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14 Technical data
Installer reference guide
81
EWAQ+0 EK(2)CB
EKMB9W1
Packaged air-cooled water chillers and packaged air to water heat
pumps
4P492901-1 – 2017.06
English
Translation
Space C/H On/OFF output
Space cooling/heating On/OFF
output
Max. voltage
Maximum voltage
Max. load
Maximum load
Min. load
Minimum load
Ext. heat source
External heat source
Power limitation digital inputs: 5
V DC detection (voltage supplied
by PCB)
Power limitation digital inputs:
5 V DC detection (voltage
supplied by PCB)
External indoor ambient sensor
option
External indoor ambient sensor
option
Electric pulse meter inputs: 5 V
DC pulse detection (voltage
supplied by PCB)
Electric pulse meter inputs:
5 V DC pulse detection (voltage
supplied by PCB)
(2) Legend
(2) Legend
A4P
Extension PCB (control, optional)
R6T
*
External indoor ambient sensor
option
S1P
#
Digital power limitation input 1
S2P
#
Digital power limitation input 2
S3P
#
Digital power limitation input 3
S4P
#
Digital power limitation input 4
S5P-S6P
#
Electrical meters
X*A
Connector
X*M
Terminal strip
(3) Notes
(3) Notes
X1M
Main terminal
Earth wiring
15
Wire number 15
Field supply
1
Several wiring possibilities
Option
Wiring depending on model
Switch box
PCB
(4) Option switch box layout
(4) Option switch box layout
*:
Optional
#:
Field supply