
5
KI-OM-6768 R0
Chapter 1
The pump is a positive displacement pump and provides consistent supply flow rate. An
accumulator is fitted to reduce the effect of pulsation caused by the pump. The fluid from the pump
flows through a flexible reinforced hose to a pressure relief valve which may be set between 7-70
bar and is sufficiently sized to allow full flow bypass if a downstream blockage occurs. During
normal operation, the fluid flows to the outlet via the outlet manifold. The outlet manifold is fitted
with both pressure and temperature gauges to provide operator feedback.
A complete flow diagram is provided in Appendix E - page 45.
Fig 1.1 WHE-3 Gauge Identification
1.3.3
Electrical System Overview
The WHE-03 electrical system comprises a 440 VAC power circuit and a 24 VDC control circuit.
The power circuit is the electrical supply for the heaters, pump motor and DC power supply unit.
The control circuit provides power supply to all control, indication and safety circuits.
The WHE-3 main panel operated with a 24 VDC control system. Ideally this should be supplied
directly from the WHE-3 unit, however it may utilize an independent supply if required. Terminals are
provided on the remote panel and in the WHE-3 main panel to facilitate installation and faultfinding.
D
ANGER
HIGH VOLTAGE – HIGH CURRENT
This is a high voltage / high current system and only trained,
competent personnel should attend to installation, service and
maintenance requirements. All relevant safety procedures must
be followed.
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