Page 2
WARNINGS 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. The appliance must be commissioned & serviced by qualified engineers in compliance with local regulations.
Page 4
Specifications: The FF42-21 is an 42kW 3 phase industrial electric fan heater. The appliance is connected to a 400v 63Amp 3P+N+E 50Hz (The Neutral is unused) power supply and comes fitted with the appropriate 5 pin plug. This appliance requires an Earth connection.
Page 5
THERMOSTAT Using the remote thermostat: Set the thermostat selector switch to 'Remote thermostat'. (See P9). Lift the retaining catch and remove the protective cap from the remote thermostat socket. The thermostat socket is located on the control panel at the rear of the machine. Fit the remote thermostat plug to the socket and secure in place with the retaining catch.
Page 6
PROTECTIVE /SAFETY DEVICES The FF42 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 heater contactors (The fan will continue to run). This device requires a manual reset and should only operate in the event of a fault.
Page 7
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. • If the reset button is noticeably pronounced the reset has activated. •...
Page 8
Phase failure relay: Should the power supply fault warning lamp illuminate investigation will be required by a qualified electrician. Under no circumstances should untrained operatives carry out this testing. The phase failure relay will prevent operation of the machine for the following faults: 1: Phase sequence incorrect.
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 &...
Need help?
Do you have a question about the FF42-21 and is the answer not in the manual?
Questions and answers