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Multi-Zone Outdoor Condenser Installation Manual

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13
33’ (10m)
Indoor unit
Indoor unit
Indoor unit
Outdoor unit
49’ (15m)
49’ (15m)
Max. Height difference
Pipe length and unit height difference maximums
When installing multiple indoor units with a single outdoor unit, ensure that the length of the
refrigerant pipe and the drop height between the outdoor and indoor units, and between indoor
units, meets the requirements below.
DRA2U18M1A DRA3U24M1A DRA4U36M1A DRA5U48M1A
Max. length for all rooms 131' (40m) 197' (60m) 262' (80m) 262' (80m)
Max. length for one indoor unit 82' (25m) 98' (30m) 115' (35m) 115' (35m)
Max. height difference between
outdoor and indoor unit
49' (15m) 49' (15m) 49' (15m) 49' (15m)
Max. height difference between
indoor units
33' (10m) 33' (10m) 33' (10m) 33' (10m)
STEP 4: CONNECT THE SIGNAL AND POWER CABLES
The outside unit’s terminal block is protected by an electrical wiring cover on the side of the unit. A
comprehensive wiring diagram is printed on the inside of the wiring cover.
WARNING
Before performing any electrical or wiring work, turn off the main power to the
system.
USE THE RIGHT CABLE
• Indoor Power Cable (if applicable): H05VV-F or H05V2V2-F
• Outdoor Power Cable: H07RN-F
• Signal Cable: H07RN-F