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MXZ-3A
1 Discharge temperature
2 Each correction
• (Each gas pipe temperature thermistor - Minimum gas pipe temperature thermistor)w 1
• (Main indoor coil thermistor - Sub indoor coil thermistor)
w 1 Perform this, when number of operation units is 2 units or more.
w 2 Correct the LEV opening by discharge temperature.
COOL DRY HEAT
• •
-
•
w 2
•
w 2
•
<Correction>
(1) LEV opening correction by discharge temperature
The target discharge temperature is determined according to frequency zone and number of operation unit of the
compressor.
Operation frequency
of compressor (Hz)
Minimum ~ 23
24 ~ 38
39 ~ 54
55 ~ 69
70 ~ 85
86 ~ Maximum
1 unit
95
104
120.2
136.4
149
158
2 units
136.4
140
149
154.4
158
158
1 unit
122
132.8
140
140
140
140
2 units
122
122
132.8
140
140
140
Number of operating unit Number of operating unit
COOL
HEAT
Target discharge temperature (˚F)
MXZ-2A
Operation frequency
of compressor (Hz)
Minimum ~ 14
15 ~ 23
24 ~ 32
33 ~ 41
42 ~ 50
51 ~ 59
60 ~ 68
69 ~ 77
78 ~ 86
87 ~ Maximum
1 unit
95
104
120.2
136.4
149
154.4
158
167
167
167
2 units
131
131
136.4
140
149
154.4
158
163.4
167
176
3 units
134.6
134.6
145.4
149
158
163.4
167
176
179.6
179.6
1 unit
125.6
136.4
149
154.4
154.4
154.4
154.4
154.4
154.4
172.4
2 unit
143.6
150.8
165.2
172.4
172.4
172.4
172.4
172.4
172.4
172.4
3 units
122
131
140
152.6
161.6
168.8
168.8
168.8
168.8
168.8
Number of operating unit Number of operating unit
COOL
HEAT
Target discharge temperature (˚F)
OBT16--1.qxp 06.3.29 11:20 AM Page 25