Ruud CRUTGH-S11i Residential Gas Tankless Water Heaters Owner’s Manual
- July 15, 2024
- RUUD
Table of Contents
- Ruud CRUTGH-S11i Residential Gas Tankless Water Heaters
- Product Usage Instructions
- Easy Installation
- Ready for Retrofits
- Key Features
- Specifications
- Clearances / Recirculation Length (SR Models)
- Installation
- Water Heater Flow Rate Curves
- Venting
- Dimensions
- Parts and Accessories
- FAQ
- References
- Read User Manual Online (PDF format)
- Download This Manual (PDF format)
Ruud CRUTGH-S11i Residential Gas Tankless Water Heaters
Specifications
- Ruud Model Number: CRUTGH-S11i CRUTGH-SR11i
- Gas Input Rate: 199,900 BTU/h MAX, 11,000 BTU/h MIN
- Uniform Energy Factor (UEF): 0.96
- Gallons Per Minute (GPM): 11.2 MAX, 8.8 MIN, 5.9 Continuous
- Number of Bathrooms: 1
- Temp. Range Temp. Setting from Factory: 0.4 GPM to 0.26 GPM
- Installation Type: Indoor
- Fuel Type: Natural Gas/LP Convertible
- Heat Exchanger Material: PVC, CPVC, PP
- Minimum Activation Flow: 0.26 GPM
- Minimum Continuous Flow: 0.26 GPM
- Maximum Altitude: 10,200 ft.
- Ultra Low NOx: Yes (SCAQMD compliant)
- Warranty: 15 Year Heat Exchanger (w/ registration), 12 Year Heat Exchanger (w/o registration), 5-Year Parts, 1-Year Labor
Product Usage Instructions
Installation
- Ensure proper ventilation according to the guidelines provided in the manual.
- Connect the water heater to the gas supply and water lines following the specified fittings.
- Mount the unit securely using the included hanging bracket.
Operation
- Set the desired temperature using the controls on the unit.
- Monitor the digital display for temperature and other settings.
- The water heater will activate when a hot water tap is opened and provide a continuous flow as needed.
Easy Installation
- PVC Vent runs up to 70′ (2″), 150′ (3″)
- Easy set up with full text digital display and no dip-switches
- Field gas convertible from natural gas to LP
- conversion kit included
Ready for Retrofits
- Allows flex venting through existing B-vent up to 50′
- 1/2″ Gas line compatibility (subject to local code)
Key Features
- Stainless steel Primary and Secondary heat exchangers provide increased efficiency and durability
- Hot-start programming™ ensures the unit is in a ready state between back-to-back usage, avoiding any cold water bursts –Ruud® Exclusive!
- Built-in Recirculation pump for instant hot water at the tap (SR models)
- Built-in EcoNet® wifi capability for direct control from your device (optional for S models)
Specifications
Clearances / Recirculation Length (SR Models)
Installation
- Based on simultaneous showers using 2.5 GPM flow rate pre-mixed with cold water line. Flow rates vary depending on the temperature of incoming cold water and the water heater’s set temperature. Refer to flow rate curves for accurate sizing.
- For indoor applications, this is the temperature of outdoor intake air.
- External check valves are required for installation.
- Manifolds with standard RJ25 communication cables.
- If antifreeze is on and combustion is on, total W will be 217W (85+132).
- Recommended 24″ clearance for service.
Water Heater Flow Rate Curves
Venting
Dimensions
The hanging bracket, bird screens, and LP gas conversion kit are included with the water heater.
Parts and Accessories
For more information on Tankless parts and accessories, see the Parts and Accessories Catalog or call 866-720-2076.
FAQ
Q: What is the maximum altitude this water heater can be installed?
A: The maximum altitude for installation is 10,200 ft.
Q: Is this water heater suitable for retrofits?
A: Yes, this water heater is ready for retrofits and can be easily installed in existing setups.
Q: What is the warranty coverage for the heat exchanger?
A: The heat exchanger warranty is 15 years with registration and 12 years without registration.
References
Read User Manual Online (PDF format)
Read User Manual Online (PDF format) >>