Navien NCB-24LSWE, Service Manual

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18 NCB Service Manual
Version 1.0
Specification Unit
NCB-
24LSWE
NCB-
28LSWE
NCB-
34LSWE
NCB-
40LSWE
Specific flow for kitchens (ΔT=45°C)
l/min 7.6 8.9 10.8 12.7
Electrical supply
- 230 V / 50 Hz
Nominal current
A 0.6 0.62
Electrical maximum rating
W 130
Electrical protection
- IP X5D
Boiler mounting method
- Wall-mounted
Flue exhaust/Air intake system types
- B23-B33-B53-C13-C33-C43-C53-C63-C83
Flue exhaust/Air intake system diameters
mm Coaxial Ø60/100 and Ø80/125–Dual duct Ø80/80
Max. horizontal coaxial pipe length Ø60/100
m 20
Max. vertical coaxial pipe length Ø60/100
m 21
Equivalent elbow length at 90° Ø60/100
m 1.3
Equivalent elbow length at 45° Ø60/100
m 1
Max. horizontal coaxial pipe length Ø80/125
m 68
Max. vertical coaxial pipe length Ø80/125
m 70
Equivalent elbow length at 90° Ø80/125
m 2.2
Equivalent elbow length at 45° Ø80/125
m 1
Equivalent length of adapter Ø60/100 => Ø80/125
m 0.5
Max. dual duct length Ø80-Ø80
m 110
Equivalent elbow length at 90° Ø80
m 2.2
Equivalent elbow length at 45° Ø80
m 1.4
Hydraulic connection diameter
Heating mm 22
DHW mm 15
Gas inlet mm 22
Dimensions (width x depth x height)
mm 440 x 350 x 695 440 x 380 x 695
Weight
kg 38 42