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TABLE 29
OPERATING SEQUENCE
G61MPV, SignatureStattThermostat and Single−Stage Outdoor Unit
OPERATING
SEQUENCE
SYSTEM DEMAND SYSTEM RESPONSE
System
Condition
Step
Thermostat Demand Relative Humidity
Compressor
Blower
CFM
(COOL)
Comments
Y1 O G
W
1
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%
SignatureStatt thermo-
stat 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%
SignatureStatt thermo-
stat will keep outdoor unit
energized after cooling
temperature setpoint has
been reached in order to
maintain room humidity
setpoint.*
Jumpers at indoor unit with a single stage outdoor unit
With Condensing unit − Cut W914 (R to DS) on SureLight
®
board
With Heat Pump − Cut W914 (R to DS) & W951 (R to O) on SureLight
®
board
*In Precision mode, SignatureStatt thermostat will allow room temperatures up to 2 °F (1.2°C) cooler than room setting.
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