Installation Manual

Demand Duo™ H-Series Installation and Operation Manual 8
Appliance Type
Commercial Hybrid Water Heating System Consisting of Condensing Tankless
Water Heater, Insulated Storage Tank, Pump and Controller
Model CHS199100Hi CHS160100Hi CHS19980Hi CHS16080Hi CHS13080Hi
Minimum Gas Consumption Btu/hr (kW/hr) 15,000 (4.3)
Maximum Gas Consumption Btu/hr (kW/hr) 199,000 (58.3) 160,000 (46.9) 199,000 (58.3) 160,000 (46.9) 130,000 (38.1)
Tank Volume 119 Gallons (450 Liters) 80 Gallons (303 Liters)
First Hour Delivery at 100°F Rise
1
317 Gallons
(1,200 Liters)
271 Gallons
(1,026 Liters)
290 Gallons
(1,098 Liters)
244 Gallons
(924 Liters)
209 Gallons
(791 Liters)
Product Weight 431 lb (195 kg) 429 lb (195kg) 307 lb (139 kg) 305lb (138 kg) 305lb (138 kg)
Sound Level 49 dB 48 dB 49 dB 48 dB 48dB
Installation Type Internal (Indoor) Commercial Applications
Category Category IV
Ignition System Direct Electronic Ignition
Water Supply Pressure 150 PSI (Maximum)
Temperature Setting 98°F (37°C) to 185°F (85°C)
98°F (37°C) to
140°F (60°C)
3
Electrical Data
Normal 265 W 223 W 265 W 233 W 219 W
Standby 44 W 44 W 44 W 44 W 44 W
Freeze Protection 148 W 148 W 148 W 148 W 148 W
Max Current 5.5 A 5.5 A 5.5 A 5.5 A 5.5 A
Fuse Tankless Water Heater Engine: 10 Amps, Controller: 10 Amps
Gas Supply Pressure
2
Natural 3.5 - 10.5 in. w.c.
Propane 8.0 - 13.5 in. w.c.
By-Pass Flow Control Electronic
Connections
Gas Supply Inlet: 3/4 in. MNPT Hot Water Outlet: 1-1/2 in. MNPT
Cold Water Inlet: 1-1/2 in. MNPT
Electric Connections
Appliance: AC 120 Volts, 60Hz.
Integrated Temperature Controller: DC 12 Volts (Digital)
Water Temperature Control Simulation Feed Forward and Feedback
ENERGY STAR® Certified (Tankless engine) Yes
Complies with South Coast Air Quality
Management District 14 ng/J or 20 ppm NOx
Emission Levels
Yes
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-91 controller.
Rinnai products are continually being updated and improved; therefore, specifications are subject to change without prior notice.
Table 1: Specifications