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EKE 1A
Danfoss EKE 1A User Manual
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Figur
e 25: Air to water heat pump cooling
Danf
oss
R64-3039.10
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Figur
e 24: Reversible Chiller Heating
S4
S3
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S3
S4
Danf
oss
R64-3030.10
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Reversible heat pump
© Danfoss | Climate Solutions | 2022.06
BC398828796060en-000101 | 23
Superheat controller
, T
ype EKE 1A, 1B, 1C, 1D
22
24
Table of Contents
Table of Contents
2
Introduction
4
Portfolio Overview
5
Installation
7
Environmental Conditions
7
Mounting
7
General Connection's Overview
7
Cabling Lengths for Different Connections
13
Connecting Relay Outputs
14
Temperature Sensor Mounting
15
Power and Signal Sharing
16
Sharing Power Sources
16
Sharing Input Signal
17
Sharing Pressure Sensor Signal
17
Applications
20
Controller Mode
20
Superheat Control Mode
20
Temperature Control Mode
20
Driver Mode
21
Typical EKE Applications
22
User Interface
26
Configuration Using MMI Display
26
MMIGRS2 Setup and Service
27
MMIGRS2 Main Screen
28
ERR31 Error Alarm on the External Display - MMIGRS2
30
Service Mode through MMIGRS2
30
Configuration Using Koolprog Software
31
Quick Configuration
38
Configuration
40
Driver Mode
40
Driver Mode Using Analog Signal
40
Driver Mode Using Communication Bus
40
Superheat Control Mode
41
Superheat Reference Calculation Parameters
42
Temperature Control Parameters
45
Offsetting Superheat, Temperature and OD Via External Signal
47
Compressor Feed Forward Function
49
Other Features and Modes
50
Startup and Defrost Modes
50
Protection Features
52
Manual Mode
57
Valve Configuration
58
Adding User Defined Refrigerant
60
Parameter List
61
Alarms and Troubleshooting
72
Alarms
72
Configuration Errors
72
Sensor Alarms/Errors
73
Stepper Alarms/Errors
74
Bus Alarms/Errors
74
Application Alarms
75
Thermostat Alarms
75
Stop State Alarm
76
Manual Mode Alarm
76
Troubleshooting
76
Appendix
81
Ordering
82
Certificates, Declarations, and Approvals
83
Online Support
84
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Danfoss EKE 1A Specifications
General
Brand
Danfoss
Model
EKE 1A
Category
Controller
Language
English
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