Maintenance Work; Dismantling The Circulating Pump - Watts HKF 8180 Operating Instructions Manual

6.3 Maintenance work

6.3.1 Dismantling the circulating pump

■
Disconnect the energy supply to the HKF 8180 and ensure it cannot be switched back on.
Electrical energy!
Danger of death by electric shock!
h Do not touch any voltage-carrying cables or components with wet hands.
h When handling electrical current, always comply with accident prevention guidelines.
h Before carrying out any maintenance, cleaning or repair work, disconnect the energy supply to
the HKF 8180 and ensure it cannot be switched back on.
■
Remove the front cover on the HKF 8180 (see Fig. 4 on page 10).
■ Close the ball valves (multi-function fittings, pos. A) by turning the thermometer handle (see "Thermometer
handle settings" on page 11).
■
Remove the lower insulation (pos. B), the supply and return thermometer handles (pos. A) and the upper
insulation (pos. C) in that order.
A
C
B
Fig. 7: Dismantling the insulation
■
Disconnect the circulating pump's wiring.
05/2013
danger
A
HKF 8180 Version 1.0en
HKF 8180
Page 13