Typical Single-Zone System Components - Lennox MLA Series Installation & User's Instructions

Typical Single-Zone System Components

Air flow louver (at air outlet)
Air inlet (with air filter installed)
Air flow louver (at air outlet)
I
MPORTANT - Condensate drain line must always
be located at the bottom of the
bundle.)
Display panel
Refrigerant connecting
pipe and drain hose
Wireless Remote
Control
Liquid and vapor shut off valves
Figure 1. Typical System Shown
Wiring
Utility
Bundle
Outdoor Unit
012-036 shown
Access cover
for valves
4
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
Condensate drain To Indoor
Unit
from Indoor Unit
3 L1 L2
To Power
Suppl y