Failure
Probable cause
Methods of elimination
water temperature is shown on
display for a short time, and then
letters
«ЕЕ» appear.
nected (the contacts are disrupted).
(restore the contacts).*
The water temperature sensor is out of ser-
vice.
Effect the water temperature sensor’s
replacement.*
Unsufficient water heating (the
specified heating power is not
provided).
Dust deposits in the burner
’s channels, soot
deposits on the heat exchanger
’s gills or
scale deposits in the
heat exchanger’s pipe-
line.
Effect the burner’s and heat exchanger’s
cleaning
.*
Low gas pressure.
Call the gas facilities service in order to
eliminate the cause of it.
Water or gas block is out of service.
Repair or replace the block that is out of
service
.*
The main burner’s flame is
weak, stretched, with smoky
tongues.
Dust deposit on the burner
’s nozzles and
inner surfaces
.
Effect the burner’s cleaning.*
During the appliance
’s operation
increased noise of the flowing
water is detected.
Big water consumption.
Reduce the water consumption.
Layings slant in the water duct
’s joints.
Change layings *.
Water overheating in the heat exchanger.
Reduce gas supply or increase water
consumption.
The burner’s flame does not go
out when the hot water tap is
closed
.
Seizure of the water or gas block stem.
Close the gas stop valve by the inlet into
the appliance and call the specialized
service organization for the appliance
’s
repair.
*The works are effectuated by a specialized service organization.
10. GENERAL GUIDELINES
10.1. The installation of gas appliances for domestic use must be effectuated in accordance with the project for the
appliance installation and the rules and regulations SP 62.13330.2011.
10.2. It is necessary to install the appliance on fire resistant walls (brick-built, concrete, with ceramic plating)
10.3. The installation and technical service of the appliance must be
effectuated only by a specialized service organiza-
tion
. The appliance must be connected only for the category of gas
which is indicated in the user’s manual and the tablet
on the appliance.
10.4. The installed appliance must necessarily be registede by 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 rated conditions. If necessary, respective
regulations must be effectuated in order to reach the
values indicated in the “User’s Manual”.
11.2. After finishing the installation and adjustment works the customer must be instructed about the order of use of
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.
The mark about the instruction must be made in the specific Certificate of the Installation of the appliance and effect-
ing technical service. There should also be a mark about
the appliance’s installation.