Parts List
Circuit Diagrams & PCB Layouts

 



RO Water Controller - Parts List <<< Previous Next >>>

     
   
     
     
Main
 
C1, C2
Tantalum Bead Capacitor 0.1 uF 35V
C3
Radial Electrolytic Capacitor 1000 uF 35V
IC1-7
CMOS Logic NAND Gate 4011
Q1-Q6
NPN Low Power General Purpose Transistor BC108C
R1-R4
Resistor 1/4W 3K9
R5
Resistor 1/4W 10K
R6-R11
Resistor 1/4W 6K8
R12
Resistor 1/4W 12K
U$1
NE555N Timer chip  
X1
10 Pole Phoenix PCB Connector 2.54mm  
X2
4 Pole Phoenix PCB Connector 2.54mm  
X3, X6
2 Pole Phoenix PCB Connector 2.54mm  
X4
8 Pole Phoenix PCB Connector 2.54mm  

 

LED Counter Display
 
     
     
     
     

 

Battery Backup for counter
 
C1
Ceramic Capacitor 10nf
C2
Radial Electrolytic Capacitor 1 uF 50V
IC1
Intersil ICL7673CPA  
IC2-IC4
CMOS Logic NAND Gate 4011
Q1
PNP transistor BC327
R1
Resistor 1/4W 6K8
R2
Resistor 1/4W 3K9
R4
Resistor 1/4W 100K
R5
Resistor 1/4W 10K
R6,R7
Resistor 1/4W 6K8
U$1
NE555N Timer chip  
X1
6 Pole Phoenix PCB Connector 2.54mm  
X2
4 Pole Phoenix PCB Connector 2.54mm  
X2
2 Pole Phoenix PCB Connector 2.54mm  

 

LED Front Panel Indicators
 
LED1-LED11
5mm LEDs Various colours  
R1-R11
Resistor 1/4W 560R
X1
12 Pole Phoenix PCB Connector 2.54mm  
   

Drain Timer:-

R1 1K R13 15K
R2 1K5 R14 15K
R3 1K R15 15K
R4 1K5 R16 15K
R5 1K R17 15K
R6 1K5 R18 15K
R7 6K8 R19 68K
R8 680ohms R20 82K
R9 15K R21 68K
R10 0K - (Wire) R22 82K
R11 15K R23 56K
R12 15K R24 390K
X1 12 Pole Phoenix PCB Connector 2.54mm
X2 2 Pole Phoenix PCB Connector 2.54mm

 

Relay
 
D1-D5
Diode IN4148  
F1-F3
20mm PCB Fuse Block  
K1, K2
Crydom CX240D5 Relay 240VAC 5A 15VDC
K4,K5,K6
FRS1-S Relay DC 12V 1A
X1
10 Pole Phoenix PCB Connector 2.54mm  
X2,X4
4 Pole Phoenix PCB Connector 2.54mm  
X3
4 Pole 16A PCB Connector 5.08mm  
X5.X6
3 Pole 16A PCB Connector 5.08mm  

 

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