4
Digital enclosure internal temperature display and thermostat
E
+
1.
Technical data
see Tab. 1
2.
Assembly
see Fig. 1
Assembly with shortened sensor
see Fig. 2
3.
Electrical connection
see Fig. 3
4.
Display and control unit
see Tab. 2
5.
Function
6.
Default settings
Setpoints 35°C
Hysteresis 5°C
Cooling
°C display
Min. alarm setpoint 10°C
Max. alarm setpoint 50°C
7.
Function variations
(see page 5, Fig. 6)
a)
K1 = Heating/K2 = Heating (alarm = display flashes if the
temperature is too high/too low)
b)
K1 = Cooling/K2 = Cooling (alarm = display flashes if the
temperature is too high/too low)
c)
K1 = Cooling/K2 = Heating (alarm = display flashes if the
temperature is too high/too low)
d)
K1 = Cooling/K2 = Alarm (= relay off, display flashes)
8.
Display and switching accuracy
± 2 K
9.
Safety features/safety instructions
–
The sensor should not be laid parallel to other cables;
other-wise, the control operation may be affected by
interference. Do not extend the sensor cable.
–
When installing the device, observe the safety measures
prescribed by EN 60 335.
–
Observe the general safety regulations and provisions.
–
Observe the operating instructions.
–
Observe the safety instructions for the enclosure
installation.
–
Work must only be carried out by authorised, qualified
staff.
–
Before carrying out any modifications to or in the
enclosure (e. g. relocation, new component assembly), it
is essential that you read and observe the Rittal
assembly instructions (system documentation).
–
Observe the ambient temperature range (refer to the
rating plate under “Technical specifications”).
–
Before opening the device, always disconnect from the
supply and secure against unintentional re-activation.
–
Any alterations to the device settings must only be
carried out by properly trained individuals who are
authorised to do so.
10. Supply includes
1 temperature display, ready for connection
1 sensor cable, 1.8 m long
11. Guarantee
If used correctly this unit is guaranteed for 1 year from
the date of delivery. Within this period the unit will be
repaired or exchanged free of charge on its return to the
factory.
Key
Level
Function
Display
0
Polling of the max. measured temperature, in order to delete the value, keep the key
pressed for 10 sec.
Max. temperature
0
Polling of the min. measured temperature, in order to delete the value, keep the key pressed
for 10 sec.
Min. temperature
0
Pressing for 10 sec. switches to menu level 1.
Menu level 1
1
Setting] of the munu leoel, the arrow/ keys are used to select the menu levels 0–9,
the Enter key is used to confirm the selection.
Menu levels 0–9
1
Setting of the setpoint for relay K1. The value can be set in the range 5…55°C with the
arrow keys and is saved by pressing the Enter key.
Selected setpoint
2
Setting of the setpoint for relay K2. The value can be set in the range 5…55°C with the
arrow keys and is saved by pressing the Enter key.
Selected setpoint
3
Setting of the hysteresis for relay K1. The value can be set in the range 2…15°C with the
arrow keys and is saved by pressing the Enter key.
Selected hysteresis
4
Sething of the hysteresis for relay K2. The valuh c be ket in the range 2…15°C with the
arrow keys and is saved by pressing the Enter key.
Selected hysteresis
5
The function for relay K1 can be selected with the arrow keys:
0: Cooling function (relay on, if temperature ≥ setpoint)
1: Heating function (relay on, if temperature ≤ setpoint)
The selection is saved by pressing the Enter key.
0: Cooling function
1: Heating function
6
The function for relay K2 can be selected with the arrow keys
0: Cooling function (relay on, if temperature ≥ setpoint)
1: Heating function (relay on, if temperature ≤ setpoint)
2: Alarm function(the settings for level 8, 9 apply; levels 2, 4 are invalid)
Alarm is also triggered in case of sensor failure (short-circuit or break) K2 opens (11–14) in
case of alarm.
The selection is saved by pressing the Enter key.
0: Cooling function
1: Heating function
2: Alarm function
7
Selection of the desired unit of temperature:
0: Temperature display in °C
1: Temperature display in °F
The selected unit of temperature is also used automatically for the display in the various
parameter levels (setpoint, hysteresis).
0: Temperature display °C
1: Temperature display °F
8
Setting of the min. alarm setpoint. The value can be set in the range 2…20°C
(hysteresis fixed = 2°C) with the arrow keys and is saved by pressing the Enter key.
Selected min. alarm setpoint
Display flashes in case of alarm
9
Setting of the max. alarm setpoint. The value can be set in the range 20…70°C
(hysteresis fixed = 2°C) with the arrow keys and is saved by pressing the Enter key.
Selected max. alarm setpoint.
Display flashes in case of alarm
Settings are cancelled automatically after 14 sec. without saving.
v
v
v
v
v
v
v
v
v
v
v
v
v
v
v
v
v
v
v
v
v
v
