Bosch Worcester Greenstar Ri ErP + Series - Heat Exchanger

SERVICE AND SPARES
6 720 821 670 (2018/06) 55
Fig. 81 Initial location of the clamping plate
[1] Retaining plate assembly
[2] Clamping plate
[3] Gasket
[4] Bracket
[5] Underside view of the clamping plate
[6] Mating surface
[7] Location edge
[8] Air/Gas manifold assembly
▶ Tighten the nut on the retaining plate assembly [1] until the underside
face of the clamping plate mates with the top of the heat exchanger as
indicated by the two arrows in figure 83
Refer to figure 82 for detail of the clamping and mating surface [6]
▶ It is important to clamp the plate down firmly, without over tightening,
to the heat exchanger to ensure a gas tight seal
Fig. 82 Clamping plate detail
Fig. 83 Clamping plate secured
7.8.12 HEAT EXCHANGER
▶ Drain the system.
▶ Remove syphon.
▶ Remove the air/gas manifold and fan.
1. Refer to figure 84, remove the clip from the elbow on the flow pipe.
2. Pull flow pipe away from heat exchanger.
Fig. 84 Flow pipe removal
1
4
3
2
6720802047-03.1Wo
5
2
1
7
6
6720802047-05.1Wo
6720802047-06.1Wo
8
2
1
1.
6720644744-51.1Wo
2.