Replace The Plate Heat Exchanger; Replace The Pressure Relief Valve (Prv) - Worcester Greenstar 1000 GR1000W 24 C NG Installation And Maintenance Instructions Manual

Replacement parts

10.27 Replace the plate heat exchanger

▶ Before disassembly the plate heat exchanger, remove the
condensate trap and the condensate trap inlet and outlet pipes.
1. Remove the screw.
2. Remove the plate heat exchanger.
Fig. 174 Removing the plate heat exchanger

10.28 Replace the pressure relief valve (PRV)

Disassemble the pressure relief valve
Fig. 175 Pull off the PRV pipe
▶ Loosen the nut.
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2.
1.
0010005834-002
0010051826-001
▶ Remove the PRV pipe.
Fig. 176 Disassembly of the pressure relief valve
[1] Pressure relief valve
[2] Clip
▶ Pull off the clip [2] from the manifold.
▶ Take out the pressure relief valve [1] to the left.
Assemble the pressure relief valve
▶ Place the new pressure relief valve into the manifold.
▶ Assemble the clip into the manifold.
1.
2.
Fig. 177 Assembly of the PRV pipe
▶ Assemble PRV pipe to the structure.
▶ Tighten the nut.
1 2
Greenstar 1000 – 6721835943 (2023/08)
0010046025-001
2.
1.
0010051827-001