Use and Care Manual

30
Specications
• Specications may be changed without prior notice.
• The capacity may differ slightly, depending on the water pressure,
water supply, piping conditions, and water temperature.
Specication
NR981-OD
Outdoor Wall Mounted
Direct Ignition
15-150 psi
0.5 GPM (2 L/min.)
23.6" (600mm) x 13.8" (350mm) x 9.4" (240mm)
54 lbs.
0.2 Gallon (1.0L)
3/4"
3/4”
3/4”
120 VAC (60Hz)
Zincied Steel Plate/Polyester Coating
Stainless Steel
Copper Sheeting, Copper Tubing
Flame Rod, Thermal Fuse, Lightning Protection
Device (ZNR), Overheat Prevention Device, Freezing
Prevention Device, Fan Rotation Detector
Remote Controller, Remote Controller Cord,
Anchoring Screws
Specications
Performance
Item
Model Name
Type
Ignition
Operating Pressure
Minimum Flow Rate
Dimensions (Height) x (Width) x (Depth)
Weight
Water Holding Capacity
Accessories
Installation
Air Supply/Exhaust
Connection Sizes
Power Supply
Materials
Water Inlet
Hot Water Outlet
Gas Inlet
Safety Devices
Item
Gas
Consumption
Maximum Hot Water Capacity
Capacity Range
Temperature Settings
Default Temperature Options
NG
LP
45°F (25°C) Rise
Maximum Performance
199,900 btuh
199,900 btuh
Minimum Performance
16,000 btuh
16,000 btuh
7.5 GPM (28.2 L/min.)
0.5-9.8 GPM (2-37.0 L/min.)
100-140°F (In 5°F intervals) (9 Options)
Casing
Flue Collar
Heat Exchanger
Supply
Consumption
°F Mode:
°C Mode:
37-48°C (In 1°C intervals),
50,55,60°C (In 5°C intervals) (15 Options)
Power Vented
NG : 65W LP : 67W Freeze Prevention 161W
120°F (50°C), 135°F (57°C), 140°F (60°C)
(Original is 120°F (50°C))