background image

 

P/N 240009270, Rev. E  [1

0

/2014]

An ISO 9001-2008 Certified Company

OMGC SERIES 

II

 

GAS-FIRED 

HOT WATER BOILERS

INSTALLATION, OPERATION & 

MAINTENANCE MANUAL

C.S.A. Certified

For Natural Gas Or Propane

Models

 

OMGC-8D

OMGC-8DP

OMGC-9D

OMGC-9DP

An ISO 9001-2008 Certified Company

Tested For 50 psi.

ASME

Working Pressure

Manufactured by:

ECR International, Inc.

2201 Dwyer Avenue, Utica NY 13501

web site: www.ecrinternational.com

Summary of Contents for OMGC-8D

Page 1: ...INSTALLATION OPERATION MAINTENANCE MANUAL C S A Certified For Natural Gas Or Propane Models OMGC 8D OMGC 8DP OMGC 9D OMGC 9DP An ISO 9001 2008 Certified Company Tested For 50 psi ASME Working Pressure...

Page 2: ...IONS Table 1 Dimensions BOILER MODEL NUMBER DIMENSIONS INCH FLUE DIAMETER A WIDTH OMGC 8 7 27 OMGC 9 7 30 Add 5 to height for vent Damper Figure 1 Dimensions Minimum acceptable height for Low Water Cu...

Page 3: ...ments such as intermittent system operation extensive piping systems etc 3 Mbh 1 000 Btuh British Thermal Unit Per Hour Ratings marked Net AHRI Ratings indicate amount of remaining heat input used to...

Page 4: ...Read this manual and understand all requirements before beginning installation SAFETY SYMBOLS WARNINGS The following defined symbols are used throughout this manual to notify the reader of potential...

Page 5: ...2 Where required by the authority having jurisdiction the installation must conform to the Standard for Controls and Safety Devices for Automatically fired Boilers ANSI ASME CSD 1 3 Boiler series is...

Page 6: ...cted indoor spaces All Outdoor Air Provide permanent opening s communicating directly or by ducts with outdoors A Two Permanent Opening Method Provide opening commencing within 12 inches of top and se...

Page 7: ...igure 2 Use or larger pipe Use pipe suitable for temperatures of 375 F 191 C or greater Individual boiler discharge piping shall be independent of other discharge piping Size and arrange discharge pip...

Page 8: ...e LOW WATER TEMPERATURE AND LARGE WATER CONTENT SYSTEM See Figures 6 and 7 Page 10 Significant condensation may form in boiler and or venting system if boiler is operated for long period of time with...

Page 9: ...9 Figure 5 Chilled Water Piping Figure 4 Typical Hot Water Piping 6 CONNECTING SUPPLY AND RETURN PIPING...

Page 10: ...10 Figure 6 BYPASS PIPING CIRCULATOR ON SUPPLY Figure 7 BYPASS PIPING CIRCULATOR ON RETURN Bypass Piping Required For High Mass Large Water Content Systems 6 CONNECTING SUPPLY AND RETURN PIPING...

Page 11: ...ugged by using plug supplied with vent damper 1 Position furnished vent damper on top of flue outlet collar Fasten damper securely to flue outlet collar with sheet metal screws Verify damper blade has...

Page 12: ...fireplace dampers 4 Place in operation the appliance being inspected Follow the lighting instructions Adjust thermostat so appliance will operate continuously 7 CHIMNEY AND VENT PIPE CONNECTION 5 Tes...

Page 13: ...r indicator points to open position Turn thermostat or controller down again and check damper position indicator returns to closed position Vent Damper Manual Operation Vent damper may be placed in op...

Page 14: ...ller Two stage regulation should be used by propane installer Propane gas piping should be checked out by propane installer CHECKING GAS PIPING DANGER Fire Hazard Do not use matches candles open flame...

Page 15: ...ermostat on outside wall 3 Do not install a thermostat where it will be affected by drafts hot or cold pipes sunlight lighting fixtures televisions a fireplace or a chimney 4 Check thermostat operatio...

Page 16: ...ntegrated High Limit Electronic Ignition Control 240008781 I Inducer is not an option WARNING Modification substitution or elimination of factory equipped supplied or specified components may result i...

Page 17: ...17 11 WIRING DIAGRAMS Figure 13 Integrated High Limit Electronic Ignition Control 240008781 PILOT FLAME SENSOR...

Page 18: ...S 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 inj...

Page 19: ...repeat this process Repeat until you have covered every radiation units in the system ending up at highest unit in system If your units have automatic vents manual venting is unnecessary but it will...

Page 20: ...rol knob slightly and turn clockwise to OFF Do not force WARNING If you do not follow these instructions exactly a fire or explosion may result causing property damage personal injury or loss of life...

Page 21: ...y turning thermostat to lowest setting for one minute then back to normal setting ADJUST PILOT BURNER Pilot flame should surround 3 8 to 1 2 of the pilot sensor See Figure 16 If flame needs adjusting...

Page 22: ...degrees C After setting limit control to limit setting check to see if it shuts off gas supply to burners Turn your thermostat up to call for heat and let boiler run until temperature of water reache...

Page 23: ...T PIPE Venting and piping should be checked at least once a season If vent piping shows any sign of leaking replace immediately WATER SYSTEM If system is to remain out of service during freezing weath...

Page 24: ...inals and wire joints Rollout switch blown Have your service agent check heat exchanged for blockage Replace rollout switch with exact replacement Blocked vent blown Have your service agent check vent...

Page 25: ...nstalled in supply line It will eliminate air from water before it reaches radiators and bleed off this air MAIN AIR VENT FOR DOWN FLOW SYSTEMS OR DIAPHRAGM TYPE EXPANSION TANK Before system is filled...

Page 26: ...ed vent safety switch must be reset manually after switch has cooled off by pushing reset button down Check venting system and chimney for blockage when restoring system to operating condition DO NOT...

Page 27: ...b is fully inserted in well and is not loose Refer to enclosed addendum for wiring instructions when using indirect hot water heater A 3 Adjusting Settings To discourage unauthorized changing of setti...

Page 28: ...retry Flame signal was lost during state 7 or 8 and delay is called before retry 32 second delay 13 Soft lock out Soft lockout duration is one hour may override with manual reset 14 Hard lock out Man...

Page 29: ...and display On retry models wait for retry or reset at thermostat Check for correct installation and wiring before replacing any component Control module cannot be repaired If it malfunctions it must...

Page 30: ...umber of retries exceeded Soft lockout Soft lockout is reset after one hour if alarm reason disappears 63 Soft lockout maximum number of recycles exceeded Soft lockout 64 Soft Lockout electronics fail...

Page 31: ...nnections are clean and tight Replace damaged wire Check for cracked ceramic insulator which can cause short to ground and replace igniter sensor if necessary At gas valve disconnect main valve wire f...

Page 32: ...ECR International 2201 Dwyer Avenue Utica NY 13501 web site www ecrinternational com...

Reviews: