Installing A Repo Switch; Table 4-3. Repo Connections - Eaton 9E Installation And Operation Manual

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.
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.
UPS System Installation
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 4-9, Figure 4-10, and Figure 4-16.

Table 4-3. REPO Connections

REPO Terminal
1
2
3
4. Route the REPO wiring to the terminal block:
NOTE 1 Before installing a REPO switch, verify that the UPS was installed according to the
instructions in paragraphs 4.2 through 4.5.
NOTE 2
When installing the REPO switch, you must install conduit between the device and
the UPS cabinet for wiring the switch.
NOTE 3 The REPO switch must be a normally-open or normally-closed latching-type switch
not tied into any other circuits.
NOTE 4 This procedure is intended for installing the Eaton-supplied REPO switch. If
installing another manufacturer's switch, use this procedure, and Figure 4-17 and
Figure 4-18 as a guide.
NOTE 5 The REPO switch wiring must be in accordance with local regulations.
Normally Closed
Normally Closed
REPO Contacts
REPO Contacts
Figure 4-19. REPO Terminal Block Connector Assignments
Figure 4-16. REPO Terminal Block Connector Assignments
Table 4-3. REPO Connections
REPO Terminal
Description
1
2
Input: normally-closed dry contact used to activate UPS EPO from a remote switch.
3
Input: normally-open dry contact used to activate UPS EPO from a remote switch.
4
4. Route the REPO wiring to the terminal block:
a. If not already removed, remove the power terminal cover right and left sides (see Figure
NOTE
Conduit and wiring enter from the central of the conduit landing plate.
the cover top and hardware for later use.
b. If not already removed, remove the power terminal cover top. Retain the cover top and h
later use.
Eaton 9E UPS (80-200 kVA, 380/400/415V) Installation and Operation Manual
NOTE
c. Remove the screws securing the top rear panel (see Figure 4-10). Supporting the panel, t
UPS
UPS
Normally Open
REPO Contacts
Normally Open
REPO Contacts
Description
Input: normally-closed dry contact used to activate UPS EPO from a remote switch.
Input: normally-open dry contact used to activate UPS EPO from a remote switch.
The two upper fans are attached to the top rear panel.
UPS System Installation
4-15