1) These instructions are ONLY for suitably qualified personnel.
2) When selecting a Programmer make sure that it is suitable for combi boiler applications.
3) Isolate electric supply.
4) Remove control panel cover.
5) Snip all 5 wires from the Summer/Winter switch, remove and discard tags from the Summer/Winter switch.
6) Connect the 5 loose tails from JP8 on the PCB to a 5 way connector (not supplied) inside the control panel.
7) Bring the cable from the programmer through a spare knockout using a strain relief bush. Cable to have 4
wires and earth.
8) Connect as shown in the diagram, ie:
Programmer L to JP8-2
Programmer N to JP 12-3
Programmer CH ON to JP8-1
Programmer HW ON to JP8-4
Connect earth wire (if supplied) to the control panel earth post, (not shown in the diagram).
9) Leave connections 3, 5 & 6 of JP8 unconnected.
10) Replace control panel cover.
11) Reinstate electric supply.
Note-
Advise the customer that the Summer/Winter switch is inoperative. Alternatively remove the switch
Page 36 of 57
Installation & maintenance manual for Camray 5 Combi External Boilers
14/04/2005
file://D:\PL61500\PL61500.htm