Danfoss EKE User Manual

© Danfoss | Climate solutions | 2023.07
Dimension
BAT -BAT +
B2 B1 A2 A1 B2 B1 A2 A1 B- A+ GND
Valve A
Valve B
MODBUS
-/AC +/ACPE
+SV
+SV
DO
PeA
PeB
S2A
S2B
D11
D12
Power
EXT-GND GND GND GND GND GND GND
GND
70 mm
110 mm
BA
BA
BA
BA
BA
B
BA
BA
BA
BA
B
BA
BA
BA
BA
BA
A
BA
BA
BA
A
BA
BA
BA
BA
BA
BA
B
BA
BA
BA
BA
A
BA
BA
A
BA
BA
A
BA
B
BA
B
BA
A
BA
BA
A
BA
A
A
BA
BA
BA
B
BA
A
B
BA
BA
B
BA
BA
A
A
BA
BA
T
T
T
T
T
T
T
T
T
T T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
-
-
-
-
BABA
BA
BA
BA
BA
B
BA
BA
BA
BA
BA
BA
BA
BA
BA
BA
BA
BA
A
BA
BA
BA
BA
B
BA
A
BA
BA
BA
BA
BA
A
BA
BA
BA
BA
BA
BA
BA
BA
BA
A
A
BA
B
BA
BA
BA
BA
BA
A
A
BA
A
BA
BA
B
B
B
A
A
B
B
B
BA
B
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
+
+
+
+
+
+
+
+
+
+
+
+
+
B2
B2
B
B
B
B
B
B2
B2
B2
B
B
B
B
B
B2
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B1
B1B1
B1
B
B
B
B1
B1
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
1
1
B1
B
B
B
B1
B
B
B1
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
A2
A2
A2
A2
A2
A2
A2
2
A2
A2
A2
A2
A2
A2
A2
A2
A2
A2
A2
A2
A2
2
2
A2
A2
A2
A2
2
A2
2
2
2
A2
A2
A2
A2
A2
2
A2
A2
A2
2
A2
2
A
A
2
2
A2
2
2
2
A2
A2
A
2
A
A
A2
2
A1A1A1
A
1
1
1
1
1
1
1
1
1
1
1
1
1
A1
A1
1
1
1
1
1
1
1
1
A1
1
1
1
1
1
1
1
1
1
1
1
1
B2
B2
B
B2
B2
B2
B2
B2
B2
B2
B2
B2
B
B2
B2
B2
B2
B2
B2
B
B2
B2
B2
B2
B2
B2
B2
B2
B2
B2
2
B2
2
B2
B2
B2
B2
B2
B2
B2
2
B
B2
B
B2
B2
B2
2
B2
B2
B
B
2
B2
B2
B2
2
B2
B
B
B
B
B1
B1
B1
1
1
1
B1
1
1
1
1
B1
B1
1
B
1
1
1
1
1
1
1
1
1
B1
1
1
B
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
A2
A2
A2
2
2
2
2
2
A2
2
2
2
A2
A2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
A1
A1A1
1
A1
A1
B
B
B
B
B
B
B-
B-
B-
B
B
B
B-
B-
B-
B
B
B
B
B
B
B
B
B
B-
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
A+A+
A+
A+
A+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
A+
+
+
+
+
+
+
+
+
+
+
A
+
+
+
+
+
+
+
GNGNGN
G
GN
GN
GN
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
Va
Va
Va
Va
Va
V
Va
V
Va
V
V
Va
Va
Va
V
v
lv
lv
v
lv
lv
v
lv
lv
lv
v
lv
e
e
e
e
e
e
e
e
e
e
e
A
A
A
A
A
A
A
A
A
A
A
VaVa
Va
Va
Va
Va
Va
Va
V
Va
a
Va
Va
Va
Va
Va
Va
Va
Va
Va
lv
lv
lv
lv
v
lv
l
v
v
v
lv
v
v
lv
lv
v
v
lv
v
e
e
e
e
e
e
e
e
e
e
e
e
e
e
e
e
e
e
e
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
MOMOMO
MO
MO
MO
M
M
MO
MO
MO
MO
M
DB
D
DB
DB
D
DB
DB
D
DB
DB
DB
DB
US
USUS
US
S
US
US
US
U
US
US
-/A
-/A
-/A
-/A
A
-/A
A
/A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
CC
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
+/A+/A
A
A
A
A
A
A
A
A
A
A
A
A
+/A
+/A
A
A
A
A
A
+/A
A
A
A
A
A
A
A
A
A
+/A
A
A
A
A
A
A
A
A
A
A
A
A
A
C
C
C
C
C
C
CC
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
P
P
P
P
P
PE
PE
PE
PE
P
P
P
P
P
P
PE
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
+SV+SV
+SV
+SV
+
S
+S
+S
+S
+
+
+
+S
+S
+S
+
+
+
S
+
+
+S
+S
+S
+
+
+
+S
+
+
S
S
+S
+
+S
+
S
S
S
S
S
+SV
+SV
+SV
+SV
+SV
+S
+S
+S
+
+
+
+S
+
+
+
+
+S
+S
S
+S
+
+S
+
+
+S
+S
+
+
S
S
+S
S
+
+
+S
S
S
S
S
S
DODODO
DO
DO
DO
DO
DO
DO
DO
D
DO
O
DO
D
DO
D
D
D
DO
DO
O
O
O
O
O
DO
DO
O
O
O
DO
O
O
PeA
PeA
PeA
PeA
PeA
P
PeA
P
P
PeA
PeA
P
PeA
P
P
PeA
P
PeA
eA
A
P
P
PeA
P
P
PeA
P
P
P
P
A
PeA
P
PeA
e
PeBPeBPeBPeB
e
e
e
e
eB
e
e
PeB
eB
Pe
e
e
e
e
e
eB
B
B
B
B
S2AS2A
S2A
S2A
S2A
A
S2A
2A
2A
2
2
2
2A
2
2
2A
A
2A
2A
A
2
2
2A
2A
2A
2
2A
2A
2
A
A
A
2A
2
2
2A
A
A
A
S2B
S2B
S2BS2B
S2B
B
S2
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
D11
D11
D11
D11
1
11
11
11
11
11
1
1
1
1
1
11
11
11
1
1
1
1
11
11
11
1
1
1
1
D12
D12
D12
D12
D12
D12
D
D1
D
D
D
D
D
D
D
D1
D1
D
1
D1
D1
D1
D
D1
D1
D
D
D1
D
D1
D1
1
1
D1
D1
D
D
1
1
D1
D
D
D
D
1
D
D
D
D
D
Pow
Pow
Pow
Pow
Pow
Pow
Po
Po
Po
Po
Po
P
Po
Po
Po
P
P
Po
P
Po
o
P
P
P
Po
Po
Po
P
Po
Po
o
P
P
Po
Po
o
Po
P
P
P
P
o
er
er
er
er
r
EXT
EXT
EXTEXT
EXT
EXT
EX
EXT
EXT
T
EXT
EXT
EXT
EXT
XT
EXT
EXT
EXT
EX
EXT
XT
EXT
T
EXT
EXT
EXT
EXT
X
EXT
EXT
XT
EXT
EXT
EXT
EXT
XT
X
EXT
EXT
X
EXT
X
EXT
EXT
T
X
XT
EXT
X
XT
E
EXT
X
EX
T
XT
X
X
E
X
X
E
E
X
E
X
-GN-GN
-GN
-GN
-GN
-GN
GN
-GN
-GN
-GN
-GN
-GN
GN
GN
GN
-GN
-GN
-GN
GN
-GN
-GN
-GN
-G
-GN
G
G
GN
-G
G
-GN
G
GN
-GN
-GN
GN
GN
-GN
-GN
GN
-GN
GN
-GN
G
G
-GN
GN
G
-GN
N
-GN
G
G
-G
G
G
G
G
G
G
DD
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
GND
GND
GND
GND
GND
GND
ND
GN
GN
GND
GND
GND
GND
GND
GND
GN
GND
GND
GND
GN
GND
ND
GND
ND
GND
GND
D
GND
GND
GND
GND
GND
GND
GND
N
N
N
ND
ND
GND
GND
GND
GND
GND
ND
GND
ND
GND
ND
GND
GND
D
GND
GND
GND
ND
GN
D
N
D
D
G
N
G
GNDGND
GND
GND
GND
GND
GN
GND
GND
GND
GND
GND
GND
GND
GND
G
GND
GND
GND
GND
GN
GN
ND
GND
GND
GND
GN
G
GND
GND
GND
GND
GN
GN
ND
GND
GN
N
D
GND
GND
GND
N
GND
GND
G
GN
GN
N
GND
GND
GND
G
GND
GN
D
D
N
G
GN
N
N
N
G
G
D
D
G
GNDGND
GN
GND
GND
GND
GND
GN
GN
GND
GND
GND
GND
GND
GND
ND
GND
GND
GN
GND
GN
N
GND
GND
GND
GN
GND
GN
GND
GND
GND
GND
ND
ND
GN
D
GND
GND
GND
GND
N
GND
D
GND
GN
GN
GND
GND
GND
ND
GND
D
GND
G
N
GN
GND
D
GN
N
GN
G
N
G
D
GND
GND
GND
GND
GND
GND
D
GND
GND
ND
GND
GND
GND
GND
N
GND
ND
GND
D
GND
ND
ND
ND
GND
GN
GND
ND
ND
ND
ND
GND
ND
D
GND
ND
GND
N
GND
GND
N
N
GND
G
GND
GND
GN
D
D
ND
G
GND
D
GN
D
N
D
GNDGND
D
GND
ND
GND
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
GND
GND
GND
GND
GND
GND
G
GND
GND
GND
GND
GND
GND
G
GND
GND
ND
D
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
ND
ND
GND
G
GND
GND
GND
GND
G
G
GND
GND
G
GND
G
ND
GND
D
D
G
GND
ND
GND
D
G
D
D
D
G
N
G
N
GNDGNDGND
ND
GND
GND
G
G
GN
GN
GND
GND
N
GND
GND
GND
GN
GND
GN
GN
GN
ND
GND
GN
GND
N
GND
G
GND
GND
GND
G
N
GN
GN
N
ND
GN
GND
GN
N
N
GN
GND
N
N
GN
G
N
N
ND
ND
N
ND
ND
D
N
ND
N
ND
N
N
D
70 mm
110 mm
BAT -BAT +
-/AC +/ACPE
+SV
+SV
DO
PeA
PeB
S2A
S2B
D11
D12
B2 B1 A2 A1 B2 B1 A2 A1 B- A+ GND
Valve A
Power
EXT-GND GND GND GND GND GND GND
GND
Valve B
MODBUS
70 mm
110 mm
BA
BA
BA
BA
BA
BA
BA
BA
B
BA
BA
BA
BA
BA
BA
BA
A
BA
BA
BA
BA
BA
BA
A
BA
BA
A
BA
B
BA
BA
BA
BA
BA
BA
BA
A
A
BA
B
B
BA
BA
BA
A
BA
BA
BA
A
A
A
B
A
A
BA
T
T
TT
T
T
T
T
TTT
T
T
-
-
-
-
-
-
-
BA
BA
BA
B
BA
BA
BA
BA
BA
B
BA
B
BA
BA
BA
BA
BA
BA
A
BA
BA
A
BA
A
BA
A
BA
BA
BA
B
BA
BA
BA
BA
BA
A
BA
A
A
B
B
BA
B
B
B
BA
B
A
A
B
B
BA
B
A
BA
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T T
T
T
T
T
T
T
T
T
T
T
T
+
+
+++
+
+
+
+
+
+
+
+
+
-/A-/A
-/A
-/A
-/A
-/A
-/A
-/A
-/A
/A
-/
A
A
A
A
A
A
A
A
A
A
A
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
+/A
+/A
+/A
+/A
+/A
+/A
+/A+/A
A
A
A
A
A
A
+/A
A
A
A
A
A
A
A
A
A
A
A
A
+/A
A
A
+/
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
P
P
P
P
P
P
P
PE
PE
PE
PE
PE
PE
PE
PE
PE
P
P
P
P
P
P
PE
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
+SV+SV
+SV
+SV
+SV
+SV
+SV
+S
+SV
+SV
+SV
+
+
+
+
+
+
+
+SV
+SV
+SV
+SV+SV+SV
+SV
+SV
+SV
+SV
+SV
+
+
DO
DO
DO
DO
DODODO
DO
DO
O
O
O
D
D
D
D
D
D
PeA
PeA
PeA
PeA
PeA
PeA
PeAPe A
PeA
PeA
PeA
A
A
A
A
A
PeB
PeB
PeBPeBPeB
PeB
P
PeB
P
PeBPeB
PeB
P
P
Pe
P
PeB
PeB
P
PeB
PeB
PeB
P
P
B
B
B
B
S2A
S2A
S2A
S2A
S2A
S2A
S2A
S2AS2A
S2A
S2A
S
S2A
S2A
S
2
2A
S2
S2
S
2
2
S2B
S2B
S2B
S2B
S2B
S2B
S2B
S2B
S2B
S2B
S2B
S
S
S2B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
D11D11
D11
D11D11D11
D11
D1
D11
D11
D1
D11
D
1
1
1
D1
D1
D11
D12D12
D12
D12
D12
D12
D12
D12
D12
D12
D12
D
D12
2
D
D
D
D
D
D
D
B2
B2
B2B2
B2
B2B2B2
B2
B
B2
2
B
B1
B1B1B1B1B1
B
B
B
B1
B1
B
B
B1
B
B1
B
B
1
B
B
B1
B1
B
B
B
B
B1
1
1
1
1
A2
A2
A2
A2
A2
A2
A
A2
A2
A2
A
A2
A
A2
A2
A2
A2
A2
A2
A2
A
A2
A2
A2
A2
2
A2
A2
A
A2
2
A2
A2
A2
A
A2
A2
A
A2
2
A2
2
2
2
2
2
A2
A
A
A1A1
A1
A1A1
A1
A1
A
A1
A1
A
A1
1
A1
A1
A1
A1
A1
A1
A1
A
1
A1
A1
A
A
A
A1
1
1
1
A1
A1
A
A1
1
1
1
A
A1
1
1
A
1
1
1
1
A1
B2
B2
B2
B2
B
B2
B2B2B2
B
B2
B2
B2
B2
B2
B2
B2
B2
2
2
B2
B2
B2
B2
B2
B
B
B2
B2
B
B2
B2
B2
B
B
2
B
B
B
B2
B
B
B
B2
2
2
2
2
2
B1
B1B1B1
B1B1
B
B
B1
B1
1
B1
1
B1
B1
B
B1
B1
1
1
1
1
1
1
1
1
B1
B1
1
1
1
B
1
B
1
A2A2A2
A2
A2
A2
2
2
2
2
2
2
A2
A2
A2
2
2
A2
2
2
2
2
2
2
2
2
2
2
2
2
A2
A1
A1
A1
A1
A1
A1
A1
A1
A1
A1
A1
A
B-
B-B-B-B-B-B-B-
B-
B-
B-
A+
A+
A+A+
A+
A+
A+
A+
A+
A
A+
A
+
A+
+
A+
A+
A+
A+
A+
A+
A+
A
A+
A
A+
+
A
+
A+
+
+
A
A
A+
A
A
A
GN
GN
GNGN
GN
GN
GN
GN
GN
GN
GN
N
DD
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
VaVa
Va
VaVa
Va
Va
Va
Va
Va
V
V
V
Va
Va
V
Va
Va
a
Va
Va
Va
Va
Va
Va
Va
Va
Va
Va
V
Va
V
Va
Va
lvlvlvlv
v
lv
lv
lv
lv
lv
v
lv
lv
lv
v
v
lv
lv
lv
l
lv
lv
lv
lv
v
lv
lv
lv
lv
v
v
v
ee
e
e
e
e
e
e
e
e
e
e
e
e
e
e
e
e
e
e
e
e
e
e
e
e
A
AAAA
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
Pow
Pow
Pow
P
P
Pow
Pow
Pow
Pow
Pow
Pow
Pow
Pow
Po
P
P
Po
P
Po
Po
P
Po
Po
P
P
P
Po
P
o
o
o
P
P
P
P
o
o
P
P
er
er
er
er
er
er
er
er
er
r
EXTEXT
EXT
EXT
EXT
EXT
EXT
EXT
EXT
EXT
EXT
EXT
T
EXT
EXT
EXT
X
XT
XT
X
XT
XT
XT
T
EXT
EXT
EXT
EXT
EXT
EXT
EXT
X
EXT
EXT
EXT
EXT
EXT
XT
EXT
EXT
EXT
EXT
EX
X
T
T
E
XT
T
E
EXT
E
E
XT
-GN
-GN
-GN
-GN
-GN
-GN
-GN
-GN
-G
-GN
-GN
G
-GN
-GN
-GN
-GN
-GN
-GN
GN
G
-G
GN
G
-G
-G
-G
-GN
GN
N
-GN
-GN
-GN
GN
-GN
-GN
-GN
-GN
-GN
-GN
-GN
-GN
-GN
G
GN
G
-GN
GN
N
-
-GN
N
GN
G
N
G
G
GN
G
D
D
D
D
D
D
D
D
D
D
GNDGNDGNDGND
GN
GNDGNDGND
GND
GND
GND
GND
GND
N
GND
ND
N
G
GN
G
GND
N
GND
N
GN
GND
N
GND
G
GND
GND
GND
GND
GND
N
GN
GND
N
GN
G
G
GND
GN
GND
GN
GND
GND
GND
G
GND
GN
GND
GND
GND
GND
D
G
GNDGNDGNDGNDGNDGND
GND
GND
ND
GND
GND
GND
GND
GND
GND
ND
GND
GN
GND
GND
GND
GN
GND
ND
GND
N
N
GND
ND
GND
GND
GND
GND
GNDGND
G
N
GND
GND
GND
N
GND
D
GND
GN
G
ND
N
N
GND
ND
GND
GND
G
N
G
G
G
G
GND
GND
GND
GNDGNDGND
GND
GND
GND
GND
GND
GND
GND
GND
GND
ND
GND
GND
GND
G
GND
GND
GN
GN
ND
ND
GND
D
GND
GND
GN
GND
GND
GND
GND
GN
GND
ND
GND
GND
D
GND
ND
GND
GN
G
ND
GND
G
ND
GND
GND
GND
GN
G
G
GND
GND
GND
GNDGND
GND
GND
GND
GND
GN
GND
GND
GND
GND
GND
GND
GND
GN
GND
G
GND
GND
GND
GN
N
GN
N
ND
GND
GND
GN
GND
GND
GND
GND
N
GND
ND
GND
GN
GND
GND
GND
G
N
GN
GN
GN
ND
GND
G
GN
N
ND
N
N
N
G
N
G
GND
GNDGNDGNDGNDGND
GND
GND
GND
GND
GND
ND
D
D
ND
D
ND
ND
N
N
D
N
D
D
ND
ND
D
N
N
ND
ND
ND
ND
ND
ND
ND
D
ND
ND
N
ND
ND
ND
ND
ND
D
ND
ND
ND
N
N
N
D
ND
D
G
N
G
N
N
N
N
N
D
N
GNDGND
GND
GNDGND
GND
GND
GND
GND
GND
GND
GND
D
GND
GND
GND
G
GND
GND
D
GND
D
GND
GND
GND
GND
GND
GND
GND
GND
D
GND
GND
GND
GND
ND
GND
D
D
GN
GND
GND
GN
GN
N
G
GN
G
G
G
D
GNDGNDGND
GND
GND
GND
GND
GND
GND
GND
G
G
GN
GND
GND
GND
GND
GND
GND
G
GND
GND
GND
GND
G
GND
ND
ND
G
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
G
ND
GND
D
G
G
ND
N
G
N
ND
D
N
D
D
G
VaVaVa
Va
Va
Va
Va
Va
Va
Va
V
V
a
Va
Va
Va
Va
V
Va
Va
Va
Va
a
Va
Va
Va
Va
Va
Va
Va
V
Va
Va
lv
lvlv
lv
lvlv
lv
lv
lv
lv
v
l
lv
lv
l
lv
lv
lv
lv
lv
lv
lv
lv
lv
lv
v
v
v
lv
lv
lv
v
v
e
ee
e
e
e
e
e
e
e
e
e
e
e
e
e
e
e
e
e
e
e
e
e
e
e
e
BB
BB
BB
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
MO
MO
MO
MO
MO
MO
MO
MO
MO
MO
MO
O
MO
MO
MO
MO
O
MO
O
MO
O
MO
MO
M
M
MO
MO
M
M
MO
M
MO
M
M
MO
MO
DB
DB
DB
DB
DB
DB
DB
DB
DB
D
DB
B
DB
D
DB
DB
DB
DB
DB
DB
DB
B
DB
DB
DB
DB
DB
DB
B
DB
DB
DB
DB
DB
B
USUSUSUS
US
US
US
US
US
S
S
US
US
US
US
US
U
US
U
US
US
US
US
US
US
US
S
S
US
US
US
US
US
Height : 49 mm
Height : 49.5 mm
Height : 44 mm
AN433741508202en-000203 | 2

Danfoss EKE Specifications

General

Category	Industrial Equipment
Supply voltage	24 V AC/DC
Enclosure rating	IP20
Mounting	DIN rail
Type	Electronic Controller
Communication	Yes
Input	Temperature Sensor