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Table 14. CBX32MV with ComfortSenset 7000 Thermostat and Two-Stage Outdoor Unit Operating Sequence
Operating Sequence
System
Condition
Step
Normal Operation
1
− Y1
Normal Operation
2
− Y2
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
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
System Demand
Thermostat Demand
Y1
Y2
O
G
W1
W2
No Call for Dehumidification
On
On
On
On
On
On
On
Room Thermostat Calls for First−Stage Cooling
On
On
On
On
On
On
On
On
On
On
On
On
On
On
On
On
On
On
Room Thermostat Calls for First− and Second−Stage Cooling
On
On
On
On
On
On
On
On
On
On
On
On
On
On
On
On
On
On
On
On
System Response
Relative Humidity
Compre
Status
D
ssor
Acceptable
24 VAC
Acceptable
24 VAC
High
Acceptable
24 VAC
Demand
0 VAC
High
Acceptable
24 VAC
Demand
0 VAC
High
Demand
0 VAC
High
Acceptable
24 VAC
High
Demand
0 VAC
High
Acceptable
24 VAC
High
Demand
0 VAC
High
Demand
0 VAC
High
Page 27
Air
Handler
CFM
(COOL)
Comments
Low
70%
Compressor and indoor air
handler follow thermostat
demand
100%
ComfortSenset 7000 ther-
Low
70%
mostat energizes Y2 and de−
energizes D on a call for
dehumidification
70%
NOTE − No over cooling.
Low
70%
Dehumidification mode begins
when humidity is greater than
70%
set point
ComfortSenset 7000
thermostat will keep outdoor
unit energized after cooling
temperature setpoint has
been reached in order to
70%
maintain room humidity
setpoint.
NOTE
0
2
F from cooling set point.
ComfortSenset 7000 ther-
100%
mostat energizes Y2 and de−
energizes D on a call for
dehumidification
70%
NOTE
100%
Dehumidification mode begins
when humidity is greater than
70%
set point
ComfortSenset 7000
thermostat will keep outdoor
70%
unit energized after cooling
temperature setpoint has
been reached in order to
maintain room humidity
setpoint.
NOTE
0
2
F from cooling set point.
Allow to over cool
No over cooling.
Allow to over cool
CBX32MV SERIES
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