Weil-McLain PEG 5 Series User'S Information Manual Download Page 2

CGa, CGi, EG, EGH, LGB, PEG, Boilers

2

Part Number 550-142-801/1112

Please read this page first

How to use this 

manual . . .

 

The Boiler manual is for use only by a qualified heating installer/service 

technician. Refer only to this User’s Information Manual for your reference. 

Improper installation, adjustment, alteration, service or maintenance can 

cause property damage, personal injury (exposure to hazardous materials) 

or loss of life. Installation and service must be performed by a qualified 

installer, service agency or the gas supplier (who must read and follow the 

supplied instructions before installing, servicing, or removing this boiler. 

This boiler contains materials that have been identified as carcinogenic, or 

possibly carcinogenic, to humans).

Boiler service and 

maintenance

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

Hazard definitions

 

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. 

To . . .

Read/Use . . .

Pages . . .

Learn                

precautions

Warnings and definitions

1, 2 and 3

Prevent air             

contamination

Read list of air contaminants you must avoid. 

If 

found, either remove products permanently 

or isolate boiler and provide outside com

-

bustion air.

3

Identify boiler 

components

The illustration on page 4 or 5, will show you the 

location of the main components.

4-5

Maintain           

boiler

Set up a 

plan for maintaining the boiler

 

using the schedule included in this manual.     

Schedule an 

annual start-up

 by a qualified ser

-

vice technician before every heating season.

6-12

Start  –or–     

Shutdown     

boiler

Use the 

Operating Instruction

 sheet for the 

gas valve installed on your boiler. Ask your 

service technician if you are unsure which 

one.

12-19

Troubleshoot  

common      

problems

Use the common problems/solutions table to 

resolve typical heating system/boiler problems.

20

Summary of Contents for PEG 5 Series

Page 1: ...fire department Installation and service must be performed by a qualified installer service technician or the gas supplier If the information in this manual is not followed exactly a fire or explosion...

Page 2: ...sonal 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 ca...

Page 3: ...ler or piping must be repaired at once to prevent makeup water Do not add cold water to hot boiler Thermal shock can cause sections to crack Boiler operation Do not block flow of combustion or ventila...

Page 4: ...fold orifices 5 Control module 6 Inducer CGi only 7 Vent damper CGa only 8 Water temperature sensor 9 Transformer 10 Spill switch CGa only 11 Air pressure switch CGi only 12 Rollout thermal fuse eleme...

Page 5: ...burner 3 Main burner 4 Gas manifold orifices 5 Control module 7 Vent damper 9 Transformer 10 Spill switch 12 Rollout thermal fuse element 13 Low water cutoff steam boilers 14 Limit control s 15 Draft...

Page 6: ...only by a qualified service technician Owner maintenance see following pages for instructions A nnual start up Inspect Reported problems Boiler area Air openings Flue gas vent system Pilot and main b...

Page 7: ...echnician to inspect the boiler and vent system for possible damage from acid corrosion If products cannot be removed immediately call a qualified service technician to install an outside combustion a...

Page 8: ...ators relief valve and other fittings Immediately call a qualified service technician to repair any leaks 1 Visually inspect all parts or the flue gas venting system for any signs of blockage leakage...

Page 9: ...ot flame sensor spark ignited pilot 3 Thermocouple or thermopile or pilot flame sensor glowing cherry red Improper pilot flame 1 Overfired Large flame lifting or blowing past pilot flame sensor 2 Unde...

Page 10: ...turn thermostat to normal setting Test low water cutoff all steam boilers water boilers if installed If the system is equipped with a low water cutoff test the low water cutoff periodically during the...

Page 11: ...to clean the valve seat If the valve continues to weep afterwards contact your qualified service technician to inspect the valve and system 5 If water does not flow from the valve when you lift the le...

Page 12: ...tempt to light the pilot Use caution when attempting to light the propane pilot This should be done by a qualified service technician particularly if pilot outages are common Periodically check the od...

Page 13: ...tat to lowest setting 3 Turn off all electrical power to the appliance 4 Remove from panel 5 This appliance is equipped with an ignition device which automatically lights the pilot Do not try to light...

Page 14: ...at to lowest setting 3 Turn off all electrical power to the appliance 4 Remove front panel 5 This appliance is equipped with an ignition device which automatically lights the pilot Do not try to light...

Page 15: ...wer to the appliance 4 Remove front panel 5 This appliance is equipped with an ignition device which automatically lights the pilot Do not try to light the pilot by hand 6 Depress gas control knob sli...

Page 16: ...CGa CGi EG EGH LGB PEG Boilers 16 Part Number 550 142 801 1112 Operating instructions Spark ignited pilot Gas valve Robertshaw 7200 CGa 25 to CGa 6 EG 30 to EG 50 PEG 30 to PEG 50...

Page 17: ...User s Information Manual 17 Part Number 550 142 801 1112 Operating instructions Spark ignited pilot Gas valve Robertshaw 7000DERHC EGH 85 to EGH 125...

Page 18: ...the thermostat to lowest setting 3 Turn off all electrical power to the appliance 4 Remove jacket front panel 5 This appliance is equipped with an ignition device which automatically lights the burner...

Page 19: ...User s Information Manual 19 Part Number 550 142 801 1112 Operating instructions Spark ignited pilot LGB...

Page 20: ...se stop leak compounds Black water condition Oxygen corrosion due to leaks in boiler and piping Have qualified service technician repair at once Keep pH of water between 7 0 to 8 5 Popping or percolat...

Reviews: