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12. Connect conductor from transfer switch neutral terminal to
generator NEUTRAL terminal. Observe generator control panel
labeling for terminal identification.
13. Connect conductor from transfer switch "GND" terminal to
generator control panel "GROUND" terminal.
Assure generator equipment grounding conductor is
connected per applicable federal, state and local codes,
standards and regulations.
14. Using minimum #14 AWG conductors, connect the transfer
switch "UTILITY 240 VAC" terminals (A) to generator's "240
VAC" terminals via two-pole connector (B) supplied with
generator.
NOTICE For installations with a GC103X controller, DO NOT connect the
TxRx and TxRx GND wiring, or damage to the controller can occur.
15. This step is optional. Skip this step if the generator uses a
GC 103X controller or if a Symphony® II Power Management
is not present. For a legacy installation with Symphony® II
Power Management and without the GC103X controller: the
TxRx and TxRx GND communication can be connected, but it
is not required. If it is connected, it MUST be done exactly as
described in this step:
Using minimum #18 AWG twisted pair copper or aluminum
conductors, no greater than 200 ft. in length, 300 volt
75°C-90°C, connect "T/R" and "GND" terminals on transfer
switch control board (B) to the generator's control panel (A)
"TxRx" and "TxRx GND" terminals via ten pin connector or
eight pin terminal. Count down to the proper pin location on
the generator control board since visual alignment with its
decal can be misleading:
A
OR
A
12
B
16. Install optional remote modules using the installation
instructions provided with each module. Set each module to
the agreed-upon priority setting.
17. Tighten all wire connections/fasteners to proper torque.
See label inside transfer switch enclosure or values listed in
remote module installation instructions for proper
torque values.
Supervisory Control Terminals
To avoid undesirable operation, we recommend loads be managed
only with low voltage or 50 Amp remote modules. Do not use the
transfer switch control board supervisory control terminals
(if present).
The illustration on the following page shows a completed transfer
switch installation. Your actual layout will vary.
Illustration callouts are:
A - From utility watt-hour meter
B - Current transformers
C - Transfer switch enclosure
D - Symphony® II system control board (if it is included)
E - T/R and GND to Generator
F - Transfer switch control board
G - Neutral terminal
H - Neutral bus
J - Ground bus
K - Main distribution panel
L - UTILITY 240VAC to Generator
M - Two pin connector or Two pin terminal block
N - Ten pin connector or Eight pin terminal block
P - Generator circuit breaker
R - Generator
S - Generator Neutral terminal
T - Generator Ground terminal
U - Transfer switch ground terminal
V - Load connection to distribution panel
W - Utility disconnect circuit breaker
X - Utility connection
Y - Generator connection
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