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Daikin FXVQ400MY1 [9/12] 4 precautions when laying power wiring
![Daikin FXVQ125MY1 [9/12] 4 precautions when laying power wiring](/views2/1705355/page9/bg9.png)
8English
Ex3. For group control
Prohibited
Indoor unit A
Final indoor unit
Indoor unit B
The wiring between indoor unit and outdoor unit
The wiring between indoor unit and indoor unit
Control box
OUT-OUTIN-OUT
Outdoor unit
Earth
Earth
Earth
Control panel
Power
supply
Branch switch
Overcurrent
circuit breaker
Never to connect
high-voltage electricity
such as power supply cables.
F1 F2 F1 F2
L2 L3 NL1 L2 L3 NL1 L2 L3 NL1
P1
or
P
P2
or
N
F
1
F
2
T
1
T
2
P1
or
P
P2
or
N
F
1
F
2
T
1
T
2
P1
or
P
P2
or
N
F
1
F
2
T
1
T
2
Note
1. It is not necessary to set the indoor unit address for group
control.
(The setting is made automatically when the power supply
is turned on.)
2. Make sure to disconnect the control panel wiring of the
units over the second one.
3. In this case, all indoor units within the group are controlled
by the control panel for the group control.
Ex4. When including BS unit
Prohibited
Prohibited
The wiring between
outdoor unit and BS unit
The wiring between
indoor unit and BS unit
Earth
Power
supply
Control box
OUT-OUTIN-OUT
Outdoor unit
F1 F2 F1 F2
Branch switch
Overcurrent
circuit breaker
*Control panel
Indoor unit A
L2 L3 NL1
P1
or
P
P2
or
N
F
1
F
2
T
1
T
2
Control box
IndoorOutdoor
BS unit
F1 F2 F1 F2
Never to
connect
high-voltage
electricity
such as power
supply cables.
Never to connect
high-voltage electricity
such as power supply cables.
8-4 PRECAUTIONS WHEN LAYING POWER
WIRING
CAUTION FOR WIRING
• For connection to the terminal block, use ring type crimp
style terminals with insulation sleeve or insulate the wirings
properly.
Insulation sleeve
Ring type crimp
style terminal
Wiring
Fig. 1
• Connect the terminal as shown in Fig. 2.
• Do not carry out soldering nish when stranded wires are
used. (Otherwise, the loosening of wires may result in
abnormal heat radiation.)
Fig. 2
Use wires the same in size
(if the air conditioner is in
simultaneous multi operation)
(Abnormal heating may occur if the wirings are not
tightened securely.)
• Use the required wirings, connect them securely and x
these wirings securely so that external force may not apply
to the terminals.
• Use a proper screw driver for tightening the terminal screws.
If an improper screw driver is used, it may damage the
screw head and a proper tightening cannot be carried out.
• If a terminal is over tightened, it may be damaged.
Refer to the table shown below for tightening torque of
terminals.
Table 1
Tightening torque (N·m)
Terminal block for remote controller
and transmission wirings
0.88 ± 0.08
Terminal for power supply 1.47 ± 0.14
Earth terminal 3.55 ± 0.53
• Do not carry out soldering nish when stranded wirings are
used.
WARNING
• When wiring, form the wirings orderly so that the control
box lid can be securely fastened. If the control box lid is
not in place, the wirings may come out or be sandwiched
by the box and the lid and cause electric shocks or a re.
8-5 DETAILS OF STANDARD DEVICES
• Refer to the installation manual attached to the outdoor
unit for the details of the wire gauge of the power supply
to the outdoor unit, the earth leakage breaker, the circuit
breaker capacity and wiring.
• Use only the wiring devices specied in the following table
for the wiring between indoor unit and outdoor unit.
• Branch off the exclusive lines for power supply to the
indoor unit according to the following specication.
1. Electrical characteristics
Indoor units Power supply Fan motor
Model Hz Volts
Voltage
range
MCA
TOCA
MFA kW FLA
FXVQ125MY1
50 Hz
380-
415V
Max. 456V
Min. 342V
2.4 2.0 16 0.75 1.9
FXVQ200MY1 4.5 3.6 16 1.5 3.6
FXVQ250MY1 4.5 3.6 16 1.5 3.6
FXVQ400MY1 9.5 8.0 25 3.7 7. 6
FXVQ500MY1 9.5 8.0 25 3.7 7. 6
FXVQ500MY16 14.5 12.0 40 5.5 11.6
MCA: Min. Circuit Amps (A) MFA: Max. Fuse Amps (A)
TOCA: Total Over Current Amp (A)
kW: Fan Motor Rated Output (kW) FLA: Full Load Amps (A)
01_EN_3P345056-4F.indd 8 9/3/2015 15:00:27
Содержание
- Installation manual 1
- System air conditioners 1
- Contents 2
- Safety precautions 2
- 1 precaution 3
- 2 accessories 3
- 3 carry out the work giving caution to the following items and after the work is completed check these again 3
- Be sure to instruct the customer how to properly operate the system particularly the cleaning of air filter operation method temperature adjusting method showing the attached operation manual to the person do not install the unit where the atmosphere is salty such as near the seaside where the voltage frequently fluctuates or in a vehicle or a boat 3
- Before installation 3
- Check if the following accessories are included in the indoor unit 3
- English 3
- Install the air conditioner power supply wiring remote controller wiring and transmission wiring at least 1 meter away from televisions or radios to prevent image interference or noise depending on the radio waves a distance of 1 meter may not be sufficient to eliminate the noise do not install the air conditioner in places such as the following 1 where there is mist of oil oil spray or vapour for example a kitchen resin parts may deteriorate and cause them to fall out or water to leak 2 where corrosive gas such as sulfurous acid gas is produced corrosion of copper pipings or brazed parts may cause the refrigerant to leak 3 where there is machinery which emits electromagnetic waves electromagnetic waves may disturb the control system and cause malfunction of the equipment 4 where flammable gases may leak where carbon fibre or ignitable dust is suspended in the air or where volatile flammables such as thinner or gasoline are handled if the gas should leak and remained around the air con 3
- Items to be checked after the installation work is completed 3
- Make sure to recheck the items of safety precautions 3
- Make sure to use the r410a refrigerant before the installation work otherwise the unit can not operate normally for installation of outdoor unit refer to the installation manual attached to the outdoor unit do not throw away the accessories required for installation until the installation is finished 3
- 1 example of required space 4
- Carry in method 4
- Installation site 4
- 1 how to replace pulley 5
- 1 material of piping 5
- 1 remove the suction grille 2 remove the protection net then remove the cushioning material on the protection net 3 remove the front panel upper 4 remove the front panel lower 5 put the iron plate which must be wider than the fan motor under the fan motor and on the heat exchanger for protection for its fin iron plate must be supplied in the field 6 remove the terminal for the fan motor lead wire from the magnet switch 7 pull out the fan motor lead wire to the fan housing parts and let it out of the unit from the opening part on the front plate upper 8 remove the nuts of the motor base 9 remove the belt hold the fan motor base firmly when working so that it may not move suddenly 10 slide the fan housing assembly on the iron plate on which the fan motor is put the above procedure 5 frontward slowly work must be conducted by more than 3 persons one of them must hold the motor base and two or more of them must hold the fan housing 11 move the fan housing assembly to the location where can 5
- 2 parallelism of pulley 5
- 3 tension of v belt 5
- Adjust the parallelism of the pulley between the fan and the motor so as to meet the standard as below 5
- Caution 5
- Caution at installation 5
- English 5
- Follow the above procedure 1 4 6 7 10 11 12 in the order 5
- For the refrigerant piping of the outdoor unit refer to the installation manual attached to the outdoor unit make sure to use r410a as refrigerant before the installation work otherwise the unit can not operate normally make sure to insulate the piping on both the liquid side and the gas side otherwise water leakage may be caused use a heat insulating material sufficiently resistant to 120 c reinforce the refrigerant piping according to the installation environment otherwise condensation may form on the surface of the insulation 5
- Note it is recommended to check the tension as above after 24 28 hours of the operation when the new belts are used it is preferable to adjust to about 1 times the maximum value of deflection load w 5
- Refrigerant piping 5
- Tension of a v belt must meet the deflection load w as shown calculate the required deflection length l by the equation 1 its tolerance must be within the range as below 5
- This unit is for using r410a only make sure to follow the items as shown in below when working use the pipe cutter and the flaring tool that are exclusively used for r410a at flare connection apply ether oil or ester oil to the flare section protect the piping by a pinch or taping to prevent invasion of contamination moisture and dusts into the piping 5
- Use the copper tube according to the following table 5
- 1 install drain piping 7
- Drain piping 7
- Electric wiring 7
- 1 remove the front panel lower 8
- 1 remove the front panel lower 2 fix the each wire on the control box with the attached clamp 3 for wiring specifications refer to the details of standard devices 8
- 2 external wiring method 8
- 3 example of wiring 8
- Apply putty or insulation material field supply without any clearance on the wiring intake section to prevent small animals from entering the unit if small animals such as insects enter the inside of the unit it may cause short circuit in the control box connect the wire securely using designated wire and fix it with attached clamp without applying external pressure on the terminal parts make sure the wiring and the control box lid do not stick up above the structure and close the control box lid firmly 8
- Caution 8
- Do not have low voltage wires wiring between units and other high voltage run through the same locations and there must be min 50 mm distance between wires outside of the unit or it may cause a malfunction or a breakdown of the unit by receiving electrical noise external noise 8
- Downloaded from www manualslib com manuals search engine 8
- English 8
- Ex2 for multiple indoor units 8
- F1f2 t1t2 8
- Prohibited 8
- The control panel is the standard built in ex1 when using in pairs 8
- When removing the front panel lower there is the control box 8
- Wiring from left side 8
- Wiring from right side 8
- 4 precautions when laying power wiring 9
- 5 details of standard devices 9
- Abnormal heating may occur if the wirings are not tightened securely 9
- Caution for wiring 9
- Connect the terminal as shown in fig 2 do not carry out soldering finish when stranded wires are used otherwise the loosening of wires may result in abnormal heat radiation 9
- Do not carry out soldering finish when stranded wirings are used 9
- Electrical characteristics 9
- English 9
- Ex3 for group control 9
- Ex4 when including bs unit 9
- For connection to the terminal block use ring type crimp style terminals with insulation sleeve or insulate the wirings properly 9
- If an improper screw driver is used it may damage the screw head and a proper tightening cannot be carried out if a terminal is over tightened it may be damaged refer to the table shown below for tightening torque of terminals 9
- Note 1 it is not necessary to set the indoor unit address for group control the setting is made automatically when the power supply is turned on 2 make sure to disconnect the control panel wiring of the units over the second one 3 in this case all indoor units within the group are controlled by the control panel for the group control 9
- Refer to the installation manual attached to the outdoor unit for the details of the wire gauge of the power supply to the outdoor unit the earth leakage breaker the circuit breaker capacity and wiring use only the wiring devices specified in the following table for the wiring between indoor unit and outdoor unit branch off the exclusive lines for power supply to the indoor unit according to the following specification 9
- Table 1 9
- Use a proper screw driver for tightening the terminal screws 9
- Use the required wirings connect them securely and fix these wirings securely so that external force may not apply to the terminals 9
- Warning 9
- When wiring form the wirings orderly so that the control box lid can be securely fastened if the control box lid is not in place the wirings may come out or be sandwiched by the box and the lid and cause electric shocks or a fire 9
- 1 field setting 10
- Field setting and control wiring 10
- 2 remote controller and centralized control 11
- Trial operation 11
- P345056 4f em13a004b 12
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