Johnson Controls YORK VIR-25A Instrucciones De Instalación página 8

Operation
Allows generating cold air by modulating
the outdoor air intake damper. If conditions
are favourable, the yellow LED V2 will be
on and the damper will adjust to achieve
an impulse temperature of 12° C. Favour-
able conditions in temperature mode are
understood as an outdoor temperature of
General dimensions mm
Economiser Weight kg A
VIR 25A
54 729
VIR 40A 69 729
VIR 45A / 60A
78 809
VIR 75A / 90A 90 729
8
below 20° C and, at the same time, below
the return temperature.
The yellow LED on the board will be off when
conditions are not favourable.
Whenever the indoor fan is in operation, the
outdoor damper is open proportionally to
renew the air in the room. (By default, 10%
adjustable value.)
B C D E
566 1 109 408 159
639 1 352 408 159
739 1 935 508 164
812 2 205 508 79
F G H I
162 95 63 205
162 131 100 227
137 101 130 218
142 138 166 228
GB
In winter cycle, if the thermostat calls for
heat but no heat phase can be activated due
to a failure, the outdoor damper will remain
closed with the indoor fan in operation.
Should the indoor fan fail and this is detected
by the Yklon board, the outdoor air damper
closes completely.
J K L M
699 140 130 605
898 212 196 605
1 499 213 112 685
1 724 260 202 605
N O
40 55
40 55
40 55
40 55