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NPE-210A2
Navien NPE-210A2 Installation Manual
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121
Appendixes
8.5 Ladder Diagram
LIVE
NEUTRAL
12
0
VA
C
Rel
ay
2
Rel
ay
3
I
gn
i
ter
Circ
ul
atio
n Pump
S
peed
Co
ntrol
Tr
an
s
former
Pri
mar
y
S
en
c
onda
r
y
MC
U 1
MC
U 2
Flame r
od
WD
-RSS
DC
24V
Rel
ay
1
Rel
ay
3
Dr
i
vi
ng
Circui
t
Flow
S
en
s
or
AP
S
DC1
2V
F
a
n
Ha
ll
S
en
sor
BLDC
-FAN
Wa
ter
A
d
j
ust
m
en
t
Val
v
e
Flow
C
on
tr
ol
DC1
5V
V
en
t
Installation
Detec
tor
Inl
et
Th
er
mi
s
t
or 2
O
utle
t
Th
ermist
or
1
O
utl
e
t
Th
er
mi
s
t
or 2
UART
Comm
un
i
c
ation
Inter
face
FR
O
N
T
PA
NEL
Comm
un
i
cat
ion
Inter
face
FU
SE(5A)
HO
T-B
U
T
TON
Inl
et
Th
ermist
or 1
EM
I
FI
LTER
PW
M
Mi
x
i
ng
V
alve
(NPE
-S2 S
eris
e O
nl
y
DC
5V
Flow
C
on
tr
ol
V
en
t
ur
i
Rel
ay 4
AC
13
0
Trans
V
Rel
ay
2
Rel
ay
4
Ex
hau
s
t
Th
ermist
or
HT
L swit
c
h
B
une
r
TD
S S
en
sor
R
ead
y L
ink
Interface
Rel
ay
1
E
xter
na
l P
ump
DC
9V
HT
L swit
c
h
H
ea
t
E
xc
hange
r
G
AS
V
/V1
G
AS
V/V2
O
ptio
n
NPE
-A2 S
eris
e O
nl
y
[NPE-150S2, 180A2/S2, 210A2/S2, 240A2/S2]
120
122
Table of Contents
Table of Contents
2
Important Safety Information
3
About the Water Heater
6
Included Items
6
Accessories
6
Specifications
7
The Front Panel
8
Components
9
Dimensions
12
Rating Plate
14
Installing the Water Heater
15
Choosing an Installation Location
15
Mounting the Water Heater to the Wall
18
Connecting the Gas Supply
19
Connecting the Water Supply
25
Connecting the Condensate Drain
38
Venting for Combustion Air
41
Connecting the Power Supply
59
Setting the DIP Switches
60
Configuring the Remote Controller System
62
Included Items
62
Accessories
62
Connecting the Extension Cable
62
Attaching the Wall Mounting Bracket
62
Remote Controller
63
Multi Remote Controller System
64
Entering Lock Mode
66
Setting the Clock
66
Setting the Recirculation Timer
67
Starting Recirculation
68
Canceling All Timer Settings
68
Installing a Cascade System
69
Connecting Water Supplies
69
Connecting the Communication Cables
71
Installing a Common Vent System
73
About the Common Vent System
73
Navien Common Vent Collar Kit (Back-Draft Damper)
79
Starting the Common Vent System
80
Connecting and Terminating the Vent Pipe
84
Installing a Condensate Drain
85
Setting up the Common Vent System
86
Common Vent Termination Clearances
86
Maintenance
87
Operating the Water Heater
89
Turning the Water Heater on or off
89
Start-Up Wizard
89
Adjusting the Water Temperature
90
Accessing the Basic Menu Items
91
Accessing Advanced Menu Items
97
Appendixes
107
Gas & High Altitude Conversion
107
Flushing the Heat Exchanger
115
Technical Data
117
Wiring Diagram
120
Ladder Diagram
121
Component Assembly Diagrams and Parts Lists
122
Installation Checklist
135
Navien H2Air Add-On Controller Kit (Optional)
137
AHU Application with
139
Communication (Optional)
139
Requirements for the State of Massachusetts
140
Date Purchased
143
Serial Number
143
Other manuals for Navien NPE-210A2
User's Information Manual
48 pages
Quick Installation Guide
4 pages
4
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Navien NPE-210A2 Specifications
General
Brand
Navien
Model
NPE-210A2
Category
Water Heater
Language
English
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