Electrolux GWH-275 R N User manual

S E R V I C E M A N U A L
GAS WATER HEATER
GWH-275 R N
GWH-350 R N
EHT Haustechnik GmbH
Gutenstetter Straße 10
90449 Nürnberg
GERMANY

Content
Main features
Function diagram
Technical data
Parts
Operation
Installation, Comissioning,
Maintenance
Recovery and disfunction
How to ...

Main features
Piezo electric ignition
Aluminium coated copper heat exchanger
Pilot cut-off by ignition knob
Automatic water flow adjuster
Thermocouple safety mechanism

Operating diagram GWH-275 R N

Technical data
GWH-275 R N GWH-350 R N
Type II2H3+
7.0 to 19.2 kW
B11
54 K
2.4 to 11.0 ltrs/min
0.35 bar
10.0 bar
680 x 350 x 230
12 kg
II2H3+
Output 9.4 to 24.4 kW
Type B11
max. ∆T54 K
DHW flow 3.5 to 14.0 ltrs/min
min. water press. 0.50 bar
max. water press. 10.0 bar
Dimensions 722 x 350 x 254
Weight 14 kg

Function diagram
Flue gas
safety thermostat
Flue hood
Heat excanger
Combustion chamber
Thermocouple
Burner
Gas valve
Water switch
Ignition electrode

Parts
Flue gas
safety thermostat
Flue hood
Heat excanger
Combustion chamber
Thermocouple
Burner
Ignition electrode
Gas valve
Water switch

Operation
OVERVIEW
GWH OFF
Ignite the pilot flame
min. power mode
max. power mode
Safety function

GWH OFF
1
1

Ignite the pilot flame
1
1
Push
and turn

min. power mode
1
1

max. power mode
1
1

Safety function
Flue gas
saefty thermostat
Thermocouple

Fixing, Installation, Maintenance
OVERVIEW
Before the installation
Fixing the appliance
Installing – Gas connection
Comissioning
Maintenance

Before the installation
Make sure, that the supply gas
class is the same as on the type
plate.
Make sure that the max. water
pressure does not exceeds 10 bar.
If necessary install a pressure
reducer.

Fixing the appliance
In a suitable place on the wall following the instruction
given, mark the holes where the plugs are to be
inserted to fix the geater to the wall.
Mark the position of the appliance‘s water inlet and
outlet.
Fix the attachment for the water intake into the
appliance to the cold water inlet.
Fit the hooks provided into the holes made in the wall.
Hang the heater on the hooks. Fix the cold water
intake attachment to the appliance.
Fix the gas tap to the gas intake attachment and then
connect it to the gas pipe.
Fit the water outlet attachment and connect it to the
water outlet on the wall.

Installing - Gas connection

Comissioning
Before connecting up the appliance again, it is
necessary to purge the water and gas pipe work
thoroughly, in order to remove filings and other waste
material.
Fit the appliances onto the plugs and tighten the screw
to fix the appliance to the wall. Then connect the gas
intake to the appliance, ensuring that the seal is in
place.
Connect the water intake and outlet to the appliance.
Ensure that all the seals are properly fitted.
Replace the control knobs and the temperature
selector.

Maintenance
ATTENTION : Do only use
original ELECTROLUX spare parts.

Maintenance
Make sure that the GWH is cooled down.
Turn off the gas supply.
Dismount the flue hood.
Dismount the burner.
Clean the heat exchanger with a brush.
Clean the burner.
Clean the pilot.