Fitting The Circulating Pump - Watts HKF 8180 Operating Instructions Manual

HKF 8180
■
Loosen the nuts (pos. A) and dismantle the circulating pump (pos. B).
Hot water!
Severe scalding possible.
h Allow the HKF 8180 to cool down first before carrying out any maintenance, cleaning or
repair work.
h When draining the HKF 8180, do not touch the hot water.
B
Fig. 8: Dismantling the circulating pump

6.3.2 Fitting the circulating pump

■
Replace damaged or faulty gaskets if necessary.
■ Insert the circulating pump and tighten the nuts (for tightening torques, see "Technical data" on page 18).
■
Connect the wiring to the circulating pump as per the electrical wiring diagram.
■ Slowly open the ball valves (multi-function fittings, pos. A, Fig. 9 on page 15) by turning the thermometer
handle (see "Thermometer handle settings" on page 11).
■
Prime the HKF 8180 slowly with pressure and vent the system, if necessary.
Switch the circulating pump off during the venting process.
Page 14
warning
note
HKF 8180 Version 1.0en
A
05/2013