Fujitsu UTP-VX90A Manuel d'installation - Page 11

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Fujitsu UTP-VX90A Manuel d'installation

7.4. Connection of wiring

7.4.1. Terminal Explanation and Cable Holes
• Only one cable can be passed through each cable hole. To pass multiple cables
through a single cable hole, use a (fi eld supply) multi-conductor cable with more wires,
and bundle multiple cables into one.
• Maximum length of cable is 10 m. (recommended value, Except "P1" and "TR1")
·Power supply terminal
·Drain pump signal terminal
D1
P1
TR1
R1
·Transmission terminal
·Remote controller terminal
Terminal
Terminal Name
No.
P1
POWER SUPPLY
TR1
TRANSMISSION
R1
REMOTE CONTROLLER
D1
DRAIN PUMP
T1
THERMISTOR (GAS)
T2
THERMISTOR (LIQUID)
T3
THERMISTOR (INLET AIR)
T4
THERMISTOR (OUTLET AIR)
EV1
EEV1
1 - Red
2 - Brown
EV2
EEV2
3 - Black
4 - Green
5 - Yellow
6 - White
EX1
ON/OFF SIGNAL
(OUTPUT)
EX2
ERROR SIGNAL
(OUTPUT)
EX3
FAN SIGNAL
EX4
DEFROST SIGNAL
EX5
THERMOSTAT ON/OFF
SIGNAL
EX6
ON/OFF SIGNAL (INPUT)
EX7*
ERROR SIGNAL *
(INPUT)
The factory default is shorted between the
terminals by the cables.
EX8
COOL/HEAT SIGNAL
EX9
ANALOG SIGNAL
EX10
FLOAT SW SIGNAL
EX7*: The factory default is shorted between the terminals by the cables. If there is a malfunction with an external device, using this external input is recommended in order to protect the
refrigerant system.
·External interface terminal
TH1 TH2
EX1 EX2 EX3 EX4
EX5
TH3 TH4
EX6 EX7
EX8 EX9
EX10
EV2
EV1
Hole No.
H2
Power supply
H3
Transmission line
H4
2-wire type remote controller
3-wire type remote controller
H1
Drain pump
H5
Thermistor mounted to the gas
pipe
Thermistor mounted to the liquid
pipe
Thermistor mounted to the inlet
Thermistor mounted to the outlet
H9
Electronic expansion valve 1
H10
Electronic expansion valve 2
External output
H6
External controller
/ Digital
External output
/ Digital
External output
/ Digital
External output
/ Digital
External output
/ Digital
External input
H7
External controller
/ Digital
External input
/ Digital
External input
/ Digital
External input
/ Analog
External input
H8
Float switch mounted to the heat
/ Digital
exchanger
Cable holes with mounted cable glands (accessories)
Hole No.
H2
H5, H6, H7, H9, H10
H1, H3, H4, H8
H1
H2
Recommended
Connection
cable size
2
(mm
)
2.5 (AWG14)
0.33 (AWG22)
0.33 to 1.25
(AWG22 to 16)
0.33 (AWG22)
0.5 (AWG20)
0.33 (AWG22)
0.33 (AWG22)
0.33 (AWG22)
0.33 (AWG22)
0.33 (AWG22)
0.33 (AWG22)
Cable gland
Diameter
Insertable cable
type
(mm)
dimensions (mm)
Large
Φ20.0
Φ6 to 12
Medium
Φ16.2
Φ4 to 8
Small
Φ10.2
Φ3 to 6
H3
H5
H6
H7
H4
H8
H9
H10
Cable type
Specifi cations
Type245 IEC57 or
1ø 50 Hz 198 to 264 V
2 Cable + earth (ground)
equivalent
22 AWG LEVEL 4 (NEMA)
LONWORKS compatible
non-polar 2 core, twisted
cable
pair solid core diameter
0.65 mm
Sheathed PVC cable
Non polar 2 core
Sheathed PVC cable
Polar 3 core
Type245 IEC57 or
equivalent
Sheathed PVC cable
Relay the multi-conductor
cable, and pass it through
the designated hole.
Sheathed PVC cable
Sheathed PVC cable
Use the electronic
expansion valves only
when two units are
connected
Sheathed PVC cable
Sheathed PVC cable
ERROR SIGNAL
OFF(Open)= Error
ON(Short)= Normal
Sheathed PVC cable
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