Multi F Engineering Manual
Power Wiring (208-230V) and Communications Cable Details
1(L1) 2(L2)
1(L1) 2(L2) 1(L1) 2(L2) 1(L1) 2(L2) 1(L1) 2(L2)
1(L1) 2(L2)
S
S S S S
1(L1) 2(L2) 1(L1) 2(L2) 1(L1) 2(L2) 1(L1) 2(L2)
Indoor Unit Terminal Block
3 3
Outdoor Unit Terminal Block
L
L
N
N
G
Power Supply
Outdoor unit
Main Switch
Circuit Breaker
Three-wire Power Wiring
(Including Ground)
Fuse
* Same Wiring as Branch Distribution Unit (A)
S
Branch Distribution Unit (B)
3 3
COMMUNICATIONS CABLE
POWER WIRING
L1 L2
1(
L1
)2(
L2
)3(A)1(
L1
)2(
L2
) 3 (B)
Branch Distribution Unit (A)
Indoor Unit Terminal Block Indoor Unit Terminal Block Indoor Unit Terminal Block
)LJXUH0XOWL)0$;/08+9DQG/08+96\VWHP3RZHU:LULQJDQG&RPPXQLFDWLRQV&DEOH
ELECTRICAL CONNECTIONS
• $OO¿HOGVXSSOLHGZLULQJFRPSRQHQWVDQGPDWHULDOVPXVWIROORZQDWLRQDOVWDWHDQGORFDOFRGHVDQGUHTXLUHPHQWV(OHFWULFVKRFNFDQFDXVHSK\VLFDO
injury or death.
• Use only stranded, shielded or unshielded copper communications / power wiring from the outdoor unit to the indoor units. If shielded, wiring must be
JURXQGHGWRWKHFKDVVLVDWWKHRXWGRRUXQLWRQO\,PSURSHUZLULQJZLOOUHVXOWLQ¿UHHOHFWULFVKRFNSK\VLFDOLQMXU\RUGHDWK
• *URXQGZLULQJLVUHTXLUHGWRSUHYHQWDFFLGHQWDOHOHFWULFDOVKRFNGXULQJFXUUHQWOHDNDJHFRPPXQLFDWLRQSUREOHPVIURPHOHFWULFDOQRLVHDQGPRWRUFXU
UHQWOHDNDJH
'RQRWFRQQHFWWKHJURXQGOLQHWRWKHSLSHV,PSURSHUZLULQJZLOOUHVXOWLQ¿UHHOHFWULFVKRFNSK\VLFDOLQMXU\RUGHDWK
• ,QVWDOODPDLQVKXWRIIVZLWFKRUFLUFXLWEUHDNHUWKDWLQWHUUXSWVDOOSRZHUVRXUFHVVLPXOWDQHRXVO\(OHFWULFVKRFNFDQFDXVHSK\VLFDOLQMXU\RUGHDWK
• :LULQJFDEOHVL]HPXVWFRPSO\ZLWKDSSOLFDEOHQDWLRQDOVWDWHDQGORFDOFRGHV,PSURSHUZLULQJZLOOUHVXOWLQ¿UHHOHFWULFVKRFNSK\VLFDOLQMXU\RUGHDWK
• )RU0XOWL)0$;ZLWK/*5('UHIHUWR0XOWL)0XOWL)0$;ZLWK/*5('2'8HQJLQHHULQJPDQXDO
• *URXQGZLULQJLVUHTXLUHGWRSUHYHQWFRPPXQLFDWLRQSUREOHPVIURPHOHFWULFDOQRLVHDQGPRWRUFXUUHQWOHDNDJH)DLOXUHWRSURYLGHSURSHUJURXQGZLULQJ
can result in property damage and equipment malfunction.
• $OO¿HOGVXSSOLHGZLULQJFRPSRQHQWVDQGPDWHULDOVPXVWIROORZQDWLRQDOVWDWHDQGORFDOFRGHVDQGUHTXLUHPHQWV)DLOXUHWRLQVWDOOSURSHUHOHFWULFDO
components can result in property damage and equipment malfunction.
• Use only stranded, shielded or unshielded copper communications / power wiring from the outdoor unit to the indoor units. If shielded, wiring must be
JURXQGHGWRWKHFKDVVLVDWWKHRXWGRRUXQLWRQO\)DLOXUHWRLQVWDOOSURSHUZLULQJFDQUHVXOWLQSURSHUW\GDPDJHDQGHTXLSPHQWPDOIXQFWLRQ
• ,QVWDOODPDLQVKXWRIIVZLWFKRUFLUFXLWEUHDNHUWKDWLQWHUUXSWVDOOSRZHUVRXUFHVVLPXOWDQHRXVO\)DLOXUHWRLQVWDOOSURSHUHOHFWULFFRPSRQHQWVFDQUHVXOWLQ
property damage and equipment malfunction.
• Wiring cable size must comply with applicable national, state, and local codes. Improper wiring can result in property damage and equipment malfunction.
'XHWRRXUSROLF\RIFRQWLQXRXVSURGXFWLQQRYDWLRQVRPHVSHFL¿FDWLRQVPD\FKDQJHZLWKRXWQRWL¿FDWLRQ
©/*(OHFWURQLFV86$,QF(QJOHZRRG&OLIIV1-$OOULJKWVUHVHUYHG³/*´LVDUHJLVWHUHGWUDGHPDUNRI/*&RUS
212 | WIRING CONNECTIONS
Multi F and Multi F MAX Indoor Unit Engineering Manual
MULTI
F
MAX
MULTI
F