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Electronics, Hydraulic schematic – MTS Model 512-04 Hydraulic Power Unit User Manual

Page 7

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Model 512.04 Hydraulic Power Unit

Introduction

7

Electronics

The HPU has basic controls to turn it on to low pressure or high pressure
and to turn it off. The HPU includes an

Emergency Stop

switch that is

connected to the interlock chain of your test system.

A hydraulic interlock can be generated by the hydraulic power supply if
one of the following occurs:

Low hydraulic fluid level

High hydraulic fluid temperature

Dirty hydraulic power supply filter (optional)

Hydraulic

schematic

The hydraulic schematic shows how the hydraulic components are
connected in the Model 512.04 Hydraulic Power Unit. Both types of heat
exchangers are shown.

Return -8

37

° JIC Flare

Pressure -8

37

° JIC Flare

Drain -06

SAE

0.125

1/2 NPT

Strainer

Pressure

Gage

Motor

Pump

Low Fluid

Switch

See Heat

Exchangers

Pressure

Relief

Valve

0.7–14 MPa

(100–2000 psi)

Fan and Motor

Air-Cooled Heat

Exchanger

Water In

1/2 ID Hose

Water Out

1/2 ID Hose

Water-Cooled

Heat Exchanger

High/Low

Pressure

Solenoid

Filter

Check

Valve

Overtemperature

Switch

Reservior