MNL940-677-000
REV - B
3/20/2017
9
SECTION 3
OPERATION
3.1
CONTROLS AND INDICATORS
Table 3-1 below lists and describes the various controls, indicators, and connectors associated
with this model. Figures 3-1 & 3-2 illustrate the location of items listed in table 3-1.
ITEM
DESIGNATION
FUNCTION
1
POWER
Front panel mounted magnetic circuit breaker,
also serves as DC on/off switch.
2
AIR INTAKE
Pulls in air for cooling internal power components.
3
STATUS LEDS
Bicolor LEDs are used to show the status of the
DC
input, Inverter and AC
input. Green LED’s
indicate a normal operation while red LED’s
indicate a fault condition.
AC IN
LED is only
included in units with A1 or D1 bypass option.
The
AC IN
LED is green when the AC line input is
present.
4
LINE BYPASS FUSE
Provided with alarm /bypass option. Used to
protect AC wiring due to load fault. Fuse rating is
10A @ 250VAC
5
OUTPUT CONNECTOR
Standard units provide two NEMA 5-15R type
receptacles. TB option provides a terminal block.
6
AC LINE INPUT TERMINALS
Screw type terminal block provided with
alarm/bypass option. For connection to bypass
source.
7
FAN EXHAUST
Heated air exhaust. Minimum 4 inch clearance
required for full power operation.
8
DC INPUT
Screw type terminal block to connect DC input.
9
ALARM SIGNAL TERMINAL
(suppled with A1 or D1 option only)
Screw type terminal block to connect alarm
signals. See text.
10
PROTECTIVE EARTH TERMINAL
#10-32 stud for connection to safety ground.
TABLE 3-1
The table above lists features of the most common configurations for this model series. It should
be noted that Behlman has produced many modified or semi-custom versions of this model. This
will be indicated by a four digit engineering code number appearing at the end of the model
number. For this reason this table may not contain all of the information for special units.
Addendums will be placed at the beginning of this manual to address any important variations
and/or operating considerations associated special units. When requesting information from
Behlman regarding this series, any four digit engineering code(s) should be provided.
