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Made in France
I
S
NSTALLATION AND
ERVICING INSTRUCTIONS
TO BE GIVEN TO THE USER
Ref. : 1871184 - 0106157
Cast iron installed
Model MA
electric boiler
• Electronic regulation
• 1 heating circuit
Model : ASCMA 12
Informations given in this manual are not contractuals,
may therefore change technical caractéristics or components without notice
Ascari - 12kW -page 1 -
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Table of Contents
Related Manuals for Dimplex ASCARI MA 12
Summary of Contents for Dimplex ASCARI MA 12
- Page 1 Made in France NSTALLATION AND ERVICING INSTRUCTIONS TO BE GIVEN TO THE USER Ref. : 1871184 - 0106157 Cast iron installed Model MA electric boiler • Electronic regulation • 1 heating circuit Model : ASCMA 12 Informations given in this manual are not contractuals, may therefore change technical caractéristics or components without notice Ascari - 12kW -page 1 -...
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Page 2: Table Of Contents
CONTENTS - Generalities ....................... p. 04 1.1 - Introduction ..........................p. 03 1.2 - Important information ........................p. 03 1.3 - Description ..........................p. 04 1.4 - Dimensions - Hydraulic Connections ................... p. 06 1.5 - Datas ............................p. 07 - Installation ......................... -
Page 3: Generalities
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. -
Page 4: Description
• The heating system must be installed by a competent person and to current regulations in force at the time. • All wiring should conform to the regulations in force at the time. The appliance is approved to a protection rating of IPX1. - Page 5 Electric connection of the 60°C temperature limitator for use with a low temperature system. 60°C 100°C Dual connector 100°C 60°C Disconnect dual connector and connect the two female connectors to the 60°C safety limitator. 1.3.2 - Water temperatures settings summary Parameter # 02 Maximum boiler's Heating system...
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Page 6: Dimensions - Hydraulic Connections
1.4 - Dimensions - Hydraulic connections Decoding Bottom view - 3 speed pump (Trapdoor to access elements removed) - 8 liters expansion vessel - 3 bar safety relief bleeder - La ck of water sensor - 60°C safety limitator - 100°C safety limitator - Boiler's sensor Elements fastener - Control pannel... -
Page 7: Datas
1.5 - Datas ASCARI Designation 12 MA 230 V mono Heat exchanger Cast iron Elements 2 heaters comprising 3 x 2kW incoloy elements Maximum output P1 (ex-work wiring) 12 kW Nbr of power stages 230 V mono 50Hz * power supply 230V tri 50Hz * power supply P4 = 6kW Maximum output P1 adjustment * changing... -
Page 8: Installation
2 - INSTALLATION REQUIREMENTS 2.1 - Location • The boiler must be located at least 300mm above any object to allow the elements to be removed. At least 100mm is required at the top of the boiler to allow for connection of pipework. •... -
Page 9: Hydraulic Connections
2.2.2 - Main unit • Once the location of the boiler has been selected, mark the hole positions as per firgures below. Use a spirit-level to ensure the holes are aligned correctly. Access to the bottom screw hole is Ø8 screw plug achieved by removing the bottom element plate. -
Page 10: Plumbing
2.8 - Plumbing • The system should be flushed prior to connecting the boiler to remove all particles from the pipework. Do not use the fitted pressure relief valve to flush the system as particles trapped in the valve will cause incorrect valve operation. -
Page 11: Electric Connections
3 - ELECTRIC CONNECTIONS IMPORTANT NOTICE Electric connections might be loosed during transportation. To avoid abnormal overheat, carefully check quick connection terminals and screwed connections. • Wiring external to the appliance must be in accordance with the current I.E.E. Wiring Regulations (BS 7671) for electrical installation and any local regulations, which apply. -
Page 12: Electric Flow Rate, Number And Cross-Section Of Power Connectors, Fuse Protection
3.1- Electric flow rate, number and cross-section of the power connectors, fuse protection 3.1.1 - Electric datas Amperes for each phase Boiler Maximum output P1 230 V mono ASCARI 12 12 kW 52 A 3.1.2 - Number and cross-section of connectors IMPORTANT Follow local existing regulations regarding electric connections Electric connections to mains must be installed according to local and national regulations, which generally... - Page 13 MAXIMUM cross-section for each connector in mm² Maximum and number of connector for above example Boiler output P1 230 V mono ASCARI 12 12 kW 2 x 16² + G * * : Cross-section of ground connection must be equivalent to cross-section of largest phase/neutral. Manufacturer cannot be, for any reason, regarded as faulty in case of improper choice of connection wires to mains, or in any case of damages resulting from installation solutions.
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Page 14: Power Terminal
3.2 - Power terminal Put the self-sealing nut (supplied with the boiler) for connection to mains from the top of the casing. In Put the self-sealing nut (supplied with the boiler) for this case remove the plastic cap and close the hole connection to mains from the bottom of the casing. -
Page 15: Connection To Mains Depending On Power Supply
3.3 - Connection to mains depending on power supply Ground Neutral : see § 3.1 for connectors cross section and requested fused switch or Phase electro-thermic breaker. : Denuded length of wires between 16 and 17mm Ascari - 12kW -page 15 -... -
Page 16: Regulation Circuit
3.4 - Regulation circuit drawing brown brown brown white brown white grey grey pink S.Ext pink phase blue orange black external command grey yellow white black white yellow blue blue 60°C 100°C AQS1 AQS2 blue blue neutral blue blue blue Decoding : : Phase AQS2... -
Page 17: Control Accessories Wiring
3.5 - Control accessories wiring External S.Ext command 1 - 2 External command relay contact 3 - 4 Outside temperature sensor 10 - 11: Total cut-out DT (remove the bridge) and / or 65°C heating floor safety limitator (mandatory) with manual reset. See §... -
Page 18: Wiring Diagrams
3.6 - Wiring diagrams black blanc GND 1 gris yellow +Vdc 2 white pressure sensor connect. jaune OUT 4 +Vdc pink 230 V / 12 V pink Outside sensor (S.Ext) grey adaptator grey DHW sensor (S.ECS) black white white white boiler's sensor (SC) brown brown ambience thermostat (TA) - Page 19 black yellow white black white L4 A1 white brown brown blue bleu bleu Légende : AQS1 60°C Safety limitor with manual reset K1 to K4 : 20A power breakers AQS2 100°C safety limitor with manual reset T1 & T2 : 6kW heating elements Ascari - 12kW -page 19 -...
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Page 20: Heating Elements Connections
3.7 - Heating elements connections Connections of the heating elements will have to be adjusted according to requested output, depending on the volume and the insulation of the space to heat. 12 kW 10 kW* ex-work wiring 8 kW* 6 kW* : Red : Black : White... -
Page 21: Basic Hydraulic Patterns
NOTE : Bristish Standard BS7593 : 1992 stresses the importance of cleansing and flushing of the system to ensure it continues to run efficiently with the minimum of maintenance necessary. Dimplex fully support this professional approach and recommend that the system is cleased with an effective chemical cleanser and protected long term with a suitable inhibitor. -
Page 22: Speed Water Pump
5 - 3 SPEED WATER PUMP II II II II I I I I I 3 speed (I, II et III) water pump for adjustment to operating needs, depending on insulation and circuit The boiler is factory set at pump speed 3, for lower pump speeds the selector in the centre of the pump may be turned to 1 or 2 using a large flat bladed screwdriver. -
Page 23: Electronic 2 Circuits Regulation
6 - 2 CIRCUITS ELECTRONIC REGULATION 6.1 - Generalities - Possible monitoring of the heating circuit water pump to the external command for a better adjustment. - Possible automatic adjustment of the requested temperature when using an external command without timer. -
Page 24: Control Command Pannel
6.2 - Control pannel description Usual operating functions Boiler's temperature display in °C. When the boiler is off and the two middle horizontal LEDs on, antifrost protection is operating. (flashing in case of sensor failure) (Glittering • displays normal Summer mode green LED operating) Winter modegreen LED °... -
Page 25: Setting The Regulation
6.3 - Regulation settings For fitter's use only. The regulation must be adjusted according the use of the boiler. • Press (3 sec) to start setting menu for 4 minutes. • Parameter # starts blinking in front of "°C" • Press (instant touch) to select next parameter, i.e °C, ... - Page 26 PARAMETERS LISTING Press during 3 sec to access parameters menu. Available if Paremeter # Description Setting range Ex-word settings Electric boiler (no = O ; yes = 1) 0 or 1 1 mandatory Maximum requested boiler's temperature 21 to 80°C 80°C (TCMA) Minimum requested boiler's temperature...
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Page 27: Operating
6.4 - Operating Display in front of symbol "°C" means the boiler is off, connected to power supply, with anti frost protection operating (boiler starts automatically when the boiler's temperature or the Domestic Hot Water temperature turns below 5°C). Press to turn the boiler On or Off. - Page 28 6.4.4 - Programming the maximum output setting of the boiler To allow the power supply of the boiler with small size connectors and fuses (see § 3.1) it is mandatory to disconnect the heating elements (see § 3.7) to fully stop the power supply of the boiler.
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Page 29: Counters
2 FLASHING SEGMENTS in front of bar -indicate the system pressure has fallen below the minimum operating pressure. • Check if water has discharged from the pressure relief valve. If so call a Dimplex service agent. • Check for leakage in the system. - Page 30 Servicing It is recommended that the boiler be installed and serviced regularly by a Dimplex service agent to ensure continual trouble-free operation. For details of service agents in your area please contact : Glen Dimplex UK Limited Millbrook House Grange Drive...
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Page 31: Heating Diagram
7 - HEATING DIAGRAM The heating diagram will be set according the following four parameters (see § 6.3) : - TCMA Maximum boiler's temperature - TCMI Minimum boiler's temperature - TEMA Maximum outside temperature or temperature of summer/winter shift - TEMI Minimum outside temperature or basic outside temperature 7.1 - Underfloor heating... -
Page 32: Specific Heating Diagram
7.3 - Specific heating diagram Requested boiler's temperature TC (°C) Outside temperature Text (°C) Ascari - 12kW -page 32 -... -
Page 33: Maintenance
8 - MAINTENANCE Once a year we recommend to have the boiler checked by a qualified technician. - Pressure inside the heating circuit needs to be controlled a a regular basis (pressure when cold will have to remain over 1 bar). - Frist a few days after cut-over, later at least once a year, check electric connections tightness of the heating elements and power supply. -
Page 34: Spare Parts
Fastening the pump If the pump is producing some abnormal noise, slightly unscrew without creating leackage, then screw again following instructions below. 1 - screw two opposite screws with a stroke of 3 2 - screw the other two opposite screws with a stroke of 3 Nm 3 - screw the first two opposite screws with a 4 - screw the last two opposite screws with a...