WARNINGS These instructions should be read by: The specifying engineer. The installation engineer. The user. The service engineer. • Failure to follow these instructions may result in risk of personal injury or damage to the equipment. • Damage due to a failure to follow these instructions will invalidate the warranty.
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BS EN 60335-1. 2012. BS EN 60335-2. 2009+A11:2012. BS EN 61000. Optional extras: The FF13-22 can have a twin 150mm spigot outlet as an optional extra. This will allow the unit to run up to a combined total length of 10m of 150mm diameter ducting.
The machine is not phase rotationally sensitive ! The FF13 is fitted with a high quality forward curved motorised impellor which will allow it to operate with up to 7.5m of 250mm duct. When using twin 150mm ducts, both ducts should not exceed 10m total.
Using flexible ducting: • This appliance is designed to be operated with a maximum flexible duct length of 7.5m. • 250mm ducting should be fitted. Do not use reducers. Where twin 150mm ducts are used the total length of the combined ducts should not exceed 10m. •...
Protective /safety devices: • The FF13 is fitted with a safety limit thermostat. This is a fail-safe device. Should the maximum design operating temperature be exceeded it will shut down the heating elements and leave the fan running. This device requires a manual reset and should only operate in the event of a fault.
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Safety limit thermostat: Checking and resetting the safety limit thermostat: Should the safety limit thermostat activate the causes should be investigated. • Remove the black plastic screw cover from the safety limit thermostat. (See P7) • If the reset button is noticeably pronounced the reset has activated. •...
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Maintenance: Always isolate the machine from the power supply before Carrying out any maintenance. Fan motors, elements and switch gear are not customer serviceable components. General maintenance should include regular inspection of: 1: Mains cable. Check for signs of damage to the insulation. Replace if necessary. 2: Air intake &...
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