Eaton 9EHD Series, User'S Installation And Operation Manual

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4 6 Installing a rePo Switch
A latching-type Remote Emergency Power-off (REPO) switch can be used in an emergency to shut down the
UPS and remove power to the critical load from a location away from where the UPS is installed. Shows a
REPO switch.
NOTE 1
NOTE 2
NOTE 3
NOTE 4
NOTE 5
Before installing a REPO switch, verify that the UPS was installed according to the
instructions in paragraphs 4.2 through 4.5.
When installing the REPO switch, you must install conduit between the device and
the UPS cabinet for wiring the switch.
The REPO switch must be a normally-open or normally-closed latching-type switch
not tied into any other circuits.
This procedure is intended for installing the Eaton-supplied REPO switch. If
installing another manufacturer's switch, use this procedure, and Figure 4-13 and
Figure 4-14 as a guide.
The REPO switch wiring must be in accordance with local regulations.
To Install a REPO switch:
1. Verify the UPS system is turned off and all power sources are removed. See Chapter 6, “UPS Operating
Instructions,“ for shutdown instructions.
2. Securely mount the REPO switch. Recommended locations include operator's consoles or near exit doors.
3. To locate the appropriate terminals and review the wiring and termination requirements, see
paragraph 3.2.3, Table 4-3, Figure 4-6, Figure 4-8, and Figure 4-12.
uPS
For Internal Use Only
Normally Closed
REPO Contacts
Normally Open
REPO Contacts
figure 4-16 rePo Terminal Block Connector assignments
Table 4-3 rePo Connections
rePo Terminal description
1
Input: normally-closed dry contact used to activate UPS EPO from a remote switch.
2
3
Input: normally-open dry contact used to activate UPS EPO from a remote switch.
4
4. Normally-Open REPO Switch Wiring see Table 4-4 and Figure 4-13,Normally-Closed REPO Switch Wiring
seeTable 4-5 and Figure 4-14 .
5. If using a normally-closed REPO switch, connect a jumper wire between pins 3 and 4 on the REPO terminal
block.
Eaton 9EHD UPS (20-40 kVA, 380/400/415V) Installation and Operation Manual 37