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| Service Manual |
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Please read before proceeding |
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| Installer – Read all instructions, including |
| When calling or writing about the boiler | |||
| WARNING | NOTICE | |||||
| this manual and the Crest Installation | – Please have the boiler model and serial | |||||
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| and Operation Manual, before installing. |
| number from the boiler rating plate. | |||
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| Perform steps in the order given. |
| Consider piping and installation when | |||
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| User – This manual is for use only by |
| determining boiler location (see the Crest | |||
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| a qualified | heating | installer/service |
| Installation and Operation Manual). | |
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| technician. | Refer to | the Crest User’s |
| Any claims for damage or shortage | |
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| Information Manual for your reference. |
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| in shipment must be filed immediately | ||||
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| Have this boiler serviced/inspected by |
| against the transportation company by the | |||
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| a qualified service technician at least |
| consignee. | |||
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| annually. |
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Failure to comply with the above could result in severe personal injury, death or substantial property damage.
Handling ceramic fiber materials
REMOVAL OF COMBUSTION CHAMBER LINING
WARNING The combustion chamber insulation in this appliance contains ceramic fiber material. Ceramic fibers can be converted to cristobalite in very high temperature applications. The International Agency for Research on Cancer (IARC) has concluded, “Crystalline silica in the form of quartz or cristobalite from occupational sources is carcinogenic to humans (Group 1).” Normal operating temperatures in this appliance are below the level to convert ceramic fibers to cristobalite. Abnormal operating conditions would have to be created to convert the ceramic fibers in this appliance to cristobalite.
The ceramic fiber material used in this appliance is an irritant; when handling or replacing the ceramic materials it is advisable that the installer follow these safety guidelines.
Avoid breathing dust and contact with skin and eyes.
•Use NIOSH certified dust respirator (N95). This type of respirator is based on the OSHA requirements for cristobalite at the time this document was written. Other types of respirators may be needed depending on the job site conditions. Current NIOSH recommendations can be found on the NIOSH website at http://www.cdc.gov/niosh/homepage.html. NIOSH approved respirators, manufacturers, and phone numbers are also listed on this website.
•Wear
Apply enough water to the combustion chamber lining to prevent airborne dust.
Remove the combustion chamber lining from the appliance and place it in a plastic bag for disposal.
Wash potentially contaminated clothes separately from other clothing. Rinse clothes washer thoroughly.
NIOSH stated First Aid.
Eye: Irrigate immediately.
Breathing: Fresh air.
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