Weil-McLain EG-30 THRU -75 Control Supplement Download Page 3

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Part Number 550-110-032/0607

Standing Pilot Boilers — Control Supplement

Table of contents

Hazard definitions and Note to the installer ....................................................................................2

Control installation — EG-30 thru -75 water boilers without tankless heaters ........................ 4-5

Control installation — EG-30 thru -65 water boilers with tankless heaters .............................. 6-7

Control installation — EG-30 thru -75 and PEG-30 thru -65 steam boilers with probe... ........ 8-9

Control installation — EG-30 thru -75 steam boilers with float-type low water cutoff ........ 10-11

Damper installation .................................................................................................................... 12-13

Checkout procedure ........................................................................................................................14

Lighting instructions .................................................................................................................. 15-18

Troubleshooting .......................................................................................................................... 19-23

Replacement parts ...........................................................................................................................24

Summary of Contents for EG-30 THRU -75

Page 1: ...ntrol supplement Standing pilot This supplement must only be used by a qualified heating installer service technician Before installing read all instructions including this supplement the boiler manua...

Page 2: ...Note to the installer Controls must only be installed by a Weil McLain distributor or other qualified installer service technician in accordance with this Supplement and all applicable codes and requ...

Page 3: ...out tankless heaters 4 5 Control installation EG 30 thru 65 water boilers with tankless heaters 6 7 Control installation EG 30 thru 75 and PEG 30 thru 65 steam boilers with probe 8 9 Control installat...

Page 4: ...Part Number 550 110 032 0607 EG 30 thru 75 Series 4 and PEG 30 thru 65 Series 4...

Page 5: ...d wire controls per wiring diagram page 4 and Figure 2 a Attach junction box inside left jacket panel with 8 32 x machine screws and green ground nuts provided b Install transformer with plug in relay...

Page 6: ...Part Number 550 110 032 0607 EG 30 thru 75 Series 4 and PEG 30 thru 65 Series 4...

Page 7: ...Figure 3 a Install combination limit control and relay in tap ping See Boiler Manual control tapping table Op erating and limit circuit wiring must be 14 gauge or heavier 2 Bring supply wiring to boil...

Page 8: ...Part Number 550 110 032 0607 EG 30 thru 75 Series 4 and PEG 30 thru 65 Series 4...

Page 9: ...ith probe type low water cutoff EG 30 thru 65 and PEG 30 thru 65 steam boilers with probe type low water cutoff Control installation continued 1 Mount and wire controls per wiring diagram page 8 and F...

Page 10: ...10 Part Number 550 110 032 0607 EG 30 thru 75 Series 4 and PEG 30 thru 65 Series 4...

Page 11: ...boilers with float type low water cutoff EG 30 thru 65 steam boilers with float type low water cutoff Control installation continued 1 Mount and wire controls per wiring diagram page 10 and Figure 6...

Page 12: ...0 thru PEG 65 steam natural gas The following boiler models may have damper installed EG 75 natural or propane gas Once damper is installed boiler will not operate without a damper installed Only damp...

Page 13: ...rial Provide a minimum of 46 between jacket top and combustible ceiling See EG PEG EGH Boiler manual for complete clearance requirements Installation Do not modify draft hood or damper or make another...

Page 14: ...ructions 2 Raise room thermostat to call for heat Damper actuator will slowly open damper 3 When damper is fully open main gas valve will open and main burners will ignite Damper must be fully open be...

Page 15: ...15 Part Number 550 110 032 0607 Standing Pilot Boilers Control Supplement Lighting instructions Robertshaw 7200...

Page 16: ...16 Part Number 550 110 032 0607 EG 30 thru 75 Series 4 and PEG 30 thru 65 Series 4 Lighting instructions Honeywell VR8200 VR8300 Natural gas boilers only...

Page 17: ...17 Part Number 550 110 032 0607 Standing Pilot Boilers Control Supplement Lighting instructions Honeywell VR8200 VR8300 Propane boilers only...

Page 18: ...18 Part Number 550 110 032 0607 EG 30 thru 75 Series 4 and PEG 30 thru 65 Series 4 Lighting instructions Robertshaw 7000ERHC...

Page 19: ...severe personal injury death or substantial property damage 2 Refer to vent damper manufacturer s instructions for procedure to fix vent damper in open position 3 Turn on power to boiler 4 Using wrenc...

Page 20: ...timeter with leads fitted with alligator clips Set meter scale to DC Millivolts b Loosen the insulated terminal on the TOP thermopile lead wire enough to allow clipping a multimeter alligator clip to...

Page 21: ...21 Part Number 550 110 032 0607 Standing Pilot Boilers Control Supplement Troubleshooting continued...

Page 22: ...22 Part Number 550 110 032 0607 EG 30 thru 75 Series 4 and PEG 30 thru 65 Series 4 Troubleshooting continued...

Page 23: ...23 Part Number 550 110 032 0607 Standing Pilot Boilers Control Supplement Troubleshooting continued...

Page 24: ...BE 1C 510 512 337 510 312 255 Damper harness Weil McLain 591 391 795 Boiler wiring harness EG 30 thru 75 water EG 35 thru 65 water with tankless EG 30 thru 75 steam float LWCO EG 30 thru 75 PEG 30 thr...