Installation And Devicing Instructions; Introduction - Dimplex ASCARI MA12 Installation Manual

2 - INSTALLATION & DEVICING INSTRUCTIONS
Features
• Selectable Water Temperature
• 60
• Room Thermostat operation
• Frost Protection, 5
• Pump protection - once a day operation when system is off
• Pump overrun facility
• 4-stage stepped turn on/off
• Weekly alternative switch start-up for prolonged life
• Automatic water temperature variation for 50% on-off cycles (with room thermostat)
• Switch operation counter – monitors switch usage
• System pressure display
Water Heating
It is recommended that the boiler be used for central heating purposes only and hot water be stored and heated
by a direct electric hot water cylinder. This allows hot water to be heated over night on an off-peak tariff and
reduces heat losses between the boiler and the cylinder.

2.1 - Introduction

The Dimplex Ascari boiler is an all electric domestic central heating boiler suitable for use on a 230V 52A 50Hz
supply. The unit is easy to install and requires no flue, making it ideal for apartments or properties in conservation
areas.
The unit is supplied ready for operation as a 12KW 230V single phase boiler and will automatically modulate
down to 10, 8 and 6KW. The maximum output power may also be manually limited to operation at maximum
power levels of 10, 8 , 6 or 4 kW upon which the boiler will proportionally modulate to lower power levels.
Finished in a clean white case and with dimensions of 620mm height x 405mm width, the boiler is suitable for
installation in a kitchen area. With thermal cut out selectable at 60
wet radiator systems or underfloor heating.
There are no ventilation requirements associated with the operation of this boiler, however to maintain a dry
atmosphere a well ventilated room is recommended.
- radiators/ Underfloor (21-80
o o
C or 100 C thermal cut-out suitable for underfloor heating or radiators
o
C minimum temperature
o
C)
o
C or 100
Ascari MA12 -p. 9 -
o
C the boiler is suitable for standard