Multi F Engineering Manual

• Secure the separate wires in the control box panel using zip ties.
• Secure wiring with accessory clamps so that it does not touch piping.
• Use a conduit for the cable.
• 2XWVLGHWKHXQLWPDNHVXUHWKHFRPPXQLFDWLRQVFDEOHSRZHUZLULQJDUHVHSDUDWHO\VKLHOGHGRWKHUZLVHWKHRXWGRRUXQLWRSHUDWLRQZLOOEH
affected by electrical noise and will malfunction or fail.
• )RUGHWDLOVRQWKH0XOWL)ZLWK/*5('DQG0XOWL)0$;ZLWK/*5('XQLWVUHIHUWRWKHHQJLQHHULQJPDQXDOVRQZZZOJKYDFFRP
General Information
ELECTRICAL CONNECTIONS
)LJXUHTypical Multi F System General Power / Communications
6\VWHP6FKHPDWLF:KHQ:LULQJLV/HVV7KDQ)HHW
)LJXUHTypical Multi F MAX System General Power / Communica-
WLRQV6\VWHP6FKHPDWLF:KHQ:LULQJLV/HVV7KDQ)HHW
Power Supply
Circuit Breaker
Indoor Unit
Branch Distribution Unit
Ground Wiring
Outdoor Unit
Branch Distribution Unit
Indoor Units
Power Supply
Circuit Breaker
Ground Wiring
Outdoor Unit
)LJXUH6FKHPDWLFRID0XOWL)6\VWHP:KHQWKH:LULQJLV*5($7(57+$1)HHW
)LJXUH6FKHPDWLFRID0XOWL)0$;ZLWK/*5('6\VWHP:KHQWKH:LULQJLV*5($7(57+$1)HHW
Power
Supply
1(L1) (Power, L)
2(L2) (Neutral, N)
G (Ground)
Power Flow: L ĺ N
Diagram is an example of communication and power
cables when the wiring is GREATER THAN 130 feet.
Terminals may be labeled differently depending on the model.
Outdoor and Indoor Unit appearances may vary depending on the model.
Communication Flow: Comm ĺ N
3 (Communications)
GREATER THAN 130 feet: Must Separate Communications and Ground (G) Cable from the Power
(1[L1]) and Neutral (2[L2]) Cable at Least Two (2) Inches for Each Indoor Unit
At Least Two (2) Inches
3 (Communications)
At Least Two (2) Inches
Power
Supply
1(L1) (Power, L)
2(L2) (Neutral, N)
G (Ground)
Power Flow: L ĺ N
Diagram is an example of communication and
power cables when the wiring is GREATER THAN
130 feet. Terminals may be labeled differently depending on the model.
Outdoor and Indoor Unit appearances may vary depending on the model.
Communication Flow: Comm ĺ N
3 (Communications)
GREATER THAN 130 feet: Must Separate Communications and Ground (G) Cable
from the Power (1[L1]) and Neutral (2[L2]) Cable at Least Two (2) Inches for Each
Indoor Unit.
At Least Two (2) Inches
3 (Communications)
At Least Two (2) Inches
'XHWRRXUSROLF\RIFRQWLQXRXVSURGXFWLQQRYDWLRQVRPHVSHFL¿FDWLRQVPD\FKDQJHZLWKRXWQRWL¿FDWLRQ
©/*(OHFWURQLFV86$,QF(QJOHZRRG&OLIIV1-$OOULJKWVUHVHUYHG³/*´LVDUHJLVWHUHGWUDGHPDUNRI/*&RUS
208 | WIRING CONNECTIONS
Multi F and Multi F MAX Indoor Unit Engineering Manual
MULTI
F
MAX
MULTI
F