Gasmaster GMI 2M Installation, Operation And Maintenance Manual
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Gasmaster GMI 2M, IOM GMI 8M Nov 2010.DOC - 18 - 2.8.5 The boiler should be located in an area where leakage of the tank, or connections, will not result in damage to the area adjacent to the appliance or to the structure. When such locations cannot be avoided, it is recommended that a suitable drain pan, that drains adequately be installed under the boiler. The pan must not restrict air- flow. 2.8.6 The boiler is a fairly complex and expensive equipment. The instructions provided require a lot of common sense but require a great deal of care. The people handling the unit should be experienced with proper training. Please understand the co
Gasmaster GMI 2M, IOM GMI 8M Nov 2010.DOC - 2 - List of Contents Title Page GMI 8M SPECIFICATIONS AND DIMENSIONS 3 SECTION 1: INTRODUCTIONS 1.1 Boiler Description 1.2 Control System 1.3 Safety Features 1.4 Gas Line 1.5 Gas Manifold and Control Assembly 1.6 Code Compliance 1.7 Freeze Protection 1.8 Water Treatment 5 6 6 7 8 8 9 9 SECTON 2: INSTALLATION 2.1 Boiler Package 2.2 Location 2.3 Relief Valve 2.4 Water Connection 2.5 Condensate Line 2.6 Gas Line Connection 2.7 Vent Connection 2.
Gasmaster GMI 2M, IOM GMI 8M Nov 2010.DOC - 25 - 3.3 Commissioning I: Purge heat exchanger coils in accordance with the procedure outlined in paragraph I of section 3.2. II: Measure flow rate through the unit to ensure a minimum of 80 GPM is available through the unit. III: Connect the power supply to the proper outlet. Turn the “ON/OFF” switch to the “ON” position. IV: After the system has undergone the sequence of events described in Section 3.1 above and when the two safety shut off valves in the main gas line are opened, the unit will be in regular operating mode. V: Test Points ¾ Measure gas inlet pressure upst
Gasmaster GMI 2M, IOM GMI 8M Nov 2010.DOC - 1 - Gasmaster Industries 7480 MacDonald Road Delta, British Columbia Canada V4G 1N2 GMI 8M 8,000,000 Btu/hr Input Gas-Fired Stainless Steel Boilers INSTALLATION, OPERATION AND MAINTENANCE MANUAL Serial Number: XXX.xx Generic
Gasmaster GMI 2M, IOM GMI 8M Nov 2010.DOC - 24 - III: Vent Connection ¾ Installation must be carried out in accordance to all applicable local codes and factory guidelines. ¾ When required, a proper drain should be installed on the vent. IV: Condensate Line Connection ¾ Inspect the condensate line and ensure it is installed in accordance with the factory guidelines. V: Power Connection ¾ Inspect all wiring connections to the unit and ensure they comply with all applicable local codes.
Gasmaster GMI 2M, IOM GMI 8M Nov 2010.DOC - 23 - 3.2 PRE-COMMISSIONING I: Water connections (Return and Supply Lines) ¾ Purging air from the heater coils will decrease localized heat build up and increase the life of the boiler. To purge the unit, pump cold water through the boiler at about 30 psig pressure difference between the inlet and outlet manifolds for at least 5 minutes. Shut the main water valve on and off and listen for air bubbles circulating through the pipe. ¾ Drain the boiler regularly for maintenance. To drain the coils, isolate and seal the boiler inlets and outlet water connecti
Gasmaster GMI 2M, IOM GMI 8M Nov 2010.DOC - 22 - 3.1.4 Main Flame I: Once the pilot flame is established, the burner controller will send 120V to the two main safety shut off valves. From these valves gas flows into the gas butterfly valve (see schematic diagram on page 9 of the Riello catalogue). II: Air supplied by the blower flows through to the burner head where it mixes with gas and the air/gas mixture is ignited . III: The pilot safety shut off valves will close five seconds after the main safety valves are opened. If at any time during the
Gasmaster GMI 2M, IOM GMI 8M Nov 2010.DOC - 14 - 2.6 Gas Line Connections The gas train comprises of a low gas pressure switch, solenoid valves, pressure regulator, and the main gas valve. Gas pressure at the inlet to the gas line should be 1-2 psi. If higher pressures are present, consult the local gas company or gas installation codes for installing the appropriate gas pressure regulator. Gas line from the meter to the boiler should be of adequate size to prevent undue pressu
Gasmaster GMI 2M, IOM GMI 8M Nov 2010.DOC - 16 - I: Seal any unused openings in the common venting system. II: Visually inspect the venting system for proper size and horizontal pitch and determine there are no blockages, restrictions, leakage, corrosion or other deficiencies, which could cause an unsafe connection. III: Any improper operation of the common venting system should be corrected, so the installation conforms to the National Fuel Gas Code, ANSI Z223.1 or the CSA B149.1. When resizing any portion of the comm
Gasmaster GMI 2M, IOM GMI 8M Nov 2010.DOC - 12 - 2.2 Location I: This boiler is for indoor installation only. II: For service access to the Riello control box, condensate drain “U” trap, and gas train, refer to the clearances indicated on the boiler rating plate. Note that some jurisdictions may have their own clearance requirements. In such cases refer to all applicable local codes. III: The boiler can be placed in a basement or utility room. It should not be placed in an unconditioned area where the unit
Gasmaster GMI 2M, IOM GMI 8M Nov 2010.DOC - 21 - B: Sequence of Events I: Every boiler is fully tested at the factory prior to shipment. When the unit is tested at the factory, the “Remote Enable/Disable” terminals should be connected to wires from the BMS enabling/disabling signal. In the absence of a BMS, the operation of the unit is governed by the temperature controller. II: Once the blower starts operating, the air pressure switch (on Riello burner) will close. This switch has been factory adjusted such that when the blower reaches its minimum frequency it will close. 3.1.2 Pre-Purge I: When the air pr
Gasmaster GMI 2M, IOM GMI 8M Nov 2010.DOC - 20 - 3.1 Sequence of Operation 3.1.1 Safety Loop A: Components Referring to Control System Schematic, the safety loop includes the following components: I: High temperature cut off switch: This is a manually reset switch and is normally closed. It is installed on the outlet manifold. The desired high limit temperature is set by the owner and is usually 10 °F above the maximum operating temperature. In no event should this switch be set at above 210 °F (it is fixed in the factory). If the outlet temperature increases above the set temperature, this switch will open and the unit will go into the �
Gasmaster GMI 2M, IOM GMI 8M Nov 2010.DOC - 26 - 3.4 GENERAL INSTRUCTIONS I: Should overheating occur or the gas supply valve fails to shut off, do not turn off or disconnect the electrical supply to the pump. Instead, shut off the gas supply at a location external to the unit. Allow the water to continue to circulate through the boiler and cool the boiler naturally. After the boiler is sufficiently cool, isolate the boiler from the water system, shut down the boiler, and call for inspection. II: Do not use this boiler if any part has been under water. Immediately call a qualified service technician to inspect the boiler and to replace any part of the contr
IOM GMI 8M Nov 2010.DOC - 3 - GMI 8M SPECIFICATIONS AND DIMENSIONS Input Output Boiler Efficiency @ full load Btu/h Btu/hr % 8,000,000 7,600,000 95.0 Fuel Natural Gas Electrical Rating V/PH/Hz/ A 208-230/460/575/3/60, less than 12 amps Heating surface Ft 2 1039.0 Boiler Shell Dimensions - Width -
Gasmaster GMI 2M, IOM GMI 8M Nov 2010.DOC - 6 - 1.2 Control System The boiler control module consists of an “Individual Boiler Control Module”, or the “BMS” (Boiler Management System) signal input module as an option. With the “Individual Boiler Control Module”, the unit’s operation is governed by the desired outlet (hot water) temperature. Using a digital, high precision temperature controller, the owner will identify the required hot water temperature. A temperature sensor installed on the boiler outlet manifold continuously measures the outlet water tempera
IOM GMI 8M Nov 2010.DOC - 27 - GASMASTER INDUSTRIES BOILERS GMI SERIES FOR YOUR SAFETY READ BEFORE OPERATING WARNING: If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life A. This appliance is equipped with an ignition device, which automatically lights the pilot. Do n
IOM GMI 8M Nov 2010.DOC - 15 - Equivalent Lengths 90 deg. Elbow 3’ 45 deg. Elbow 2’ Condensate Tee 2’ Vent Cap 3’ 2.7.1 Periodically inspect the vent duct for pin holes or cracks. Maintaining gas tight seal is very necessary and important. Please apply appropriate condensate sealant (Mill-Pac) on these openings.
Gasmaster GMI 2M, IOM GMI 8M Nov 2010.DOC - 29 - 4.1 Service Hints I: Gasmaster boilers have been designed and developed based on a unique patented technology. When operated properly, the products will provide the owner with years of trouble free performance. To benefit for many years, from the unique performance characteristics of these boilers, it is recommended to have your boiler inspected by a qualified service person at least once every year. II: Ensure that air intake and exhaust ducts are always free of any debris and restrictions. This w
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