Bosch Worcester Greenstar CDi Compact ErP Series Installation, Commissioning And Servicing Instruction page 27

Integral filling link
Fit the Integral Filling Link, supplied with the boiler,
before hanging the boiler on the frame.
Fitting the Filling Link assembly at this stage will be easier than when the
boiler is hung on the wall frame.
▶ Close the isolating valves on the DHW inlet and CH return
connections.
There may be mains and system water pressure behind
the blanking plugs.
▶ Unscrew the blanking plugs from the DHW inlet and CH return
connections.
▶ Place the filter inside the inlet of the Filling link, ensuring that the
mesh is inside the Filling link assembly.
▶ Fit the Filling link assembly onto the DHW inlet and CH return
connections, refer to figure 31
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Fig. 31 Fitting the Filling link
[1] CH return connection
[2] Blanking plugs x 2
[3] Filling link assembly
[4] Filling key
[5] White control screw
[6] Filter
[7] M4 screws and washers x 4
[8] DHW inlet connection
▶ Ensure that the Filling link is pushed in fully to the locating tabs on
both sides of the assembly.
▶ Fit an M4 screw and washer in at least two places on each
connections.
▶ Ensure that the white plastic Control Screw [5] is turned clockwise
into the fully closed position.
Do not insert Filling key [4] at this stage.
▶ Open the isolating valves on the DHW inlet and CH return
connections.
CDi Compact ErP - 6 720 813 276 (2015/07)
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Fig. 32 Location tabs
[1] Locating tabs
Gas and water connections
WARNING: Bonded washer for gas (3)
▶ The bonded washer must be used on the gas pipe
isolating valve connection.
▶ Connect the system pipes using the compression nuts and olives
supplied in the Literature/Hardware pack.
1. CH flow (22mm),
2. DHW outlet (15mm),
3. Gas inlet (22mm bonded washer),
4. Domestic Cold Water inlet (15mm),
5. CH return (22mm),
▶ Fit sealing washers to service valves before hanging boiler.
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Fig. 33 Sealing washers
INSTALLATION
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