Protective Function List - Fujitsu Airstage J-II Service Manual

2-6 PROTECTIVE FUNCTION

2-6-1 Protective Function List

Protective Function
Detect Parts
Discharge Temp Discharge Temp
Protection 1 Thermistor
Discharge Temp Discharge Temp
Protection 2 Thermistor
Discharge Temp Discharge Temp
Protection 4 Thermistor
Discharge Temp Discharge Temp
Protection 5 Thermistor
Discharge Temp Discharge Temp
Protection Stop Thermistor
High Pressure High Pressure
Protection 1 Sensor
High Pressure High Pressure
Protection 2 Sensor
High Pressure High Pressure
Protection 3 Sensor
High Pressure High Pressure
Protection 4 Sensor
High Pressure High Pressure
Protection 5 Sensor
Abnormal High High Pressure
Pressure Protection Sensor
Control
COOL HEAT DISPLAY
<Starting conditions>
3 minutes have elapsed since the start of operation and
(discharge temperature
30 minutes)
<Reset conditions>
Discharge temperature
<Starting conditions>
Cooling: Discharge temperature
Heating: Discharge temperature
< starting condition>
Discharge temperature
<Starting conditions>
Discharge temperature
<Reset conditions>
2 minutes have elapsed and
(discharge temperature
P1
<Pattern starting condition>
Discharge temperature
<Pattern reset condition>
3 minutes have elapsed and discharge temperature
EA11
<Pattern starting condition>
Pattern generated 2 times within 40 minutes
<Pattern reset condition>
Error reset (push button SW) executed after power turned on again
<Starting conditions>
COMP < 25 rps ---- HP
25 rps COMP < 30 rps ---- HP
30 rps COMP
<Reset conditions>
Fixed time has elapsed and Fixed time when SV2: ON 30 secs
COMP < 25 rps ---- HP
25 rps COMP < 30 rps ---- HP
30 rps COMP
<Starting conditions>
COMP
COMP < 25 rps ---- HP
<Reset conditions>
3 minutes have elapsed and high-pressure
<Starting conditions>
Fixed time has elapsed and high-pressure
(* Fixed time at start of operation: 10 secs, after operation execution: 20 secs)
<Reset conditions>
Operation (fan speed 1 step increase) complete
<Pattern starting condition>
High-pressure
<Pattern starting condition>
High-pressure
<Starting conditions>
High-pressure
<Pattern starting condition>
COMP < 30 rps ---- HP
COMP
<Pattern reset condition>
After 25 seconds have elapsed and,
COMP < 30 rps ---- HP
COMP
<Pattern starting condition>
COMP
COMP
<Pattern reset condition>
After 25 seconds have elapsed and,
COMP
COMP
Operating Condition
100°C or suction SH 10°C accumulated time
95°C and suctionSH 7°C
<Reset conditions>
95°C Discharge temperature
102°C Discharge temperature
<Pattern reset condition>
105°C Discharge temperature
95°C and EEV1=500pls
90°C or EEV1 400pls)
fixed value (115°C)
80°C
3.3 MPa
3.5 MPa
---- HP 3.8 MPa
3.0 MPa
3.2 MPa
---- HP 3.5 MPa
25 rps ---- HP 3.5 MPa
3.3 MPa
2.80MPa
3.50MPa
<Pattern reset condition>
3.30MPa High-pressure
<Pattern reset condition>
3.50MPa High-pressure
<Reset conditions>
3.20MPa High-pressure
3.18 MPa
30 rps ---- HP 3.68 MPa
3.1 MPa
30 rps ---- HP 3.6 MPa
30 rps ---- HP 3.3 MPa
30 rps ---- HP 3.8 MPa
30 rps ---- HP 3.18 MPa
30 rps ---- HP 3.68 MPa
02-11
EEV of operating indoor unit gradually opened
EEV2 + 30pls/30 secs
90°C
97°C
Compressor speed -6rps every 30 secs
100°C
Speed rise prohibited,
when discharge temperature becomes lower
than 105 , prohibit the rotational speed rise
of the compressor.
Expansion valve of stopped indoor unit gradually
opened
(upper limit 200pls)
Compressor stopped
Compressor stopped
(permanent stop)
Error display
SV2 ON
SV2 ON
Fan speed 1 step increase
Fan speed lowered/every 30 secs
3.2MPa
Fan lowest speed
Upper 270 rpm
3.5MPa
Lower 250 rpm
Compressor capacity lowered/every 15 secs
3.20MPa
Compressor capacity rise prohibited
Compressor capacity lowered every 30 secs
Operation