3
Venting
Electrical Connections
Vent Termination Options
Indoor Horizontal Vent Termination
Interior view
Intake Air
Exhaust Gas
Exterior view
12"(300mm) min.
12"
(30
0m
m
) min
.
Sidewall vent Termination
12"
(3
00m
m
) m
in
.
Vertical Vent Termination
36" (900mm) min.
Venting Length
3” pipe venting
2” pipe venting
Exhaust Vent Piping Materials
•
All Navien water heaters are Category IV appliances.
•
The venting system should be approved for use with Category IV appliances
(typically Type BH Special Gas Vent approved by UL 1738-S636).
•
Venting requirements in the USA and Canada are different (see below).
Navien recommended venting materials
Locale
Recommended Vent Materials
USA
•
PVC Schedule 40 (Solid core)
•
CPVC Schedule 40 or 80 (Solid core)
•
Approved Polypropylene
Canada*
•
Type BH Special Gas Vent Class IIA (PVC)
•
Type BH Special Gas Vent Class IIB (CPVC)
•
Type BH Special Gas Class IIC (Polypropylene)
*For installation in Canada, field-supplied plastic vent piping must comply with CAN/CGA
B149.1 (latest edition) and be certified to the Standard For Type BH Gas Venting Systems,
ULC-S636. Components of this listed system must not be interchanged with other vent
systems or unlisted pipes or fittings. All plastic components and specified primers and
glues of the certified vent system must be from a single system manufacturer and must
not be intermixed with another system manufacturer’s parts. The supplied vent
connector and vent termination are certified as part of the water heater.
12"
(30
0m
m
) min
.
Exhaust
Intake
12"
(30
0m
m
) min
.
12" min.
From any
obstructi
on above,
below,
left, or
right
Concentric Vent Termination
Sidewall installation
Vent
Combustion Air
Combustion Air
1" (25mm) min
Maintain 12" min.
clearance above highest
anticipated snow level
or grade.
Roof installation
Vent
Maintain 12" min.
(18" min. for Canada)
Clearance above highest
anticipated snow level.
Maximum of 24" above
roof
Combustion
Air
Vent
Combustion Air
Image of outdoor Vent Cap
Top
Back
Side
Side
Front
Bottom
Intake Air
Exhaust gas
Maximum number
of elbows: 6
Maximum number
of elbows: 8
2-to-3 inch
reducer
Maximum Length 150'
Maximum Length 60'
•
90
˚
elbow = 5 linear feet of venting
•
45
˚
elbow = 3 linear feet of venting
•
90
˚
elbow = 8 linear feet of venting
•
45
˚
elbow = 4 linear feet of venting
Remote Controller Connection Power Connection
120 VAC 60 Hz
Min. 2 Amp current with proper
grounding
Confirmation of Panel DIP Switch Settings
Switch Function
Setting
1-3
Pump and
Recirculation
No Recirculation
1-OFF, 2-OFF, 3-OFF
External Pump Only-External Recirculation
1-OFF, 2-OFF, 3-ON
Internal Pump Only-Internal Recirculation
1-ON, 2-OFF, 3-OFF
Internal Pump Only-External Recirculation
1-OFF, 2-ON, 3-OFF
Internal Pump Only-Intelligent Preheating*
1-ON, 2-ON, 3-OFF
Internal & External Pump-Internal Recirculation
1-ON, 2-OFF, 3-ON
Internal & External Pump-External Recirculation
1-OFF, 2-ON, 3-ON
Internal & External Pump-Intelligent Preheating*
1-ON, 2-ON, 3-ON
4
Display
Temperature Unit
Celsius
4-ON
Fahrenheit
4-OFF
5
Well Pump
Well Pump Operation
5-ON
Do Not Use Well Pump
5-OFF
6
DHW Storage
Tank/Solar System
Storage Tank/Solar System Operation
6-ON
Do Not Use Storage Tank/Solar System
6-OFF
7 & 8
Lime Alarm
6 Months Alert
7-ON, 8-OFF
12 Months Alert
7-OFF, 8-ON
24 Months Alert
7-ON, 8-ON
9 & 10 High Altitude**** 0 ~ 1,999 ft (0 ~ 609 m)
9-OFF, 10-OFF
2,000 ~ 5,399 ft (610 ~ 1,645 m)
9-ON, 10-OFF
5,400 ~ 7,699 ft (1,646 ~ 2,346 m)
9-OFF, 10-ON
7,700 ~ 10,100 ft (2,347 ~ 3,078 m)
9-ON, 10-ON
CAUTION
Disconnect the power to the water
heater before installing the remote
controller
CAUTION
Using abnormally high or low AC
voltage may cause abnormal
operation, thereby causing fire
which reduces the life
expectancy of this product.
(Optional)
Safety
DO NOT touch the
power cord with wet
hands.
DO NOT expose to
excessive amounts of
water.
