WM-450-PT WM-900-PT Commercial Wall Mounted Reverse Osmosis Installation And Service Manual Watts Pure Water 1725 W. Williams Dr. C-20., Phoenix, Arizona 85027 Phone : 888-774-7405 Fax: 602-588-0356 www.wattspurewater.
General Plumbing Layout Includes Optional Pre & Post Treatment Equipment All Pre-& Post treatment equipment shown in this drawing are optional and are purchased separately. 9 9a 4 8 3 7 6 2 22 1 5 1: Pre -Booster Pump (require if the incoming feed water pressure is less than 35 psi (2.2 bars).
1.0 (1) Brass Hex Nipple ¼” FPT INTRODUCTION: WM-Control Box 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. Watts Water Systems Before installing and/or operating Watts WM -Series Reverse Osmosis System, read this manual completely. Keep this manual available for future reference.
Warning: The WM-Module must be firmly secured to a wall that can support the weight of the WMunit during operation. The mounting bracket of the WM-Module has (3) slotted keyholes for mounting the WM-Module to the wall. The head of the screws or bolts should be of a size that can pass through the larger part of the slotted keyhole but not the smaller slotted area that it will slide into. Inlet connection: ½” FPT or 1” FPT Water supply line must be at least ½” service.
7.3 The WM -Control box has (4) mounting holes. WM -Control Box weighs only 8 pounds. #12 screws should hold the WM -Control Box in place. A wall anchor device should be used to ensure the mounting screws do not pull out of a wall. 0-100Pressure Gauge SS Check Valve 8.0 Drain line connection: The drain line should be installed accordance to the local and state plumbing codes. 8.1 The 3/8” ID adapted reducer.
11.1 Motor Connection: The electrical connection between the WM -module and control box for the RO pump motor is with the self-locking female and male plugs. Push Male Plug into Female Plug and turn to lock. 12.0 START UP: All pre-treatment equipment should have been started up and be in service before starting up the WM System. Control Motor Female Male Box 11.
12.5Inlet pressure gauge. The Inlet pressure gauge before the Inlet solenoid valve will be indicating the feed water pressure reading of the inlet water supply after the built-in prefilter. This pressure reading should be greater than 35 psi. Inlet pressure Drain Control Needle Valve turn to set drain flow feed pressure into membrane gauge Recycle Needle Valve turn to increase recovery To Drain Back Pressure Gauge 0300 Inlet Solenoid Valve 12.
14.0 Testing low water pressure safety switch The low pressure shut down switch has been pre-set at the factory to shut down the production of the WM unit if the incoming feed water pressure drops below 18 psi. To provide protection that the RO pump is not operated in a dry mode. (h) Any hydrogen peroxide still in storage tank or in the water lines will be removed by the final polishing. Or break down to oxygen and water over 24-hour period. 14.
