Instruction manual
7. Maintenance 
ALWAYS  ENSURE  THAT  THE  MAIN 
EXTERNAL  ELECTRICITY  SUPPLY  IS 
SWITCHED  OFF  BEFORE  COMENCING  ANY 
MAINTENANCE ON THIS HEATER. 
To  obtain  the  best  results  from  the  heater,  it  is 
essential  to  avoid  the  accumulation  of  dust  and 
dirt  within  the  unit  on  the  air  inlet  and  discharge 
grilles. 
For  this  reason  regular  cleaning  is  necessary, 
paying  particular  attention  to  the  removal  of  dirt 
build up on the rotor blades.  
Cleaning of the  fan is best carried out  with a soft 
brush. 
A single drop of light oil should be applied to the 
motor bearing from time to time. 
All heaters are fitted with motor thermal protection. 
Other  faults  in relation to the element, motor  and 
wiring should be identified using conventional fault 
finding techniques.  
In  the  event  that  electrical  components  are  
replaced,  please  ensure  that  electrical  safety 
checks in accordance with the regulations in force 
in the country of use are undertaken.  
8. Spares & Servicing 
It  is  essential  when  ordering  spares  or 
replacement parts to state the model number and 
the  serial  number  on  the  rating  label  adhered  to 
the rear of the unit. 
The  heater  should  be  serviced  annually.  Airbloc 
offer a service facility, call 01384 489700. 
Servicing  shall  be  undertaken  by  a  competent  
person. 
Any repair or alteration carried out to this product 
without  the  prior  authority  from  AmbiRad  will 
invalidate warranty. 
Refer  to  Air  Curtain  Installation  and  Operating 
Instruction manual for details.  
Ensure electrical power is isolated from the 
product. 
9. Replacement Parts 
ALWAYS  ENSURE  THAT  THE  MAIN 
EXTERNAL  ELECTRICITY  SUPPLY  IS 
SWITCHED  OFF  BEFORE  COMMENCING  ANY 
WORK ON THIS HEATER. 
9.1 TO REPLACE A FAN/HEATER ASSEMBLY 
  Switch off the mains supply. 
  Split  and  remove  shroud  (Surface  Mount 
only) 
  Remove the grille. 
  Disconnect  the  internal  wiring  from  the 
blower 
  Remove  the  four  screws  fixing  the  fan 
heater assembly to the back case 
  The fan heater assembly can now be eased 
forward and removed from the heater case 
  Fit replacement unit and re-assemble in the 
reverse order. 
9.2 TO REPLACE A SWITCH IN THE CONTROL 
BOX 
  Switch off the mains supply. 
  Remove the switch box cover. 
  Disconnect the wiring to the switch. 
  Remove the appropriate fixing screw(s) and 
push out the switch. 
  Fit the  replacement switch, reconnect the 
wiring and replace the cover. 
WARNING: 
THIS HEATER SHOULD NOT BE 
INSTALLED WHERE THERE IS A 
CORROSIVE ATMOSPHERE. 










