Matrix 0850 - Oil Cooler Unit; Working Mode of Cooler Unit Controller

0850/0850-T1 User Manual
Matrix Machine Tool (Coventry) Limited 197 / 231
Edition: 08/2013
1.1.1 Oil Cooler Unit
Before starting the oil cooler:
Is the power source, ground and alarm signal properly connected?
Is the oil level within the required range?
Is the viscosity of the oil within the range of 0.5 ~ 200 CST?
Does the cooler unit start simultaneously with the machine?
2.1.1 Working Mode Of Cooler Unit Controller
The cooler unit will start the temperature control based on the set value (displayed in SV °C) when
the power is on.
Temperature Control
Fixed Temperature Control: Keeps the temperature stable according to the value of SV °C.
Differential Temperature Control: Controls the temperature difference between liquid temperature
and basic temperature (ambient temperature or machine body temperature) according to the value
of SV °C.
Temperature Setting Range
Fixed temperature control: 10°C~40°C.
Differential temperature control: -10°C~+10°C.
Fig. 24.2.2a. — Temperature Display.
Temperature Display:
PV °C: Displays the current oil temperature or the current basic temperature (ambient or machine
body temperature).
SV °C: Displays the current set value.
Operation Lamp:
PUMP: Indicates if the mixing motor (optional) starts operating.
COOL: Indicates if cooling process starts.
WARM: Indicates if heater (optional) starts operating.