Dimplex ASCARI MA12 Installation Guide

Ascari MA12 -p. 1 -INSTALLATION GUIDERef. : 1871184 - 0107103ASCARI MA12ELECTRIC HEATING BOILER

Ascari MA12 -p. 10 -2.2 - Important Information• The information given in this booklet is a guide only. All installations must follow the currentregu

Ascari MA12 -p. 11 -• A drain cock should be installed at the lowest point in the heating system to allow the water in theheating system to be drained

Ascari MA12 -p. 12 -MECHANICALWeight 38kgDimensions 620mm h x 405mm w x 280 dRating IPX1Storage capacity 5 litresConnections 1"( 26/34) femaleHe

Ascari MA12 -p. 13 -2.4.2 - Electrical CompartmentWith the cover removed access to the electrical connections is achieved by undoing the screw of the

Ascari MA12 -p. 14 -2.5 - Installation Requirements2.5.1 - Location• The boiler must be located at least 300mm above any objectto allow the elements t

Ascari MA12 -p. 15 -2.6.2 - Plumbing2.6.2.1 - Radiators / Underfloor• Install the heating system bringing the flow and returns to the boiler location.

Ascari MA12 -p. 16 -• A filling loop must be installed that isolates from the cold mains water supply from the heating system andcomplies with the cur

Ascari MA12 -p. 17 -2.7 - Electrical• Wiring external to the appliance must be in accordance with the current I.E.E Wiring regulations (BS 7671)for el

Ascari MA12 -p. 18 -2.7.1 Power selectionThe boiler is supplied as a 12Kw modulating boiler but can be reduced to 10, 8, 6 or 4kw by disconnectingindi

Ascari MA12 -p. 19 -• Refill the system from the filling loop, to a pressure between 1-1.5bar (0.1-0.15MPa) and operate thepressure relief valve manua

Ascari MA12 -p. 2 -1 - Installation ans configuration... p. 031.1 - Q

Ascari MA12 -p. 20 -2.9.1 Automatic/ Manual OperationThe boiler must be set to Manual operation as follows:Press and hold the Auto/Man button for 3 s

Ascari MA12 -p. 21 -Decoding1 - 3 speed pump2 - 8 liters expansion vessel3 - 3 bar safety relief bleeder4 - La ck of water sensor6 - 60°C safety limit

Ascari MA12 -p. 22 -1:Introduce the blade of the driver into the opening located justabove or bellow the mark with a slight pivoting move to center.2:

Ascari MA12 -p. 23 -2.15 - Connection to the electricity supplyI: 63A fused supply on the consumer unitvia a double pole limited switch withminimum

Ascari MA12 -p. 24 -2.16 - Regulation circuit drawing2.16.1 - Operating from a switched liveL1 : LiveN : NeutralF : 4A fuse size 5 x 20C1 : Electronic

Ascari MA12 -p. 25 -2.16.2 - Direct room thermostat connections and direct cylinder thermostatL1 : LiveN : NeutralF : 4A fuse size 5 x 20C1 : Elect

Ascari MA12 -p. 26 -2.17 - Control accessories wiring2.17.1 - Operating from a switched live1 - 2 : External command relay contact3 - 4 : n/a5 - 6 :

Ascari MA12 -p. 27 -2.17.2 - Direct room thermostat connectionsand direct cylinder thermostat1 - 2 : Direct room thermostat connections3 - 4 : n/a5 -

Ascari MA12 -p. 28 -Légende :AQS 160°CwhiteyellowgreyGNDOUT+Vdc230 V / 12 Vadaptator654321blackredyellowwhitepinkgrey DHW sensorpink Outside sens

Ascari MA12 -p. 29 -AQS1 : 60°C Safety limitor with manual resetAQS2 : 100°C safety limitor with manual resetLégende :L2L3L1L4 A1A2T4T3T2T1K2L2 L3L1 L

Ascari MA12 -p. 3 -1 - INSTALLATION & CONFIGURATION1.1 - Quick reference Guide1. It is recommended that the boiler be connected to a 10hour or sim

Ascari MA12 -p. 30 -3 speed (I, II et III) water pump for adjustment to operating needs, depending on insulation and circuitElectric datasIIIIIIIIIIII

Ascari MA12 -p. 31 -bar° CAutoManuUsual operating functionsBoiler's temperature display in °C.When the boiler is off and the twomiddle horizontal

Ascari MA12 -p. 32 -For fitter's use only.The regulation must be adjusted according the use of the boiler.• Press and (3 sec) to start setting

Ascari MA12 -p. 33 -Available if Paremeter # Description Setting range Ex-word settingsElectric boiler (no = O ; yes = 1) 0 or 1 1 mandatory(1)Maximum

Ascari MA12 -p. 34 -2.22 - OperatingDisplay in front of symbol "°C" means the boiler is off, connected to power supply, with anti frostp

Ascari MA12 -p. 35 -2.22.5 - Temperatures displayDuring normal operating the boiler's temperature, i.e : is on display in front of symbol &quo

Ascari MA12 -p. 36 -2.24 - Failures displayThe boiler has many selectable options. Please ensure the correct selections are made for the type ofinsta

Ascari MA12 -p. 37 -Once a year we recommend to have the boiler checked by a qualified technician.- Pressure inside the heating circuit needs to be co

Ascari MA12 -p. 38 - Fastening the pumpIf the pump is producing some abnormal noise, slightly unscrew without creating leackage, then screwagain foll

Ascari MA12 -p. 39 -NOTE

Ascari MA12 -p. 4 -1.2 - Install Options1. SPACE HEATING ONLY (recommended)-direct room thermostat Connection• The no-volt contacts of the room ther

Ascari MA12 -p. 40 -

Ascari MA12 -p. 5 -1.3 - Boiler (serial numbers of 0500151 and over)Two options are available:Option 1 - Operating from a Switched LiveSwitched Live1.

Ascari MA12 -p. 6 -1.4 - Menu OptionsThe set-up menu should be configured as follows, some of these parameters will be modified by instructions inthe

Ascari MA12 -p. 7 -1.5 - Summer / Winter ModeThe right-hand snow flake symbol should be illuminated indicating winter mode. If the sunshine symbol isi

Ascari MA12 -p. 8 -

Ascari MA12 -p. 9 -2 - INSTALLATION & DEVICING INSTRUCTIONSFeatures• Selectable Water Temperature- radiators/ Underfloor (21-80oC)• 60oC or 100oC