V21 Parts & Service Manual
All V21 Identified Equipment
REV A – 10/2013
P/N: 1230328
the Service Modes, the controller shall turn off evaporator fan after the delay for 5 minutes after
the compressor is turned off. And when the compressor is turned on, the controller shall turn on
evaporator fan at same time.
The fan mode 1 does not function for 24 hours from the pull-down mode start.
Fan Mode 2
The refrigeration system shall have an fan mode of operation in which the evaporator fan will be
turned on/off based on the number of vended product per unit hour . When the fan mode 2 is
activated through the Service Modes the controller shall turn on/off the compressor and
evaporator fans, based on the following method.
When the number of vended product per one hour is equal or less than five, the controller
should enter the fan mode 1. This causes the controller to work as fan mode 1 without any
setting change.
When the number of vended product per one hour is more than five, the controller should enter
the normal operation mode.
The fan mode 2 does not function for 24 hours from the pull-down mode start.
To change the Periodic Defrost Mode:
1.
Press (2) when the display reads “Refrigeration.”
2.
Press (1) until the display reads “Periodic Defrost.”
3.
The display will show it on or off.
4.
Press (2) and the setting value will flash.
5.
Press (1) to choose your setting.
6.
Press (2) to save setting.
7.
Press (3) to exit and return the display to “Refrigeration.”
If the “Timing Features” in the Configuration mode are turned ON, you will have additional
access to the following modes:
Enable
Start Time 1 or Start Time 2
Start Day 1 or Start Day 2
Start 100.00 or Start 200.00
Stop Time 1 or Stop Time 2
Stop Day 1 or Stop Day 2
Stop 100.00 or Stop 200.00
Sales Block 1 and 2:
V21 12.3
Programming HVV | P4-11
