User`s manual

2
TABLE OF CONTENTS
1. GENERAL INFORMATION Page. 3
1.1 Guarantee Page. 3
2. USER INSTRUCTIONS Page. 3
2.1 Control Panel Page. 3
2.2 Initial Set-Up Page. 4
2
.3 Use Page. 4
2
.4 Maintenance Page. 5
2.5 Useful Information Page. 5
3. INSTALLATION INSTRUCTIONS Page. 6
3.1 Description of Appliance Page. 6
3.2 Technical Specifications Page. 7
3.3 Operating Principle Page. 8
3.4 Electrical Circuit Diagram Page. 8
3.5 Appliance DImensions Page. 9
3.6 Clearances Page. 9
3.7 Reference Standards Page. 10
3.8 Installing the Water Heater Page. 11
4. FITTING THE FLUE Page. 13
4.1 Fitting the Coaxial Flue
(Ø 60/100 Horizontal) Page. 13
4.2 Fitting the Coaxial Flue
(Ø 60/100 Vertical) Page. 14
4.3 Fitting the Coaxial Flue
(Ø 80/125 Horizontal/Vertical) Page. 15
4.4 Fitting the Twin Pipe (Ø 80/80) Page. 16
4.5 Permissible Flue Lengths Page. 18
4.6 Flue Types Page. 18
5. COMMISSIONING Page. 19
6.
SERVICING INSTRUCTIONS Page. 20
7. REPLACEMENT OF PARTS Page. 20
7.1 To Gain General Access Page. 20
7.1.1 Removing the front panel Page. 20
7.2 Access to the Combustion
Chamber Page. 21
7.2.1 Removing the burner box Page. 21
7.2.2 Removing the electrodes Page. 21
7.2.3 Removing the burner Page. 22
7.2.4 Removing the manifold Page. 22
7.2.5 Removing the fan Page. 23
7.2.6 Removing the air pressure
s
witc
h
Page. 23
7.2.7
Chec
k the
∆
P
with the casing
closed Page. 23
7.3
Acess to the
W
ater Circuit Page. 24
7.3.1 Drain down P
a
ge. 24
7.3.2 Removing the heat exchanger Page. 24
7.3.3
Removing the water valve Page. 25
7.4
Access to the Contr
ol System
Page. 26
7.4.1
Remo
ving the contr
ol bo
x
P
a
ge. 26
7.4.2 Remvoing the electrical box Page. 26
7.4.3
Removing the fuse Page. 27
7.4.4
Remo
ving the micr
os
witch Page. 27
7.5 Access to the Gas System Page. 28
7.5.1 Removing the gas valve Page. 28
8
. FAULT FINDING CHART Page. 29
9. SHORT SPARES LIST Page. 31