10
piece of black 5/8” tubing from the valve up to the 5/8” compression fitting at the back right side
of the RO system manifold.
§4.2.2 BY-PASS PANEL PREPARATION AND INSTALLATION
:
The by-pass panel is to be located convenient to the RO where the TDS monitor is visible and
the valve can be operated without difficulty.
The standard fittings provided are ½” MPT x 5/8” compression to be installed directly in the 3 ½”
FPT ports at the bottom of the panel. Three ½” street elbows are also provided to allow the
option of mounting the by-pass panel closer to a floor surface if desired.
Referring to the front view of the panel: the fitting marked FEED (Left side) will be connected to
a city water valve, the fitting marked USAGE (center) will be connected to the valve feeding all
food service machines, the fitting marked FROM RO (right Side) will be connected to the RO
unit Post filter fitting marked FAUCET.
Two ½” MPT x 5/8” compression fittings are also provided for the 2 valves indicated above.
Make all 3 connections using the 5/8” black tubing provided.
§4.2.3 RO FEED WATER CONNECTION
:
A ½” MPT x 5/8” compression fitting is provided to connect a city water feed valve to the RO
feed water filter inlet Marked FEED. Install the fitting in the valve and connect to the RO using
the 5/8” black tubing provided.
§4.2.3 RO DRAIN CONNECTIONS
:
3/8” white plastic tubing is used to connect the brine outlet to a drain and the product high
pressure relief valve to drain. The fittings are the quick connect type and are marked DRAIN.
It is suggested the product high pressure relief valve be connected to drain via an air gap
device (not supplied) so that any flow, although unlikely, would be diverted to drain. The
opening of this valve and subsequent water flow is an indication of a system malfunction, most
likely in the tank pressure switch.
§4.3 ELECTRICAL
A complete electrical diagram of the RO system is shown in Figure 3.
WARNING!
THE SYSTEM MAY START WHEN POWER IS APPLIED. DO NOT CONNECT
POWER UNTIL THE SYSTEM IS COMPLETELY INSTALLED AND READY TO RUN.
In the U.S., MN-800 TF systems come with a standard 115V three-prong plug. When wired for
220V, the systems have only bare leads for either hard wiring to a disconnect switch or for
installation of the proper plug. Be sure the receptacle you use is on a circuit that has a Ground
Fault Interrupter (GFI) and has sufficient capacity for the operating current as listed in §1.0
SYSTEMS SPECIFICATIONS. It is recommended that the unit be installed on a dedicated circuit
to prevent overloading on system start-up. The power cord on the MN-800-TF is 10 feet long.
The electrical outlet must be located accordingly.
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