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Models
OMGC-8D
OMGC-8DP
OMGC-9D
OMGC-9DP
An ISO 9001-2008 Certified Company
An ISO 9001-2008 Certified Company
OMGC SERIES
HOT WATER BOILERS
INSTALLATION, OPERATION &
MAINTENANCE MANUAL
C.S.A. Certified
For Natural Gas Or Propane
GAS-FIRED
Tested For 50 psi.
ASME
Working Pressure
ECR International, Inc.
2201 Dwyer Avenue, Utica NY 13501
web site: www.ecrinternational.com
P/N 240009270, Rev. E [10/2014]
II
Manufactured by:
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Table of Contents
Related Manuals for Olsen OMGC-8D
Summary of Contents for Olsen OMGC-8D
- Page 1 OMGC SERIES GAS-FIRED HOT WATER BOILERS Models OMGC-8D INSTALLATION, OPERATION & OMGC-8DP MAINTENANCE MANUAL OMGC-9D OMGC-9DP C.S.A. Certified Tested For 50 psi. For Natural Gas Or Propane ASME Working Pressure Manufactured by: ECR International, Inc. 2201 Dwyer Avenue, Utica NY 13501 web site: www.ecrinternational.com...
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Page 2: Dimensions
1 - DIMENSIONS Figure 1 - Dimensions * Minimum acceptable height for Low Water Cutoff probe. Table 1 - Dimensions DIMENSIONS (INCH.) BOILER MODEL FLUE “A” NUMBER DIAMETER WIDTH OMGC-8 27½ OMGC-9 30¾ Add 5½” to height for vent Damper. -
Page 3: Ratings And Capacities
2 - BOILER RATINGS AND CAPACITIES Table 2 - Ratings and Capacities † NATURAL GAS † PROPANE GAS AFUE *HIGH *HIGH BOILER NET AHRI HEATING MODEL NET AHRI Input ALTITUDE INPUT ALTITUDE Heating INTERMITTENT RATING CAPACITY NUMBER INPUT INPUT Capacity RATING IGNITION WITH Water,... -
Page 4: Table Of Contents
3 - TABLE OF CONTENTS KEEP THIS MANUAL NEAR BOILER 1 - Dimensions ............2 RETAIN FOR FUTURE REFERENCE 2 - Ratings And Capacities ........3 3 - Table of Contents ..........4 IMPORTANT: Read the following instructions 4 - Installation Procedure ........5 COMPLETELY before installing!! 5 - Ventilation &... -
Page 5: Installation Procedure
4 - INSTALLATION PROCEDURE WARNING WARNING Improper installation, adjustment, alteration, service Fire hazard. Do not install boiler on combustible or maintenance could result in death or serious flooring or carpeting. Failure to follow these injury instructions could result in death or serious injury. FOR INSTALLATION ON NON-COMBUSTIBLE Installation must conform to the requirements of the FLOORS ONLY - For installation on combustible... -
Page 6: Ventilation & Combustion Air
5 - VENTILATION & COMBUSTION AIR Provide combustion air and ventilation air in accordance • All Outdoor Air. Provide permanent opening(s) with the section “Air for Combustion and Ventilation,” of the communicating directly or by ducts with outdoors. National Fuel Gas Code, ANSI Z223.1/NFPA 54, or Sections A. -
Page 7: Connecting Supply And Return Piping
6 - CONNECTING SUPPLY AND RETURN PIPING WARNING Figure 2 - Safety Relief Valve Burn and scald hazard. Safety relief valve could discharge steam or hot water during operation. Install discharge piping per these instructions. RELIEF VALVE DISCHARGE Refer to local codes and appropriate ASME Boiler LINE and Pressure Vessel Code for additional installation requirements. - Page 8 6 - CONNECTING SUPPLY AND RETURN PIPING Verify clean water supply is available to water inlet WARNING valve. Install sand strainer when water supply is from Burn and scald hazard. Safety relief valve could a well or pump. discharge steam or hot water during operation. In- Install hot water boiler above radiation level or as stall discharge piping per these instructions.
- Page 9 6 - CONNECTING SUPPLY AND RETURN PIPING Figure 4 - Typical Hot Water Piping Figure 5 - Chilled Water Piping...
- Page 10 6 - CONNECTING SUPPLY AND RETURN PIPING Bypass Piping Required For High Mass (Large Water Content) Systems Figure 6 - BYPASS PIPING - CIRCULATOR ON SUPPLY Figure 7 - BYPASS PIPING - CIRCULATOR ON RETURN...
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Page 11: Chimney And Vent Pipe Connection
7 - CHIMNEY AND VENT PIPE CONNECTION Connecting The Vent Damper And Vent WARNING Connector Boiler and venting installations shall be performed Refer to Figure 1, page 2 for size and location of vent (flue opening). by a qualified expert and in accordance with the appropriate manual. -
Page 12: Venting System
7 - CHIMNEY AND VENT PIPE CONNECTION Test for spillage at the draft hood relief opening after WARNING 5 minutes of main burner operation. Use the flame of Boiler and venting installations shall be performed a match or candle, or smoke from a cigarette, cigar or by a qualified expert and in accordance with the pipe. -
Page 13: Vent Damper Operation
8 - VENT DAMPER OPERATION Figure 8 - Vent Damper Installation Figure 9 - Vent Damper Placement Annually check vent damper and all flue product For further information, and vent damper carrying areas of appliance, with particular attention troubleshooting guide, refer to manual packaged with given to deterioration from corrosion or other vent damper. -
Page 14: Gas Supply Piping
9 - GAS SUPPLY PIPING • Pressure test over 1/2 psig (3.5 kPa). Disconnect CAUTION boiler and its individual gas shutoff valve from gas WHAT TO DO IF YOU SMELL GAS supply system. • Do not try to light any appliance. •... -
Page 15: Electrical Wiring
10 - ELECTRICAL WIRING VENT DAMPER WIRING WARNING Boiler is equipped with factory wired harness with 4 pin Electrical shock hazard. Turn OFF electrical power molex plug, that plugs into 4 pin molex receptacle inside supply at service panel before making electrical vent damper operator. -
Page 16: Wiring Diagrams
11 - WIRING DIAGRAMS Figure 12 - Integrated High Limit Electronic Ignition Control (240008781) WARNING Modification, substitution or elimination of factory equipped, supplied or specified components may result in personal injury or loss of life. Inducer is not an option. - Page 17 11 - WIRING DIAGRAMS Figure 13 - Integrated High Limit Electronic Ignition Control (240008781) PILOT / FLAME SENSOR...
- Page 18 11 - WIRING DIAGRAMS Figure 14 - Integrated High Limit Electronic Ignition Control (240008781) WARNING Modification, substitution or elimination of factory equipped, supplied or specified components may result in personal injury or loss of life.
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Page 19: General Instructions
12 -GENERAL INSTRUCTIONS FILLING SYSTEM WITH WATER NOTICE • Close air vents on all radiation units. Open valves to Never run water in a hot empty boiler. these units. • Verify boiler and expansion tank drain valves are closed. • Air bleed screw on tank drain fitting should be closed. •... -
Page 20: Lighting Instructions
13 - LIGHTING INSTRUCTIONS 5. Remove lower front panel. WARNING 6. Rotate the gas control knob clockwise If you do not follow these instructions “OFF”. exactly, a fire or explosion may result Figure 15 - Automatic Gas Valve causing property damage, personal injury or loss of life. -
Page 21: Operating Your Boiler
14 - OPERATING YOUR BOILER AUTOMATIC GAS VALVE Figure 16 - Pilot Flame Automatic Gas Valve opens or closes according to heat requirements of thermostat and temperature limit control. It closes if pilot goes out. Each individual control must be operating correctly before any gas can pass to burners. - Page 22 14 - OPERATING YOUR BOILER CHECK THERMOSTAT OPERATION A. When set above temperature indicated on thermostat, boiler should ignite. B. Verify thermostat turns boiler off when room temperature reaches selected setting and starts boiler operating when room temperature falls a few degrees.
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Page 23: Maintaining Your Boiler
15 - MAINTAINING YOUR BOILER BURNERS CLEANING YOUR BOILER AND BURNERS Beginning of heating season visually check pilot and main Flue passages between sections should be examined yearly burner flames. See Figure 16. and cleaned if necessary. To clean: SAFETY RELIEF VALVE •... -
Page 24: Service Hints
16 - SERVICE HINTS EQUIPMENT AND OPTIONAL ACCESSORIES - WHAT THEY DO CAUTION 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. •... -
Page 25: Equipment And Optional Accessories
17 - EQUIPMENT AND OPTIONAL ACCESSORIES EXPANSION TANK AUTOMATIC FILL VALVE Expanding water flows into expansion tank. Tank should For a safe, efficient operation, hot water system must be completely filled with water. Adding new water, when be correct size. Tank is filled with air. As water expands it compresses air in the tank to form air pressure cushion. - Page 26 17 - EQUIPMENT AND OPTIONAL ACCESSORIES ROLLOUT SWITCH BLOCKED VENT SAFETY SWITCH (FLAME ROLLOUT SAFETY SHUTOFF) (BLOCKED VENT SAFETY SHUTOFF) Rollout switch is temperature-sensitive fuse link device. Blocked vent safety switch is manual reset disc thermostat Located on boiler base just outside fire box. In event of with fixed setpoint (340°F (171°C)), and normally closed heat exchanger flueway blockage causing flame to roll contacts.
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Page 27: Appendix A - Control Module
APPENDIX A - CONTROL MODULE A.1 Installation Environment Considerations A.3 Adjusting Settings To discourage unauthorized changing of settings, procedure WARNING to enter adjustment mode is required. If you do not follow these instructions To enter adjustment mode, press UP, DOWN, and I buttons exactly, a fire or explosion may result simultaneously for three seconds. - Page 28 APPENDIX A - CONTROL MODULE A.5 Operation module proceeds to start burner (see state codes list) and heats water in boiler until setpoint temperature is Module continuously monitors boiler water temperature and achieved or thermostat is satisfied. . fires or shuts off burner based on this temperature data. Burner is de-activated, ignition module completes heat- When “Call for Heat”...
- Page 29 APPENDIX A - CONTROL MODULE A.6 Boiler High Limit Temperature Controller A.7 Troubleshooting • When water temperature reaches setpoint, controller • Following service procedures are provided as general ends heating cycle. guide. • When water temperature drops below setpoint minus •...
- Page 30 APPENDIX A - CONTROL MODULE Table 7 - Troubleshooting Error Codes Error Code Definition Consequence Number Flame current too low. Check for flame. Non critical alarm Flame sensed out of normal sequence (before opening or after closing gas valve). Soft lockout Gas valve relays welded.
- Page 31 APPENDIX A - CONTROL MODULE — If flame rod or bracket is bent out of position, restore • Recheck ignition sequence as follows. to correct position. — Reconnect main valve wire. STEP 3: Check spark ignition circuit. — Adjust thermostat above room temperature. Disconnect ignition cable at SPARK terminal on module.
- Page 32 ECR International 2201 Dwyer Avenue, Utica NY 13501 web site: www.ecrinternational.com...
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