Mamiya C28 Boiler User Manual


 
SERVICING
mini HE --- Installation & Servicing50
73 CONDENSATE TRAP REPLACEMENT
1 Disconnect the electrical supply
2 Remove front and right hand casing panels
(refer to frame 42).
3 Disconnect t he trap from the draining pipe.
To clean the condensate trap and drain
4 Unscrew the bottom cover and remove the inner fitting
and ball.
5 Check and clean all parts thoroughly.
6 Check and clean the dis charge pipe from the boiler to the
drain.
To replace the condensate trap
7 Using pliers, remove the spring A moving it upwards.
8 Remove the nut B and lower the trap.
9 Disconnect the wirings from the trap.
10 Reass e mble car r ying out the removal operations in
reverse order.
A
B
74 PROGRAMMER REPLACEMENT
(if fitted)
1 Disconnect the electrical supply .
2 Gain access to the electronic control/ignition p.c.b. (steps
1 to 4 of frame 62).
3 Disconnect the wiring at the programmer.
4 Squeeze the hooks that h old the programmer on the
control panel fascia and withdraw the faulty progr ammer.
5 Re---assemble in reverse order.
When reassembling the new programmer, refer to the wiring
diagram in frame 31 for the correct wiring connection.
6 Replace the panels and check the operation of the new
programmer.
SERVICING