Heat Exchanger - Bosch WORCESTER GREENSTAR Ri ErP Series Installation, Commissioning And Servicing Instructions

SERVICE AND SPARES
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6
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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.
2.
1.
Fig. 84 Flow pipe removal
1. Refer to figure 85 and re move the three screws securing the turret to
the top of the boiler.
2. Turn the upper exhaust connector anti-clockwise to release from the
hook.
3. Pull the upper exhaust connector down.
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6720802047-05.1Wo
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2
1
3.
Fig. 85 Upper exhaust assembly
1. Refer to figure 86 and release the clip.
2. Move the lower exhaust connector up
▶ Remove the complete exhaust assembly.
1.
2.
Fig. 86 Release lower exhaust connection
1. Refer to figure 87 and unscrew the plastic nut.
2. Remove the nut from the bottom of the boiler.
3. Rotate lever to release the return pipe.
1.
2.
Fig. 87 Sump connections
1. Refer to figure 88 and lift the heat exchanger up to clear.
2. Pull the heat exchanger forward from the case.
Greenstar Ri
1.
2.
3.
ErP - 6 720 813 283 (2016/07)