Weil-McLain CGS-4E Boiler User Manual


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Part number 550-110-282/1108
5
GOLD
CGs-4E Gas-Fired Water Boiler — Boiler Manual
Please read before proceeding
Installer
Read all instructions before installing. Fol-
low all instructions in proper order to prevent
personal injury or death.
• AlsorefertoCGsVenting Supplements.
• Considerpiping and installation when determining boiler
location.
• Anyclaims for damage or shortage in shipment must be
filed immediately against the transportation company by the
consignee.
User
• This manual is for use only by your qualified heating
installer/service technician.
• PleaserefertotheUser’s Information Manual for your refer-
ence.
• Werecommendregularservice by a qualified service techni-
cian, at least annually
.
The boiler contains ceramic fiber and fiberglass materials. Use care when handling these materials per instructions
on page 64 of this manual. Failure to comply could result in severe personal injury.
When calling or writing about the boiler— Please have the boiler model number from the boiler rating label and
theCPnumberfromtheboilerjacket.YoumaylisttheCPnumberinthespaceprovidedontheInstallationand
service certificate found on page 31.
ReadandfollowthespecialinstructionsfortheCommonwealthofMassachusetts,locatedonpage36ofthis
manual.
Failure to adhere to the guidelines on this page can result in severe personal injury, death or substantial
property damage.
When servicing boiler —
• Toavoidelectricshock,disconnectelectricalsupplybefore
performing maintenance.
• Toavoidsevereburns,allowboilertocoolbeforeperform-
ing maintenance.
Boiler operation —
• Donotblockowofcombustionorventilationairto
boiler.
• Shouldoverheatingoccurorgassupplyfailtoshutoff,do
not turn off or disconnect electrical supply to circulator.
Instead, shut off the gas supply at a location external to the
appliance.
• Donotusethisboilerifanyparthasbeenunderwater.
Immediately call a qualified service technician to inspect
the boiler and to replace any part of the control system and
any gas control that has been under water.
Boiler water —
• Donotusepetroleum-basedcleaningorsealingcompounds
in boiler system. Water seal deterioration will occur, caus-
ing leakage between sections. This can result in substantial
property damage.
• Donotuse“homemadecures”or“boilerpatentmedicines”.
Severepersonalinjury,deathorsubstantialpropertydam-
age may result.
• Continualfreshmakeupwaterwillreduceboilerlife.Min-
eral buildup in sections reduces heat transfer, overheats cast
iron,andcausessectionfailure.Additionofoxygenand
other gases can cause internal corrosion. Leaks in boiler
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.
Glycol — potential fire hazard —
Allglycolisammablewhenexposedtohightemperatures.If
glycol is allowed to accumulate in or around the boiler or any
other potential ignition source, a fire can develop. In order to
prevent potential severe personal injury, death or substantial
property damage from fire and/or structural damage:
• Neverstoreglycolofanykindneartheboileroranypoten-
tial ignition source.
• Monitorandinspectthesystemandboilerregularlyfor
leakage. Repair any leaks immediately to prevent possible
accumulation of glycol.
• Neveruseautomotiveantifreezeorethyleneglycolinthe
system. Using these glycols can lead to hazardous leakage
of glycol in the boiler system.
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