Unit Description
29
Mode of Operation Charts
Engine Operation*
Two Compartment (with Door Sentry II)
Thermostat Relays Ind F Door R Door F
Fans
R
Fans
Eng
Speed
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 HIGH E D D E D D D
HSC HSC R-COOL
D D D D D D F-COOL CLOSED CLOSED ON ON LOW E D D E D D D
LSC LSC R-COOL
E D D E D D F-HEAT CLOSED CLOSED ON OFF LOW E E D D D D E
LSH LSH R-HEAT
E E D E E D F-HEAT CLOSED CLOSED ON ON HIGH E E D E E D E
HSH HSH R-HEAT
E D D E D D F-HEAT OPEN CLOSED OFF ON LOW D D D E E D E
LSH LSH R-HEAT
E D D E D D F-HEAT CLOSED OPEN ON OFF LOW E E D D D D E
LSH LSH R-HEAT
E D D E D D F-HEAT OPEN OPEN ON OFF LOW E E D D D D E
LSH LSH R-HEAT
E E D D E D F-HEAT OPEN CLOSED OFF ON LOW D D E E D D D
HSH HSC R-COOL
D D D E D D F-COOL OPEN CLOSED OFF ON LOW D D D E E D E
LSC LSH R-HEAT
D D D D E E F-COOL CLOSED OPEN ON OFF HIGH E D D D D D D
LSC DEF R-DEF
D D D D E E F-COOL OPEN CLOSED OFF OFF LOW D D D E E D E
LSC DEF R-DEF
D E E D D D F-DEF OPEN CLOSED OFF ON LOW D E D E D D E
DEF LSC R-COOL
D E D D D D F-COOL CLOSED OPEN ON OFF HIGH E D D D D D D
HSC LSC R-COOL
D E E E E D F-DEF CLOSED OPEN OFF OFF HIGH E E D D D D E
DEF HSC R-COOL
* Mode: Continuous.
* If Zone 2 evaporator is turned OFF, the unit will function as if Zone 2 door is open.