12 18/10/18
contact 1
contact 2
connect
controller
controller
unit
fan
+
program
program
filter
service
UKUNDA
SIG AH
Heat Recovery unit
Installation-Operation-Maintenance
reserves the right to change the specifications of the product at any time without prior notice
NAME
Description (when light is on)
FREE CONTACT 1
Free contact 1 is activated
FREE CONTACT 2
Free contact 2 is activated
COMM Accessories
The connected accessories are communicating with
the unit
TOUCH SCREEN-PLUG
The touch screen is powered
TOUCH SCREEN-ARROWS
The touch screen is communicating with the unit
MAIN POWER
The unit is powered
FAN
Weekly program is set and fans are operating
WEEKLY
Weekly program is set
FILTER
Clogged filter see Maintenance and Troubleshooting
ALARM
See Troubleshooting
7.0 UNIT OPERATION SIGNALS
On the electric box light are positioned to signal operation mode or communication status between unit and touch
screen or unit and accessories.
ICON
