General maintenance should be performed at least once a year to ensure that the product
continues to operate effectively and to prevent deterioration of the domestic hot water quality.
In the scope of maintenance;
For cleaning, follow these steps:
• Deactivate the heating system and remove electrical power (if present) before draining the
tank for cleaning.
• Check the temperature of the water in the tank from the thermometer. After cooling down
sufficiently, close the cold water inlet valve and open the farthest hot water tap.
• Open the drain valve and empty the tank completely.
• Carefully remove the thermoplastic cover of the manhole access on the tank (see illustrations
in Chapter 5) and the insulating material underneath.
• Remove the flange on manhole access.
• Visually check for contamination and damage by illuminating the inside of the tank with a
strong flashlight.
• Remove residues and fouling not adhered to the inner wall of the tank and heating coil, with
pressurized water.
• Clean the lime etc. adhered to the inner wall of the tank and the surface of the heating coil by
using with non-hard tools such as plastic brushes etc.
• For cleaning, agents suitable for domestic use such as detergent, may be used. In this case,
8.
MAINTENANCE
If you wish, TANPERA service can perform cleaning and periodic maintenance of your product.
During cleaning and maintenance, tools and chemicals that may cause physical and chemical
damage to the enamel should not be used.
Maintenance and cleaning of the product must only be carried out by authorized, trained and
qualified personnel.
CAUTION:
Cleaning agents may cause injury to exposed skin, eyes, and mucous membranes.
Use of protective eyewear and gloves is strictly recommended.
We reserve the right to make changes in technical information.
12
before use,
disconnect
all domestic water connections to prevent detergent from escaping
into the installation; after use, make the system connections after thoroughly rinsing the
inside of the tank with pressurized water.
Before starting maintenance and cleaning operations, the product must be switched off and the
water inside must be cooled
down
below 40°C.
• The protective anode should be checked.
• Scaling, sedimentation and other deposits that may accumulate on the heating coil (for
T
S
B
and TDB) and
at
the tank should be removed.
• The safety valve must be checked. This can be done by raising the water pressure in the tank
up to the safety valve opening pressure by a testing pump.
• Devices and accessories such as valves, check valves, expansion tanks, thermometers etc. on
the unit and
at
the connected installation, should be checked to be in good working
condition.
Defective ones must be repaired or replaced. The filters of the strainers must be
cleaned.
