Use and Care Manual

39
Specification
NRCB180DV(GHQ-C2801WX-FF US)
Indoor Wall Mounted
Power Vented
Direct Ignition
0.4 GPM (1.5L/min)
0.29 GPM (1.1L/min)
30 psi
NPT 3/4”
120 VAC (60Hz)
Specifications
Specifications-1
• Specifications may be changed without prior notice.
• The capacity may differ slightly, depending on the water pressure,
water supply, piping conditions, and water temperature.
Item
Model Name
Type
Ignition
Operating Pressure
Minimum Flow Rate
Minimum Operating Flow Rate*
Weight
Pressure Relief Valve Setting
Connection Sizes
Installation
Air Supply/Exhaust
Power Supply
Materials
Heating
DHW Cold Water Inlet
Heating
DHW
Heating Return
Condensate Drain
Supply
Consumption
Casing
Flue Collar
Primary Heat Exchanger
Secondary Heat Exchanger
Safety Devices
27.0” (687mm) × 18.5” (471mm) × 12.8” (325mm) Dimensions (Height) x (Width) x (Depth)
NRCB199DV(GHQ-C3201WX-FF US)
95 lbs.
Flame Rod, High Limit Switch, Lightning Protection Device (ZNR),
Freezing Prevention Device, Fan Rotation Detector
Anchoring Screws, Wall Mounting Bracket, Outdoor Temperature Sensor,
Anchoring Screws & Anchors for Outdoor Temperature Sensor
Accessories
Stainless Steel : 316L
Stainless Steel : 316L
PP
Front Cover, Side/Top Plate : Hot-dipped zinc-aluminum-magnesiumalloy-coated steel w/ Polyester Coating
Back Plate : Hot-dipped zinc-aluminum-magnesiumalloy-coated steel w/o Coating
Bottom Plate : Zincified Steel Plate/Polyester Coating
NG : 210W LP : 210W
Freeze Prevention 125W
NG : 200W LP : 200W
Freeze Prevention 125W
NPT 1”
NPT 1/2”
NPT 1”
NPT 3/4”
NPT 1/2”
Heating Supply
Gas Inlet
Auto Feeder Inlet
NPT 3/4”
NPT 3/4”
DHW Outlet
Heating Pressure Relief Valve
12-30 psi
15-150 psi
(Recommended 30 psi or more for maximum performance)