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EGH-105 to EGH-125 

EGH-105 to EGH-125 

EGH-105 to EGH-125 

EGH-105 to EGH-125 

EGH-105 to EGH-125 

Control Supplement

Part Number 550-110-677/0299

2

The following terms are used throughout this Control Supplement to bring attention to the
presence of hazards of various risk levels or to important information concerning the life of the
product.

Indicates presence of hazards that will cause severe personal injury, death or
substantial property damage.

Indicates presence of hazards that can cause severe personal injury, death or
substantial property damage.

Indicates presence of hazards that will or can cause minor personal injury or
property damage.

Indicates special instructions on installation, operation or maintenance that
are important but not related to personal injury or property damage.

Hazard definitions

Please read this page first

Contents

I. .................

Installation .......................................................................... 4

II. ................

Piping connections ............................................................. 6

III. ...............

Install boiler controls ......................................................... 6

IV. ...............

Optional heaters ................................................................ 7

V. ................

Gas piping ........................................................................... 8

VI. ..............

Wiring .................................................................................. 8

VII. .............

Final adjustments ............................................................. 22

VIII. ............

Check-out procedure ....................................................... 24

IX. ..............

Service and maintenance ................................................ 31

X. ...............

Replacement parts ........................................................... 32

This Control Supplement must only be used by a qualified installer/service
technician. Read these instructions completely before beginning the
installation. Failure to follow these instructions can cause severe personal
injury, death or substantial property damage.

This Control Supplement is for CSD-1 controls on EGH-105 to EGH-125
boilers only, specifically for:

Water boilers 

without

 

tankless heater. (CSD-1 is not available for

water boilers with tankless heater.)

Steam boilers 

with or without

 tankless heater.

This document is only intended as a supplement to the 

EG, PEG and EGH

(Series 4) Boiler Manual

 (referred to in this Supplement as the 

EGH Manual

).

Follow all instructions in the 

EGH Manual

 in addition to the instructions in

this Control Supplement.

To the installer:

The installation must conform to the requirements of the authority having
jurisdiction, or, in the absence of such requirements, to the National Fuel Gas
Code, ANSI Z-223.1/NFPA-54 (latest edition). Where required by the authority
having jurisdiction the installation must conform to the American Society of
Mechanical Engineers (ASME) Safety Code for Controls and Safety Devices
for Automatically-Fired Boilers, Number CSD-1.

Summary of Contents for CSD-1

Page 1: ...ement Control Supplement EGH EGH EGH EGH EGHGas Fired Boiler EGH 105 to EGH 125 Series 4 Natural gas Part No 550 110 677 0299 CSD 1 control system For propane boilers install EGH propane conversion ki...

Page 2: ...IX Service and maintenance 31 X Replacement parts 32 This Control Supplement must only be used by a qualified installer service technician Read these instructions completely before beginning the insta...

Page 3: ...Steam CSD 1 gravity return or 381 700 408 381 700 408 381 700 408 Steam CSD 1 pumped return 381 700 410 381 700 410 381 700 410 Note a CSD 1 water boilers cannot be equipped with a tankless heater No...

Page 4: ...ghten nipple Pipe lower half of ground joint union to the 1 nipple Figure 1 item 2 Knock out the jacket gas valve opening on the desired side of the boiler may be routed through either right or left s...

Page 5: ...er See Figure 2 Screws or rivets used to secure the damper to the vent pipe and the draft hood must not interfere with rotation of the damper blade Install damper harness between damper actuator and k...

Page 6: ...f must be mounted between the boiler and any isolation valve s installed in the piping Install water trim components as required by ASME CSD 1 latest edition See Figure 3 and Table 2 for controls requ...

Page 7: ...Failure to do so could result in nuisance shutdowns and possible lockout on the manual reset control due to water level variations from end to end Substantial property damage could result from freezin...

Page 8: ...NFPA No 70 latest edition Use 105 C thermoplastic wire or equivalent if any original wire must be replaced except for pilot spark and sense wires Wiring procedure 1 Mount all controls as directed in S...

Page 9: ...inal strip The contact rating is 15 amps at 250VAC To reset the boiler push the red reset button on the CSD 1 control panel 4 Once pilot is proved the ignition control activates main gas valve Main bu...

Page 10: ...OR LOCAL 1 ALL WIRING MUST BE INSTALLED IN ACCORDANCE WITH ELECTRICAL SHOCK HAZARD CAN CAUSE SEVERE INJURY OR DEATH DISCONNECT POWER BEFORE INSTALLING AND OR SERVICING 2 ALL CONTACTS SHOWN WITHOUT POW...

Page 11: ...IRE NUTS 3 W BK Y BK G Y G BK BK DAMPER TO BK R TRANSFORMER 120 24 V A C RELAY DPST PLUG IN CABLE G NOTE 5 THERMOSTAT OR EMCS PROBE LWCO W BK G BK CONNECTOR DAMPER Y GAS VALVE ROBERTSHAW D D TH TR BK...

Page 12: ...9 11 12 14 15 15 16 17 18 19 20 24 21 25 21 22 23 7 Vent connections Connect with tubing and run vent line outside building per code requirements Install strain relief bushings wherever electrical wir...

Page 13: ...h 16 Gas supply connection 17 Burner manifold 5 Transformer relay 18 Limit control auto reset 6 Junction box 19 Limit control manual reset 7 Damper optional 20 Pressure temperature gauge 8 Damper conn...

Page 14: ...L WIRING MUST BE INSTALLED IN ACCORDANCE WITH ELECTRICAL SHOCK HAZARD CAN CAUSE SEVERE INJURY OR DEATH DISCONNECT POWER BEFORE INSTALLING AND OR SERVICING 2 ALL CONTACTS SHOWN WITHOUT POWER APPLIED OF...

Page 15: ...ER TO BK R TRANSFORMER 120 24 V A C RELAY DPST PLUG IN CABLE G NOTE 5 THERMOSTAT OR EMCS PROBE LWCO W BK G BK CONNECTOR DAMPER Y GAS VALVE ROBERTSHAW D D TH TR BK W MANUAL RESET O W R NOTE 8 PILOT PRE...

Page 16: ...wherever electrical wiring passes through jacket 7 Vent connections Connect with tubing and run vent line outside building per code requirements 13 13a Figure 8 Control assembly steam gravity return...

Page 17: ...arm silencing switch 16 Gas supply connection 4 Terminal strip 17 Burner manifold 5 Transformer relay 18 Limit control automatic reset 6 Junction box 19 Limit control manual reset 7 Damper optional 20...

Page 18: ...ITH ELECTRICAL SHOCK HAZARD CAN CAUSE SEVERE INJURY OR DEATH DISCONNECT POWER BEFORE INSTALLING AND OR SERVICING 2 ALL CONTACTS SHOWN WITHOUT POWER APPLIED OFF SHELF CONDITION CODE REQUIREMENTS INFORM...

Page 19: ...RMER 120 24 V A C RELAY DPST PLUG IN CABLE G NOTE 5 THERMOSTAT OR EMCS PROBE LWCO W BK G BK CONNECTOR DAMPER Y GAS VALVE ROBERTSHAW D D TH TR BK W MANUAL RESET O W R NOTE 8 PILOT PRESSURETROL MANUAL R...

Page 20: ...iring passes through jacket Vent connections Connect with tubing and run vent line outside building per code requirements 13 13a Figure 10 Control assembly steam pumped return Wiring steam pumped retu...

Page 21: ...alarm silencing switch 16 Gas supply connection 4 Terminal strip 17 Burner manifold 5 Transformer relay 18 Limit control auto reset 6 Junction box 19 Limit control manual reset 7 Damper optional 20 Pr...

Page 22: ...ury death or substantial property damage 2 Inspect base insulation as instructed in Section VII of the EGH Manual Before proceeding 1 Follow Operating instructions Figure 11 to start boiler 2 If boile...

Page 23: ...CSD 1 control system Natural gas Part Number 550 110 677 0299 23 Final adjustments operating instructions VII Figure 11 Operating instructions...

Page 24: ...15 seconds the ignition control turns off the spark and opens the main gas valve dual valves in single body Main burners ignite If pilot does not light and prove within 15 seconds the ignition control...

Page 25: ...rst leak test valve Figure 12 item 3 and check for pressure See NOTICE at right 6 Close first leak test valve Figure 12 item 3 and remove manometer 7 Attachmanometertosecondleaktestvalve Figure 12 ite...

Page 26: ...EN position Apply call for heat to boiler Damper blade should then rotate to open position and boiler will fire 677 14 Effikal damper Johnson Controls damper Closed Open Damper blade indicator Wrench...

Page 27: ...ply voltage operate system several complete heat cycles Replace pilot assembly turn ON supply voltage Operate system several complete heat cycles No Yes No Yes Replace ignition control Retest TS 1 No...

Page 28: ...boiler wiring harness TEMPORARILY install jumper between terminal 2 and terminal 5 on damper plug in boiler wiring harness See figure below Does boiler fire No Yes No Yes TS 2 No Spark System boiler...

Page 29: ...without damper No Yes Make sure sense wire is not wrapped around any pipe or accessories No Yes Replace ignition control Retest Contact gas supplier to correct Correct wiring Retest Replace valve Ret...

Page 30: ...nd from C on transformer to transformer case ground Make sure connections are clean and tight If wire is damaged or deteriorated replace with No 18 gauge moisture resistant thermoplastic insulated wir...

Page 31: ...ystem Natural gas Part Number 550 110 677 0299 31 Service and maintenance IX Complete Installation and Service Certificate in EGH Manual Section IX Follow EGH Manual Section IX for service and mainten...

Page 32: ...Control Supplement Part Number 550 110 677 0299 32 Replacement parts water boilers X Figure 14 Water boiler assembly MV MV PV PV ALARM ALARM 24 V 24 V G ND SENSE SPARK MV MV PV PV ALARM ALARM 24 V 24...

Page 33: ...switch EGH 105 125 Honeywell AML21CBA2AA 511 624 580 Eaton Controls 221K11810 14 Lens cover EGH 105 125 Honeywell AML51 C10R 511 624 581 Eaton Controls 220PM02A 15 Light bulb EGH 105 125 TI available...

Page 34: ...trol Supplement Part Number 550 110 677 0299 34 Replacement parts steam boilers X Figure 15 Steam boiler assembly MV MV PV PV ALARM ALARM 24 V 24 V G ND SENSE SPARK MV MV PV PV ALARM ALARM 24 V 24 V G...

Page 35: ...ell AML51 C10R 511 624 581 Eaton Controls 220PM02A 15 Light bulb EGH 105 125 TI available at local supply house 16 Wiring harness pumped return steam EGH 105 125 Weil McLain 591 391 888 Wiring harness...

Page 36: ...125 EGH 105 to EGH 125 EGH 105 to EGH 125 EGH 105 to EGH 125 EGH 105 to EGH 125 Control Supplement Part Number 550 110 677 0299 36 Weil McLain 500 Blaine Street Michigan City IN 46360 2388 http www w...

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