Appendix; Standard Tightening Torques For Bolts; Standard Tightening Torque For Flare Nut; Resistance Of Motor Coil And Solenoid Valve Coil - Daikin LXE10E-A Service Manual

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7. APPENDIX

7.1 Standard tightening torques for bolts

Bolt size
M4 Small parts
M5 Solenoid valve
M6 Access panel
Evaporator fan motor
M8 Condenser fan motor
Control box
Service door
Evaporator fan motor mounting base
M10 Compressor suction flange
Compressor discharge flange
M12 Compressor
Note: Tolerance of tightening torque is within ±10%.

7.2 Standard tightening torque for flare nut

Pipe size
mm in.
φ 6.4
2/8
φ 9.5
3/8
φ 12.7
4/8
Note: Tolerance of tightening torque is within ± 10%.

7.3 Resistance of motor coil and solenoid valve coil

Symbol
CM Compressor motor coil
CFM Condenser fan motor coil
EFM Evaporator fan motor coil
LSV Liquid solenoid valve coil
HSV Hot gas solenoid valve coil
DSV Defrosting solenoid valve coil
ISV Injection solenoid valve coil
ESV Economizer solenoid valve coil
BSV Hot gas by-pass solenoid valve coil
RSV Reheater solenoid valve
Electronic expansion valve coil
EV
Suction modulation valve coil
SMV
※The values of resistance are at room temperature excluding those of compressor.

7.4 Standard tightening torque for electronic expansion valve coil(EV)

N · m
7.0 to 15.0
Main part
Main part
Compressor pressure port
–
Dryer
Parts name
kgf · cm
73 to 156
7-1
N m
1.6
1.2
5.2
12.3
25.2
42.7
N m
15.7
36.3
54.9
Value of resistance Ω
1.780Ω(@75˚C)
57.2Ω
19.4Ω
15.2±1.1Ω (common)
White - Red : 150Ω
Orange - Red : 150Ω
Yellow - Brown : 150Ω
Blue - Brown : 150Ω
Blue - Yellow : 113Ω
Black - White : 113Ω
Tightening torque
kgf cm lbf ft
16 1.2
12.2 0.9
53 3.8
125 9.1
257 18.6
435 31.5
Tighten torque
kgf cm Ibf ft
160 11.3
370 26.8
500 40.5
Remarks
White
Red
(COM)
Orange
Yellow Brown Blue
(COM)
Blue
Yellow
Black White
Ibf · ft
5.1 to 11.0