Unit Description
32
Electric Operation
Single Compartment (with Door Sentry II)
(One Large Compartment Using Both Evaporators)*
Thermostat Relays Ind F Door R Door F
Fans
R
Fans
Elec.
Motor
Solenoids
Zone 1 Zone 2
1K
2K
DR
R1K
R2K
RDR
LLS
HGS
SLS
RLLS
RHGS
RSLS
CIS
D E D D E D F-COOL CLOSED CLOSED ON ON ON E D D E D D D
COOL COOL R-COOL
D D D D D D F-COOL CLOSED CLOSED ON ON ON* E D D E D D D
COOL COOL R-COOL
E D D E D D F-HEAT CLOSED CLOSED OFF OFF OFF E E D D D D E
NULL NULL R-HEAT
E E D E E D F-HEAT CLOSED CLOSED ON ON ON E E D E E D E
HEAT HEAT R-HEAT
E D D E D D F-HEAT OPEN CLOSED OFF OFF OFF D D D E E D E
NULL NULL R-HEAT
E D D E D D F-HEAT CLOSED OPEN OFF OFF OFF E E D D D D E
NULL NULL R-HEAT
E D D E D D F-HEAT OPEN OPEN OFF OFF OFF E E D D D D E
NULL NULL R-HEAT
E E D D E D F-HEAT OPEN CLOSED OFF ON ON D D E E D D D
HEAT COOL R-COOL
D D D E D D F-COOL OPEN CLOSED OFF OFF OFF D D D E E D E
COOL NULL R-HEAT
D D D D E E F-COOL CLOSED OPEN ON OFF ON* E D D D D D D
COOL DEF R-DEF
D D D D E E F-COOL OPEN CLOSED OFF OFF ON D D D E E D E
COOL DEF R-DEF
D E E D D D F-DEF OPEN CLOSED OFF ON ON* D E D E D D E
DEF COOL R-COOL
D E D D D D F-COOL CLOSED OPEN ON OFF ON E D D D D D D
COOL COOL R-COOL
D E E E E D F-DEF CLOSED OPEN OFF OFF ON E E D D D D E
DEF COOL R-COOL
* The electric motor will continue to run if it is running when these combinations of thermostat demands occur. The electric
motor will not start to run if these combinations of thermostat demands occur while the electric motor is off and the
condensing unit is in null.
* After the condensing unit has shifted to null and the electric motor has shut off, one of the speed relays (2K or R2K) must
energize to start the electric motor.
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