Low Pressure Sensor (Lpt) - Daikin LX10F11B Service Manual

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4.8.10 Low Pressure Sensor (LPT)

Type NSK-BD010F-070
●Removal of LPT
1. Remove LPT cable from control box.
2. Remove heat shrink tube and LPT connection
tube from joint with check valve.
※ Loosen flare nuts using two wrenches.（Fig. 5）
※ Do not lose push-stick inside the joint with check
valve. (Fig. 2)
●Installation of LPT
1. Insert heat shrink tube into LPT connection tube.
2. Connect LPT connection tube to joint with check
valve.
※ Tighten flare nuts using two wrenches. (Fig. 5)
3. Connect LPT to the other end of LPT connection
tube.
※ Tighten flare nuts using two wrenches. (Fig. 5)
4. Purge air inside LPT connection tube by
loosening the flare nut of LPT and tighten the
flare nut again.
5. Check for make sure there is no gas leakage.
Two wrenches
Suction
pipe
Joint with check valve.
Two wrenches
Union Joint
Fig. 5 Use two wrenches for loosening
and tightening flare nuts
LPT connection pipe
LPT
4-20
6. Set one end of heat shrink tube to left side of
union joint. (Fig. 6) and then ① Shrink the tube
by heating up using hair dryer.
② Apply silicon sealant to both ends of the tube.
③ Band both ends of the tube. (Fig. 6)
② Apply silicon sealant to both ends inside
of the tube.
① Shrink the tube in
this area
Fig. 6 Union Joint
③ Band both ends of the tube.
10. ④ B e n d t h e L P T c a bl e a s s h ow n i n t h e
photograph below, and secure it to the LPT
body with the band.
Heat shrink tube
LPT