Lennox LGT150H Installation Instructions

Page 30
FIGURE 28
COOLING MODE REFRIGERANT ROUTING
Default Reheat Operation
TABLE 8
Reheat Operation - Two Cooling Stages - Default
T'stat & Humidity
Demands
Operation
Reheat Only
Compressor 1 Full Load,
Reheat ON,
Blower Low
Reheat & Y1
Compressor 1 & 2 Full Load,
Reheat ON,
Blower High
Reheat & Y1 & Y2
Compressor 1 & 2 Full Load,
Reheat OFF,
Blower High
*If there is no reheat demand and outdoor air is
suitable, free cooling will operate.
**If there is no reheat demand and outdoor air is suitable,
free cooling and compressor 1 will operate.
TABLE 9
Reheat Operation - Three Cooling Stages - Default
T'stat & Humidity De
mands
Operation
Reheat Only
Compressor 1 Full Load,
Reheat ON,
Blower Low
Reheat & Y1
Compressor 1 & 2 Full Load,
Reheat ON,
Blower Medium
Reheat & Y1, Y2
Compressor 1 & 2 Full Load,
Reheat ON,
Blower High
Reheat & Y1, Y2, Y3
Compressor 1 & 2 Full Load,
No Reheat OFF,
Blower High
*If there is no reheat demand and outdoor air is
suitable, free cooling will operate.
**If there is no reheat demand and outdoor air is suitable,
free cooling and compressor 1 will operate.

Lennox LGT150H Specifications

General

Brand	Lennox
Model	LGT150H
Category	Air Handlers
Language	English