Multi F Outdoor Unit Engineering Manual

•Allfield-suppliedwiring,components,andmaterialsshouldfollownational,state,andlocalcodesandrequirements.
•Useonlystranded,shieldedcopperconductor.
•Ground wiring isrequiredtopreventaccidental electrical shock during current leakage,communicationproblemsfromelectrical
noise,andmotorcurrentleakage.Donotconnectthegroundlinetothepipes.
•Installamainshutoffswitchorcircuitbreakerthatinterruptsallpowersourcessimultaneously.
•Wiringcablesizemustcomplywithapplicablenational,state,andlocalcodes.
WIRING CONNECTIONS
Power Wiring (208-230V) and Communications Cable Details
Figure 100: Multi F LMU247HV System Power Wiring and Communications Cable.
Outdoor Unit
L1 L2 1(L1) 2(L2) 2(L2)3(A) 3(C)3(B) 1(L1)
Outdoor Unit Terminal Block
L1
L1
L2
L2
G
Power Supply
Main Switch
Circuit Breaker
Fuse
Three-wire Power Wiring
(Including Ground)
COMMUNICATIONS CABLE
POWER WIRING
1(L1) 2(L2)
Indoor Unit Terminal Block
Unit A Unit BUnit C
3
1(L1) 2(L2) 3 1(L1) 2(L2) 3
Indoor Unit Terminal Block Indoor Unit Terminal Block
Due to our policy of continuous product innovation, some specications may change without notication.
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WIRING CONNECTIONS | 225
Wiring Connections
MULTI
F
MAX
MULTI
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