Replacement parts
69
Greenstar 4000 – 6 720 891 162 (2020/09)
9.10
Pressure gauge removal
At the rear of the boiler:
1. Release the clip securing the pressure gauge connection [1].
2. Remove the capillary from the support clip [2].
3. Pull the connection down to remove [3].
Fig. 96 Rear view of pressure gauge connection
From the front of the boiler:
1. Release at least two of the retaining clips on the pressure gauge
mount.
2. Pull the pressure gauge forward and down to remove.
Fig. 97 Front view of pressure gauge
9.11
Replacing the control unit
Replacement control unit.
▶ The replacement control unit is not supplied with code plug or display
cover panel. These must be removed and refitted to the replacement
control unit.
Preparation before control unit removal.
▶ Loosen the retaining screw and open the cover.
▶ Remove connectors from the PCB on the both terminal strip sides.
– Power supply (power cables) terminal strip (2).
– Low voltage (signal cables) terminal strip (3).
▶ Remove connector for the Key accessory slot [4].
▶ Remove code plug [5].
Fig. 98 Control unit removal preparations
Control unit removal.
▶ Release the locking latches [1] and pull the control unit [2] out of the
cradle.
▶ Remove the display cover panel [3] from the control unit [2].
– Lift up and forwards to release the display cover panel [3].
Fig. 99 Control unit removal
▶ Install the control panel in the reverse order.
– Ensure all parts and connectors are fitted securely in position.
1.
3.
2.
0010036650-001
0010036649-001
2.
1
1
1.
0010035348-001
5
1
2
3
4
0010035349-001
3
2
1
1
2
