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UTP-VX90A
Fujitsu UTP-VX90A User Manual
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T
o accurately detect the outside air temperature, the fan is operated while the outdoor unit is stopped.
2-3-4
Other Control
02-07
EEV 1
EEV 2
EEV is controlled so that the system reaches closer to the target discharge temperature that is calculated from
high and low pressure.
< Cooling mode >
< Heating mode >
3000
pulses basically.
Initialization
conditions
Control range
operation
stop
3000 Plulses
55 - 500 pulses
0 pulses
40 pulses
2-4 EXPANSION VALVE CONTROL
Cooling
Heating
Operation mode
160 -
3000
pulses
Cooling
Heating
When power
turned on
When operation
stopped
33
35
Table of Contents
Default Chapter
2
Table of Contents
2
Execution Procedure and Execution Precautions
6
Test Run Method
8
Check Items after Power on
9
Test Run from Remote Controller
15
Simple Remote Controller
15
Central Remote Controller
16
Test Run Control
20
Field Setting and Monitor Mode List for Outdoor Unit
21
Field Setting / Function Setting for Indoor Unit
24
Field Setting / Function Setting for Outdoor Air Unit
26
Input / Output List
28
Compressor Operation
29
Speed Range of Start,Stop,And Operation
30
Fan Control
31
Heating Operation
32
Low Noise Mode
33
Other Control
34
Special Operation
35
Pre-Heat Operation
36
Protective Function
37
Operating Condition
39
3 Indoor Unit Operation
40
Fan Control
41
Fan Speed Setting
41
AUTO" Position
41
Master Control
42
3-2-1,2 Operation Mode Control
42
3-2-3,4 Auto Changeover
46
3-2-5,6,7,8 "Cool"/"Heat"Position
48
Louver Control
50
Electronic Expansion Valve Control
53
Drain Pump Operation
53
Operation Control
53
Special Control
53
Function
55
Auto Restart
55
Icing Protection Control
55
Oil Recovery Operation
55
Outdoor Temperature Protected Operation for Outdoor
56
Timer Control
57
Wireless Remote Controller
57
Group Remote Controller
59
Wired Remote Controller
61
DX-Kit
65
System Configuration
65
Fundamental Functions
66
Cooling Operation
67
Electrical Expansion Valve Control for DX-KIT
68
Function
69
4 Trouble Shooting
70
Normal Operation
71
Indoor Unit Display
71
Outdoor Unit Display
72
Abnormal Operation
73
Indoor Unit Display
73
Outdoor Unit Display
74
Error Code List for Outdoor Unit
75
Remote Controller Display
76
Error Code List for Simple and Wired Remote Controller
77
Error Code List for Group Remote Controller
77
Troubleshooting - no Error Code
78
Rror Code List for External Switch Controller
78
Error Code List for Signal Amplifier
78
Error Code List for Network Convertor
78
Trouble Shooting 1
79
Trouble Shooting with Error Code (Indoor Unit)
79
Trouble Shooting with Error Code (Outdoor Unit)
108
Trouble Shooting with no Error Code
145
Abnormal Noise
149
Trouble Shooting for Optional Parts
151
Communication Error
164
Service Parts Information
182
Main Pcb
184
5 Appending Data
205
Refrigerant Circuit
206
Indoor Unit
207
Outdoor Unit
207
Ceiling Type
220
Outdoor Unit
232
DX-Kit
234
Characteristics of Sensors
236
Thermistor Resistance
237
Temperature and Pressure of Refrigerant (Graph)
239
6 Disassembly Process
240
Compressor Removal
252
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Fujitsu UTP-VX90A Specifications
General
Brand
Fujitsu
Model
UTP-VX90A
Category
Air Conditioner
Language
English
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