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▶ Install the motor in the sequence shown.
– Insert the motor and align above the ball head. Push down to
engage.
– Pull gently on the motor to ensure it has properly engaged onto the
ball.
– Push the motor in and fasten it in place using 2 screws.
– Connect the plug.
3. 3.
3.
4.
3. 3.
Fig. 186 Installing the motor in the 3-way valve (variant with screws)
10.32 Replace the pump
3
4
3
Fig. 187 Disassembly of the heating pump
[1]
Connecting clamp
[2]
Pump head
[3]
Screws
[4]
Plug
▶ Disconnect the plug [4].
▶ Loosen the connecting clamp [1] between the pump and the heat
exchanger.
▶ Loosen the screws[3].
▶ Remove the pump head [2] to the front.
▶ Assemble the new pump in reverse order.
Greenstar 1000 – 6721835943 (2023/08)
1. 1. 1.
1. 1. 1.
2.
0010031703-001
1
2
3
0010042982-001
10.33 Adjusting the operating pressure of the heating
system
Display on the pressure gauge
1 bar
Minimum charge pressure (when system is cold)
1 - 1.5 bar
Optimal charge pressure
3 bar
Maximum charge pressure at maximum heating
water temperature must not be exceeded (pressure
relief valve opens).
Table 33
If the indicator is below 1 bar when the system is cold:
▶ Top up the water until the indicator is between 1 bar and 1.5 bar
again.
If pressure is not being maintained:
▶ Check tightness of expansion vessel and heating system.
10.34 Tightening the flue adaptor
▶ After change the rainguard, do not over-tighten.
Fig. 188 Tightening screws
Replacement parts
0010042753-002
85
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