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Electrical Installation - Page 1
990-7166-001
Electrical Installation
Model: SYMSTRF3I
The following procedures must be performed by a qualified electrician!
Wiring the three phase SYMSTRF3I Symmetra
TM
includes:
1. Connecting 380V, 400V, or 415V three phase input wiring from a dedicated circuit
2. Connecting 220V, 230V, or 240V single phase output wiring to load equipment via a distribution panel
3. Connecting an Emergency Power Off (EPO) switch
4. Connecting an optional Bypass Balancing Transformer
n Verify that all incoming line voltage (utility power) and low voltage (control) circuits are de-energized,
and locked out, before installing cables or making connections, whether in the junction box or to the
Symmetra
TM
Power Array.
n Verify that all battery modules are removed from the frame, and all Extended Run battery frames are
disconnected from the Power Array before making any wiring connections to the Symmetra
TM
.
n Always follow the Total Power Off Procedure before making wiring connections to or from a function-
ing Symmetra
TM
Power Array. (See the Safety Information section.)
Warning!
n All power and control wiring must be installed by a qualified electrician.
n Input, Output, Emergency Power Off , and Bypass Transformer wiring must comply with all applicable
local and country codes.
n It is recommended that input electricity for the Symmetra
TM
be provided from a dedicated utility power
source. (There are no other circuits on the line.)
n It is recommended that flexible metal conduit be used for all wiring connections. Place the Symmetra
TM
in the final operating position when determining the length of flexible conduit.
n Read this section
completely before installing any wiring to the Symmetra
TM
frame.
Notice!