Sisu Commercial Products Sleeptight 800, Инструкция и руководство пользователя

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SERVICE INSTRUCTIONS
1. Close the fuel supply valve to the heater and disconnect the electrical supply before servicing unless
necessary for your service procedure.
2. Clean the heater’s orifice with compressed air or a soft , dry rag. Do not use files, drills, broaches, etc. to
clean the orifice hole. Doing so will enlarge the hole, causing combustion or ignition problems. Replace
the orifice if it cannot be cleaned properly.
3. Test high limit switch fuction.
-- See service instructions on page 30.
4. The air pressure switch must not be jumped. If jumped, the ignition control will not allow the heater to
operate. Test the air pressure switch for continuity. If defective, replace the switch.
5. Open the front case panel for access to the heaters interior components.
6. Disconnect the appropriate electrical leads when replacing components.
7. For reassembly, reverse the respective service procedure. Ensure gas connections are tightened securely
and leak checked.
8. Aft er servicing, start the heater to ensure proper operation.
WARNING: Burn Hazard
• Heater surfaces are hot for a period of time aft er the heater has been shut down.
• Allow the heater to cool before performing service, maintenance, or cleaning.
• Failure to follow this warning will result in burns causing injury.
WARNING: Fire and Explosion Hazard
• Do not disassemble or attempt to repair any heater components or gas train
components such as gas valves, or gas hoses.
• All component parts must be replaced if defects are found.
• Failure to follow this warning will result in fire or explosions, causing property
damage, injury, or death.
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