Walchem WebMaster ONE Instruction Manual page 25

VoltageCode
R1
0 or 4 DRY
1 or 6 POWERED
2 or 5 POWERED
3 or 7 DRY
DRY CONTACTS WILL BE LABELED COM INSTEAD OF NC.
SEE
DETAIL "A"
GROUND
STUD
NEU HOT
NEUTRAL
WHT
GRN BLK
AC POWER
INPUT
R2 R3
DRY DRY
POWERED POWERED
POWERED POWERED
POWERED DRY
Important: The mains power supply earth ground connection
must be retained by separate nut.
RELAY8 RELAY7 RELAY6 RELAY5 RELAY4 RELAY3 RELAY2 RELAY1
NC NO
WHT
Figure 4: Wiring Diagram for AC Power Input and Relay Outputs
R4 R5
DRY DRY
POWERED POWERED
POWERED POWERED
POWERED DRY
NC NO NC NO NC NO
WHT
BLK
TO GND
STUD
TO GND
STUD
GRN
METERING
PUMP
SEPARATE
NUT
PRIMARY EARTH
CONNECTION
BRACKET
21
R6 R7
DRY DRY
POWERED POWERED
POWERED POWERED
POWERED DRY
NC NO NC NO NC NO
BLK
IF USING
A MOTORIZED
BALL VALVE
BLK
GRN
SOLENOID OR
MOTORIZED
BALL VALVE
OTHER EARTH
CONNECTIONS
PC
BOARD
DETAIL "A"
R8
DRY
DRY
POWERED
POWERED