11
SYNERGY3D INSTALLATION MANUAL
General
Be sure the available power is the same voltage and phase
as that shown on the unit serial plate. Line and low voltage
wiring must be done in accordance with local codes or the
National Electric Code, whichever is applicable.
Unit Power Connection
Line Voltage connection is made by connecting the
incoming line voltage wires to the “L” side of the contactor
as shown in Figure 9. Consult the Electrical Data table for
correct fuse size.
external Loop Pump Power Connection
If the unit is to be used with an external loop pump (FC1
or FC2 flow center), the pump(s) will be connected to
the terminals on PB1 in the unit electrical box as shown
in Figure 9. The pumps will automatically be cycled as
required by the unit or by a secondary signal from another
Synergy3D unit sharing the flow center. (Refer to the
Wiring Schematics section.)
208 Volt Operation
All 208-230 volt units are factory wired for 230 volt
operation. For 208 volt operation, the red and the blue
transformer wires must be switched on terminal strip PS1.
(Refer to the Wiring Schematics section.)
Shut
Down C C
not
used
not
used
SL1
In
SL1
Out
Shut
Down C C
not
used
not
used
SL1
In
SL1
Out
With pump
wired to
Unit 1
With pump
wired to
Unit 2
Shut
Down C C
not
used
not
used
SL1
In
SL1
Out
Unit #1
Electromechanical
Unit #1
R
Y
O
G
L
S
C
Coil
VX, VL
Normally Open
Contacts
24v
Unit #1
Unit #2
Wiring Multiple Units to One Flow Center
Synergy3D Line Voltage 208-230/60/1
electrical Data
L1
L2
EXTERNAL LOOP
208/230 VAC
1/2 HP MAX
TB
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Summary of Contents for Synergy3D
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