22
8-3. LEV,THERMISTOR (Liquid/Gas piping temperature detection)
OPERATING PROCEDURE
PHOTOS
Models 30
•
54
1.Removing the LEV.
(1) Remove the control box cover with procedure 8-1.
(2) Remove the fixing screws (four) of the heat exchanger cover
(A), and remove the cover (A).(Fig. 1)
(3) Remove the LEV driving motor with a double spanner.(Fig. 2)
2.Removing the thermistors.
(1) Remove the thermistors from the thermistor holders which
are installed on the piping.(Fig. 2)
(liquid piping : fine piping , gas piping : thick piping)
Models 72
•
96
1.Removing the LEV. (These models have 2 LEV)
(1) Remove the fixing screws (three) of the heat exchanger cover
(A), and remove the cover (A).
(2) Remove the fixing screws (four) of the maintenance cover
(B), and remove the cover (B).(Fig. 3)
(3) Remove the LEV driving motor with a double spanner.(Fig. 4)
2.Removing the thermistors.
(1) Remove the thermistors from the thermistor holders which
are installed on the piping.(Fig. 4)
(liquid piping : fine piping , gas piping : thick piping)
Fig.1
Fig.2
Fig.3
LEV
Thermistor
Fig.4
Be careful on removing heavy parts.
(A)
Fixing screws
LEV
Thermistor
(A)
(B)
Fixing screws
Fixing screws
