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17
5.3 SETTINGS MODIFICATION
5.3.1 PROCEDURE TO MODIFY MIN CFM SETTING
• Go to MIN using (+/-) then press on the OK button for 4 seconds.
• Use (+/-) to increase/decrease CFM and OK to confirm.
5.3.2 PROCEDURE TO MODIFY MAX CFM SETTING
• Go to MAX using (+/-) then press on the OK button for 4 seconds.
• Use (+/-) to increase/decrease CFM and OK to confirm.
5.3.3 PROCEDURE TO MODIFY OPTIONS SETTING
• Go to CFG OPT using (+/-) then press on the OK button for 4 seconds.
5.3.4 PROCEDURE TO MODIFY INDEPENDENT AIRFLOWS SETTING
• Press simultaneously (+/-) buttons for 4 seconds.
5.2 UNIT FIRST BOOT
PREPARATION
Follow these steps to ensure accurate measurements:
• Seal all the ductwork with tape. Close all windows and doors.
• Turn off all exhaust devices such as range hood, dryer and bathroom fans.
• If the installation is in any way connected to a ductwork of a central forced-air system, make sure that the central forced-air system
blower is ON. If not, leave central forced-air system blower OFF.
AUTO-BALANCING PROCEDURE
• Plug the unit and wait for the maximum CFM to display on the LCD screen. If unit is colder than ambient temperature, it is normal to
experience a 60 s longer boot-up since motors have to preheat.
• The maximum CFM will display on the LCD screen. Use (+/-) to adjust the CFM and OK to confirm.
• The minimum CFM will display on the LCD screen. Use (+/-) to adjust the CFM and OK to confirm.
• The house that flashes on the LCD screen indicates which side currently limits the airflow (supply or exhaust). If the airflow reached is
not sufficient, the installer can improve the installation to increase airflow.
INSTALLATION CONFIGURATION SELECTION
• INS will display on the LCD screen. Choose among T-1, T-2, T-3, T-4 or T-5 following the installation configuration (Refer to section
2.2 for more details).
• Auto-balancing is completed.
5.1 LCD SCREEN
DISPLAY DEFINITION
STB Standby mode
MED MED speed
INT Intermittent mode
REC Recirculation mode
(Min, Med or Max speed)
AUT AUTO mode
SMT SMART mode
OVR 20 Override 20 min
OVR 40 Override 40 min
VQ0217
VQ0218
VQ0219
VQ0220
+
+
-
-
OK
OK
OK
+
WHEN MAX DISPLAYS, PRESS ON
+ BUTTON TO EXIT INDEPENDENT
AIRFLOWS SETTING.
SUPPLY AIRFLOW VALUE WILL FLASH.
PRESS ON + BUTTON OR - BUTTON TO
INCREASE/DECREASE VALUE.
PRESS OK BUTTON.
EXHAUST AIRFLOW VALUE WILL FLASH.
PRESS ON + BUTTON OR - BUTTON TO
INCREASE/DECREASE VALUE.
PRESS OK BUTTON.
DISPLAY DEFINITION
OVR 60 Override 60 min
OVR CNT Override by dry contact
AHU Refer to section 6.3 for explanation
HUM Humidistat or Dehumidistat override
TUR Turbo mode
OTH Away mode or Scheduling mode
DEF Defrost mode
EXX or WXX
(XX referring to error or warning number)
Refer to section 8 for each error/warning
explanation
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