Worcester GREENSTAR 24i Junior Installation Instructions Manual page 29

Wall hung rsf gas-fired condensing combination boiler
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NOTICE: The pressure relief connector
must be repositioned after the boiler has
been correctly mounted to the wall
mounting frame.
To ease assembly of components, apply
silicone lubricant to sealing surfaces.
1. Push the lever on the pressure relief connector UP
until the stop on the inside of the handle is over the
shoulder of the metal bracket to secure in place.
Fig. 29 PRV in the up position
2. Remove the screw from the control panel retaining
bracket and lower the control panel into the service
position.
3. Make connections to the heating system.
Connect the gas supply to the boiler gas cock 22mm
compression.
Connect mains water in and DHW out.
6 720 644 741a (2010/10)
1.
Connect the expansion vessel flexible pipe to the
hydraulic manifold situated to the left of the pump:
B Remove and discard the plastic cap from the
expansion vessel flexible pipe.
1. Refer to figure 30, release the retaining clip (1)
2. Remove and discard the orange plastic blanking plug
(2) from the pressure vessel connection at the
hydraulic manifold.
1.
Fig. 30 Expansion vessel connection
1. Refer to figure 31 and insert the expansion vessel
flexible pipe it to the fitting on the pump.
2. Secure in place with the wire retaining clip.
2.
Fig. 31
B Connect the pressure relief drain pipe to 15mm
compression joint using the compression nut and
olive supplied in the literature/hardware pack.
INSTALLATION
2.
6720643895-27.1Wo
1.
6720643895-28.1Wo
29

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