Rinnai Demand Duo R-Series Installation And Operation Manual page 8

Product Number
Product Description
Installation Type
Minimum Gas Consumption Btu/hr (kW/hr)
Maximum Gas Consumption Btu/hr (kW/hr)
Tank Volume
First Hour Delivery at 100°F Rise
Temperature Setting
Product Weight
Noise level
Normal
Standby
System Electrical
Freeze Protection
(Tankless)
Data
Max Current
Fuse
Electric Connections
Bypass Flow Control
Gas Supply Pressure
Connections
Ignition System
Maximum Water Supply Pressure
Meets or exceeds energy efficiency requirements of ASHRAE 90.1b (current standard), C.E.C. Listed 80%
Recovery Efficiency.
Table 1: Recovery capacities with respect to temperature for 80 gallon storage tank
Tank Capacity
80 U.S.
Gals.
CHS19980RECiN/
CHS19980RECiP
303
Liters
8
4.0 in. wc - 10.5 in. wc
RECOVERY CAPACITIES
U.S. GALLON/HR LITERS/HR AT TEMPERATURE RISE INDICATED
°F 30°F 40°F 50°F
°C 17°C 22°C 28°C 33°C 39°C 44°C 50°C 56°C
GPH 643 482 386
LPH 2,435 1,826 1,461 1,217 1,044 913
Demand Duo™ R-Series (REC) Installation and Operation Manual
CHS19980RECiN
Automatic Circulating Tank Water Heater
Indoor
11,900 (3.5)
199,000 (58.3)
80 Gallons (303 Liters)
249 Gallons (942 Liters)
120°F (49°C) to 180°F (82°C)
331 lbs. (150 kg)
54 dB
236 W
1 W
226 W
9.0 A
Tankless Engine - 10 A
Appliance: AC 120 Volts, 60Hz.
Bypass Servo Control
Natural Gas:
Gas Supply Inlet - 3/4 in. MNPT
Hot Water Outlet - 1-1/2 in. MNPT
Cold Water Inlet - 1-1/2 in. MNPT
Direct Electronic Ignition
150 PSI
60°F 70°F 80°F 90°F 100°F 110°F 120°F 130°F 140°F
322 276 241 214
812
CHS19980RECiP
Propane:
8.0 in. wc - 13.5 in. wc
61°C 67°C 72°C
193 175 161 148
730 664 609 562
78°C
138
522