266
FDTN-H
Item
Model
FDC208H(C) type
FDC258H(C) type
FDC258CEP3
FDC308HEN3
FDC308HES3
FDC408H type
FDC508H type
Phase
1
3
Circuit breaker
Switch breaker
(A)
Over-current protector
rated capacity (A)
30
20
30
15
20
Power source
wires
(minimum)
Interconnecting
and grounding
wires (minimum)
ø 2.0 mm
5.5mm
2
ø 2.0 mm
5.5mm
2
ø 1.6
(6)
Test run
Power source and ground terminal block
Wiring clamp
™
Secure the wiring so that no external force
is applied to the connecting portion of
terminal.
Take out direction of wiring
™
Same as the refrigerant piping, 4
directions are allowed, which are right,
front, rear and down.
Wiring diagram
™
Wiring diagram is fixed at the backside
of service panel.
¡
Run the unit continuously for about 30 minutes, and check the following.
™
Suction pressure at check joint on the compressor suction pipe.
™
Discharge pressure at check joint on the compressor discharge pipe (for Heat pump model), or at check joint of service
valve for gas pipe (for cooling only model).
™
Temperature difference between return air and supply air for Indoor unit.
¡
Refer to “Check Indicator Table” on wiring diagram of Outdoor unit or “User’s manual” of Indoor unit for diagnosis of operation
failure.
Interconnecting
wires
Circuit breaker
Earth leakage
breaker
Outdoor
unit
Indoor
unit
HIGH VOLTAGE
(b)
Wiring connection.
1)
Connect the same terminal number between the Indoor unit and Outdoor unit as shown in the following diagram.
2)
Make wiring to supply to the Outdoor unit, so that the power for the Indoor unit is supplied by
1
and
2
terminals.
3)
Secure the wiring with wiring clamp so that no external force is transmitted to the connecting portion of terminal.
4)
There is a ground (Earth) terminal in the control box.
Interconnecting
wires
Circuit breaker
Earth leakage
breaker
Outdoor
unit
HIGH VOLTAGE
Indoor
unit
1
1 phase model
Note (1) The diagram below is for
models equipped with
heat pumps. Cooling
only units do not have
TB (4), (5).
O
IMPORTANT
●
Electric wiring work should be conducted only by authorized personnel.
●
Use copper conductor only.
●
Power source wires and Interconnecting wires shall not be lighter than polychloroprene
sheathed flexible cord (design HO5RN-F IEC 57).
●
Do not connect more than three wires to the terminal block.
●
Use round type crimped terminal lugs with insulated grip on the end of the wires.
2
3 phase model
Note (1) The diagram below is for
models equipped with
heat pumps. Cooling
only units do not have
TB (4), (5).
O
CAUTION
THIS UNIT WILL BE STARTED INSTANTLY WITHOUT "ON" OPERATION WHEN ELECTRIC
POWER IS SUPPLIED.
BE SURE TO EXECUTE "OFF" OPERATION BEFORE ELECTRIC POWER IS
DISCONNECTED FOR SERVICING.
●
This unit has a function of automatic restart system after recovering power stoppage.
DO NOT LEAVE OUTDOOR UNIT WITH THE SERVICE PANEL OPENED.
●
When the service panel is removed, high voltage portion and high temperature areas are
exposed.
O
IMPORTANT
●
Check that the service valves are fully opened without fail before operation.
●
Turn on the power for over 12 hours to energize the crankcase heater in advance of
operation.
●
Wait more than 3 minutes to restart the unit after stop.
(5)
Electrical wiring
™
This air conditioning system should be notificated to supply authority before connection to power supply system.
(a)
Selection of size of power supply and interconnecting wires.
¡
Select wire sizes and circuit protection from Table 2.
Table 2 ( This table shows 20m length wires with less than 2% voltage drop. )
Содержание FDT208HEN-S
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