Assembly
Greenstar – 6721852556 (2022/11)
8
Fig. 8
Discharge pipe
[1]
Discharge pipe (turned back onto external wall example)
[2]
Outside wall
[3]
Discharge pipe (into drain or gully example)
[4]
External drain
4.4
Mounting the filling device
You have the following options for filling the system:
• Keyless filling loop (accessory, see separate instructions)
• Filling loop provided by the customer on the cold mains inlet
• Filling loop provided by the customer on the primary side return
System separator provided by the customer
▶ The sealed heating system must be filled using a WRAS approved
filling loop. See the following figure.
▶ Make sure the heating system is treated using a suitable inhibitor (
Appendix, Specifications).
▶ Mount filling loop between the pipes of the primary side return or
cold water inlet and the heating flow.
Fig. 9
Filling loop provided by the customer
[1]
Primary circuit return / cold mains inlet
[2]
Shut-off valve
[3]
Non-return component
[4]
Test point
[5]
Pipework (filling loop)
[6]
Heating circuit flow
5
Assembly
5.1
Quick reference guide
▶ For detailed information, refer to the following chapters.
Fig. 10 Attach template, drill holes, install wall mounting bracket and
mounting plate
Fig. 11 Insert gaskets and hang HIU
1
2
3
4
2
3
4
1
2
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