Navien NaviCirc - Page 41

41
1 2 3 4
ON
SW1
CE1
CE2
U1
C1
C2
C7
R6
PC1
12 V 5 V SIGNAL
SIGNAL 1
GND
R5
R9
R8
C3
R1
R2
R7
D1
CON3
CON5
CON2
CON1
SIGNAL 2
SENSOR I
RA1
HotButton
Kit*
Ball
Valve
Ball
Valve
External
Pump
NPE-S2 Water Heater
City Water Supply
Expansion Tank
DHW Supply
Wired Push Button*
1 2 3 4
ON
SW1
CE1
CE2
U1
C1
C2
C7
R6
PC1
12 V 5 V SIGNAL
SIGNAL 1
GND
R5
R9
R8
C3
R1
R2
R7
D1
CON3
CON5
CON2
CON1
SIGNAL 2
SENSOR I
RA1
Return Water
NaviCirc
Temperature
Sensor*
Wired Push Button* Wired Push Button*
[NPE-150S2/180S2/210S2/240S2]
* The HotButton kit, push buttons, and the temperature sensor are not
included with the water heater but are available for purchase.