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Navien NaviCirc User Manual
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66
N
A/H
DHW
PRI
L
N
L
N
L
N
L
N
L
Z3
Z2
Z1
SUP
PL
Y
TEMPERATURE
SENSOR
RETURN
OUTDOOR
T/S
_ZONE3
R
W
C
T/S
_ZONE2
R
W
C
T/S
_ZONE1
R
W
C
A
C24V
N
A
C24V
L
l
LW
C
O
R
W
C
T/S_Recir
C
OM
NO
NC
ZONE
_V/V3
C
OM
NO
NC
ZONE
_V/V2
C
OM
NO
NC
ZONE
_V/V1
N
A/H
DHW
PRI
L
N
L
N
L
N
L
N
L
Z3
Z2
Z1
SUPPLY
TEMPERATURE SENSOR
RETURN
OUTDOOR
T/S_ZONE3
R
W
C
T/S_ZONE2
R
W
C
T/S_ZONE1
R
W
C
AC24VN
AC24VL
lLWCO
R
W
C
T/S_Recir
COM
NO
NC
ZONE_V/V3
COM
*
Recirculation
Pump
Return Wat
er
City Wat
er
Supply
Expansion T
ank
Check V
alve
Recirculation
Pump
(max. 2.5 A)
Neutral
(N)
Line
(L)
N
A
/H
DHW
P
RI
L
N
L
N
L
N
L
N
L
Z3
Z2
Z1
SUP
PL
Y
TEMPERATURE
SENSOR
RETURN
OUTDOOR
T/S
_ZONE3
R
W
C
T/S
_ZONE2
R
W
C
T/S
_ZONE1
R
W
C
A
C24V
N
A
C24V
L
l
LW
C
O
R
W
C
T/S_Recir
C
OM
NO
NC
ZONE
_V/V3
C
OM
NO
NC
ZONE
_V/V2
C
OM
NO
NC
ZONE
_V/V1
N
A/H
DHW
PRI
L
N
L
N
L
N
L
N
L
Z3
Z2
Z1
SUPPLY
TEMPERATURE SENSOR
RETURN
OUTDOOR
T/S_ZONE3
R
W
C
T/S_ZONE2
R
W
C
T/S_ZONE1
R
W
C
AC24VN
AC24VL
lLWCO
R
W
C
T/S_Recir
COM
NO
NC
ZONE_V/V3
COM
W
ir
ed
HotButt
on
W
ir
ed
HotButt
on
Na
viC
ir
c
DHW Supply
W
ir
ed
HotButt
on
65
67
Table of Contents
Table of Contents
3
About the Navicirc
5
Included Items
5
Specifications
6
Compatible Products & Pump Requirements
7
Configuration
8
Supply Connections
9
Installing the Navicirc
10
Installing the Navicirc
11
Leak Check & Air Purge
12
Securing the Navicirc to the Wall
13
Application System
14
NPE-A System
14
Application Guidelines
14
NPE-A System Diagram
18
NPE-A2/S2 System
22
Setting External Recirculation Mode
22
External Pump Wire Connection
26
Navien Hotbutton Kit (Optional)
32
System Application - External Recirculation
37
NPN System
42
External Pump Wire Connection
42
Adjusting the Recirculation Parameters
48
External Recirculation with Navicirc
50
External Recirculation with Hotbutton (Optional) and Navicirc
52
NCB-H System
54
Setting the DHW Operation
54
Setting External Recirculation
56
Examples of Electrical Connections
57
External Recirculation with Navicirc
62
External Recirculation with Hotbutton (Optional) and Navicirc
65
NFC-H System
69
Setting the DHW Operation
69
Setting External Recirculation
71
Examples of Electrical Connections
72
External Recirculation with Navicirc
80
External Recirculation with Hotbutton (Optional) and Navicirc
83
Troubleshooting
86
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Navien NaviCirc Specifications
General
Brand
Navien
Model
NaviCirc
Category
Control Unit
Language
English
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