Table of Contents
Advertisement
Resetting an alarm manually
•
Press OK in the alarm display.
•
Press On/Off twice.
•
Activate a digital input DI 1 (Start/stop).
If it is not possible to reset an alarm, the reason may be that the
fault has not been remedied, or that the alarm has been locked.
14.2.3 Locked alarm
In case of a locked alarm, the CU331SP will stop the pump and
become locked. Pump operation cannot be resumed until the
cause of the locked alarm has been remedied and the alarm has
been reset.
Resetting a locked alarm
•
Switch off the power supply to the CU331SP for approx.
30 seconds. Switch on the power supply, and press OK in the
alarm display to reset the alarm.
14.3 Indicator lights
The table show the function of the indicator lights.
Indicator
Function
light
The pump is running or has been stopped by a
stop function.
On (green)
If flashing, the pump has been stopped by the
user (CU331SP menu), external start/stop or
bus.
The pump has been stopped with the On/Off
Off (orange)
button.
Alarm (red)
Indicates an alarm or a warning.
14.4 Signal relays
The table show the function of the signal relays.
Type
Relay 1
Relay 2
15. Technical data
15.1 Enclosure
All CU331SP enclosures are size B1. The enclosure rating can
be either IP 55 / TYPE 12 or IP 66 / TYPE 4X
Function
•
Pump running
•
Alarm
15.2 Main dimensions and weight
Fig. 24 Enclosure B1
1)
The dimensions are maximum height, width and depth.
Enclo-
Height
sure
[in]
A
a
18.9
17.9
B1
Screw holes [in]
c
d
0.47
0.75
15.3 Surroundings
Relative humidity
Ambient temperature
Average ambient temperature over 24 hours
Minimum ambient temperature at full
operation
Minimum ambient temperature at reduced
operation
Temperature during storage and
transportation
Storage duration
Maximum altitude above sea level without
performance reduction
Maximum altitude above sea level with
performance reduction
The CU331SP comes in a packaging which is not
Note
Note
suitable for outdoor storage.
15.4 Terminal tightening torques
Tightening torque [ft-lb]
Enclosure
Mains
B1
1.3
Width
Depth
[in]
[in]
B
b
C
9.5
8.3
10.2
Weight
[lbs]
e
f
0.35
0.35
50.7
5-95 % RH
Max. 122 °F
(50 °C)
Max. 113 °F
(45 °C)
32 °F (0 °C)
14 °F (-10 °C)
-13 to 150 °F
(-25 to 65 °C)
Max. 6 months
3280 ft (1000 m)
9840 ft (3000 m)
Motor
Earth
Relay
1.3
2.2
0.4
17
Hide quick links:
Advertisement
Table of Contents
