Page 46 - Webster Service Manual

41
INSTALLATION DATA
R Series units may be used in one- or two-pipe installations. Two-pipe
operation is recommended for all high capacity units. A yellow tag is
attached to units that are factory set for two-pipe installation.
NOTE:
Inlet ports #1 and #2, and return port #2 are 3/8” pipe thread on
high capacity units. (2R6-8 Series.)
Unit shown at the right has a left side by-pass plug access, (-) in the
sales code. (*) in the code designates right hand access as shown below.
To Vent Pump: Attach 1/4” ID plastic
tube. Use 3/8” wrench to open vent 1/8
turn maximum.
For Use as Gauge Port: Remove insert
to install 1/8” pipe threaded gage
Remove plug to install
1/4”
pipe threaded gauge.
Nozzle Port: 1/8” pipe
thread (1/4” pipe thread if
pump code ends in 13 or 14
Inlet Port #2
1/4”
Pipe Thread
Insert - (Bypass Plug 1/8 pipe thread)“
P/N 29533-35
Return Port #2
1/4”
Pipe Thread,
use as return on
two pipe installation
Return Port #1: 1/4” pipe thread,
used as return on two pipe
installation.
Port nearest pressure
adjusting screw is
never used
Inlet Port #1
1/4”
Pipe Thread
To Adjust Pressure:
Remove cover screw.
Insert 1/8 Allen
wrench. Turn counter-
clockwise to below
pressure desired.
Turn clockwise to set
to desired pressure.
Keep cover screw
tight except when
adjusting pressure.
Return Port #2: 1/4” pipe thread, used
as return on two pipe installation
Inlet Port #1: 1/4”
pipe thread
Inlet Port #2: 1/4” pipe
BODY STYLE D
CLOCKWISE ROTATION
BODY STYLE C
COUNTERCLOCKWISE ROTATION (CCW)
OPPOSITE OF THAT PICTURED