Lennox SLP98DFV Installation Instructions Manual page 48
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Also See for SLP98DFV:
- Installation instructions manual (67 pages) ,
- User's information manual (7 pages) ,
- Handbook (71 pages)
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OPERATING
SEQUENCE
System
Step
Condition
NO CALL FOR DEHUMIDIFICATION
Normal Operation
1
Y1
Normal Operation
2
Y2
ROOM THERMOSTAT CALLS FOR FIRST STAGE COOLING
BASIC MODE (only active on a Y1 thermostat demand)
Normal Operation
1
Dehumidification
2
call
PRECISION MODE (operates independent of a Y1 demand)
Normal Operation
1
Dehumidification
2
Call
Dehumidification
1
Call Only
ROOM THERMOSTAT CALLS FOR FIRST AND SECOND STAGE COOLING
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 two-stage outdoor unit:
Cut factory link from Y1 to Y2 or cut W915 (Y1 to Y2) on SureLight® integrated control.
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.
*ComfortSense® 7500 thermostat only
OPERATING SEQUENCE
SLP98DFV and Two-Speed Outdoor Unit
SYSTEM DEMAND
Thermostat Demand
2nd
1 s t
O
G
stage
stage
On
On
On
Acceptable
On
On
On
On
Acceptable
On
On
On
Acceptable
On
On
On
On
On
On
On
Acceptable
On
On
On
On
On
On
On
On
On
On
On
On
Acceptable
On
On
On
On
On
On
On
Acceptable
On
On
On
On
On
On
On
On
TABLE 24
SYSTEM RESPONSE
Relative Humidity
Compressor
Status
D*
24
Low
VAC
24
High
VAC
24
Low
VAC
0
Demand
High
VAC
24
Low
VAC
0
Demand
High
VAC
0
Demand
High
VAC
24
High
VAC
0
Demand
High
VAC
24
Low
VAC
0
Demand
High
VAC
0
Demand
High
VAC
Page 48
Blower
CFM
Comments
(cool)
70%
Compressor and indoor blower
follow thermostat demand
100%
70%
Thermostat energizes 2nd stage
and de-energizes D on a call for
dehumidification
70%
70%
Dehumidification mode begins
when humidity is greater than
set point
70%
Thermostat will keep outdoor
unit energized after cooling
70%
temperature setpoint has been
reached in order to maintain
room humidity setpoint.*
100%
Thermostat energizes 2nd stage
and de-energizes D on a call for
dehumidification
70%
70%
Dehumidification mode begins
when humidity is greater than
set point
70%
70%
Thermostat will keep outdoor
unit energized after cooling
temperature set-point has been
reached in order to maintain
room humidity set-point.
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