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User manual
Electronic superheat controller
Type EKC 312
Features
DKRCC.PS.R1.A3.02 / 520H9752
y The evaporator is charged optimally – even
when there are great variations of load and
suction pressure.
y Energy savings – the adaptive regulation of
the refrigerant injection ensures optimum
utilisation of the evaporator and hence a high
suction pressure.
The controller and valve can be used where
there are requirements to accurate control of
superheat in connection with refrigeration.
• Processing plant (water chillers)
• Cold store (air coolers)
• A/C plant
y The superheating is regulated to the lowest
possible value.
Summary of Contents for Danfoss EKC 312
Manual
Data
24 V AC +/-15% 50/60 Hz, 10 V A
Supply voltage
(the supply voltage is galvanically sepa-
rated from the input and output signals)
Controller
Power consumption
ETS step motor
Press. transmitter
Input signal
Digital input from external contact func-
tion
Sensor input
2 pcs. Pt1000 ohm
Alarm relay
1 pcs. SPST
Step motor output
Pulsating 100 mA
Possible to connect a data
Data communication
communication module
-10 – 55 °C, During operation
-40 – 70 °C, During transport
Ambient
temperature
20 – 80% Rh, not condensed
No shock influence/vibrations
Enclosure
IP 20
Weight
300 g
Mounting
DIN rail
Display
LED, 3 digits
EU Low Voltage Directive and EMC
demands re CE-marking complied with.
LVD-tested acc. to EN 60730-1
Approvals
and EN 60730-2-9
EMC-tested acc. to EN50081-1
and EN 50082-2
Connections
Necessary connections
Terminals:
25-26 Supply voltage 24 V AC.
21-24 Supply to step motor
18-19 Pt1000 sensor at evaporator outlet (S2)
14-15 Pressure transmitter type AKS 33
1-2
Switch function for start/stop of regulation. If a switch is
not connected, terminals 1 and 2 must be shortcircuited.
Application dependent connections
Terminal:
18-20 Pt1000 sensor for measuring air temperature (S4)
12-13 Alarm relay
There is connection between 12 and 13 in alarm situa tions
and when the controller is dead
3-4
Data communication
Mount only, if a data communication module has been
mounted.
It is important that the installation of the data communi-
cation cable be done correctly. Cf. separate literature No.
RC8AC…
4
Electronic superheat controller, type EKC 312
5 V A
1,3 V A
4-20 mA from AKS 33
AC-1: 4 A (ohmic)
AC-15: 3 A (inductive)
DKRCC.PS.R1.A3.02 / 520H9752
Ordering
Type
Function
EKC 312
Superheat controller
Data communication module (accessories),
EKA 173
(FTT 10 module)
Data communication module (accessories),
EKA 175
(RS 485 module)
Data communication module (accessories),
EKA 174
(RS 485 module) with galvanic separation
Temperature sensor Pt 1000 ohm / Pressure transmitter type AKS 33: Kindly refer to catalogue
RK0YG ETS valves: Kindly refer to data sheet RD1TA
Data communication
< ————— max. 5 m —————>
Code No.
084B7250
084B7092
084B8679
084B7124
© Danfoss A/S (DCS-IMCGPD/sw), 2015-03
Danfoss серия EKC — холодильные контроллеры Danfoss | Управление Холодом
EKD 312 – Контроллеры испарителя
Внимание
Распродажа остатков, для уточнения наличия и заказа обращайтесь на почту: info@sibagregat.ru
EKC 312 является контроллером работы испарителей в чиллерах охлаждения воды. Контроллер и клапан могут использоваться там, где есть требования для точного контроля перегрева и температуры, например: • чиллеры для воды • Холодильные камеры (воздухоохладители). • Кондиционеры. EKC 312 управляет перегревом в испарителе с помощью датчика давления типа AKS 33 и датчика температуры (Pt 1000 Ом). Расширительный клапан имеет шаговый двигатель типа ETS.
Купить контроллер испарителя EKC 312 Для ETS Danfoss 084B7250, можно в нашей компании. Получить консультацию о подборе, доставке и монтажу можно в офисе нашей компании, либо по бесплатному телефону: 8-800-500-40-63 или e-mail:info@sibagregat.ru
| Марка | Adap-Kool |
| Напряжение питания, в | 24 |
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