Safety Devices - Fujitsu ABYG18KRTA Design & Technical Manual

11. Safety devices

Type of
protection
Circuit
Current fuse (Main PCB)
protection
Fan motor
Terminal protection program
protection
Terminal protection program
(Discharge temp.)
Compressor Terminal protection program
protection (Compressor temp.)
Thermal protection program
(Outdoor temp.)
(Only in COOL or DRY
mode)
High pressure
Pressure switch
protection
Type of
protection
Circuit Current fuse
protection (Main PCB)
Fan motor
Thermal protection program
protection
Thermal protection program
(Discharge temp.)
Compressor
Thermal protection program
protection
(Compressor temp.)
Thermal protection program
(Outdoor temp.)
(Only in COOL or DRY
mode)
Protection form
Activate
Reset
Activate
Reset
Activate
Reset
Activate
Reset
Activate
Reset
Protection form
Activate
Reset
Activate
Reset
Activate
Reset
Activate
Reset
- 96 -
Model
AOYG18KBTB
250 V, 25 A
250 V, 5 A
250 V, 3.15 A
125±10 °C
Fan motor stop
120±10 °C
Fan motor restart
110 °C
Compressor stop
After 7 minutes
Compressor restart
—
After 3 minutes, and 80 °C
—
Compressor restart
-20 °C
Compressor stop
-15 °C
Compressor restart
—
—
Compressor restart
Model
AOYG24KBTB
250 V, 25 A
250 V, 5 A
250 V, 3.15 A
125 ±10 °C
Fan motor stop
120 ±10 °C
Fan motor restart
110 °C
Compressor stop
After 7 minutes
Compressor restart
108 °C
Compressor stop
80 °C or less
Compressor restart
-20 °C
Compressor stop
-15 °C
Compressor restart
AOYG22KBTB
108 °C
Compressor stop
or less
+0
4.2 MPa
-0.15
Compressor stop
3.2 ±0.15 MPa
AOYG30KBTB
250 V, 30 A
250 V, 3.15 A
250 V, 10 A × 2
122 ±9 °C
Fan motor stop
107—126 °C
Fan motor restart
11. Safety devices