HAMWORTHY HEATING LTD
21
CHESIL-ELECTRONIC
500001181/K
9)
Feed the end of the level switch wire back through the heat shrink tubing, through the cable gland (& nut) &
into the control box.
10)
Reconnect the end of these wires to terminals 1& 2 of the main control board.
11)
Tighten the cable gland nut and put the control box lid back on.
12)
Reconnect the electrical supply to the unit. The unit should go into General Alarm mode.
13)
Reconnect the mains water supply which should lift this alarm.
14)
Lift the front cover back on & secure with screw.
10.9 Inlet Valve
(Part N° 531911038)
The inlet valve and float in the header tank are supplied as one assembly (see fig 14).
1)
Isolate the unit from the water supply.
2) Undo 1/2”BSP connection to remove supply pipe.
3) Unscrew the lock nut from the inlet tube. The valve and float are now free to be removed.
4)
On the standard unit there is a black spacer which fits between the tank and the chassis. This must be
refitted when a new assembly is installed.
5)
Once fitted the float adjustment should be set to the lowest level (see section 7.5).
10.10 Non-Return Valve
(Part N° 531911040)
1)
Follow the procedure for removal of the pump (see section 10.2).
The valve is inside the brass quick release fitting shown in figure 34.
2)
Unscrew the brass fitting from pump.
3)
Push the valve out from the brass fitting (see fig 33).
Figure 34 - Non Return Valve Fitting
Location
On
Pump
Figure 32 - Level Switch As Supplied
Figure 33 - Non Return Valve Assembly
Figure 31 - Level Switch In Tank
Summary of Contents for 563216016
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