Lcd Screen; Unit First Boot; Settings Modification; P Rocedure To M Odify Min Cfm S Etting - Venmar A180H75RT Series User's And Installer's Manual

5.1 lcd s
creen
DISPLAY
STB
MED
INT
REC
AUT
SMT
OVR 20
OVR 40
5.2 u f b
niT irsT ooT
p
repArATion
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.
A -b p
uTo AlAncinG rocedure
• 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. Refer to section 8.1 if errors E22 or E32 display.
• 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.
i c s
nsTAllATion onfiGurATion elecTion
• 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.
5.3 s m
eTTinGs odificATion
5.3.1 p m
rocedure To odifY min cfm
• 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 p m
rocedure To odifY mAx cfm
• 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 p m
rocedure To odifY
• Go to CFG OPT using (+/-) then press on the OK button for 4 seconds.
5.3.4 p m
rocedure To odifY
• Press simultaneously (+/-) buttons for 4 seconds.
+
VQ0217
VQ0219
+
VQ0218
DEFINITION
Standby mode
MED speed
Intermittent mode
Recirculation mode
(Min, Med or Max speed)
AUTO mode
SMART mode
Override 20 min
Override 40 min
s
eTTinG
s
eTTinG
o s
pTions eTTinG
i A s
ndependenT irflows eTTinG
-
OK
VQ0220
-
WHEN MAX DISPLAYS, PRESS
+
ON BUTTON TO EXIT
INDEPENDENT AIRFLOWS
SETTING.
+
DISPLAY
OVR 60
OVR CNT
AHU
HUM
TUR
OTH
DEF
EXX or WXX
(XX referring to error or warning
number)
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.
16
DEFINITION
Override 60 min
Override by dry contact
Refer to section 6.3 for explanation
Humidistat or Dehumidistat override
Turbo mode
Away mode or Scheduling mode
Defrost mode
Refer to section 8 for each error/warning
explanation