Navien NCB-150E, Руководство по обслуживанию

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Version 1.4 18 NCB-E Service Manual
General Specifications
Item NCB-150E NCB-180E NCB-210E NCB-240E
Dimensions 17 in (W) x 28 in (H) x 12 in (D)
Weight 66 lbs (30 kg) 74 lbs (34 kg) 84 lbs (38 kg) 84 lbs (38 kg)
Installation Type Indoor Wall-Hung
Venting Type Forced Draft Direct Vent
Ignition Electronic Ignition
Natural Gas Supply Pressure (from source) 3.5 in-10.5 in WC
Propane Gas Supply Pressure (from source) 8.0 in-13.5 in WC
Natural Gas Manifold Pressure (min/max)
-0.09 in WC /
-0.34 in WC
-0.07 in WC /
-0.66 in WC
-0.05 in WC /
-0.36 in WC
-0.06 in WC /
-1.20 in WC
Propane Gas Manifold Pressure (min/max)
-0.04 in WC /
-0.30 in WC
-0.07 in WC /
-0.66 in WC
-0.10 in WC /
-0.66 in WC
-0.03 in WC /
-0.98 in WC
Gas Connection Size
3
/
4
in NPT
Power Supply
Main Supply 120V AC, 60Hz
Maximum Power
Consumption
200W (max 2A)
Materials
Casing Cold-rolled carbon steel
Heat Exchangers
Primary Heat Exchanger: Stainless Steel
Secondary Heat Exchanger: Stainless Steel
Domestic Water Heat Exchanger: Stainless Steel
Venting
Exhaust
2 in or 3 in PVC, CPVC, Polypropylene
2 in or 3 in Special Gas Vent Type BH (Class III, A/B/C)
Intake
2 in or 3 in PVC, CPVC, Polypropylene
2 in or 3 in Special Gas Vent Type BH (Class III, A/B/C)
Vent Clearances 0 in to combustibles
Safety Devices
Flame Rod, APS, Gas Valve Operation Detector, Ignition Operation Detector, Water
Temperature High Limit Switch,
Exhaust Temperature High Limit Sensor
NOTE
This unit may be installed at elevations up to 10,100 ft (3,078 m) for use with Natural Gas, and up to 4,500 ft (1,370 m) for use with Propane.