EP-100 P
UMP
I
NSTALLATION
, O
PERATION
AND
S
ERVICE
M
ANUAL
12 of 29
SECTION 6: PRESSURE SWITCH MOUNTING AND WIRING
6.1 Pressure Switch Installation
For connection to a p
u
mp, locate t
w
o press
u
re s
w
itch
mo
u
nting holes on p
u
mp frame. If replacing an old
press
u
re s
w
itch, yo
u
may need to drill t
w
o holes in
the p
u
mp frame (7/32" dia. approximately 13/16"
apart).
FIGURE 7: Pressure Switch Mountin
g
Holes
6.1.1 Attachin
g
Pressure Switch to Pump Inlet
Using hard
w
are incl
u
ded, mo
u
nt s
w
itch to p
u
mp
frame. Thread barbed fitting into threaded hole at
p
u
mp inlet. C
u
t silicone t
u
be to appropriate length to
eliminate the possibility of kinks and sec
u
rely attach
hose to press
u
re s
w
itch and barbed fitting.
FIGURE 8: Mounted Pressure Switch
FIGURE 9: Pump Pressure Switch Wirin
g
Pressure Switch
Mounting Holes
(located on both
sides of pump frame)
Bar
b
ed Fitting
Silicone Hose
Pressure Switch
Gro
u
nd
Common Terminal
Normally Open Terminal
Connect
w
ire leads pro
v
ided to terminals
1
and
2
labeled
(C)
Common and
(NO)
Normally Open. Refer
to press
u
re s
w
itch kit installation instr
u
ctions or con-
trol panel installation instr
u
ctions for connection to
controls.
