Collective Fault Signal; Operation; General Functions - Pfannenberg DTS 6X1E Serie Mode D'emploi

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3.5.7

Collective fault signal

• Two connections are provided for connection of the collective fault signal. They are marked with the item
designation SK; see
• The fault signaling contact is potential-free .
 Ensure that the contact is loaded with a maximum of 230V, 1 A.
4

Operation

4.1

General functions

NOTE
Danger of damage to the cooling unit
Operation without the unit cover prevents the adequate supply of air to the condenser and limits the intended
heating function.
 Only operate the cooling unit with the unit cover installed.
The X-Series (XC) Premium Controller has a control panel with a green LED light (1). If an error occurs, the green
LED light (1) blinks and various system information is displayed in the LCD (5); see
• If assembly and installation work are completed, switch on the power supply to the cooling unit.
• The cooling unit starts its operation and the LED light (1) illuminates green continuously.
• After the supply voltage has been connected and the door is closed, the units run continuously.
 Exception: Cooling unit with anti-freeze option.
• The LCD (5) displays the current operating statuses; see
• The cooling unit (2) is equipped with an electronic control unit. An internal temperature sensor (4) detects the
temperature of the air sucked in from the interior of the switch cabinet (3). If the upper or lower limit temperature
is exceeded or undercut, a fault indication is triggered.
• The green LED light (1) blinks and the LCD (5) displays the error number with temperature (°C/°F).
 The ambient conditions and switch cabinet interior temperatures must correspond to the prescribed technical
data; see Technical data.
 The ambient temperature must be less than 55°C; see
Operating Manual DTS and DTI 6X1E Premium Controller X-Series (XC) 086100104d © Pfannenberg GmbH
Electrical connection.
4
Figure 15 - Electronic control function
3
2
LCD display.
Air flow functional principle.
LCD display.
1
5
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