TO INSTALLER READ THESE INSTRUCTIONS CAREFULLY. THEY WILL SAVE YOU VALUABLE TIME WHEN ASSEMBLING THE BOILER. WARNING: If the information in this manual is not followed exactly, a fire or explosion may result causing property damage, personal injury or loss of life. Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance. WHAT TO DO IF YOU SMELL GAS: • Do not try to light any appliance. • Do not touch any electrical switch. Do not use any

A licensed propane installer must make all LP gas connections. Improper gas connections could result in a fire or an explosion! The GV100W hot water boiler comes from the factory ready to be piped to the gas supply. WARNING: Check the boiler rating plate and make sure that the boiler is for the type of gas that will be used. If it isn’t Do not connect the boiler to the gas supply or a fire or an explosion may occur! If for any reason the boiler is not for the type of gas available at the install

WHAT TO DO IF YOU SMELL GAS: • 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 fi re department. Installation and service must be performed by a qualified installer, service agency or the gas supplier. WARNING: Installation and service must be performed by a qualified installer, serv

Connect a manometer to the pressure ports shown in Figure 20. Make sure that the gas supply piping has been purged of air and that all gas joints up to the gas valve have been thoroughly checked for leaks. Wait at least five minutes for any gas to dissipate before turning on the electrical power. C. Raise the thermostat at least 5 degrees above the room temperature. A delay of about 30 seconds will take place as the silicon carbide ignitor heats up. Once the ignitor is hot, the main gas valve wi

CAUTION: Do not use automotive anti-freeze in the boiler waterways. If the use of antifreeze is necessary an anti-freeze specifically formulated for hydronic heating systems must be used! Water treatment is not recommended. This boiler uses gaskets made from ethylene propylene, EPT, to seal the section ports. Consult a water treatment professional before adding any chemicals to the boiler water to ensure that they are compatible with the gaskets. Failure to comply with this caution can result in

260 NORTH ELM STREET WESTFIELD, MA 01085 TEL. (413) 562-9631 FAX (413) 562-3799 SECTION 1: INTRODUCTION CODE COMPLIANCE Boiler installations must conform to the requirements of the authority having jurisdiction or, in the absence of such requirements, to the National Fuel Gas Code ANSI Z223.1-latest edition. Where required by the authority having jurisdiction, the installation must also conform to the Standard for Controls and Safety Devices for Automatically Fired Boilers, ANSI/ASME CSD-1. All

2. For vent damper-equipped models, with the thermostat set to call for heat, observe that vent damper position indicator rotates to the open position (see Figure 2.5). Damper must be in the open position when appliance main burner is operating. a. After damper opens, spark should appear at the pilot ignition electrodes. FIGURE 3.1: STEAM CONTROL ARRANGEMENT PRESSURE RELIEF VALVE PRESSURE CONTROL PRESSURE GAUGE GAS VALVE PRESSURE RELIEF VALVE DISCHARGE PIPING b. Set thermostat to no longer call

Make sure that the gas supply piping has been purged of air and that all gas joints up to the gas valve have been thoroughly checked for leaks. Wait at least five minutes for the gas to dissipate before turning on the electrical power. B. Read, understand and follow the lighting instructions contained in this manual that are applicable to the type of ignition system installed on the boiler. C. Raise the thermostat at least 5 degrees above the room temperature. For models equipped with an intermi

BOILER AND PRESSURE VESSEL CODE, SECTION IV FOR MAXIMUM ALLOWABLE WORKING PRESSURE. STEAM - 15 PSIG, WATER - 80 PSIG CANADA: STEAM - 15 PSIG, WATER - 50 PSIG CAUTION Do not use automotive anti-freeze in boiler waterways. If necessary to use antifreeze, be sure to employ a preparation designed for hydronic heating systems such as ethylene or propylene glycol. Water treatment is not recommended. This boiler uses gaskets to seal the ports of adjoining sections. These gaskets are made of a fluorocar