Midea M2OC-14HRDN1 Technical & Service Manual page 19

7.4.6 Opening degree of electronic expansion valve:
Opening degree equals the display data times 8
7.5 Protection
7.5.1 Three minutes delay at restart for compressor.
7.5.2 Temperature protection of compressor discharge.
When the compressor discharge temp. is getting higher, the running frequency will be limited as below
rules:
℃
----If 102℃<T5<115 , decrease the freq
---If T5>115℃ for 10 seconds, the compressor will stop and restart till T5<90℃.
7.5.3 Under voltage protection
Mode VOLLIMT1(V)
M2OC-14HRDN1 220
M2OC-14HRDN1-Q 220
M2OC-18HRDN1 230
M2OC1-18HRDN1-Q 230
M3OC1-21HRDN1-Q 245
M3OC-27HRDN1 245
M3OC1-27HRDN1-Q 245
M4OC-24HRDN1-Q 245
M4OC-27HRDN1 221
M4OC1-27HRDN1-Q 221
M4OC-36HRDN1-Q 200
For M5OA-36HRDN1-Q,
uency to the lower level every 2 minutes till to F1.
VOLTAGE
VOLLIMT1
VOLLIMT2
VOLLIMT3
VOLLIMT2(V) VOLLIMT3(V)
200 80
200 80
200 80
200 120
220 80
220 80
220 120
220 120
210 80
210 80
185 80
VOLTAGE
VOLT_RST1_ADD
VOLT_LTM1_ADD
VOLT_RST2_ADD
VOLT_LTM2_ADD
VOLREL1
No limit
VOLFRE1
VOLREL2
VOLFRE2
VOLREL3
Off
VOLREL1(V) VOLREL2(V)
250 210
250 210
260 210
260 210
265 240
265 240
265 240
265 240
260 225
260 225
210 195
No limit
VOLT_LTM_FREQ1_ADD
VOLT_LTM_FREQ2_ADD
VOLREL3(V) VOLFRE1(Hz)
100 62
100 62
100 62
135 62
100 78
100 78
135 78
135 78
100 62
100 53
100 54
ODMI-1103-A
VOLFRE2(Hz)
54
54
54
54
45
45
45
45
54
44
42