User’s Information Manual
Please read before proceeding
NOTICE | The Crest Installation and Operation | |||
Manual along with the Crest Service | ||||
| ||||
| Manual are 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 | |||
| instruction 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 –
•To avoid electric shock, disconnect electrical supply before performing maintenance.
•To avoid severe burns, allow boiler to cool before performing maintenance.
Boiler operation –
•Do not block flow of combustion or ventilation air to the boiler.
•Should overheating occur or gas supply fail to shut off, do not turn off or disconnect electrical supply to the 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. The possible damage to a flooded appliance can be extensive and present numerous safety hazards. Any appliance that has been under water must be replaced.
NOTICE
WARNING
When calling or writing about the boiler
–Please have the boiler model and serial number from the boiler rating plate.
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.
Factory warranty (shipped with unit) does not apply to units improperly installed or improperly operated.
Failure to adhere to the guidelines on this page can result in severe personal injury, death, or substantial property damage.
Boiler water –
•Thoroughly flush the system (without boiler connected) to remove sediment. The
•Do not use
•Do not use “homemade cures” or “boiler patent medicines”. Serious damage to the boiler, personnel, and/or property may result.
•Continual fresh
Freeze protection fluids –
•NEVER use automotive antifreeze. Use only inhibited propylene glycol solutions, which are specifically formulated for hydronic systems. Ethylene glycol is toxic and can attack gaskets and seals used in hydronic systems.
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