Service manual

12
Data is based on the condition of indoor humidity 50%.
Air flow should be set to High speed.
MSZ12UN
(Cooling)
Data is based on the condition of outdoor humidity 75%.
Air flow should be set to High speed.
Data is for heating operation without any frost.
MSZ12UN
(Heating)
68 70 75 80 85 90 95 100 104(°F)
50
55
60
65
70
75
80
85
90
95
100
105
110
(PSIG)
Condensing pressure
86
80
75
70
Suction pressure
Outdoor ambient temperature
Indoor DB temperature (
°F)
(PSIG)
86
80
75
70
68 70 75 80 85 90 95 100 104(°F)
140
160
180
200
220
240
260
280
300
Indoor DB temperature (°F)
Outdoor ambient temperature
75
70
65
(PSIG)
Condensing pressure
Outdoor ambient temperature
5 10152025303540455055606570(°F)
120
130
140
150
160
170
180
190
200
210
220
230
240
250
260
270
280
Indoor DB temperature(
°F)
(PSIG)
Outdoor ambient temperature
75
70
65
Suction pressure
5 10152025303540455055606570(°F)
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
85
90
95
100
Indoor DB temperature (
°F)
OB297--1.qxp 04.2.4 4:19 PM Page 12