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5. System Set-Up
PLEASE READ CAREFULLY BEFORE STARTING
WARNINGS:
1. The tube between the hydrogen pressure regulator and the fuel cell gas input is required to be less
than 30cm. The inner diameter of the hydrogen supply tube is required to be more than 3mm. The input
pressure to the stack is required to be 0.45-0.55Bar .
2. Disconnect the hydrogen tube from the hydrogen inlet immediately after the fuel cell stack is shut down.
Since hydrogen gas can leak into the fuel cell and destroy the stack.
3. The stack must be standing on the clear plastic feet.
4. Make sure the dry Hydrogen gas to be used must be ≥99.995% purity.
5. Make sure you have purged the water out of the stack as much as possible if you injected water into
the stack. Using the fuel cell stack with too much water inside can irreparably damage it!
6. Do not vibrate the stack when it is in operation.
7. Keep the stack in ventilation when it is in operation.
8. The external battery voltage is required to be 12-14V.
9. Keep the SCU always on. Only when it causes your load operating in difficulty, turn off the SCU.
10. The tube between stack output and purging valve is required to be less than 20cm. The tube
connected to the purging valve output is required to be less than 30cm. The inner diameter of the tube is
required to be more than 2mm.
STEP 1:
Connect the connectors of the controller and the stack to get the blower, the temperature sensor,
the hydrogen supply valve and the purge valve under control. The finished connection is shown in
1B.
Controller connector
Wire colours
Connector pin #
Blue
Yellow
Red and Black
Red
Manual_FCS-C500_V1.1_EN
1A
Periferals controlled
#1 & #5
Hydrogen purge valve
#2 & #6
Hydrogen supply valve
#3 & #7
Blowers (Red= +ve, Black= -ve)
#4 & #8
Temperature Sensor
1B
1
2
3
4
5
6
7
8
13
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