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