York TIWM006B22S, Installation And Maintenance Manual

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NOTE:
Do not move the louver by hand. It could damage the louver mechanism and the airflow direction
may not be set correctly. Change the airflow direction by “ ” or “ ” on the wired controller.
(f) Though temperature readings detected by the thermistors are invalid during the Test Run phase, the
protection devices are valid.
(g) Test Run automatically stops after two hours or by pressing the “On” switch again.
Louver
• When problems such as safety device activations occur during Test Run or normal operation, the indicator
“ ” (orange) flashes in intervals: (0.5 second ON / 0.5 second OFF).
• Alarm code status is indicated by the number of times the indicator “ ” (green) and the indicator
“ ” (yellow) flash.
“ ” (green):
The tens digit of the Alarm Code is shown by the number of times “ ” (green) flashes.
“ ” (yellow):
The ones digit of Alarm Code is shown by the number of times “ ” (yellow) flashes.
Example
“ ” (yellow lamp)
Alarm
3 5
“ ” (green lamp)
“ ” flashes 3 times
(0.5 second ON / 0.5 second OFF)
“ ” flashes 5 times
(0.5 second ON / 0.5 second OFF)
These messages are repeated until the alarm is reset.