Operating
Instructions for
Electrical Heater Units
PITSAN
Page 13 / 16
PİTSAN MAK. SAN. VE TİC. LTD ŞTİ,
Esenyurt Yolu Üzeri No: 66 - 68 Bağlar Mevkii, TR – 34850 Avcılar - İSTANBUL
Tel.: 0212/4281885, Fax: 0212/4281661, Email:
,
http: //www.pitsan.com
9 MAINTENANCE AND REPAIRS
Maintenance and repair must be carried out by qualified personnel only. Before
any maintenance or repair activity heater must be
DISCONNECTED
from supply
circuit
Once a year remove the dust accumulation inside the heater using a vacuum cleaner
or compressed air. Be careful not to bend the fan blades
The electric motors are permanently lubricated and thermally protected . There is no
need for lubrication.
Check periodically motor and fan for smooth running operation
Annually check for tightness of visible bolts and nuts
Periodically inspect electrical cable insulations, contactors to avoid any short circuits
Be sure that all clearances for air intake are kept as installation
10 POSSIBLE PROBLEM CAUSES AND SOLUTIONS
PROBLEM
POSSIBLE CAUSE
SOLUTION
Fan is not operating
The fan is not plugged
Plug in the fan control wiring
The fan switch is OFF
Switch the button ON position
The motor is defected
Replace the motor
Heater is not operating
Set thermostat temperature
is higher than room
temperature
Set thermostat temperature to
higher position
There is abnormal heating
fan is not working
Check fan connections
There is abnormal heating
air inlet is not sufficient
Increase the clearance between
wall/ceiling and the fan
Not sufficient air is
blowing
The clearance is not right
Check the clearance between
wall/ceiling and the fan
Heating output is reduced
The inlet air temperature is
low
Perform mechanical checks to
see if heating elements are
working properly. If yes it's OK
If one or more heating
elements are burned
Replace the heating elements
