TABLE 29
OPERATING SEQUENCE
G61MPV, SignatureStat '" Thermostat and Two-Stage Outdoor Unit
OPERATING T
• sYs EM DEMAND
SEQUENCE -
Thermostat Demand Relative Humidity
s s,emS e0 1111
Condition Y1 O G W W
1 2 Status D
NO CALL FOR DEHUMIDIFICATION
Compressor
Blower
CFM
(COOL)
Comments
Normal Operation - 24
Y1 1 On On On Acceptable VAC
Normal Operation - 24
Y2 2 On On On On Acceptable VAC
Low
High
70%
100%
Compressor and indoor
blower follow thermostat
demand
ROOM THERMOSTAT CALLS FOR FIRST STAGE COOLING
BASIC MODE (only active on a Y1 thermostat demand)
Normal Operation 1 On On On
Dehumidification
Call 2 On On On On
24
Acceptable VAC
0
Demand VAC
Low
High
7O%
7O%
SignatureStat T' thermostat
energizes Y2 and de-ener-
gizes D on a call for de-hu-
midification
PRECISION MODE (operates ind_ oendent of a Y1 thermostat demand)
24
Normal Operation 1 On On On Acceptable VAC
Dehumidification 0
2 On On On On Demand
call VAC
Dehumidification 0
call ONLY 1 On On On On Demand VAC
ROOM THERMOSTAT CALLS FOR FIRST AND SECOND STAGE COOLING
BASIC MODE (only active on a Y1 thermostat demand)
Normal Operation 1 On On On On Acceptable
Dehumidification
2 On On On On Demand
Call
Low
High
High
24
VAC High
0
VAC High
70%
70%
70%
lOO%
7o%
Dehumidification mode be-
gins when humidity is
greater than set point
SignatureStat T' thermostat
will keep outdoor unit en-
ergized after cooling tem-
perature setpoint has been
reached in order to main-
tain room humidity set-
point.*
SignatureStat T' thermostat
energizes Y2 and de-ener-
gizes D on a call for de-hu-
midification
PRECISION MODE (operates ind_ oendent of a Y1 thermostat demand)
Normal Operation 1 On On On
Dehumidification
2 On On On On Demand
call
Dehumidification
call ONLY 1 On On On On
24
Acceptable VAC Low
0
VAC High
0
Demand VAC High
Jumpers at indoor unit with a two stage outdoor unit
Cut factory jumper from Y1 to Y2 or cut W915 (Y1 to Y2) on SureLight ¢ board
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
70%
70%
70%
Dehumidification mode be-
gins when humidity is
greater than set point
SignatureStat T' thermostat
will keep outdoor unit en-
ergized after cooling tem-
perature setpoint has been
reached in order to main-
tain room humidity set-
point.*
*In Precision mode, SignatureStat "' thermostat will allow room temperature up to 2 °F (1.2°C) cooler than room setting.
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