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See Table 2.6 for DIP switch positions required to achieve these functions.
Programmable
No.
Function
S2(6) S2(5) S2(4) S3(3) S3(2) S3(1) S3(6) S3(5) S3(4)
1
Bypass Run
OFF
2
Damper Coil
OFF
3
Auto Transfer
OFF
4
Drive Run
OFF
5
Serial Com. Run
ON
6
Hand Mode
ON
7
Auto Mode
ON
8
System Fault
ON
Factory Settings
ON
* ACTIVE = RELAY CONDITION DURING FUNCTION
Building Automation System Run/Stop Circuit:
A control terminal block position (TB1, terminals 2 and 9) is provided to connect the Normally Open (NO) Run/Stop contact
from a BAS or other remote controller for auto mode control.
There must be continuity between these terminals in order for the motor to run, in auto mode.
Safety Interlock Circuit:
A control terminal block position (TB1, terminals 1 and 9) is provided to connect the series circuit of Normally Closed (NC)
safety devices such as: freeze up thermostats, smoke/fire sensors, high pressure limits, temperature limits or vibration
detectors.
On power up the E7N will display a red "Safety Open" LED in the "System Status" area of the front control panel if a nor-
mally closed "Safety Circuit" has not been installed between TB1-1 and TB1-9 on PCB A2. This condition will prevent Drive
or Bypass operation.
1 of 3 items needs to be done before the motor can be started:
1) Install a NC "Safety Circuit" between TB1-1 and TB1-9 on PCB A2.
2) Install a jumper between TB1-1 and TB1-9 on PCB A2. This method should be used if a "Safety Circuit" will be
added later in the installation.
3) De-activate these terminals by moving DIP switch S2-7 to the ON position (toward the enclosure door). This solution
is only suggested if a "Safety Circuit" will never be applied to the drive system.
Building Automation System Interlock Circuit (Drive and Bypass enable input):
A control terminal block position (TB1, terminals 3 and 9) is provided to connect Normally Open (NO) enabling contacts such
as: damper end switches or occupied cycle timers.
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Table 2.6 DIP Switch Settings for Output Relay Functions
Programmable
Relay 1
Relay 2
OFF
OFF
OFF
OFF
OFF
ON
OFF
OFF
ON
OFF
OFF
ON
ON
ON
OFF
ON
OFF
OFF
ON
OFF
OFF
ON
ON
OFF
ON
OFF
ON
ON
ON
ON
ON
ON
OFF
ON
ON
ON
Electrical Installation 2 - 10
Programmable
Relay 3
OFF
OFF
OFF
OFF
ENERGIZED
ON
OFF
OFF
ON
ENERGIZED
OFF
OFF
ON
OFF
ENERGIZED
ON
OFF
ON
ON
ENERGIZED
OFF
ON
OFF
OFF
ENERGIZED
ON
ON
OFF
ON
ENERGIZED
OFF
ON
ON
OFF
ENERGIZED
ON
ON
ON
ON
DEENERGIZED Drive, motor or control fault
OFF
ON
ON
ON
Function
Active*
Description
Running in Bypass mode
Damper actuator activation
Auto-Transfer is active
Drive is in the Run mode
Serial Comm. Run command
Manual mode operation
Auto mode operation
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