0000101010/141119/2 PCU-1000/7500
EN - 3
PREFACE
Using this manual
Pictograms and symbols
The following pictograms and symbols are used in this manual:
TIP
Suggestions and recommendations to simplify
carrying out tasks and actions
ATTENTION
A remark with additional information for the user. A
remark brings possible problems to the user’s
attention.
CAUTION!
Procedures, if not carried out with the necessary
caution, could damage the product, the workshop or
the environment.
CAUTION
Denotes risk of electric shock.
WARNING!
Fire hazard! Important warning to prevent fire.
WARNING!
Explosion hazard! Important warning to prevent
explosions.
Personal protective equipment (PPE)
Instruction to use respiratory protection when you
do service, maintenance and repair jobs, as well as
during functional testing. We recommend to use a
half-face respirator according to DIN EN 141/143,
protection class P3.
Personal protective equipment (PPE)
Instruction to use protective gloves when you do
service, maintenance and repair jobs.
Text indicators
Listings indicated by “-” (hyphen) concern enumerations.
Listings indicated by “•” (bullet point) describe steps to
perform.
Service and technical support
For information about specific adjustments, maintenance or
repair jobs which are not dealt with in this manual, please
contact the supplier of the product. He will always be willing to
help you. Make sure you have the following specifications at
hand:
- product name
- serial number
You can find these data on the identification plate.
Product indications
Unless specifically stated, the contents of this manual applies
to the PCU-1000/7500.
1
INTRODUCTION
1.1
Identification of the product
The identification plate contains, among other things, the
following data:
- product name
- serial number
- supply voltage and frequency
1.2
General description
PCU-1000/7500 is an energy saving control unit, which
together with pressure sensor PC-500, makes a fully automatic
system for the control of a vehicle exhaust fan.
ATTENTION
The control unit, PCU-1000/7500, is delivered
without cable for supply connection, PC-500 and
motor overload. The control unit must be provided
with relevant motor overload for the exhaust fan.
1.3
Technical specifications
PCU-1000
Supply
AC-3 alternative AC-1
Internal supply
voltage
24 AC Secondary
External supply
voltage
120V, 208V, 230V,
380V, 460V, 575V
Power consumption
max. 75 W
Input
PC-500 or similar potential free switch
Outputs
Fan motor AC-3 alternative AC-1
Relay exit: normally open
Relay exit: normally closed
Note
: Relay exits may for example be
used at external supervision alarm
controls
Operating
Automatic
Fully automatic
start/stop of the
exhaust fan by
PC-500
Manual
Continuously
running the
exhaust fan
Stop
Manual stop of the
exhaust fan
Max. power
≤ 5.5 kW @ 400 V
Stop delay timer
range
7 seconds - 6 minutes
PCU-7500
Supply
AC-3 alternative AC-1
Internal supply
voltage
24 AC Secondary
External supply
voltage
120V, 208V, 230V,
380V, 460V, 575V
Power consumption
max. 75 W
Input
PC-500 or similar potential free switch
Outputs
Fan motor AC-3 alternative AC-1
Relay exit: normally open
Relay exit: normally closed
Note
: Relay exits may for example be
used at external supervision alarm
controls
