4200FA Installation and Operation Manual
29
*
Remote Run
and
Remote Stop
must be enabled via the front panel. Once remote mode is enabled, the key switch on the front
panel is rendered inoperable until remote mode is disabled via the front panel.
4.4.1 Recommended Wire Size and Torque Requirements
UPS Control and Battery Interface 50 kVA
Minimum Wire Size and Torque Requirements
UPS Control and Battery Interface Circuits
USE MINIMUM 75 °C COPPER WIRING
TERMINAL
(TERMINAL #)
50 kVA
AWG*
TIGHTENING
TORQUE
UPS CONTROL CIRCUITS
(1-24)*
14-16
8 in-lbs.
BATTERY CONTROL
CIRCUITS (3-6)*
14-16
8 in-lbs.
*Indicates Class 1 wiring methods are to be used. Maximum Wire Size is 12 AWG.
No.
TERMINAL
FUNCTION
1
Low Batt
(Dry Contact)
Closed
when battery voltage drops below minimum.
2
Batt
Discharge
(Dry Contact)
Closed
when the Internal/external batteries are discharging into the
DC Bus.
3
Fault
(Dry Contact)
Closed
when fault occurs. Generic fault warning, could mean any of
several things, DCOC (DC Over Current), DCUB (DC Unbalanced) etc.
4
N/C
(Not Connected)
5
Inverter
Supply
(Dry Contact)
Closed
when inverter is operating normally.
6
Inverter
Supply
(Dry Contact) Closed
when inverter is operating normally. (Duplicate terminals)
7
P24A3
24 Vdc 1 A max. source for Remote Run.
8
Remote Run*
Apply 24V to switch UPS to Inverter Mode
NOTE: The connection to the remote run inputs on terminals 7 and 8 must be a
discrete dry contact and must not be connected to other powered circuits.
Connection to other powered circuits may result in unpredictable circuit operation
or failure.
9
P24A3
24 Vdc (P24A3)
10
Remote
Stop*
Apply 24Vdc to switch UPS to Static Bypass. The UPS will transfer to bypass as
soon as the input and bypass power are in sync.
NOTE: The connection to the remote stop inputs on terminals 9 and 10 must be a
discrete dry contact and must not be connected to other powered circuits.
Connection to other powered circuits may result in unpredictable circuit operation
or failure.
11
Bypass
(Dry Contact)
Closed
when UPS is in Bypass.
NOTE: Even though Remote Stop may be triggered, the UPS is not in Bypass until
Terminal 11 closes.
12
Common
13
EPO
(Dry Contact)
Short
across 13 and 14 will start the shut down all power in the UPS
including bypass and battery backup, and will cause the Battery Shunt Trip to open
the external battery breaker.
14
EPO
(Dry Contact)
Short
across 13 and 14 will shut down all power in the UPS
including bypass and battery backup, and will cause the Battery Shunt Trip to open
the external battery breaker.
15 – 18 N/C
(Not Connected)
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