Generalities; Introduction; Important Information - Dimplex ASCARI MA 12 Installation And Servicing Instructions

Features
• Selectable Water Temperature
- radiators / Underfloor (21-80°C)
• 60°C or 100°C thermal cut-out suitable for underfloor heating or radiators
• Room thermostat operation
• Frost protection, 5°C minimum temperature
• 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
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.

1.1 - 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
conversation areas.
The unit is supplied ready for operation as a 12kW 230V sigle 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 4kW upon which the boiler will proportionnaly 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°C or 100°C the boiler is suitable for
standard wet radiators 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.

1.2 - Important information

• The information given in this booklet is a guide only. All installations must follow the current regulations for
this type of device and where no information or conflicting information is given in this guide to that of the
current regulations, the current regulations will apply.
• Disconnect the Electricity Supply before attempting to remove the cover of the boiler.
• The boiler weighs 38kg and requires two persons to lift and install the product. Please ensure all mounting
fixings and the wall onto which it is to be installaed are sufficiently strong to take the weight of the unit plus
its water contents.

1 - GENERALITIES

Water heating
Ascari - 12kW -page 3 -