Appendix F - Control Box Assembly B6Lc And B12Lc - Broan B6LC Installation, Operation And Service Instructions

Light commercial heat recovery ventilators and energy recovery ventilators
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E-3: OCCUPIED TIMER/SENSOR CONNECTION
(NOT SOLD BY BROAN)
Occupancy control is achieved by connection to the terminal
interface shown below. These terminals require a dry contact
which could be provided by a number of types of controls such
as a timer, light sensor, occupancy sensor, building management
system, or other. The unit will not operate unless these contacts
are closed!!
The illustration below shows a factory installed jumper and
programmable timer option (supplied by others).
JUMPER
(factory installed)
WALL CONTROL
COMMANDE MURALE
Black/Noir
Green/Vert
Red/Rouge
Yellow/Jaune
LOW
ON-OFF/
BASSE
MARCHE-
ARRÊT
COMMON
COMMUN
HIGH
HAUTE
CLASS 2 LOW
F
VOLTAGE /
F
CLASSE 2 BASSE
TENSION
NOTE:
Use of 24 VAC circuit
requires isolating contacts
(ex. thermostat) to prevent
interconnection of Class 2
outputs.
L'utilisation d'un circuit 24
VCA nécessite des contacts
isolés (ex. thermostat) pour
éviter l'interconnexion des
sorties de Classe 2.
VE0467A
Appendix E
TERMINAL CONTROL DIAGRAMS
OCC. CONTROL
(field installed)
NSB Timer
WALL CONTROL
COMMANDE MURALE
Black/Noir
Green/Vert
Red/Rouge
Yellow/Jaune
M
LOW
1
2
3
4
5
ON-OFF/
BASSE
MARCHE-
ARRÊT
COMMON
COMMUN
HIGH
24 (-) VAC
HAUTE
24 (+) VAC
CLASS 2 LOW
F
VOLTAGE /
F
CLASSE 2 BASSE
TENSION
NOTE:
Use of 24 VAC circuit
requires isolating contacts
(ex. thermostat) to prevent
interconnection of Class 2
outputs.
L'utilisation d'un circuit 24
VCA nécessite des contacts
isolés (ex. thermostat) pour
éviter l'interconnexion des
sorties de Classe 2.
Appendix F
CONTROL BOX ASSEMBLY B6LC AND B12LC
VE0001A
(cont'd)
E-4: REMOTE FAN CONTROL
Remote fan control can be achieved by connecting dry
contact controls to the terminal interface at terminals labeled:
LOW - COM - HIGH.
These controls could be the following: SPDT switch, dehumidistat,
CO
sensor, light sensor, timer, building management system, etc.,
2
supplied by others.
The illustration below represents a switch connected to the unit.
WALL CONTROL
COMMANDE MURALE
Black/Noir
Green/Vert
Red/Rouge
Yellow/Jaune
LOW
ON-OFF/
BASSE
MARCHE-
ARRÊT
COMMON
COMMUN
HIGH
HAUTE
CLASS 2 LOW
F
VOLTAGE /
F
CLASSE 2 BASSE
TENSION
NOTE:
Use of 24 VAC circuit
requires isolating contacts
(ex. thermostat) to prevent
interconnection of Class 2
outputs.
L'utilisation d'un circuit 24
VCA nécessite des contacts
isolés (ex. thermostat) pour
éviter l'interconnexion des
sorties de Classe 2.
Remote control access plate
Remote wiring terminal block
Control box
Unit cabinet
Control cover plate
19
REMOTE
FAN SWITCH
LOW
HIGH

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