High Pressure Transducer (Hpt) - Daikin LXE10E-A14 Service Manual

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4.1.12 Low pressure transducer (LPT)
G Model SPCL02
G Colour indication: Low pressure transducer: Blue
Low pressure transducer: cable: White
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, then disconnect the low
pressure transducer from the flare nut.
q Low pressure transducer
w Flare nut
t Insert the pressure transducer cable through
the heat shrinkage tube, and connect the
cable to the new low pressure transducer. If
paint on the low pressure transducer is
peeled off, apply clear lacquer.
q 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.
w Binding band
q Clamp plate
e Connector
w Low pressure transducer
e 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

4.1.13 High pressure transducer (HPT)

G Model SPCH01
G Colour indication: High pressure transducer: Red
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.
4-10
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
High pressure transducer: cable: Red