20
H/C ERV/HRV Ventilation Push Button
Control (Y8249)
The control
offers the following features to control your
home’s ventilation.
•
Two speed fan setting (LOW / HIGH)
• Standby setting (fan OFF)
• Electronic dehumidistat
• Compatible with wireless timers. Connect to 3-wire 20
gauge low voltage wire.
•
Designed to be mounted in a standard 2 x 4” (51 x 102
mm) electrical box or surface mounted to a wall.
Figure 12. H/C ERV/HRV Ventilation Push Button
Control (Y8249)
Table 10. H/C ERV/HRV Ventilation Push Button
Control (Y8249) Settings
Settings
Icon
Description
Turning on the
Control
Press and release the ON/OFF button. The
light above will illuminate.
Setting the
Ventilation Speed
Press and release the Fan button to select
LOW or HIGH fan speed. The corresponding
“Indicator Light” will illuminate. If both LO
and Hi indicator lights are off, the fan is OFF
but will turn ON if required by the Dehumidi
-
stat or remote Timer (if installed).
Humidity Control
Your unit will reduce indoor humidity when
outdoor humidity levels are lower than
indoor humidity levels. This feature is only
effective when the outdoor temperature is
below 59˚F (15˚C).
Table 10. H/C ERV/HRV Ventilation Push Button
Control (Y8249) Settings
Settings
Icon
Description
Setting the
Dehumidistat
Press and release the Dehumidistat button
until the Dehumidistat Light is at the desired
setting. After a few seconds the Dehumid-
istat light will either flash or be on continu
-
ous. A flashing light indicates the humidity
level is higher than the setting and the unit
is operating on high speed ventilation. A
continuous light indicates the humidity level
is lower than the setting. The Dehumidistat
will override the current speed setting to
HIGH speed. The Dehumidistat function
can be turned OFF by pressing the button
until no Dehumidistat light is on. Refer to
the “How the Dehumidistat Works” on page
19 section of this instruction for a detailed
description of Dehumidistat functionality.
IMPORTANT
Only one main control can be installed on the system.
Timers will not function when mode of operation is set
to “OFF”, unless specifically installed for that function.
See “Main Control Standby Setting” on page 33 in this
instruction.
H/C ERV/HRV Deluxe Ventilation Control
(Y8250)
The control offers the most advanced features to control
your home’s ventilation.
• Five speed fan setting
• Standby setting (fan speed 0)
• Electronic dehumidistat
•
20/40/60 HIGH speed override button
•
Compatible with H/C Ventilation Wireless Timer (Y8251)
• Easy to read back-lit LCD screen
• Slim-line design
• Connect to 3-wire 20 gauge low voltage wire
Figure 13. H/C ERV/HRV Deluxe Ventilation Control
(Y8250)
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