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Table 1: Specifications
Appliance Type
Model
Minimum Gas Consumption Btu/hr (kW/hr)
Maximum Gas Consumption Btu/hr (kW/hr)
Tank Volume
First Hour Delivery at 100°F Rise
Product Weight
Sound Level
Installation Type
Category
Ignition System
Water Supply Pressure
Temperature Setting
Normal
Standby
Freeze Protection
Electrical Data
Max Current
Fuse
Natural
Gas Supply
2
Pressure
Propane
By-Pass Flow Control
Connections
Electric Connections
Water Temperature Control
ENERGY STAR® Certified (Tankless engine)
Complies with South Coast Air Quality Management
District 14 ng/J or 20 ppm NOx Emission Levels
1
First Hour Delivery Rating is a theoretical calculation based on 70% usable tank capacity
(Tank Capacity x .70 + (recovery) = First Hour Delivery Rating
2
The maximum gas supply pressure must not exceed the value specified by the manufacturer.
3
Temperature limit of 185°F can be achieved using optional MCC-601 controller.
Rinnai products are continually being updated and improved; therefore, specifications are subject to change without prior notice.
Demand Duo
H-Series with SENSEI CX Installation Instructions
Commercial Hybrid Water Heating System Consisting of
Condensing Tankless Water Heater, Insulated Storage Tank,
CHS199100H
199,000
119 Gallons (450 Liters)
317 Gallons
1
(1,200 Liters)
(195 kg)
Integrated Temperature Controller: DC 12 Volts (Digital)
and Pump
CHS160100H
CXi
CXi
15,000 (4.3)
160,000
(58.3)
(46.9)
271 Gallons
(1,026 Liters)
431 lb
429 lb
(195kg)
49 dB
48 dB
Internal (Indoor) Commercial Applications
Category IV
Direct Electronic Ignition
150 PSI (Maximum)
98°F (37°C) to 185°F (85°C)
279 W
244 W
44 W
44 W
148 W
148 W
5.5 A
5.5 A
Tankless Water Heater Engine: 10 Amps
3.5 - 10.5 in. w.c.
8.0 - 13.5 in. w.c.
Electronic
Gas Supply Inlet: 3/4 in. MNPT
Hot Water Outlet: 1-1/2 in. MNPT
Cold Water Inlet: 1-1/2 in. MNPT
Appliance: AC 120 Volts, 60Hz.
Simulation Feed Forward and Feedback
Yes
Yes
CHS19980H
CHS16080H
CXi
CXi
199,000
160,000
(58.3)
(46.9)
80 Gallons (303 Liters)
290 Gallons
244 Gallons
(1,098 Liters)
(924 Liters)
307 lb
305 lb
(139 kg)
(138 kg)
49 dB
48 dB
279 W
244 W
44 W
44 W
148 W
148 W
5.5 A
5.5 A
8
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