1
GENERAL SAFETY INSTRUCTIONS
To ensure that the device functions correctly, and will have a long service life,
please comply with the information in these Operating Instructions, as well as
the application conditions and permissible data specified in the data sheets of
the proportional valves used and of the Type 8625 regulator:
•
When planning the application of the device, and during its operation,
observe the general technical rules!
•
Work on the device should only be carried out by specialist staff using the
correct tools!
•
Observe the relevant accident prevention and safety regulations applicable
for electrical equipment throughout the operation, maintenance and repair of
the device!
•
Always switch off the voltage supply before working on the system!
•
Take suitable measures to prevent unintentional operation or impermissible
impairment.
•
If these instructions are ignored, no liability will be accepted from our side,
and the guarantee on the device and on accessories will become invalid!
NOTE
2
FUNCTION
The Type 8625 controller is used in conjunction with proportional valves to
control the mixing temperature of two media with different temperatures. The
compact construction of the device makes possible direct installation on the
proportional valve.
•
Suitable for valve types 6022, 6023, 6223, 2832 and 2834
•
Temperature controller with adjustable PI regulation
•
Measurement of the temperature using a Pt 100 sensor
•
Direct control of a proportional valve
•
Calibration
•
Default set-value for standard 4-20 mA signal
•
Heating / cooling
NOTE
24
Approvals such as Ex, UL, UR, CSA, DVGW etc., will be
indicated on the rating plate, or by a special label.
The Type 8625 Temperature Controller can be operated with or
without the Type 8625-B Control Unit.
The Control Unit is used for displays and for programming the
temperature controller
Type 8625