Table of Contents
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1.
1.2 General Description ......................................................... 2
1.3 Explanation of Model Code ............................................ 2
1.4 Dimensions ......................................................................... 3
1.5 Appliance design ............................................................... 3
1.6 Technical characteristics ................................................. 4
2.
2.1 Regulations ......................................................................... 5
2.2 Location .............................................................................. 5
2.3 Fixing the appliance .......................................................... 5
2.4 Water connection ............................................................. 5
1.
Technical Characteristics and Dimensions
1. 1
Category, Appliance Type and Approval Number
1.2
General Description
This water heater is fitted with a piezo system.
Guaranteed safety provided by:
- Gas-tight ionisation detector that prevents escape of gas
if there is no flame.
- Flue gas safety device that switches off the appliance if
the flue is not functioning properly.
- Temperature limiter which protects the heat exchanger
against overheating.
Heat exchanger has no tin/lead lining.
Automatic water valve made of glass-fibre reinforced
polyamide, 100% recyclable.
Automatic control of water flow maintains constant flow rate
even with fluctuating supply pressure.
Proportional adjustment of gas and water flow rates in order
to ensure an even temperature gradient.
Gas valve with adjustable output via a slide control.
2
0464 BQ 20
MODEL
COUNTRY
BE, CH, ES, FR, GB, IT, PT, LU, HR
WR8/11 P...
NL, DE
TYPE
Contents
2.5 Gas connection ................................................................. 5
2.6 Flue ....................................................................................... 6
2.7 Commissioning .................................................................. 6
3.
3.1 Function .............................................................................. 7
3.2 Water temperature control .............................................. 7
3.3 Appliance adjustments ..................................................... 7
3.4 Maintenance ...................................................................... 7
3.5 Purge the appliance ......................................................... 7
3.6 Flue gas safety device ..................................................... 7
3.7 Converting to a different gas type ................................ 8
3.8 Troubleshooting ................................................................. 8
4.
Operation ............................................................................... 12
B
11BS
1.3
Explanation of Model Code
W
R
8
W
R
11
W Gas instantaneous water heater
R Proportional output control
8 Flow rate (l/min)
P Piezo ignition
31 LPG (butane/propane)
S... Country code
CATEGORY
I
3+
I
3B/P
P
31
S...
P
31
S...
6 720 607 884
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