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Failure
The main burner's flame is
stretched out, with yellow smoky
tongues
After short-term operation the
appliance spontaneously switches
off
Small water consumption at the
appliance's outlet at normal water
pressure in the pipeline
Insufficient water heating (the
specified heating effect is not
provided)
At the appliance's operation
increased noise of flowing water
is detected
The main burner's flame doesn't
go out when the hot water tap is
closed.
* - The works are effectuated by a specialized service organization..
10. GENERAL INSTRUCTIONS
10.1. Mounting of gas appliances for domestic use must be effectuated in accordance with the project for
appliance's installation and the set of rules SP 62.13330.2011.
10.2. The appliance must be installed on fire-resistant walls (brick, concrete, with ceramic plating).
10.3. The appliance's installation and technical service must be done only by a specialized service organization.
The appliance must be connected only to the gas category that is indicated in the user's manual and the table on
the appliance
10.4. The installed appliance must be obligatory registered in the gas facilities service.
11. HANDING THE APPLIANCE OVER TO THE CUSTOMER
11.1. After installing the appliance, the installer must check its operation in the rated conditions. If it's necessary the
appropriate adjustments should be performed for achieving the values indicated in the "User's manual"
11.2. After termination of mounting and adjustment works the consumer should be instructed about the order of
using the appliance:
rules of water quantity regulation;
rules of gas quantity regulation;
order of switching the appliance on and off;
Appliance treatment works, effectuated by the customer.
Probable reason
Dust deposit on the nozzles and inner
surfaces of the main burner.
Insufficient draught (the appliance is switched
off by the automatic control system)
The hot water temperature at the appliance's
O
outlet is more than 90
C (the appliance is
switched off by the automatic control
system).
The water unit membrane is damaged.
Scale deposit in the heat exchanger or in the hot
water outlet pipe
Water filters are contaminated
Dust deposit in the main burner's channels
Soot deposit on the heat exchanger's fins or
scale deposit in the heat exchanger's pipes.
Low gas pressure.
The stop valve on the gas pipeline is not fully
opened
The water unit membrane is damaged.
Big water consumption.
High heated water temperature (at its small
consumption)
Gaskets displacement in the water duct
joints.
Water or gas unit stem jamming.
20
Methods of elimination
Effectuate the cleaning of the main
burner.*
Effectuate the smoke exhauster's
cleaning.
Make the gas flue pipe's joints air-
tight.*
Close the hot water tap and at the
next switching on (in 1-2 minutes),
reduce the hot water temperature
reducing gas consumption or
increasing water consumption
Replace the water unit membrane.*
Effectuate the cleaning of the heat
exchanger or the hot water outlet pipe.*
Effectuate the cleaning of the
filters.*
Effectuate the burner's cleaning.*
Effectuate the heat exchanger's
cleaning.*
Call the gas facilities service in order
to eliminate the causes (or replace
the LPG cylinder ).
Clean the gas filters.*
Open the stop valve on the gas
pipeline completely.
Replace the water unit membrane.*
Reduce water consumption.
Reduce gas consumption or increase
water consumption.
Replace the gaskets.*
Close the gas stop valve by the inlet
into the appliance and call a
specialized service organization for
the appliance's repair.
water
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