Carrier VECTOR 6500 - Figure 4−2 Continuous Operation Switch Points with Eco Mode Set to

62-11389 4−6
When Null Mode is required and the system is operating
in:
• Engine Operation, the compressor will shutdown
while the engine, condenser fan and evaporator fan
will continue to operate.
• Standby Operation, the compressor will shutdown
while the evaporator fan will continue to operate.
FALLING
REFRIGERATED
COMPARTMENT
TEMPERATURE
SWITCH POINT
+0.4F (+0.2C)
Low Speed
2 Cylinder COOL
+1.8F (+1.0C )
+3.6F ( +2.0C )
-3.2F (-1.8C )
Low Speed
4 Cylinder COOL
RISING
REFRIGERATED
COMPARTMENT
TEMPERATURE
SWITCH POINT
+0.9F (+0.5C )
Set point
-0.4_F (-0.2_C)
+1.6F (+0.9C )
+3.2F (+1.8C )
-3.6F (-2.0C )
Pulldown = High Speed
6 Cylinder COOL*
Low Speed
6 Cylinder
COOL
Set point
Low Speed HEAT
HTCON1
+1.1F (+0.6C )
NULL
-0.5F (-0.3C)
-0.4F (-0.2C)
Switch Point = Controlling Temperature - Set Point
+ results are above set point, - results are below set point
Switch points are the same for Perishable Range and Frozen Range except
in Frozen Range heating is not allowed.
* If the HIGH SPEED PULLDOWN Configuration is set to YES, transition
from pulldown is delayed from the indicated +3.2F (+1.8C ) transition
temperature until the temperature is +0.36 F (+0.2C) above set point.
Pull-Up = HEAT
HTCON1 & HTCON2
Figure 4−2 Continuous Operation Switch Points with Eco Mode set to NO