WarmFlow Utility Combi UC70HEE - 7 Oil Supply; One Pipe Gravity System

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6.3.4 Combi Pump Overrun Thermostat
The condensing Combi boilers have been fitted with a pump overrun thermostat.
In order for the thermostat to work effectively the boiler must be supplied with a
permanent live via the 3 pin mains plug. Failure to do this will result in nuisance
trip outs.
6.4 Installation of a Warmflow Combi Optional Programmer (PC1)
1. Disconnect the electrical supply.
2. Drop down control box front (2 screws).
3. Disconnect the 6 pin plug from the CH/HW on/off switches.
4. With a sharp knife cut out the outline of the panel knockout through the facia
label from the front of the panel.
5. With a hacksaw blade or snips remove the knockout piece ensuring that all
metal tags or burrs have been removed from the hole.
6. Feed the programmer and harness through the hole from the front of the
panel.
7. Secure in position by attaching the securing bracket to the rear of the
programmer.
8. Plug the wiring harness into the 6 way socket.
9. Activate battery back up on the programmer by removing the plastic strip.
10. Close the control panel cover and reconnect the electrical supply.
11. Using the operating instructions located towards to back of this manual or
supplied with the programmer, set the switching times.
.