Navien NPE-180A Quick Installation Manual page 3

Vent Termination Options
Ind oor Horizontal Vent Termination
n I a t e k A r i
12" (300mm) min.
Exhaust Gas
Sidewall vent Termination
8
7
Maximum Length 150'
2-to-3-inch
reducer
Maximum number
of elbows: 8
• 90˚ elbow =
5 linear feet of venting
• 45˚ elbow =
3 linear feet of venting
(Optional)
36" (900mm) min.
Exhaust
Intake
12"min.
From any
obstruction
above, below,
left, or right
Maximum Length 60 '
6
5
4
3
2
Maximum number
of elbows: 6
• 90˚ elbow = 8 linear feet of venting
• 45˚ elbow = 4 linear feet of venting
Combustion Air
Combustion Air
Vent
1" (25mm) min.
Vent
Combustion Air
Maintain 12" min.
(18" min. for Canada)
Clearance above highest
anticipated snow level.
Maximum of 24" above roof
Combustion Air
Vent
Locale Recommended Vent Materials
PVC Schedule 40
USA
CPVC Schedule 80
Approved Polypropylene
Type BH Special Gas Vent Class IIA (PVC)
Canada* 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.
Confirmation of Panel DIP Switch Settings
Switch Function Setting
No Recirculation
External Pump Only-External Recirculation
Internal Pump Only-Internal Recirculation
Internal Pump Only-External Recirculation
Pump and
1-3
Recirculation
Internal Pump Only-Intelligent Preheating*
Internal & External Pump-Internal Recirculation
Internal & External Pump-External Recirculation
Internal & External Pump-Intelligent Preheating* 1-ON; 2-ON; 3-ON
Celsius
Display Temperature
4
Unit
Fahrenheit
Well Pump Operation
5 Well Pump
Do Not Use Well Pump
Storage Tank/Solar System Operation
DHW Storage Tank/
6
Solar System
Do Not Use Storage Tank/Solar System
6 Months Alert
7 & 8 Lime Alarm 12 Months Alert
24 Months Alert
0-4,500 ft
4,500-6,499 ft
9 & 10 High Altitude
6,500-8,499 ft
8,500-10,100 ft
Maintain 12" min. clearance
above highest antcipated
snow level or grade.
Image of Outdoor Vent Cap
Top T T Top
Exhaust Gas Exhaust Gas
Intake Air Intake Air
Back Back
Side Side
Side Side
Front Front
Bottom Bottom
(see below).
1-OFF; 2-OFF; 3-OFF
1-OFF; 2-OFF; 3-ON
1-ON; 2-OFF; 3-OFF
1-OFF; 2-ON; 3-OFF
1-ON; 2-ON; 3-OFF
1-ON; 2-OFF; 3-ON
1-OFF; 2-ON; 3-ON
4-ON
4-OFF
5-ON
5-OFF
6-ON
6-OFF
7-ON; 8-OFF
7-OFF; 8-ON
7-ON; 8-ON
9-OFF; 10-OFF
9-ON; 10-OFF
9-OFF; 10-ON
9-ON; 10-ON