62
- 62 -
HWE10170
GB
3. Thermistor (Gas pipe) (Liquid pipe) · LEV
Exercise caution when removing heavy parts.
1. Remove the control box cover according to the proce-
dure in section
1. Control box
.
2. Removing the maintenance cover
(1) Remove the ten fixing screws on the cover (D) , cover
(E) , and cover (F) to remove the maintenance cover.
Fig.4
3. Removing the thermistor
(1) Disconnect the connector (CN44) from the Indoor con-
troller board.
(2) Remove the thermistor (G) from the thermistor holder
(H)on the copper tube.
Thermistor size
Liquid pipe: ø8mm
Gas pipe: ø6mm
4. Removing the LEV
(1) Disconnect the connectors (CN60 and CN7V) from the
Indoor controller board.
(2) Remove the drive motor (J) using two spanners.
(3) When replacing the valve body (K), protect the sur-
rounding parts (e.g., insulation and wires) from brazing
torch flame.
Fig.5
(F)
(E)
(D)
(G),(H)
(J)
(K)
Indoor controller board
HWE10170.book 62 ページ ２０１１年７月１９日 火曜日 午後２時５７分