Protection Control For Cooling And Soft Dry Operation - Panasonic CS-RE9JKE Service Manual

13.1.6 Low pressure Prevention control (Gas Leakage Detection)
1. When the conditions listed in the table occur, the compressor stops and restarts after three minutes.
2. If this continuously occurs for twice within 20 minutes, all indoor and outdoor relays will be cut off.
3. This control is not applicable for deice operation.
Comp Frequency 45 Hz or above
Total Outdoor Current
1b 1 3
Indoor Piping Temp
20
Operation Mode Cool/Dry
Model
13.1.7 Low Operation Frequency Protection Control
If all following conditions exists, the compressor will run with the frequency of 40 Hz (RE9JKE,RE12JKE) or 30Hz
(RE15JKE)
Models
Intake Air Temp.
Outdoor Temp.
Indoor Piping Temp.
Operation Mode
13.1.8 Compressor Tank Temperature Rise Protection Control
a. Control start conditions
• For 5 minutes, the compressor continuously operates and outdoor total current is between 0.65A and 1.65A.
• During Cooling and Soft Dry operations:
Indoor suction temperature - indoor piping temperature is below 4 .
Indoor temperature and outdoor temperature is 30±5 .
Remote Control setting 16
• During Heating operations:
Indoor piping temperature - indoor suction is under 5 .
Indoor temperature and outdoor temperature is 20 ± 2 .
Remote control setting 30
b. Control contents
• Compressor stops (and restart after 3 minutes)
• If the conditions above happen 2 times within 20 minutes, the unit will:
- Stop operation
- Timer LED blinks and "F91" indicated

13.2 Protection Control For Cooling and Soft Dry Operation

13.2.1 Outdoor Air Temperature Control
• The compressor operating frequency is regulated in accordance to the outdoor air temperature as shown in the
diagram below.
• This control will begin 1 minute after the compressor starts.
• Compressor frequency will adjust base on outdoor air temperature.
38
25
18
11
Outdoor air temp.( .)
RE9JKE, RE12JKE
64 Hz or above
1b 1 1.6
or above 25 or less
Heat
RE9JKE
RE9JKE, RE12JKE
-------------------
30 or 15
38 or 16 24
30 0
Cool / Dry
and Hi Fan Speed.
and Hi Fan Speed.
free
37
Free
22
38
26
16
58 Hz or above 73 Hz or above
1b 1 1.3 1b 1 1.6
20 or above 25
Cool/Dry Heat
RE12JKE
30
or 4 38
30
Heat
38
25
18
15 11
8
Outdoor air temp.(
37
or less
RE15JKE
or 14 28
or 13 24
0
Cool/ Dry
free
16
26
37
47
.)
RE15JKE
or 14
or 4
Heat
37
22
15
8