Typical System Components - Lennox MPA012S4S-1P Installation Instructions Manual

Typical System Components

Indoor Unit
Decorative panel
Suppl y Air
Filter
I
MPORTANT - Condensate drain line must always
be located at the bottom of the
bundle.)
Indoor unit wiring connections
(under access plate)
Suppl y Air
Return Air
Wireless Remote
Liquid and vapor shut off valves
Figure 1. Typical System Shown
Wiring
Utility
Bundle
Control
Outdoor Unit
009-036 shown
Access cover
for valves
5
Line set
(wrapped in foam insulation)
Communication cable
036 and 048 only
Tape
Condensate drain line
(wrapped in foam insulation)
Refrigerant Line Set, Condensate Line
And Indoor / Outdoor Cable
(field-provided)
UV-rated tape (field-provided)
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.
208/230V Outdoor Unit
Terminal Block
1 2 3
Access cover for power
and control wiring
connections
To Indoor
Unit
Condensate drain line
(field-provided)
Communication Cable
036 and 048 only
XT2
S1
TO INDOOR COMM. BUS
NOTE Use 2-conductor
shielded wire
L1 L2
To Power
Suppl y
S2