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L-1600 (04/01/21)
MEDIUM PRESSURE 20-40 BAR INSTALLATION
CONTROL UNIT KIT INSTALLATION
The control units are designed for control of pressure and flow
rate. Use appropriate model (as specified in chart on page 19)
to mount on particular pump model and pressure/flow ranges.
Some models are mounted directly to pump and some can be
mounted remotely with mounting Kits as specified in chart on
page 19.
Hypro recommends a blue thread locking compound on all
threaded fasteners that do not require lock washers.
Direct Mounting onto Pump
1. Locate the discharge flange port on the discharge
manifold. Remove the nuts holding the flange manifold.
2. Remove the O-ring from the groove of the flange and install
into the control unit flange.
3. Install the control unit onto the manifold where the
discharge port had been previously. Use the nuts previously
removed to secure the control unit.
4. Connect bypass hose to bypass hose barb and run
unrestricted to supply tank.
5. Connect the desired number of high pressure hoses to the
outlet hose barbs. Unused hose barbs can be shut off with
ball valves provided.
Remote Mounting with Mounting Kit
1. Locate and secure the mounting bracket provided with
mounting kit in the desired position.
2. Place O-rings into groove of relief valve body and discharge
flange provided with mounting kit.
3. Assemble the control unit and discharge flange onto the
bracket and secure with the bolts and nuts provided.
4. Use the high pressure hose to connect pump discharge
port hose barb to the control unit inlet port hose barb
5. Connect the bypass hose to the bypass hose barb, then run
it unrestricted to the supply tank.
6. Connect the desired number of high pressure hoses to the
outlet hose barbs on the control valve. Unused hose barbs
can be shut off with ball valves provided.
For all discharge hoses, use hose with an operating pressure
rating equal to or greater than the maximum pressure rating of
the pump. High pressure clamping should be used on all outlet
hose connections.
Always wear safety goggles when working with
spring-loaded fasteners or devices.
During the first step, you are strongly advised to
start the pump with the regulating valve knob turned to 0
pressure and with the lever in the by-pass position. Maintain this
configuration for a couple of minutes so as to lubricate the
internal components of the pump and allow the diaphragms to
set in position before the pressure is increased.
The restriction on the pump is removed by rotating the Pressure
Release knob on the control unit, fully toward bypass arrow
direction.
First back out the pressure regulator adjustment knob to zero.
Then rotate the Pressure Release knob to Pressure arrow
direction. Adjust the pressure by rotating the relief valve
adjustment knob to the desired pressure.
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