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®
HeatMaster
Installation, Operating and
Servicing Instructions
®
HeatMaster 201
excellence in hot water
28/09/2005 - 66402500.B
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INDEX INTRODUCTION INTRODUCTION 1 TARGET GROUP Target group 1 This manual is intended for the use of: Symbols 1 - final users of the appliance; Certification 1 - the engineer installing and starting up the appliance; General information and safety instructions 2 - the engineering and design department; - the installer responsible for servicing or maintaining the appliance. USER GUIDE 2 Using the boiler 2 SYMBOLS Setting the parameters 3 The following symbols are used in these instructions: DESCR
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INTRODUCTION GENERAL INFORMATION AND USING THE BOILER SAFETY INSTRUCTIONS Starting the burner During operation, the burner starts automatically as soon as the IF YOU SMELL GAS: temperature of the boiler is below the set point and goes off when - Immediately shut off the gas supply. this value is reached. - Ventilate the boiler room. - Do not use electrical appliances and do not switch anything on or off. Control panel - Immediately notify your gas company and/or your installer. Summer/Winter swi
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USER GUIDE SETTING THE PARAMETERS Setting the temperature of the hot water Stand by mode 1 X 1 X Store Mode 2 X 1 X Stand by mode Mode Step 1 X Store Setting the temperature of the hot water: (Temperature of the hot water) - Press “Mode”: “PARA” comes up on the screen. - Press “Step”: the first digit is 1 and the last two digits indicate the current temperature setting for the hot water. Enabling and disabling hot water mode - To change this temperature, press the “+” or “-” keys until the tempe
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DESCRIPTION CONSTRUCTION FEATURES OPERATING PRINCIPLE ® The HeatMaster is a high performance, direct fired hot water Outer body storage heater, which has indirect heat transfer due to its Tank-in- The outer body containing the primary fluid is made of thick STW 22 Tank construction. steel. ® At the heart of the HeatMaster is a stainless steel cylinder through TANK-IN-TANK heat exchanger which the flue tubes pass. This is surrounded by a mild steel shell The ring-shaped inner tank with its large
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DESCRIPTION “Tank-in-Tank” type storage Turbulators exchanger Heating outlet Flue ways Stainless steel pocket Primary circuit Heating return Combustion chamber Boiler drain cock Hot water outlet NTC 3 sensor Chimney reducer Cold water inlet Steam trap NTC1 and NTC2 sensor T&P valve (optional) Insulation Thermostat-pressure gauge bulb Low-water-level pressure switch Flange of the burner chamber plate 5
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TECHNICAL SPECIFICATION EFFECTIVE DIMENSIONS The appliances delivered are factory-tested. Upon receipt, remove the packing and check that there is no damage to the appliances. Refer to the dimensions and weights listed below for transport purposes. The jacket is fitted by the installer on site (see the assembly instructions in the wooden protective case). 338 250 302 250 190 F G 506 A C D B H E A mm B mm C mm D mm E mm F mm G mm H mm ® HeatMaster 201 2085 300 1020 1320 1020 600 1383 590 GENERAL
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TECHNICAL SPECIFICATION ® MAXIMUM OPERATING CONDITIONS HEATMASTER SETTING INSTRUCTIONS Maximum service pressure (tank full of water) Description ® - Primary circuit: 3 bar The HeatMaster 201 range is equipped with an electronic - Secondary circuit: 10 bar controller (MCBA) which controls the burner (start-up, safety, and modulation) and allows the controller to be adapted to the selected Test pressure (tank full of water) application. - Primary circuit: 4.5 bar - Secondary circuit: 13 bar The MC
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INSTALLATION BOILER ROOM Note: Important Regulations vary from country to country therefore • Keep vents free at all times. the table above is intended only as a guide. • Do not store inflammable products in the boiler room. • Do not store corrosive products near the boiler, such as paints, solvents, chlorine, salt, soap and other cleaning products. • If you smell gas, do not switch on the light or light a flame. Turn off Due to the high efficiency of our boilers, the flue gasses exit at low tem
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INSTALLATION Example of parallel connection HOT WATER CONNECTIONS Recommended for applications with a high continuous flow. Pressure reducing valve If the mains water pressure is greater than 6 bar, a pressure reducing valve must be fitted. Expansion relief valve The tank expansion relief valve must be ACV approved and calibrated to a maximum of 7 bar. The valve discharge must be connected to the drain. Hot water expansion vessel A hot water expansion vessel must be installed. Hot water circulat
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INSTALLATION HEATING CONNECTION ELECTRICAL CONNECTIONS ® The HeatMaster has two connections at the rear that can be used Electrical supply to connect a central heating circuit. Connecting a heating system The boiler operates on a single-phase supply of 230V/50Hz. You may reduce the domestic hot water performance. should install a control box with a double-pole switch and a 6 A fuse or a 6A circuit breaker externally to the boiler to allow the boiler to be isolated from the power supply for servi
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INSTALLATION 11 ® X1 1 HeatMaster 201 wiring Br Bk Bk L 01 Bl Bl Bl 02 N B. Blue 03 Br. Brown X1.1 V V Bk. Black X1.2 Or. Orange X2 X2.1 W W X2.2 Bk G. Grey 01 2 R. Red X3.1 Bl R R X3.2 02 W. White AM3 - 11 03 Y. Yellow R Or Or M 04 M1 V. Violet 15 Bl Bl 05 X1.1 Y/Gr X1.2 R 06 X2.1 2 V W R 14 x 0,25mm M 07 X2.2 M2 16 Bl Bl Bk 3 08 X3.1 Y/Gr X3.2 G 27 AM3 - 2 09 G 2 1 Bk R V M 10 M3 17 X3 4 3 Bl Bl Bl Or 11 Y/Gr Bk X1.1 X7 01 12 Bl V R 6 5 W W Bk X1.2 X2.8 02 M M4 13 18 t 7 Bl Bl G Bl 14 13 Bl Bl
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COMMISSIONING BURNER FEATURES FILLING THE HOT WATER AND HEATING CIRCUITS ACV BG 2000-M MODULATING PREMIX GAS BURNER Description and operating method: IMPORTANT The BG 2000-M modulating burner's output is constantly adjusted to Hot water tank must be pressurised before the heating suit the fluctuating demand for heat, thus optimising operating circuit is filled. efficiency. The gas tube is covered with a metal fibre (NIT), which, in addition to its outstanding heat-exchange properties, increases
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BURNER FEATURES 201 gas burner characteristics Type Heating Hot water Input Kw 60 - 220 60 - 240 Nominal output Kw 56.4 - 200.2 56.4 - 218.4 Combustion efficiency - natural gas % 96.6 - 91.5 96.6 - 91.5 Natural gas CO2 % 99 Pressure loss of the flue-gas circuit mbar 2.4 2.9 Net T° of combusted gases °C 180 190 Mass flow rate of combustion products g/sec. 110.3 120.3 Gas G20 - 20 mbar - I 2E(R)B - I 2 Er - I 2H - I 2E - I 2ELL 3 Flow m /h 6.35 - 23.28 6.35 - 25.40 Gas G25 - 20 mbar - I 2ELL / 25
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MAINTENANCE Draining the boiler’s primary circuit SERVICE INTERVALS 1. Put the main switch on the control panel to OFF, cut the outside power supply and close the gas-supply valve to the boiler. ACV recommends that boilers should be serviced at least once a year. 2. Close the isolating valves (4) or manually set the 4-way valve (1) The burner must be serviced and tested by a competent engineer. to “0”. If a boiler is subject to heavy use, it may require servicing more than 3. Connect a flexible
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MCBA FOR SPECIALISTS: INSTALLER, SERVICE ENGINEER Once the cause of the blockage has been resolved, the burner starts PILOT MODE automatically within 150 seconds at most. Pilot mode Status Boiler function After you power down the appliance the screen displays Pilot mode, as shown in the figure above. Internal check — three-way valve This is the standard MCBA mode. The MCBA automatically returns to this mode after 20 minutes if no keys have been pressed on the screen. Any parameters that were mo
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MCBA FOR SPECIALISTS: INSTALLER, SERVICE ENGINEER SAFETY STOP (ERROR MODE) To unlock the system: If a fault occurs while the appliance is running, the system locks and • Press RESET on the screen. the screen starts to flash. The first character is an E and the next two • Contact your installer if the fault happens again. characters give the code for this fault, as illustratedin the table below. Table of error codes and how to resolve them Codes Description of the fault Resolution of the fault -
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MCBA FOR SPECIALISTS: INSTALLER, SERVICE ENGINEER SETTING THE PARAMETERS Parameter mode To access Parameter mode when the system is in Pilot mode, press MODE once. To scroll through the list of parameters, simply press “step”. To modify a parameter value, use the + or - keys. Then press “Store” to save the value you just changed. The screen flashes once to confirm the data has been saved. To activate the parameters you changed, press “Mode” once more (which brings you into Info mode). However,
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MCBA FOR SPECIALISTS: INSTALLER, SERVICE ENGINEER Key Display Description of the parameters Factory setting Night-time heating temperature reduction (°C) 10 STEP Fan speed in heating mode (rpm x 100) 52 STEP Max. fan speed in heating mode (rpm x 100) 00 STEP Max fan speed in hot water mode (rpm x 100) 57 STEP Max. fan speed in hot water mode (rpm x 100) 00 STEP Min. fan speed (rpm x 100) 15 STEP Min. fan speed (rpm x 100) 00 STEP Fan speed at ignition (rpm x 100) 37 STEP Heating pump time delay
