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2-9 PROTECTIVE FUNCTION
2-9-1 Discharge temperature protection
Protective function
Detect device
Discharge
Discharge temp.
temperature
sensor <TH1>
protection 1
Discharge
Discharge temp.
temperature
sensor <TH1>
protection 2
Discharge
Discharge temp.
temperature
sensor <TH1>
protection 3
Discharge
Discharge temp.
temperature
sensor <TH1>
protection 4
Discharge
Discharge temp.
temperature
sensor <TH1>
protection 5
Discharge
Discharge temp.
temperature
sensor <TH1>
protection stop
Cool Heat
Display
Starting conditions
Cooling/Cooling Main:
Discharge temperature
above 203
Heating/Heating Main:
Discharge temperature
above 216
Cooling/Cooling Main:
Discharge temperature
Above 225
Discharge temperature
Above 221
Discharge temperature
Above 194
(Heating/ Heating main)
Discharge temperature
Above 203
P1
Pattern 1: Discharge
temperature
above 239
EA11
Pattern 2
Condition 1 generated
2 times within 40
minutes
02-16
Release conditions
°F
Below 194
°C)
(90
°F(
°C)
95
°F
Below 207
°C)
(97
°F(
°C)
102
°F
Below 221
°F)
(105
°F(
°C)
107
°F
Below 212
°F(
°C)
°F)
105
(100
°F
Below 185
°F
°C)
°
(90
(85
C)
°F
Below 194
°F(
°C)
°
95
(90
C)
3 minutes have
elapsed and
°F
°
Discharge
(115
C)
temperature
°F
below 176
°
(80
C)
Error reset (push
button SW)
executed after
power reset
Operation
EEV3 + 30pls/30 sec.
Outdoor unit rotation execution
* After rotation has been
executed once; it is executed
every 15 minutes.
Compressor speed decrease
- 6rps every 30 sec. until it
becomes the cancelation
condition.
EEV's of operating indoor unit
in heating mode (incl. the
Thermo OFF indoor units)
gradually opens.
(Thermo OFF indoor unit;
max. 200 pls)
EEV1 and EEV2 operating
outdoor unit +10pls / 30sec
Corresponding outdoor unit
stops
Corresponding outdoor unit
stops (Permanent stop) &
Error display
- Quick Links:
- Service Manual
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Troubleshooting
