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Installation Procedures
Fig.3
VersFlo UPS lx115V
&
230V Terminal Box:
All VersaFlo UPS single head pumps come
with a protection module and a speed switch
as shown in Fig.3. All are equipped with
built-in, automatic resetting, thermal
overload protection. The pump is protected
at all three speeds.
Speed
Switch
Standard
Module
o
o
@r;========;"\
Fig.50~~~~~~!p
VersFlo UPS 3x208-230V Terminal Box:
All VersaFlo UPS single head pumps come with
a standard module and a speed switch as
shown in Fig.5.AII are equipped with an internal
thermal overload switch (terminals Tl
& T2,
to
be connceted to an external contactor) to
protect the pump at all three speeds.
Protection
Module
Speed
Switch
o
o
@ r;:======::;,\ @
Wiring Diagrams
Wiring Diagrams
Fig.4showsthe electrical connections for a single
phase pump with protection module.
Fig.6 shows the electrical connectionswhen
usingexternal impulse contacts (momentary
contacts)forstartjstop push button station.
Fig.4
D O D D
N
L
1
N
L
Fig.6
r;a
T1 T2
~
L3 12 L1
K$
' _ l_' - K
rl
Slart[-
K
~L312L1
3- x208-230 volt supply
Fig.7 shows the electrical connections when using
an external changeover contact (maintained
contacts) for startjstop push button station.
1- x115V supply
D O D D
N
L
!
l1
l2
1- x230V supply
Notes:
Provide electrical disconnect and current protection
as per local electrical codes.
K
=
External contactor sized to FL
&
LR pump current.
Auxilary contacts rated for supply voltage
(figure 6
&
9 only).
Page 5
Fig.7
;;;;
T1 T2
.,h
L3 L2 L1
't -
1_1_1_,
start/stopE
~L3L2L1
3- x208-230 volt supply
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