Biddle DF Series Manual page 23

DF M
ANUAL
Manual version 3.0 - North America (15-07-2014)
Control panel settings
P OFF
OSITION
N .
O
(
FACTORY SETTING
1 unit remains turned off
after supply voltage
interruption
2 fans continue running as
long as the unit is turned
on
3 heating is turned OFF
once the set room tem-
perature has been
reached
4 display heating settings
using multiple LEDs
2.7.3 External control input
A door switch and/or building management system can be
connected to the input.
• The connector is located on the control circuit board
(INHIBIT connector). This connector has been fed through
to Connector 1 on the outside of the unit.
• This connector is fitted with a bridge on delivery.
• The input is suitable for potential-free switches.
Working of the input
contact closed (or bridged)
contact open
resistor across contact
(3.3 kΩ)
See also:
2.7.5 "Unit settings" on page 24
I
NSTALLATION
P ON
OSITION
)
unit continues running in
the same mode after
supply voltage interrup-
tion
fans do not run if heating
is not required
heating is always on as
long as the unit is turned
on
display heating settings
with only one LED (does
not affect operation)
unit operates normally
unit remains off
unit working, but heating
remains turned off (summer
mode)
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