Lcd Screen; Unit First Boot; Settings Modification; P Rocedure To M Odify Min Cfm S Etting - Broan B180H75rT 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.
• 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
nSTallaTion onfiguraTion
• 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
elecTion
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.
17
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