Operating Sequence - Lennox G71MPP-36B-070 Installation Instructions Manual

G71mpp series units
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TABLE
19
OPERATING
SEQUENCE
G71MPP,
ComfortSense"
7000 Thermostat
and Single-Stage
Outdoor
Unit
OPERATING
T
s¥s
EM DEMAND
SEQUENCE
.
System
Thermostat
Demand
Condition
Step
I°1
NO CALL FOR DEHUMIDIFICATION
Normal
Operation
1
On
On
On
Relative
Humidity
Blower
Compressor
CFM
Status
I
D
(COOL)
I
24
Acceptable
VAC
High
100%
Comments
Compressor
and indoor
blower follow thermostat
demand
BASIC MODE (only active on a Y1 thermostat demand)
Normal Operation
1
On
On
On
Dehumidification
Call
2
On
On
On
24
Acceptable
VAC
High
0
Demand
VAC
High
1oo%
7o%
ComfortSense T`'7000
thermostat energizes Y1
and de-energizes D on a
call for de-humidification
PRECISION MODE (operates ind_ oendent of a Y1 thermostat demand)
Normal Operation
1
On
On
On
Dehumidification
2
On
On
On
call
Dehumidification
1
On
On
On
Demand
call ONLY
24
Acceptable
VAC
High
0
Demand
VAC
High
0
VAC
High
100%
70%
70%
On-board links at indoor unit with a single-stage outdoor unit:
With Condensing unit - Cut W914 (R to DS) on SureLight ® integrated control;
With Heat Pump - Cut W914 (R to DS) & W951 (R to O) on SureLight ® integrated
control,
Dehumidification
mode
begins when humidity is
greater than set point
ComfortSense T`'7000
thermostat will keep out-
door unit energized after
cooling temperature set-
point has been reached in
order to maintain room
humidity setpoint.
Page 38

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