Johnson Controls R SERIES Installation And Maintenance Manual page 43

clamp (Figure 3-4-3).
. Before starting work, check that power is not being supplied to the indoor unit and outdoor unit.
. Match the terminal block numbers and connection cord colors with those of the indoor unit side. Erroneous wiring
may cause burning of the electric parts.
. Erroneous wiring may cause burning of the electric parts.
. Connect the connection cords firmly to the terminal block. Imperfect installation may cause a fire.
. Always fasten the outside covering of the connection cord with cord clamps. (If the insulator is not clamped, electric
leakage may occur.)
. Always connect the ground wire.
(4) Electric wiring between the indoor and outdoor units
Duct Type Unit:
Single-phase units (18k~30k)
Single-phase units (36k~48k)
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