Puravent FF3HT 3Kw High Temperature Electric Fan Heater Instruction Manual

June 4, 2024
puravent

Paravent FF3HT 3Kw High-Temperature Electric Fan Heater

WARNINGS
These instructions should be read by:

  • The specifying engineer.
  • The installation engineer.
  • The user.
  • The service engineer.

introduction

  • 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.
  • The appliance must be switched off and disconnected from the power supply before any work is carried out.
  • There are no user controls inside the appliance casing.
  • Do not place anything on top of the appliance.
  • Do not use in the vacinity of a pool, bath or shower.
  • An air gap of at least 300mm should be allowed at the rear of the unit to ensure a clear airflow. Do not site the unit close to soft fabrics or combustible materials.
  • Allow the unit to cool by running fan only for a minimum of 5 minutes before switching off.
  • Do not disconnect the appliance from the supply under load.
  • For internal use only. Do not use out of doors.
  • Extension cables should be correctly rated for the load,fully unwound and never run through water or over sharp edges.

Specifications

The FF3HT is a 3Kw single phase industrial high temperature electric fan heater.

  • The appliance is connected to a 13Amp 1 50Hz power supply and comes fitted with the appropriate uk mains plug.
  • The FF3HT is fitted with a high quality axial fan motor.
  • The FF3 is fitted with a digital remote thermostat as standard.

Setup and operation

To start:

  • Please note ! the control panel is at the rear of the appliance.
  • Site the appliance on a firm level surface.
  • connect to the appropriate power supply.
  • Switch the rocker switch to I.
  • Set the thermostat to the desired temperature.

Setting the digital thermostat:(see diagram P4)
The digital thermostats ‘set point’ (the temperature that the unit operates up to and ceases to operate at) has been factory set at 60 C. At 62 C the unit will stop heating(the fan will continue to operate). The unit will recommence heating when the temperature drops below 60 C.
To change the thermostat ‘set point’:

  • Press and hold the ‘set’ button until the ‘set point’ (60 C) appears flashing on the screen.
  • Release the ‘set’ button and use the ‘up’ & ‘down’ arrows to change the ‘set point’
  • Leave the thermostat to return to it’s normal display of ambient temperature.

To stop the machine

  • Switch the rocker switch to 0.
  • If the heater is not in regular daily use disconnect from the power supply.

Protective /safety devices

  • The FF3HT is fitted with a safety limit thermostat. Should the maximum design operating temperature be exceeded it will shut down the heating element and leave the fan running. This device will automatically reset as the temperature reduces.

Rear view. Control Panel

Puravent FF3HT 3Kw High Temperature Electric
Fan Heater fig 1

Digital thermostat controls

Exploded view

Spare parts

Item No Description Part No
1 FF3 CASE BW 0201155
2 FF3 CHASSIS BW0201156
3 HEATING ELEMENT HE010114
4 RUBBER FOOT ME040315
5 FAN MOTOR ASSEMBLY FA040215
6 OVER TEMPERATURE THERMOSTAT EL010301
7 MAINS CABLE C/W PLUG EL020124
8 TRUNK HANDLE ME040305
9 CABLE GLAND C/W LOCK

NUT

| ME040201
10| 1/0 ROCKER SWITCH| EL030135
11| REMOTE THERMOSTAT CASE| BW020807
12| DIGITAL THERMOSTAT| EL030403
13| 4 CORE CABLE 5M| EL020127
14| MODULAR TERMINAL BLOCK| EL020423
15| 30A RELAY| EL030201

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 & outlet grills: ensure grills are free from accumulated debris. blow out with compressed air if required.
  3. Fixings: Check all fixings are present and secure.

Fault finding ****

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