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Electrical work
COOLING MODEL
HEATING AND COOLING MODE
HEATING AND COOLING MODEL
1 2(N) 3 4
1 2(N) 3 4
or
Terminal block of indoor unit
Terminal block of indoor unit
Terminal block of indoor unit
or
"Connector A"
"Connector A" "Connector B"
To outdoor
unit
To outdoor
unit
To outdoor
unit
1 2 3 4
To Outdoor Unit
9000 and 12000 Btu's
9000 and 12000 Btu's
18000 Btu's
21