Danfoss AK2-SC 255

94 AK2-SC 255 Reference Manual RS.8D.M1.22
In the field labeled address, give the RTC an address from 0 to 99 that is unique
among all the RTC nodes on the I/O network for this SC 255. Remember that there
can be only 45 HVAC units per SC 255.
Any time an RTC node is changed or added, the network must be re-scanned and re-
initialized.
After addressing and re-scanning, put the cursor on the Init field and press ENTER.
The initialization process will take a few seconds, with a success or failure confirma-
tion message appearing briefly across the bottom of the screen. When successful,
configuration is complete.
Seasons 4 Smart Coil
HVAC Unit
configuration Smart Coil
®
packaged HVAC systems (manufactured by Seasons 4, Inc.) have some
unique configuration requirements. For these units, select SC4 as the type on the
Configure HVAC menu. At left below is the SC4 menu. At right is the screen for fan
configuration.
Motor delay time (5 to 255) The fan motor runs continuously at low
speed. When there is a call for cooling, heating, or
dehumidification, the fan switches to high speed after
the motor delay set here elapses.
Monitor phase loss (List box: Yes, No) Whether or not a phase loss
detector is to be monitored.
Which phase loss monitor (List box) Select from any of the configured phase
loss monitors.
Shutdown phase loss (List box: Yes, No) Whether or not the fan is to be
shut down on detection of a phase loss.
Shutdown on smoke detect (List box: Yes, No) Whether or not the unit is to be
shut down when its smoke detector is on.
Shutdown on fire alarm (List box: Yes, No) Whether or not the unit is to be
shut down when a fire alarm monitor detects a fire