
05 06
04
Please note the distinction between the power line and signal line, wrong wiring will result
in damage to the drain pump and ensure consistent product identification voltage.
WARNING
6. Installation
1.Make sure the power is cut off
2.There are two inlet ports for choosing, one is above the pump another is on the right of the pump,
Please choose a suitable ports to connect. The size of inlet port is O.D.20MM
3.Fix the Mounted plate. The screw is available.
4.Insert the system's drain pipe to the pump's inlet port, connect the outlet pipe. Do not bend the
pipe. Make sure the pipe size should be I.D 6mm.
5.Connect the power supply. There are 4 line of the cable, two are power line, two are signal
line, connect the four lines as fllowing drawing.
If the air conditioner does not have liquid level
control terminal, it can be connected to other
alarm devices or refer to figure 2.
If there is no liquid level switch, it can also use
an appropriate AC contactor to control the air
conditioning power.
Power cord: (L) fire wire: Brown (N) zero line: Blue
Signal line: (NC) normally closed: Black (COM) common line: Black
L
N
E
Air Conditioner
Indoor Unit
Liquid Level Switch
Condensate
Pump
L N
L N E L N E
COM Black
N.C Black
Air Conditioner
Outdoor Unit
L
N
E
Condensate
Pump
Air Conditioner
Indoor Unit
Air Conditioner
Outdoor Unit
L N
L N E
N E
AC Contactor
COM Black
N.C Black
7. Troubleshooting
Pump runs
all the time
1. Installation is not horizontal
2. There is sludge inside tank
Problem Cause Action
Pump makes
loud noise
Pump can’t
start working
Adjust the tank make it level
Clean the inside of tank and float
1. The water is siphoning back
in the pump
Check whether the outlet pipe is lower than
pump thus result in siphoning, raise the
condensate pump position
1. Installation is not horizontal
2. The power can’t reach pump
3. The voltage isn’t correct
Adjust the tank, check water level
Check power supply
Check the voltage
Flush the pump through with anti-bacterial wash and clean both filters every 6 months or more
often if required, to avoid sludge build up. Take great care to replace the float with the magnet facing
upwards.
9.Warranty
This warranty covers all arts with material or manufacturing faults. The buyers only remedy is
the replacement or repair of the defective arts. In no case can labour costs and any onsequential
damage be cited as a basis for a complaint. Any returned units must be complete, We are unable to
accept any liability in case of nonconforming installation or noncompliance with the specifications or
maintenance recommendations.
8.Important service guide:
5. Maximum recommended head(m)
Model
Performance(l/h@head)
Meters head(m)
Flow(L/h)
CONDENSATE PUMP CONDENSATE PUMPCONDENSATE PUMP
14
12
10
8
7
6
2
0 5 10 15 20 25 30 35 40
PC-24A
0m
28
40
2m
24
34
4m
20
30
6m
18
24
8m
16
20
PC-24A
10m
12
18
PC-40A
PC-40A
6.If the pump can't work normally ,the system will be cut off automatically, please contact the
qualified person to maintain it.
Recommend Operation Under This Yellow Line