Heatmaster Hm 101 Users Manual HEAT MASTER 71/101 . EN
HM 71 to the manual bfd5d662-b35c-4694-8013-9a9a7fd70772
2015-02-09
: Heatmaster Heatmaster-Hm-101-Users-Manual-564828 heatmaster-hm-101-users-manual-564828 heatmaster pdf
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HeatMaster Installation, Operating and Servicing Instructions HM 71 HM 101 excellence in hot water 66401100 INDEX INTRODUCTION INTRODUCTION 1 INTENDED USERS OF THESE INSTRUCTIONS Intended users of these instructions Symbols Applicable standards Warnings 1 1 1 1 These instructions are intended for - specifying engineers - installing engineers - end-users - servicing engineers DESCRIPTION 2 Operating principle Construction features 2 2 TECHNICAL SPECIFICATION 4 Essential instruction for operating the system correctly. Dimensions General features Maximum operating conditions Domestic hot water performances HeatMaster control settings 4 4 5 5 5 Essential instruction for personal safety or environmental protection. INSTALLATION 6 Danger of electrocution. SYMBOLS Boiler room Chimney connections Hot water connections Heating connection Electrical connection Wiring diagram 6 6 8 9 10 11 COMMISSIONING 12 Filling the hot water and heating circuits 12 BURNER FEATURES 12 ACV BG 2000-M moduling premix gas burners 12 MAINTENANCE 14 Service Intervals Servicing the boiler Servicing the safety devices Servicing the burner Draining the boiler 14 14 14 14 14 The following symbols are used in these instructions: Risk of scalding. APPLICABLE STANDARDS The products have received the “CE” certificate in accordance with the standards prevailing in different countries (European Directives 92/42/EEC, “efficiency”, 90/396/EEC “gas appliances”). These products have also received the Belgian “HR+” (gas boilers) marks. WARNINGS USER GUIDE 15 Using the boiler Control Settings 15 16 SERVICE RECORD 18 These instructions are an integral part of the equipment to which they refer and must be supplied to the user. The product must be installed and serviced by qualified engineers, in compliance with the prevailing standards. ACV accepts no liability for any damage resulting from incorrect installation or from the use of components or fittings not specified by ACV. Failure to observe instructions regarding tests and test procedures can result in personal injury or pollution risks. Note: ACV reserves the right to modify the technical specifications and components of its products without prior notice. 1 DESCRIPTION OPERATING PRINCIPLE CONSTRUCTION FEATURES The HeatMaster is a high performance, direct fired hot water storage heater, which has indirect heat transfer due to its Tank-in-Tank construction. Outer body At the heart of the HeatMaster is a stainless steel cylinder through which the flue tubes pass. This is surrounded by a mild steel shell containing the primary water (neutral fluid). The outer shell extends down to the combustion chamber and even around the flue tubes. The area of the heat transfer surface is therefore much greater than that of standard direct fired water heaters. TANK-IN-TANK heat exchanger A circulating pump fitted to the primary circuit moves the water around the tank, heating it faster and maintaining an even temperature across the primary jacket. Combustion gas circuit The burner, either gas or oil, fires onto the primary water which indirectly heats the stainless steel cylinder containing the DHW. As with all Tank-in-Tanks, this is corrugated over its full height and suspended in the HeatMaster by its hot and cold water connections. The cylinder expands and contracts during use and this, together with the fact that cold water does not come into contact with the intense heat of the burner flame, means that limescale buildup is prevented. This scale resistant feature, along with the corrosion resistance of stainless steel, eliminates the need for sacrifical anodes. The HeatMaster has one very major advantage over other direct fired water heaters - because it heats the DHW with a primary circuit, this primary water can be used to provide central heating as well. By connecting two, three, four or more HeatMasters together in a module, most hot water and heating demands can be met. Indeed, when used in conjunction with HR and Jumbo hot water storage tanks the Heatmaster can supply even the largest hot water requirement. Standard equipment The HeatMaster 71/101 has the following items as standard : - On/off switch - Summer/Winter switch - MCBA controller, incorporating • electronic control and high limit thermostats • burner modulation - primary circulating shunt pump - primary expansion vessels - primary safety valve - pressure and temperature gauge - drain valve - body completely insulated in rigid polyurethane foam 2 The outer body containing the primary fluid is made of carbon steel (STW 22). The ring-shaped inner tank with its large heating surface for producing domestic hot water is built of Chrome/Nickel 18/10 stainless steel. It is corrugated over its full height by an exclusive production process and entirely argon arc welded by the TIG (Tungsten Inert Gas) method. The combustion gas circuit is paint protected and comprises: • Flue pipes HeatMaster 71/101 models contain 8 steel flue pipes with an internal diameter of 64 mm. Each pipe is fitted with a turbulator of stainless steel designed to improve heat exchange and to reduce flue gas temperature. • Combustion chamber The combustion chamber on HeatMaster models is entirely water cooled. Insulation The boiler body is fully insulated by rigid polyurethane foam with a high thermal insulation coefficient, sprayed on without the use of CFCs. Casing The boiler is covered by a steel casing which has been scoured and phosphated before being stove enamelled at 220 °C. Burner 71 and 101 models are always delivered with ACV BG 2000-M 71 and 101 air/gas premix burners. DESCRIPTION Top cover Flue reduction collar Automatic air vent Domestic cold water inlet Heating circuit filling valve with removable hose and non-return valve Primary expansion vessel Central heating flow pipe Domestic hot water outlet Flue pipes and turbulators Tank-in-Tank heat exchanger Insulation Primary shunt pump Burner Casing front panel Heating return Primary circuit Burner chamber plate Combustion chamber Detector NTC1 and NTC2 Low water pressure switch Detector NTC3 Primary safety valve 3 TECHNICAL SPECIFICATION DIMENSIONS The units are delivered fully assembled, tested and packed on a timber base with shockproof edges and protected by heat-shrunk plastic film. On delivery and after unpacking, check the equipment for damage. For transport purposes, refer to the weights and dimensions given below. G F K A H B C/2 J C E D A mm B mm C mm D mm E mm F mm G Ø mm H mm J mm K mm HM 71 1743 1630 680 937 680 390 150 1289 285 1720 HM 101 2093 2030 680 937 680 390 150 1693 285 2120 GENERAL FEATURES HM 71 HM 101 type Natural gas / propane Natural gas / propane Maximum Input kW 20 - 69.9 25 - 107 / 22 - 110 Maximum Output kW 63.0 96.8 % 0.5 0.4 Fuel Maintenance loss at 60 °C of rated value Total capacity L 239.0 330.0 Primary circuit capacity L 108.0 130.0 Hot water connection Ø 1” 1” Heating connection Ø 11/2” 11/2” Ø mm 150 150 Hot water tank heat exchange surface 2 m 3.14 3.95 Weight empty Kg 282 335 mbar 46 83 Flue connection Pressure drop primary circuit 4 TECHNICAL SPECIFICATION MAXIMUM OPERATING CONDITIONS HEATMASTER CONTROL SETTINGS Maximum service pressure (tank full of water) - Primary circuit: 3 bar - Secondary circuit: 10 bar Description The 71/101 series is fitted with an electronic controller (MCBA) which controls burner operation (ignition, safety and modulation), and provides facilities to adapt the controller to the desired application. Test pressure (tank full of water) - Primary circuit: 4.5 bar - Secondary circuit: 13 bar The MCBA has three levels of settings : manufacturer, installer and user. There are three temperature detectors located in the primary and secondary circuits. Operating temperature Maximum temperature: 90 °C It provides two operating modes. Water quality • Chlorures: < 150 mg/l (304) < 2000 mg/l (Duplex) 1. Heating mode Temperature set by the user at between 60 and 90 °C. • 6 ≤ ph ≥ 8 • • • • Differential “ON”, burner starts. Differential “OFF”, burner stops. PI (Proportionnel Integral) regulator in “heating” mode. The regulator compares the primary temperature with the setting and modulates. DOMESTIC HOT WATER PERFORMANCES The room thermostat detects the heating demand HM 71 HM 101 Peak Peak Peak Peak Peak delivery delivery delivery delivery delivery at at at at at 40 45 60 70 80 °C °C °C °C °C L/10’ L/10’ L/10’ L/10’ L/10’ 646 543 346 268 203 905 777 514 385 290 Peak Peak Peak Peak Peak delivery delivery delivery delivery delivery at at at at at 40 45 60 70 80 °C °C °C °C °C L/60’ L/60’ L/60’ L/60’ L/60’ 2133 1794 1219 971 710 3172 2680 1813 1378 1003 delivery delivery delivery delivery delivery at at at at at L/60’ L/60’ L/60’ L/60’ L/60’ 1835 1573 1067 715 675 2776 2379 1665 1241 903 min 16 13 Continuous Continuous Continuous Continuous Continuous Reheat time to 60 °C 40 45 60 70 80 °C °C °C °C °C 2. Hot water mode (with hot water priority) The detector located in the secondary tank detects the hot water demand. When a draw-off is detected the controller goes to “hot water demand” mode: • • • The primary shunt pump starts. The heating pump switches off. The burner starts and the controller uses the data from the primary detector to control modulation. User-accessible parameters 1. 2. 3. 4. “Hot water” setting adjustable from 20 to 90 °C. “Hot water” mode: ON/OFF. “Heating” mode: ON/OFF. “Heating” setting adjustable from 60 to 90 °C. Parameters accessible in servicing Main default settings: - Hot water priority active. - Heating demand detection by room thermostat. - A single heating circuit. An access code is required for “service” access. For more technical information, contact your ACV dealer. 5
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