Columbia CEGDID299D Operations Instructions

GAS-FIRED STEAM BOILERSINSTALLATION, OPERATION & MAINTENANCE MANUAL P/N# 240009573, Rev. D [08/2012]MODELCEGDIDElectronicIntermittentIgnitionManuf

10 HYDRONIC PIPING Figure 6 - Recommended Near Boiler Piping For Pumped Return Systems Figure 7 - Recommended Near Boiler Piping For Gravity Return Sy

11 FRESH AIR FOR COMBUSTIONWARNINGAir openings to combustion area must not be obstructed. Follow instructions below, to maintain adequate combustion a

12CHIMNEY AND VENT PIPE CONNECTION WARNINGInstalling or venting a boiler or any other gas appliance with improper methods or materials could result in

133. Insofar as is practical, close all building doors and windows and all doors between the space in which the appliances remaining connected to the

14 Figure 9 - Horizontal Installation Figure 10 - Alternate Vent Damper InstallationCheck vent damper and all fl ue product carrying areas of boiler an

15GAS SUPPLY PIPING Figure 12 - Gas Piping At BoilerCAUTIONWHAT TO DO IF YOU SMELL GAS• Do not try to light any appliance.• Do not touch any electri

16ELECTRICAL WIRINGWARNINGElectrical shock hazard. Turn OFF electrical power supply at service panel before making electrical connections. Failure

17OPERATING INSTRUCTIONSFor Your Safety Read Before Operating WARNINGIf you do not follow these instructions exactly, a fi re or explosion may result c

18OPERATING YOUR BOILERFilling System With WaterSteam heating systems boiler is partially fi lled with water. Fill boiler to correct level for proper s

19CHECKING AND ADJUSTINGAdjust Pilot BurnerPilot fl ame should surround 3/8” to 1/2” of pilot sensor. See Figure 14.To adjust Flame.1. Remove screw cov

2Figure 1 - DimensionsTable 1 - Physical DataModels 075 112 150 187 225 262 299Width (A)10 7/814 1/817 3/820 5/823 7/827 1/830 3/8Height (B)35 7/8De

20Adjust Steam Pressure Control• Steam pressure limit control (pressuretrol) shuts off gas to main burners when steam pressure in boiler reaches cut-

21 WARNINGFollowing service procedures must be performed by qualifi ed service agent. Boiler owner shall not attempt these steps. Failure to do so coul

22GENERAL MAINTENANCELow Water Cut-OffLow Water Cut-Off interrupts electrical current to burner when water line in boiler drops to low level.Check Low

23TROUBLESHOOTINGYou may avoid inconvenience and service calls by checking these points before you call for service.CAUTIONWHAT TO DO IF YOU SMELL GAS

24WIRE DIAGRAMS Figure 16 - Isolation Relay Wiring For Steam Boilers With Probe Type Low Water Cut Off And Using An Electronic Thermostat - OptionalT

25WIRE DIAGRAMSIf any of the original wire as supplied with this appliance must be replaced, it must be replaced with type 105°C Thermoplastic wire or

26WIRE DIAGRAMS(For full-sized Wire Diagrams, see Literature Envelope.) Figure 19 - Ladder Diagram For Boilers With CG 400-2060 Probe Type Low Water C

27OPTIONAL PIPING HYDRONIC PIPING27Figure 20 - Counter Flow Steam SystemsWater Line28"48"24"FloorFigure 21 - Drop Header for True Swing

Columbia CompanyMain offi ces and factoryPottstown, PA

3Table 2Ratings and CapacitiesNatural Gas & Propane (LP)Boiler Model NumberInput MBH (1)Heating Capacity MBH (1)Net AHRI Rating (2)AFUE, %No. of S

4Important Safety Information ... 5Locating the Boiler ... 6Hydronic Piping ...

5IMPORTANT SAFETY INFORMATIONDANGERIndicates a hazardous situation which, if not avoided, WILL result in death or serious injury.! WARNINGIndicates

6LOCATING THE BOILERLocating the Boiler1. Select level location as centralized with piping system, and as near chimney as possible.2. Place crated boi

7 HYDRONIC PIPINGWARNINGBurn or Scald Hazard. Discharge line shall be installed to relief valve outlet connection to avoid burns, scalding, or water d

8 HYDRONIC PIPINGConsider near boiler piping as part of the boiler for proper water level control and to produce dry steam. Correct near boiler piping

9 Figure 5b - Recommended Near Boiler Piping Using Two Supply Tappings HYDRONIC PIPINGFloorSections Risers Headers Equalizers32"2" 1½42"