ACDC SDAW4.6-220, Инструкция по установке и обслуживанию

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MAINTENANCE
In order to ensure optimal availability of the unit, a number of checks and inspections on the unit and
the field wiring have to be carried out at regular intervals.
BEFORE CARRYING OUT ANY MAINTENANCE OR REPAIR ACTIVITY, ALWAYS SWITCH ‘OFF’ THE
CIRCUIT BREAKER ON THE SUPPLY PANEL, REMOVE THE FUSES OR OPEN THE PROTECTION
DEVICES OF THE UNIT.
MAKE SURE THAT BEFORE STARTING ANY MAINTENANCE OR REPAIR ACTIVITIES THE POWER
SUPPLY TO THE OUTDOOR UNIT IS SWITCHED ‘OFF’.
The described checks must be executed at least once a year.
1.
Water pressure
Check if the water pressure is above 0.3 bar. If necessary add water.
2. Domestic hot water tank pressure relief valve (field supply)
Applies only to installations with a domestic hot water tank.
Check for a correct operation of the pressure relief valve on the domestic hot water tank.
3. Domestic hot water tank booster heater(field supply)
Applies only to installations with a domestic hot water tank.
It is advisable to remove lime build up on the booster heater to extend its life span, especially in
regions with hard water. To do so, drain the domestic hot water tank, remove the booster heater
from the domestic hot water tank and immerse in a bucket (or similar) with lime-removing product
for 24 hours.