CES SERIES WATER SOFTENERS
INSTALLATION, OPERATION AND MAINTENANCE GUIDE
2900E SINGLE 2900E DUPLEX PARALLEL 2900E TRIPLEX SERIES 2900E QUADPLEX SERIES
2850E SINGLE 9500E TWIN
INTRODUCTION
The Pentair® Everpure® CES Series water softening systems
provide optimum water characteristics for its specified
applications. These systems can help minimize equipment
downtime and help improve the quality and consistency of your
NOTES
Do not discard. Give this guide to the owner/operator after installation.
This installation manual contains important information related
to the installation, startup and operation of the Pentair Everpure
2850E, 9500E, 2900E, 2900E-DP, 2900E-TP, 2900E-QP, and 3900E
Series water softeners. In addition to this document, a Control
Valve Manual and Programming Guide ("E" Series models) have
been provided. The Control Valve Manual covers general operating
information, in addition to detailed exploded parts views of the
control valve, valve drive and brine system.
OPERATIONAL SPECIFICATIONS
For use on cold water only.
Pressure Requirements:
An operating water pressure between 25 and 125 PSI (1.7 - 8.6 bar).
Note: When daytime water pressure exceeds 80 psi (5.5 bar), the
maximum pressure rating of 125 psi (8.6 bar) can be exceeded. A
pressure regulator must be installed on this system or warranty is
voided.
If pressure is greater, install a pressure regulating valve ahead of
the system. If water pressure is lower, install additional equipment
to maintain a 30 PSI (2.1 bar) minimum operating pressure.
Temperature: 40-100ºF (4-38ºC)
1. Clear (non-turbid) water supplies (less than 5 NTU).
CAUTION
The pressure vessels (mineral tanks) provided with the
system should be protected from the following conditions:
a. Vacuum in excess of 5 ½" Hg (17 Pa) below atmospheric – If
negative pressure should ever exceed 5½" Hg (17 Pa), an
adequate vacuum breaker must also be properly installed.
A vacuum breaker should be installed just prior to the inlet
of the control valve. Systems utilizing multiple controls will
require a vacuum breaker for each control valve.
PENTAIR EVERPURE CES SERIES WATER SOFTENERS INSTALLATION, OPERATION AND MAINTENANCE GUIDE
3900E SINGLE (HWBP & NHWB)
products. Proper system installation and routine maintenance,
such as refilling the brine tank with salt, can ensure years of
trouble-free operation and performance.
The Programming Guide (only "E" Series models) includes step-by-
step procedures for programming the controller for your specific
application.
Many sections of this manual will apply to all models, whereas some
sections may be more series specific. Specific model differences
will be highlighted. Refer to the general arrangement drawings for
examples of typical plumbing configurations and identification of
various components and their connection points.
Improper installation of a vacuum breaker when required, may
void the mineral tank warranty.
Vacuum Breaker Installation
Vacuum Breaker
Control Valve
Shut-off
Valve
Tank
Base
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