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MPA018S4M Shown
Outdoor Unit Appearance May Vary by Capacity
Utility Bundle
One per
indoor unit
Return Air
Supply Air
Indoor unit wiring connections
(under access plate)
IMPORTANT - The refrigerant
metering device for this system is
located in the outdoor unit. This
makes it necessary to insulate the
refrigerant lines individually to
prevent sweating.
UV-rated tape (field-provided)
Access cover for power
and control wiring
connections
Condensate drain line
(field-provided, one per
indoor unit)
Liquid line shut off valve
Gas line shut off valve
Port B
Liquid line shut off valve
Gas line shut off valve
Port A
Wiring
Condensate drain line
(wrapped in foam insulation)
Refrigerant Line Set, Condensate Line
And Indoor / Outdoor Cable
(field-provided)
TAPE
Line set
(wrapped in foam
insulation)
See Outdoor Unit wiring
diagram for individual system
wiring.
Access cover for
service valves
Liquid line shut off valve
Gas line shut off valve
Port C
Liquid line shut off valve
Gas line shut off valve
Port E
Liquid line shut off valve
Gas line shut off valve
Port D
Up to 5 ports depending on outdoor unit model
MWMA009 Shown
Up to 5 ports depending on outdoor unit model
Indoor unit type may vary
L2L1
208/230V Outdoor Unit
Terminal Block
MPA048S4M shown
Liquid and vapor line service
and shut off valves
I
MPORTANT - Condensate drain line must always
be located at the bottom of the
bundle.)
Figure 1. Typical System Shown
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