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How to top-up the system pressure (Fig. 5-6)

The system pressure must be checked periodically to ensure the
correct operation of the boiler. The needle on the gauge should
be reading between 15-22 psi (1-1.5 bar) when the boiler is in an
off position and has cooled to room temperature. If the pressure
requires ‘topping-up’ use the following instructions as a guide.
- Locate the filling valve connections (usually beneath the boiler,

see Fig. 5).

- Attach the filling loop to both connections (if available).
- Open the filling valve slowly until you hear water entering the

system.

- Close the filling valve when the pressure gauge (on the boiler)

reads between 15-22 psi (1-1.5 bar)

- Remove the filling loop from the connections.

How to reset the boiler

When the red fault LED is illuminated, the boiler will need to be
reset manually. Before resetting the boiler, check what action is
required to be taken, using the information on the fault code table
below. Allow a period of two minutes to elapse before rotate the
status mode knob. To reset the alarm, the status mode knob must
be rotated to the OFF position.

Fig. 6

flow/return

pipe

control

valve

temporary

connection

control

valve

supply

pipe

double

check valve

Fig. 5

correct

pressure

value

IMPORTANT

If the boiler requires to be reset frequently, it may be indicative of
a fault, please contact your installer or Raypak Customer Services
for further advice.

How to shut down the system for short
periods

The system and boiler can be shut down for short periods by
simply turning the mode selector switch to the off position. It is also
advisable to turn off the main water supply to the house.

How to shut down the system for long
periods

If the house is to be left unoccupied for any length of time –
especially during the winter – the system should be thoroughly
drained of all water. The gas, water, and electricity supply to the
house should also be turned off. For more detailed advice contact
your installer.

How to care for the boiler

To clean the outer casing use only a clean damp cloth. Do not
use any scourers or abrasive cleaners. Damage to the cabinet
finish may occur.

CODE

ACTION REQUIRED

AL10 Reset boiler. Call service technician if fault re-occurs

AL20 Reset boiler. Call service technician if fault re-occurs

AL21 Reset boiler. Call service technician if fault re-occurs

AL26 Reset boiler. Call service technician if fault re-occurs

AL28 Reset boiler. Call service technician if fault re-occurs

AL29 Reset boiler. Call service technician if fault re-occurs

AL34 Reset boiler. Call service technician if fault re-occurs

AL40 Check system pressure and refill if necessary.