Fujitsu UTP-VX90A User Manual

02-05
2-3-2 Heating Operation
Switching conditions of step
Fan step
8HP&10HP: 11 / 12HP: 13
6
0
Outside air temperature
sensor detected value
TAOUT 0°C
0°C TAOUT 5°C
5°C TAOUT
Thereafter, the high-pressure is monitoring at a set time interval and the fan speed is changed by the following conditions.
(Condition which lowers the fan speed)
Low-pressure 0.85MPa and heat sink temperature
(Condition which raises the fan speed)
Low-pressure saturation 0.74MPa or heat sink temperature
The initial speed of the first boot outdoor unit is detected by outdoor air temperature sensor value (TAOUT).
Fan step
11
10
9
8
7
6
5
4
3
2
1
0
680
680
660
660
590
510
520
400
440
330
380
300
300
300
450
0
300
0
0
0
0
0
Fan speed (rpm)
780
740
660
660
590
510
520
400
440
330
380
300
300
300
450
0
300
0
0
0
0
0
790
710
700
620
590
510
520
400
440
330
380
300
300
300
450
0
Intermittent 1
0
0
0
0
0
Step
Upper FAN
Lower FAN
AJ*072LELAH
AJ*090LELAH AJ*108LELAH
13
12
-
-
-
-
-
-
-
-
960
880
870
790
Intermittent 2
300
Intermittent 1
Intermittent 2
Intermittent 1
Intermittent 2
Intermittent 1 : 14 sec. ON (300rpm), 17 sec. OFF
Intermittent 2 : 19 sec. ON (300rpm), 17 sec. OFF
55°C: 8&10HP
60°C: 12HP
60°C: 8&10HP
65°C: 12HP

Fujitsu UTP-VX90A Specifications

General

Brand	Fujitsu
Model	UTP-VX90A
Category	Air Conditioner
Language	English