MRP4 / MRP5 / MRP6
P. 3 / 8
EM-4824 Rev.7
COMPONENT IDENTIFICATION
Power Input PCB
(for AC power)
Insulation Barrier
Control PCB
Motor
Potentiometer
Connector
O-Ring
Cable
Cable Connector
Output Stem
0
25
Power Input PCB (for AC power)
Insulation Barrier
Control PCB
Motor
Potentiometer
Manual Operation Stem
Gasket
Cable
Cable Connector
Output Stem
Position Indicator
Figure 1. MRP4 & MRP5 Component Identification
Figure 2. MRP6 Component Identification
Remark: Construction of the MRP5 is partly different from
the above figure.
OFF
1
2
3
4
ON
PWR
INP ALM
DLY
ZERO SPAN DZ
Insulation Barrier
Fuse
Connector
SW1
ZERO
SPAN
DZ
DLY
SW1
PWR
INP
ALM
: Zero Adjustment
: Span Adjustment
: Deadband Adjustment
: Restarting Timer
: Direct/Reverse Actions,
Operation at Abnormally Low Input
: Power Indicator (green with power supplied)
: Input Indicator (green with input applied)
: Status Indicator (red blinks in 2 sec. intervals,
blinks in 0.5 sec. intervals with mechanical lock detected)
Remark: Turning adjustment potentiom-
eters and switches with a torque exceed-
ing their tolerance may destroy their stop-
pers.
Turn them carefully and stop where they
hit the stoppers. Be careful especially
with Re-starting timer adjustment.
Figure 3. MRP Control PCB Identification
Remark: MRP6 is equipped with manual operation stem
and position indicator. Turn the stem in counterclockwise
as viewed from the top of the actuator to close the valve
(reverse action). Turn it slowly with a 6mm-width wrench
(Operation torque ≤9 N
·
m).
Rugghölzli 2
CH - 5453 Busslingen
Tel. +41 (0)56 222 38 18
Fax +41 (0)56 222 10 12
www.sentronic.com
Produkte, Support und Service
SENTRONIC
AG
