Combustion gas circuit 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 insu

SYMBOLS The following symbols are used in these instructions: Essential instruction for operating the system correctly. Essential instruction for personal safety or environmental protection. Danger of electrocution. Risk of scalding. CERTIFICATION The appliances carry the “CE” mark, in accordance with the standards in force in the various countries (European Directives 92/42/CEE “Efficiency” and 90/396/CEE “Gas Appliances”). They also carry the labels, “HR+”. INTRODUCTION GENERAL INFORMATION AND

Installation, Operating and Servicing Instructions HeatMaster® HeatMaster® 200 N HeatMaster® 200 F Installation, Operating and Servicing Instructions HeatMaster® HeatMaster® 200 N HeatMaster® 200 F excellence in hot water 04/03/2004 - 66412600 INDEX INTRODUCTION 1 Target group 1 Symbols 1 Certification 1 Information and safety instructions 2 USER GUIDE 2 Use of the boiler 2 DESCRIPTION 3 Operating principle 3 Packing 3 Construction features 4 TECHNICAL SPECIFICATION 5 Effective dimensions 5 Gene

Do not try to light any appliance. . Do not touch any electrical switch; do not use any phone in your building. . Immediately call your gas supplier from a neighbor’s phone. Follow the gas supplier’s instructions. . If you cannot reach your gas supplier, call the fire department. WARNING: Improper installation, adjustment, alteration, service or maintenance can cause injury or property damage. Refer to this manual. For assistance or additional information, consult a qualified installer, service

The temperature should not exceed 90°C - if it does, switch the boiler off and check the thermostat setting. If the fault persists, call an engineer. The pressure should not fall below 1bar, if it does the please see the 'Heating System Pressure' paragraph later in this section. 7. Low primary water pressure indicator If this indicator lights up, the primary circuit of the HeatMaster® requires topping up with water. Please see the 'Heating System Pressure' paragraph later in this section. Heatin

Danger of electrocution. 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 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 qualif