Transducer; Low Pressure Transducer (Lpt); High Pressure Transducer (Hpt) - Daikin LXE10E-A11 Manual

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8. Transducer

8.1 Low pressure transducer (LPT)

Model LXE10E-A11,A20,A26
Transducer type SPCL02
Transducer Blue seal
Connector Blue tape
The LPT is located in the refrigerant circuit.
The operating low pressure value is displayed
on the controller indication panel.
(1) Replacing the transducer
q Disconnect the lead wire from the control box.
w In order to prevent refrigerant from flowing
out, disconnect the low-pressure transducer
piping from the gauge joint (with check valve)
C on the compressor side.
e Remove two screws on the clamp plate fixing
low pressure transducer in place, and cut the
binding bands.
w Binding band
r Remove the heat shrinkage tube, and
disconnect the connector from the low
pressure transducer.
¡
LXE10E-A12, A12A
Connector
¡
LXE10E-A12B, A28
Low pressure transducer
t Insert the pressure transducer cable through
the heat shrinkage tube, and connect the
union joint and connector to the new low
pressure transducer. If paint on the low
pressure transducer is peeled off, apply clear
lacquer.
Low pressure transducer
Heat shrinkage tube
CAUTION
Do not expose the low pressure
transducer to hot air of a dryer for
excess time.
Otherwise, the transducer may be damaged.
LXE10E-A26A
NSK-BC010F
Black body
Nothing
w Binding band
q Clamp plate
Low pressure transducer
Flare nut
Union joint
Flare nut
Union joint
Flare nut
y Apply the heat shrinkage tube in the following
position, then shrink it with hot air of a dryer.
Low pressure
transducer cable side
q Heat shrinkage tube
u Apply sealer between the heat shrinkage tube
and the flare nut. (Sealer :KE4898)
i Fix the low pressure transducer with the
clamp plate, and fix the cable with the binding
band.
Fix the shrinkage tube end of the cable side
downward for prevention of water entering
into the tube.
Fix the tube directing
the end downward

8.2 High pressure transducer (HPT)

Model LXE10E-A11,A20,A26
Transducer type SPCH01
Transducer Red seal
Connector Red tape
The HPT is located in the refrigerant circuit.
The operating high pressure value is displayed
on the controller indication panel.
(1) Replacement procedure
The replacement procedure is the same as
that for the low pressure transducer.
Make sure that the fixing position and the
cable connection is correct.
12
w Connector
e Flare nut
Gauge
pipe side
Make the heat shrinkage
tube fit in this area
r Dryer
Sealer
q Clamp plate
w Binding band
LXE10E-A26A
NSK-BC030F
Red & Brown body
Nothing