLATION
COMMISSIONING
SERVICING INSTRUCTIONS
FAULT FINDING
ELECTRICAL SYSTEM DIAGRAM
EXPLODED PARTS DIAGRAM
LIST OF SPARE PARTS
16 - Hot water control
17 - D.H.W. sensor
18 - Water pressure switch (heating circuit)
23 - Safety relief system
24 - Three way valve
26 - Auto air vent valve
28 - Pressure switch
29 - Circulation pump
30 - Water pressure gauge
33 - Main switch
PAGE
6
6
8-9
6
15
26
30
39
40
45
46
34 - C.H. sensor
35 - Condensing trap
36 - Fan
37 - Expansion tank
38 - Sealed chamber
45 - Combustion chamber
50 - Flue gas exhaust hood
105 - Timer
106 - Flue restriction ring
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Table of Contents
