Data Sheet
Display
Accessory
Type EKA 166
For AK-PC 7xx controllers
Application:
This display can be used with AK-PC 710/AK-PC
781 compressor controllers.
Features:
The LEDs on the panel correspond to the
connected compressors and condensers.
There are LEDs for the following functions:
• Compressors
• Fans
• Speed control
• Optimisation
• Alarm
• Load limitation
• Heat recovery
• Injection is active
If a compressor is stopped because of a safety
cutout the corresponding LED will ash.
The optimisation LED will light up when the
regulation reference is 2 K or above the set
point.
AI000086415223en-000201
Features
Description
Power supply
From controller
Display operation
Display accuracy in measuring range: 0.1%
LED, three digits, control buttons
Electrical connection
Connector
Ambient conditions
-10 – 55 °C (operating)
-40 – 70 °C (transport)
20 – 80% RH, non condensing
No shock load or vibration
Mounting
Front panel
Enclosure
IP 65
Display, Accessory
Functions
The display shows P0 or Pc and the control loop status relative to the neutral zone.
During normal operation the light-emitting diodes in the display will indicate where regulation is taking place:
• Highest + second highest: ++Zone
• Second highest: Zone
• None: Neutral zone
• Second lowest: –Zone
• Lowest + second lowest: – – Zone
When the display shows the evaporation pressure the condensation pressure can be shown briey by pressing the
lowermost key.
Product specication
Technical data
Table 1: Technical data
© Danfoss | Climate Solutions | 2021.03 AI000086415223en-000201 | 2
Description
Type
Code no.
Display unit with control buttons and LEDs
EKA 166
084B8578
Connection to display unit (2 m with plug)
Qty 1
084B7298
24 ea.
084B7179
Connection to display unit (6 m with plug)
Qty 1
084B7299
24 ea.
084B7097
Connection to display unit (3 m with plug)
24 ea.
084B7099
Connection to display unit (9 m with plug)
24 ea.
084B7630
Display, Accessory
Mounting and Dimensions
Table 2: Mounting and Dimensions
Ordering
Table 3: Ordering
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