Thermistor Temperature Characteristics; How To Operate The Outdoor Unit Independently - Sharp AE-X15PU Service Manual

[3] THERMISTOR TEMPERATURE CHARACTERISTICS

1. Outdoor unit thermistor temperature characteristics
To measure the resistance, first remove the connector from the board.
T h r e m t s i r o
Compressor thermistor
Heat exchanger pipe thermistor
Outdoor temp. thermistor
Suction temp. thermistor
TH1: compressor thermistor
500K
400K
25ºC resistance
300K
45 K
200K
100K
0
-20 0 20

[4] HOW TO OPERATE THE OUTDOOR UNIT INDEPENDENTLY

1. Cooling in 40 Hz fixed mode
To operate the outdoor unit independently, short-circuit the sections indicated by arrows in the diagram below with an adapter, and apply rated VAC
between (L1) and (L2) on the terminal board of the outdoor unit. This allows the outdoor unit to be operated in cooling mode independently.
(Do not operate the outdoor unit in this condition for an extended period of time.)
L2
f these pads are connected and Power is applied to L1 and L2 on terminal board.
hen the outdoor unit operate in "TEST COOL 40Hz" mode.
No. Connector
1 - 2
TH1
3 - 4
TH2
TH3 5 - 6
TH4 7 - 8
Connector
(CN8)
1
5.78K 3.06K
4.17K 2 28K
1.72K
60 80 100 120
Temperature (ºC)
Soldering Side
C8 C9
L3
C l o r o
Red
Orange
Green
Black
40K
30K
8
20K
10K
Tester
3 – 5
TH2: Heat exchange thermistor
TH3: Outdoor temp. thermistor
TH4: Suction pipe thermistor
0 º C resistance
14.5 K
25 º C resistance
4.431 K
TH2, TH3, TH4
0
-20 0 20 40
Temperature ( º C)
AE-X15PU
Connector
CN8
1 8
Tester
60