Installation and Service Manual – Metered Carbon Filter
Page 33
Copyright © 2012 Applied Membranes, Inc. All Rights Reserved.
Injector Plug and Refill Flow Plug
The screen, injector and/or injector plug(s) are installed under the injector cap in an easy to access location on top of the
valve. The injector cap contains four slots so no water accumulates in the cap. The injector cap is designed to be hand
tightened. The valves used for backwash filters have plugs (part # V3010-1Z) installed in both openings and refill plug
(part # V3195-01) is present in place of the refill elbow.
Drain Line Flow Control and Fitting Assembly
The drain line flow control assembly includes a drain line flow control and a fitting. The drain line flow control allows proper
media bed expansion by regulating the flow rate to the drain. The drain line flow control is a flexible washer-like part with
an orifice and a precision molded contour. The flow rates are within ± 10% over the pressure range of 20 psi to 125 psi
(1.4 bar to 8.6 bar). See table for flow rate information.
Model No.*
Backwash Flow Rate
Drain Line
Fitting
Drain Line Flow
Control Order No.
Number on Drain
Line Flow Control
Gallons per minute
Liters per minute
W-G744EM
2.2 8.3
¾”
V3162-022 022
W-G844EM
2.7 10.2
¾”
V3162-027 027
W-G940EM
3.2 12.1
¾”
V3162-032 032
W-G1054EM
4.2 15.9
¾”
V3162-042 042
W-G1252EM
6.5 24.6
¾”
V3162-065 065
W-G1354EM
7.5 28.4
¾”
V3162-075 075
W-G1465EM
7.5 28.4
¾”
V3162-075 075
W-G1665EM
15 56.8
¾”
V3162-150 150
The drain line flow control and fitting are located on top of the control valve and replaceable without the use of special
tools. The drain line flow control can be installed in the standard ¾” drain line elbow, which accommodates
⅝
” polytube or
¾” NPT drain line connections. The optional nut and polytube insert for the ¾” drain line elbow is designed for use with
flexible polytube only. The ¾” drain line elbow can be rotated 180 degrees so the outlet can be orientated to the nearest
drain. The same retainer is used for all drain line flow controls for the ¾” fitting. Drain line flow controls designed for the ¾”
fitting are available for flow rates ranging from 0.7 to 10 gpm (2.6 to 37.9 lpm).
Installation Fitting Assemblies
Both elbow fittings have a unique drill out feature to allow a ¼” NPT connection to the inlet and/or outlet which can be
used for a RO feed, test ports, pressure tap ports, etc. The installation fitting assemblies are sold in pairs and consist of
two fittings, two nuts, two split rings and two o-rings. The installation fitting assemblies and the bypass valve are sold
separately from the control valve.
Water Meter or Meter Plug
The water meter is installed on the outlet side of the control valve. The water meter uses a turbine to measure gallons of
treated water. The turbine rotates with the flow of water and reports its rate of rotation through Hall effect² circuitry to the
printed circuit (PC) board. This rotation permits the PC board to record the total volume of treated water and the flow rate.
The small centrally located magnet is shielded from water, which substantially reduces iron-fouling problems with the
turbine.
This Water Meter should not be used as the primary monitoring device for critical or health effect applications.
Operating Pressures: 20 psi minimum, 12 psi maximum; Operating Temperatures: 40°F Minimum, 110°F Maximum
The turbine is accurate to within ± 5% over a wide operating flow rate range (0.25 gpm [0.95 lpm] up to control valve
maximums) and has a very low pressure drop. Water used for regeneration is not metered. If the control valve is set to
prefill the regenerant, water used between the prefill cycle up to the start of the regeneration cycle is metered. If the
control valve is in regeneration mode and there is a water demand, that water usage is not metered.
When facing the front of the control valve, the water meter is positioned on the left-hand side of the control valve. Allow
sufficient clearance to clean and repair the water meter without disconnecting the plumbing or disassembling any other
parts of the control valve.
