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series
SEK
EEV Kit
Installation Guide
Part Ⅰ : Components of SEK kit
Controller
Items
Dimension
Power supply
Power consumption
Operation
Storage
Protection level
LPF and Coil with 3m cable length:
Items
Rated voltage
Excitation mode
Excitation rate
Current and resistance
Medium temp.
Ambient temp.
Relative humidity
Design Pressure
MOPD
Pressure transducer and Packard cable with 2m length:
Items
Voltage supply
Output
Pressure range
Test Pressure
Accuracy
Protection class
Connection Type
Electrical connector
Copyright ©SANHUA 2023
Subject to change without notice
Description
87(W)mm x 114(H)mm x 30 (D)mm
24Vdc +10%/-15% Class II
9W with LPF at 24VDC
-30~55
o
C
95%RH
，Humidity≤
-30~55
o
C
95%RH
，Humidity≤
IP20
Description
12Vdc (± 10%)
1-2 phase excitation,
uni-polar–500stps
30 - 90pps for LPF08~32
30-40 pps for LPF45~62
260mA, 46 ± 3.7 Ω/phase(20°C)
-40°C / +70°C (duty cycle
-40°C / +60°C for LPF08~32
-30°C / +60°C for LPF45~62
0 to 95% RH
42 bar for LPF 08~32
49 bar for LPF 45~62
35 bar
Description
10-30Vdc
4-20mA
-1~12 Bar
52.5Bar
±0.8% F.S.(-40~+40°C)
IP 67
Flare 1/4" SAE - 7/16-20UNF
Packard connector
40%)
≤
1 / 9
II-
SEK-EN-2307
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Summary of Contents for Sanhua SEK Series
- Page 1 10-30Vdc Output 4-20mA Pressure range -1~12 Bar Test Pressure 52.5Bar ±0.8% F.S.(-40~+40°C) Accuracy Protection class IP 67 Connection Type Flare 1/4" SAE - 7/16-20UNF Electrical connector Packard connector Copyright ©SANHUA 2023 1 / 9 SEK-EN-2307 Subject to change without notice...
- Page 2 Part Ⅱ : Components installation 1. System installation location We recommend to install temp. and pressure sensors within 0.5m from the evaporator to prevent ambient temperature and pressure drop interference SH calculation. Copyright ©SANHUA 2023 2 / 9 SEK-EN-2307 Subject to change without notice...
- Page 3 4. Install the coil on the valve body. Whirling the coil to fix it correctly. 3. Install guide for YCQC series pressure transmitter Pos. A YCQC02L18 Pos. B Pressure (bar) Copyright ©SANHUA 2023 3 / 9 SEK-EN-2307 Subject to change without notice...
- Page 4 1. (Pos. A): Pressure measure for liquid, tapping point should be at the side, near the bottom of the pipe. (Pos. B): Pressure measure for gas, tapping point should be at the top so that no condensate will reach the sensor. 4. Install guide for SEC series controller Copyright ©SANHUA 2023 4 / 9 SEK-EN-2307...
- Page 5 ④ If you use a transformer, please ensure the minimum power is 9W (for 1 controller + 1 EEV). ⑤ Min/max wire diameter: 0.08mm²~1.3 mm² 2. Wire connection Pluggable terminal XHP terminal Copyright ©SANHUA 2023 5 / 9 SEK-EN-2307 Subject to change without notice...
- Page 6 Compressor when using manual mode Pluggable signal and terminal comm. port RS485 TRX-(B) TRX+(A) Normal Open contact Auxiliary relay AUX-RLY common output Normal Close contact Copyright ©SANHUA 2023 6 / 9 SEK-EN-2307 Subject to change without notice...
- Page 7 1-2 phase, 500 steps, 30pps for LPF 2. Control method selecting DIP SW position Description Schematic -DIP SW1: OFF, DIP SW4: OFF -Superheat control (Default mode) -Temp./pressure signal ensures system SH stable Copyright ©SANHUA 2023 7 / 9 SEK-EN-2307 Subject to change without notice...
- Page 8 Flickering at communication Enter the parameter setting interface / return parameter list Switch screen display parameters, increase/decrease parameters Confirm key, parameter switch in parameter table, long press save parameter Copyright ©SANHUA 2023 8 / 9 SEK-EN-2307 Subject to change without notice...
- Page 9 RUN signal is disconnected. For more details about parameter please refer to the complete SEC controller manual available on our website. Copyright ©SANHUA 2023 9 / 9 SEK-EN-2307 Subject to change without notice...
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