Fitting the Filling Loop Kit

Note: Full instructions are provided in the Filling Loop Kit pack.

	10.0 Installation


10.3		Fitting the Filling Loop Kit
1. The filling loop kit supplied with the boiler can be
connected to the taps on the wall plate at this point.
(Either one of two types of loop kit will be supplied -
both function in the same way, differing only in detail).
2. The filling loop is to be connected between the mains
cold water inlet and central heating return isolation taps.
3. The loop and valves must be connected as described
in the instructions supplied with it.
4. Note the orientation of the flow direction arrows on
the stop valve and double check/stop valves.

Blanking Caps

Hose and

Fitting

Cold Inlet

Fig. 44a

CH Return

Pressure

Gauge

Blanking

Plugs

5. Remove the blanking caps from the mains cold water

inlet and central heating return isolation taps (Fig. 44a).

Connect the valves to the taps, ensuring that the fibre

washers supplied are used on these joints.

6. Connect the temporary loop, ensuring that the seals

are fitted.

To fill, test and flush if required (Fig. 44b)

7. Take the blanking plugs from the kit, and using washers
supplied with the boiler, connect them to the central
heating flow and return taps, and the cold inlet tap. The
system can now be filled by opening the cold inlet supply
and stop valves.
8. If desired a suitable gauge can be connected to one of
the taps so that the system may be accurately
pressurised.
9. All joints, fittings and system components can now be
examined for soundness at operating pressure.
10.	The system can be flushed by turning off the central
heating tap and connecting a suitable fitting to the loose
nut. From the fitting a hose pipe can be run to the
nearest convenient drain. When the tap is reopened the
system will flush.
11.	Remove the blanking plug(s), pressure gauge and
flushing equipment from the appliance if used.
12.	Continue with the installation and commissioning.
13.	The filling loop must be disconnected and completely
removed after the system is pressurised.
14.	Depending upon the type of kit supplied either hand

Fig. 44b

tighten the two previously removed blanking caps to the

stop valve and double check valve, or use the caps

supplied in the kit.

Potthof & Co 33kw, 24kw, 28kw manual Fitting the Filling Loop Kit