18
Subject to change without notice | 83057100hUK – Translation into English of the original German operating manual | ait-deutschland GmbH
7.5
A*:+B$,-.$2**$1B0$B0,1/-6$,-.$
domestic hot water charging
circuit
"
Drain pipe of the safety valve is connected.
"
The front panel of the module box is unscrewed.
J
Ensure that the set pressure of the safety valve
is not exceeded.
1.
$8:**$ 1B0$ >T3*/?$R7X$ )II$ 1B0$ E))4$ )I$ 1B0$ D,*D0$
motor (1).
2. Pull the valve motor carefully upwards and off
the 3-way changeover valve (3).
1
2
3
2.
1.
3. Turn the spindle of the 3-way changeover valve
so that the rounded side of the spindle points in
1B0$./4031/)-$)I$',45/-6$`$)I$1B0$3)--031/)-+$)I$
the 3-way changeover valve.
A
B
4. Flush the domestic hot water charging circuit for
approx. 1 minute.
5. Turn the spindle so that the rounded side of the
+?/-.*0$?)/-1+$/-$1B0$./4031/)-$)I$',45/-6$K$)I$1B0$
connections of the 3-way changeover valve.
6. Flush heating circuit thoroughly, until no more air
is discharged.
7.
Position the valve motor (1) on the 3-way
changeover valve (3).
8.
$S-+041$ 1B0$ >T3*/?$ R7X$ /-1)$ 1B0$ E))4$ )I$ 1B0$ D,*D0$
motor.
1
3
1.
2.
2
9. Ensure that the U-clip has latched into position
correctly:
–
Valve motor sits securely on the 3-way
changeover valve.
–
Both prongs of the U-clip sit on the lug.
–
The tips of the U-clip are visible by approx.
7$''$R-)1$+/6-/23,-1*&$')40fX"
10. Unscrew the front panel of the module box.
