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64
Installation and Start-up
Refer to Fig. 3 and Fig. 4
Fluid Filter (Required)
Install a filter of 140 mesh (104 micron) or finer
depending on your fluid quality to prolong the working
life of the injector and for the warranty to be valid.
Dosmatic recommends a Twist II Clean® filter that can
be ordered with your injector.
Mounting Injector
Securely fasten your injector to a solid object such
as a wall or in a cold fluid line. Note arrow on injector
indicates fluid flow.
Backflow Preventor (Recommended)
Install one that meets local code requirements.
Pressure Safety Release Device
(Recommended)
Prevents pressure from exceeding specifications of the
unit.
Bypass Valve Set-up (Recommended)
Allows the injector to be taken off-line for maintenance
or storage when not in use.
Fluid-Hammer Arrester (Recommended)
Prevents fluid-hammer damage to the injector when
operating quick closing solenoid, pneumatic or hand-
operated ball valves on the fluid system.
Anti-Siphon Valve (Optional)
To prevent solution from being siphoned out (from the
solution container) into the feed lines when the upstream
valve is shut off. The anti-siphon valve must be installed
on the downstream outlet.
Suggested Installation Diagram
DIRECTION OF FLOW
INLET FILTER
PRESSURE
140 MESH / 104 MICRON
REGULATOR
(MINIMUM REQUIRED)
(OPTIONAL)
PRESSURE
BACK FLOW
GAUGE
PREVENTOR
(OPTIONAL)
(RECOMMENDED)
FILL VALVE
INLET VALVE
(OPTIONAL)
(RECOMMENDED)
PRESSURE SAFETY
DEVICE
(RECOMMENDED)
COVERED CONTAINER
Additional Siphoning Prevention
Place solution container on a level below the injector
suction tube fitting. Using the inlet side as a shut-off
valve could cause full strength solution to siphon into
the feed line.
Solution Container
Use any size container. A lid or cover is recommended.
To connect your solution container, gently push the
end of the suction tube onto the bottom of the suction
tube fitting assembly. Place the filter into the solution
container at least 2" (5cm) from the bottom and fill with
at least 2" (5cm) of chemical solution.
Never Use Petroleum Based Lubricants
The injector is shipped with a thin coat of silicone
around the seals for ease-of-assembly. Petroleum based
lubricants such as Vaseline©, baby oil, WD40©, or motor
oil on the O-rings or any part of the injector should never
be used as this can cause particles to adhere and clog or
damage the injector.
Check System for Leaks and Start-
!
Up Procedures
Open the bypass valve (A), close inlet valve (B) and outlet
valve (C) to prevent fluid flow into the injector. SLOWLY
turn on the main fluid line. Run fluid flows between 5 -12
gpm (11-45 l/m) through the plumbing system. Turn on
all of the valves located downstream from your injector
to release trapped air. SLOWLY turn on the inlet valve
(B). Open the outlet valve (C) and close valve (A). As fluid
travels through the injector, you will hear a "clicking"
sound. Check for leaks and correct if necessary.
Fig. 4
ANTI-SIPHON
VALVE
(OPTIONAL)
WATER HAMMER
ARRESTER
(RECOMMENDED)
BYPASS VALVE
(RECOMMENDED)
6" minimum
FLOW CONTROL
VALVE @ OUTLET
(OPTIONAL)
OUTLET
VALVE
(RECOMMENDED)
SUCTION TUBE
SOLUTION FILTER
English: 9
2 IN
(REQUIRED)
50 MM
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