Boiler (Serial Numbers Of 0500151 And Over) - Dimplex ASCARI MA12 Installation Manual

1.3 - Boiler (serial numbers of 0500151 and over)

Two options are available:
Option 1 - Operating from a Switched Live
Switched Live
1. The switched live from the 10-way connector block should be connected to terminal 25, which is located
beside the relay located in top right of the boiler.
2. In the set-up menu, set option 04 to 1
3. Auto-adaptability (option 6 of the set-up menu) should be turned off.
4. The minimum central heating circuit temperature (option 3 of the set-up menu) should be selected to
provide central heating and hot water safely.
5. The boiler should be set to operate in winter mode (press and hold the radiator key until the snowflake
indicator illuminates).
6. All other options in the set-up menu should be set to the Menu options listed below.
Option 2 – Direct Cylinder Thermostat & Room thermostat connections
• The brown wires should be removed from terminals 1 and 2 and be placed into terminals 5 and 6
respectively.
• The room thermostat no-volt Normally Open contacts of the room thermostat should be connected
between terminals 1 and 2 of the boiler. In the set-up menu, set option 04 to 1.
• The cylinder thermostat normally open contact (240V) should be connected to terminal 25, wich is
located beside the relay located in top right of the boiler.
• In the set-up menu, set option 12 to 01
set option 13 to 00
Ascari MA12 -p. 5 -