Operating Sequence: Slp98Uhv And Single−Stage Outdoor Unit - Lennox SLP98UHV SERIES Unit Information

OPERATING
SEQUENCE
System
Step
Condition
NO CALL FOR DEHUMIDIFICATION
Normal Operation 1
BASIC MODE (only active on a Y1 thermostat demand)
Normal Operation 1
Dehumidification
2
Call
PRECISION MODE (operates independent of a Y1 thermostat demand)
Normal Operation 1
Dehumidification
2
call
Dehumidification
1
call ONLY
On−board links at indoor unit with a single−stage outdoor unit:
With Condensing unit − Cut W914 (R to DS) on SureLight
With Heat Pump − Cut W914 (R to DS) & W951(R to O) on SureLight
control.
*ComfortSense
OPERATING SEQUENCE
SLP98UHV and Single−Stage Outdoor Unit
SYSTEM DEMAND
Demand Relative Humidity
1st
O G Status
stage
On On On Acceptable
On On On Acceptable
On On On Demand
On On On Acceptable
On On On Demand
On On On Demand
®
7000 thermostat only
TABLE 15
Compressor
D*
24
High
VAC
24
High
VAC
0
High
VAC
24
High
VAC
0
High
VAC
0
High
VAC
®
control;
Page 27
SYSTEM RESPONSE
Blower
CFM Comments
(COOL)
Compressor and indoor
blower follow thermostat
100%
demand
100%
Thermostat energizes Y1
and de−energizes D on a
call for de−humidification
70%
100%
Dehumidification mode
begins when humidity is
greater than set point
70%
70%
Thermostat will keep out-
door unit energized after
cooling temperature set-
point has been reached in
® order to maintain room
humidity setpoint.