1.0 INTRODUCTION:
This manual contains important information on the
installation, operation and maintenance of Watts WM -
Series. Watts WM -PT-Series is designed for use with
a pressurized storage tank. Proper installation and
maintenance will prevent costly equipment downtime.
Before installing and/or operating Watts WM -Series
Reverse Osmosis System, read this manual
completely. Keep this manual available for future
reference. Further information is available by
contacting your local Watts Distributor or STS
Department at Watts Pure Water, Inc.-1725 W.
Williams Dr. C-20.- in Phoenix, Arizona-U.S.A.
85027-Phone (888)774-7405, Fax: (602)588-0356.
2.0 Specifications:
WM-450-PT WM-900-PT
Production: Production:
450 gpd 900 gpd
Production based on 77
o
F water temperature and
operating pressure of 150 psi with TDS of 2000 ppm of
Na.
2.1General Guide Lines:
Minimum Maximum
Inlet water pressure: 35 psi 100 psi
Water temperature: 36
o
F 100
o
F
pH: 3 11
TDS: 5000 ppm
Hardness CaCO
3
: 256 ppm
Iron Fe: 0.1 ppm
Chlorine: 0.1 ppm
Silt: 0.1
Turbidity: 1NTU
The above operating parameters are a general
guideline only. Incoming water chemistry, pre-
treatment and recovery rate will effect the life and
operation of the RO Membranes.
Warning; Warranty may be void if unit is
improperly operated without proper pre-
treatment.
3.0 Unpacking:
Check for shipping damage. Report any shipping
damage to freight carrier.
Identify the following components:
(1) WM -Control Box (See drawing)
(1) WM -Module (See drawing)
(15) Feet of 3/8” ID Poly tubing
(15) Feet of ¼” ID Blue Poly tubing
(1) Plastic Connector 3/8”C x ¼” MPT
(1) PVC Bell Reducer ½” FPT x ¼” FPT
(1) Brass Hex Nipple ¼” FPT
WM-Control Box
WM-Module
Note: Depending on the Pre- & Post treatment
equipment package that was order from Premier.
They may be packed in the same shipping
container as the WM-System.
4.0 Specifications:
Watts
Power supply
Inlet port
Water Line
Valve
Pressure
Gauge
Pressure
Gauge
d
Valve
Switch is located behind inlet pressure gauge
WM-450-
Valve
