Table of Contents
Advertisement
Quick Links
WARNING:
If the information in these instruc-
tions is not followed exactly, a fire
or explosion may result, causing
death, personal injury, or property
damage.
For Your Safety!
• Do not store or use gasoline or
other flammable vapors and liquids
in the vicinity of this or any other
appliance. To do so may result in
an explosion or fire.
• Installation and service must be
performed by a qualified installer,
service agency, or the gas
supplier.
What to Do If
You Smell Gas
• Do not try to light any
appliance.
• Do not touch any electrical
switch; do not use any
phone in your building.
• Immediately call your gas supplier
from a neighbor's phone. Follow
the gas supplier's instructions.
• If you cannot reach your gas
supplier, call the fire department.
• Do not return to your home until
authorized by the gas supplier or
fire department.
Do not destroy manual. Please read
carefully and keep in a safe place for
future reference.
WARNING:
This water heater is not suitable
for use in manufactured (mobile)
homes.
AP16115-1 (8/12)
Printed in USA
TANKLESS
WATER HEATER
USE AND CARE MANUAL
With Installation Instructions
for the Installer
Noncondensing 199,900 Btu/hr, 180,000 Btu/hr,
and 150,000 Btu/hr Models
®
CERTIFIED
R
Advertisement
Table of Contents
Related Manuals for TANKLESS 199,900 Btu/hr
Summary of Contents for TANKLESS 199,900 Btu/hr
-
Page 1: For Your Safety
With Installation Instructions • Installation and service must be for the Installer performed by a qualified installer, service agency, or the gas Noncondensing 199,900 Btu/hr, 180,000 Btu/hr, supplier. and 150,000 Btu/hr Models What to Do If You Smell Gas • Do not try to light any appliance. -
Page 2: Table Of Contents
CONTENTS Important Safety Information Installation Instructions Safety Precautions ............. 2–8 Standards Compliance ............28 Choosing a Location ............28, 29 Product Information Product Inspection ............... 30 Product Information ............... 8 Water Heater Installation ..........30–33 Specifications ..............9, 10 Venting ................34–45 General Descriptions ............11, 12 Water Supply ..............46–50 Using Your Water Heater Gas Supply ..............50–55... -
Page 3: Important Safety Information
• Ensure that the appliance vent is securely attached to the personal injury, and/or property damage. water heater collar. • Use tankless water heater manufacturer-approved Category • Condensate must drain away from the water heater and III Stainless Steel vent material only. No other vent material should not be allowed to drain back into any part of the vent is permitted. - Page 4 IMPORTANT SAFETY INFORMATION Water Supply Safety DANGERS: CAUTIONS: D A N G E R • This water heater must only be used • WATER TEMPERATURE SETTINGS – with the following water supply system Safety and energy conservation are conditions: factors to be considered when selecting –...
- Page 5 IMPORTANT SAFETY INFORMATION Natural Gas and Liquefied Petroleum Safety DANGERS: WARNINGS: • Never attempt to convert the water heater from natural • The installation of gas piping must conform to local utility gas to LP. The water heater should only use the fuel type company requirements and/or in the absence of local codes, in accordance with listing on data plate—natural gas for use the latest edition of National Fuel Gas Code (NFGC),...
-
Page 6: For Your Safety Read Before Operating
IMPORTANT SAFETY INFORMATION Before operating this water heater, be sure to read and follow the instructions on the label pictured below and all other labels on the water heater, as well as the warnings printed in this manual. Failure to do so can result in unsafe operation of the water heater, resulting in death, personal injury, or property damage. - Page 7 52 gallons displacement due to earthquake motions. For water heaters or tankless-style, consult the local building jurisdiction code up to 52-gallon capacity, a brochure with generic earthquake for acceptable bracing procedures.
-
Page 8: Safety Precautions
IMPORTANT SAFETY INFORMATION General Installation and Maintenance Safety SAFETY PRECAUTIONS: WARNINGS: • Read this manual entirely before installing and/or operating • This water heater must be installed in accordance the water heater. with these instructions, local codes, utility company requirements and/or in the absence of local codes, use •... - Page 9 PRODUCT INFORMATION Specifications – Direct-Vent Models " " (343 mm) (343 mm) " " (172 mm) (172 mm) " " (131 mm) (131 mm) " " (354 mm) (354 mm) " " " " (757 mm) (757 mm) (651 mm) (651 mm) "...
-
Page 10: Specifications
PRODUCT INFORMATION Specifications English Rating Label The following product information can be found from the rating label on this water heater. A. Model Number B. Serial Number C. Data Bar Code D. Heater Type E. Installation Type F. Type of Gas G. -
Page 11: General Descriptions
PRODUCT INFORMATION General Descriptions Typical Direct-Vent Water Heater (Venting Required) Condensate Collector Remote Control With Power Switch To Drain: Dispose of condensate in accordance with local codes. Water Filter Union Power Relief Supply Valve Cord Manual Gas Manual Gas To Hot Water Supply Line Shut-Off Valve Faucet(s) - Page 12 PRODUCT INFORMATION Typical Outdoor Water Heater (No Venting Required) This water heater is for OUTDOOR installation only. DANGER: DO NOT install this water heater indoors or in a confined area. It is designed for outdoor installation only. Any other type of installation will result in death or serious personal injury. Flue Terminal Remote Control...
-
Page 13: Using Your Water Heater
USING YOUR WATER HEATER Safety Precautions WARNING: • DO turn off manual gas shut-off valve if water heater Flammable vapors can be has been subjected to overheating, fire, flood, physical drawn by air currents from surrounding areas to the damage, or if the gas supply fails to shut off. water heater. - Page 14 USING YOUR WATER HEATER Setting the Water Temperature (cont.) NOTICES: Maximum water temperature occurs while the water heater burner is ON. To determine the water temperature: • The temperature set point on the standard remote control cannot be increased above 112°F (44°C) when a hot water faucet is in the open position.
-
Page 15: Caring For Your Water Heater
CARING FOR YOUR WATER HEATER Water Heater Inspections Venting System Condensate Trap (Direct Vent Only) (Direct Vent Only) CAUTION: The venting system should be inspected annually by DO NOT operate without the a qualified service technician to ensure all of the vent condensate trap connected to the vent and routed to the sections are secure and airtight. - Page 16 CARING FOR YOUR WATER HEATER Water Heater Inspections (cont.) Burner Burner It is recommended that the burner be inspected annually Sight Glass by a qualified service technician. DANGER: Shock Hazard – Removing the front cover panel exposes you to live electricity. Electric shock will cause death or serious personal injury.
-
Page 17: Care And Cleaning
CARING FOR YOUR WATER HEATER Care and Cleaning DANGER: NOTICE: Shock Hazard – Make certain The air intake requires a minimum of 12 power to the water heater is OFF before removing in. (30 cm) of clearance between the air intake opening protective cover for any reason. - Page 18 CARING FOR YOUR WATER HEATER Care and Cleaning (cont.) CAUTION: CAUTION: DO NOT tap or force the DO NOT overtighten the filter during removal. This can deform and/or damage water filter. Overtightening can deform and/or damage the filter. the filter. Unscrew the water filter from the base of the cold Replace the filter in the cold water inlet line and water inlet line and carefully slide it out...
-
Page 19: Preventive Maintenance
CARING FOR YOUR WATER HEATER Preventive Maintenance WARNING: NOTICE: Failure to perform routine If the pressure relief valve on the hot preventive maintenance can prevent the water heater water heater discharges periodically, this may indicate a from operating properly. Improper operation can cause problem in the water system. -
Page 20: Draining The Water Heater
CARING FOR YOUR WATER HEATER Draining the Water Heater WARNING: Failure to follow these draining instructions can cause serious personal injury from scalding and/or product damage. Cold Water Supply Shut-Off Valve Close the water shut-off valve. Turn off the water heater by pressing the POWER ON/ OFF button on the control panel. - Page 21 CARING FOR YOUR WATER HEATER CAUTION: Even when drained properly, a small amount of water will remain in the water heater. In cold weather conditions, this water can freeze. If this happens, allow the defrost protection on the water heater at least 30 minutes to melt the frozen water.
-
Page 22: Freeze Protection
CARING FOR YOUR WATER HEATER Draining the Water Heater (cont.) Preferred Drain Method Isolator valve kits may be purchased from the manufacturer, distributor, or place of purchase. The kits Pressure Relief Relief Valve Valve include two full port isolation valves to be used in the Cold Water Service Valve inlet and outlet water lines. -
Page 23: Vacation And Extended Shutdown
CARING FOR YOUR WATER HEATER Vacation and Extended Shutdown WARNING: The water heater and piping should be drained if they Failure to drain the water heater might be subjected to freezing temperatures. See “Freeze can cause serious personal injury from scalding and/or Protection”... - Page 24 CARING FOR YOUR WATER HEATER Troubleshooting Chart (cont.) Problem Possible Cause Solution Water not hot enough. The temperature may be set too low. Increase the temperature setting at the remote control. The gas valve is not completely opened. Check and completely open the gas valve. Gas supply pressure is low.
-
Page 25: Service Error Code Chart
CARING FOR YOUR WATER HEATER Service Error Code Chart Your water heater has an electronic diagnostic system built into it. When the water heater finds a problem, it displays an error code in the LED display on the remote control. The following chart lists the error codes along with their possible problem and solution. -
Page 26: If You Need Service
CARING FOR YOUR WATER HEATER Service Error Code Chart (cont.) Error Code Possible Cause Solution Water heater has buildup of lime deposits. Contact a dealer or qualified service technician. Air intake or vent exhaust opening may be Remove any blockage. (Air intake requires 12 in. blocked. -
Page 27: Installation Instructions
INSTALLATION INSTRUCTIONS FOR THE CONTRACTOR... -
Page 28: Standards Compliance
INSTALLATION INSTRUCTIONS Standards Compliance This water heater must be installed in accordance with 20001, as ANSI standard Z223.1, or National Fire these instructions, local codes, and utility company Protection Association, 1 Batterymarch Park, MA 02269 requirements. as NFPA 54. In the United States where local codes are not available, In Canada, use the latest edition of the CAN/CSA B149.1 use the latest edition of the American National Standard/ Natural Gas and Propane Installation Code and the... - Page 29 INSTALLATION INSTRUCTIONS Choosing a Location (cont.) 0" min. 12" min. (0 mm) (300 mm) Fire Stop Plate (as required) 0" (0 mm) 12" min. 1/2" min. (300 mm) (13 mm) • Every vent pipe penetration of a floor or ceiling that is not in a fire-rated shaft requires a fire stop plate.
-
Page 30: Product Inspection
INSTALLATION INSTRUCTIONS Product Inspection • Visually inspect the water heater for any possible • Verify that all included supplied parts are present as damage. shown. • Check the rating plate on the water heater to make sure the water heater was designed to be used with the supplied type of gas (natural or LP). - Page 31 INSTALLATION INSTRUCTIONS Water Heater Installation (cont.) NOTICE: The National Fuel Gas Code (NFGC) and CAN/CSA B149.1 mandate a manual gas shut-off valve. See NFGC/B149.1 for complete instructions. Local codes or plumbing authority requirements may vary from the instructions or diagrams provided and take precedence over these instructions.
- Page 32 INSTALLATION INSTRUCTIONS Water Heater Installation (cont.) Typical Installation of Outdoor Water WARNING: DO NOT install this Heater (No Venting Required) water heater indoors or in a confined area. It is designed for outdoor installation only. Any other type of installation can result in death, personal injury, and/or damage to the This water heater is for OUTDOOR product or property.
-
Page 33: Mounting The Water Heater
INSTALLATION INSTRUCTIONS Mounting the Water Heater CAUTION: Reinforcement of the wall is required in case the wall is not strong enough to hold the water heater. Failure to do so could result in personal injury and/or product damage. The mounting location for the water heater should allow for easy access and operation. -
Page 34: Venting
INSTALLATION INSTRUCTIONS Venting for Direct-Vent Water Heater CAUTION The water heater must be installed with : DO NOT attempt to fabricate or 3-in./5-in. (7.6-cm/12.7-cm) diameter UL-approved adapt other vent pipe or materials to this venting. Category III Coaxial Stainless Steel appliance vent pipe or Use the provided screws to connect the coaxial vent pipe water heater manufacturer-approved concentric vent pipe. - Page 35 INSTALLATION INSTRUCTIONS In the Commonwealth of print size no less than one-half (1/2) inch in size, “GAS VENT DIRECTLY BELOW. KEEP CLEAR OF ALL OBSTRUCTIONS.” Massachusetts 4. INSPECTION. The state or local gas inspector of the side- The Commonwealth of Massachusetts requires compliance with wall, horizontally vented, gas-fueled equipment shall not regulation 248 CMR 4.00 and 5.00 for installation of through- approve the installation unless, upon inspection, the inspector...
- Page 36 INSTALLATION INSTRUCTIONS Venting for Direct-Vent Water Heater (cont.) 1/4" Per Foot Downward Slope (recommended) 90˚ Vent Pipe Wall Plate Elbow Fire Inspection Ceiling Inspection Stop Access Panel Access Panel (Optional) (Optional) Recommended Vent Lengths Minimum Vent Length: The venting may be as short as 12 in. (30 cm), provided one vent termination is installed to the outdoors through Number of 90°...
- Page 37 INSTALLATION INSTRUCTIONS Appliance Vent Adapter Provision should be made to collect and dispose of condensate from the venting systems. CAUTION: Ensure that the appliance vent adapter is securely attached to the water heater collar. Downward Slope (recommended) Improperly connected vent adapter can cause damage to the appliance and/or poor performance.
- Page 38 INSTALLATION INSTRUCTIONS Venting for Direct-Vent Water Heater (cont.) Horizontal Vent Terminal Location Outside Walls Fixed Closed Fixed Operable Closed Operable Vent Terminal Air Supply Inlet Area Where Terminal is Not Permitted Inside Wall...
- Page 39 Horizontal Vent Terminal Location (cont.) The following chart details the minimal dimensional information needed to determine the proper location of the vent§terminal for direct vent and outdoor tankless water heaters. See corresponding letter reference in the illustration on page 38.
- Page 40 – 6 ft. (1.8 m) of the vent terminal. Guard against accidental contact with people and pets. – INDOOR TANKLeSS WATeR HeATeRS Caulk around wall faceplate for weather-tight seal. – DO NOT extend exposed vent pipe of indoor water WARNING: heaters outside of the building.
- Page 41 INSTALLATION INSTRUCTIONS Horizontal Vent Installation WARNING: Follow the vent manufacturer’s installation instructions since design might vary from manufacturer to manufacturer. Improper vent installation can result in death, personal injury, product damage, and/ or poor performance. CAUTION: Use UL-approved Category III Stainless Steel vent material only.
- Page 42 INSTALLATION INSTRUCTIONS Venting for Direct-Vent Water Heater (cont.) Horizontal Vent Installation (cont.) Using a thick bead of high temperature silicone, seal Typical Horizontal Termination with the overlapping area of the outer 5-in. (12.7-cm) pipe. 1/4 In. Per Foot of DOWNWARD Slope 1/4"...
-
Page 43: Vertical Vent Installation
INSTALLATION INSTRUCTIONS Vertical Vent Installation WARNING: Follow the vent manufacturer’s installation instructions since design might vary from manufacturer to manufacturer. Improper vent installation can result in death, personal injury, product damage, and/ or poor performance. NOTICES: Support vertical and horizontal runs as described on •... - Page 44 Venting for Direct-Vent Water Heater (cont.) Vertical Vent Terminal Location The following chart with diagrams details the minimum dimensional information needed to determine the proper location of the vertical vent terminal for direct-vent indoor tankless water heaters: U.S. Installation Canadian Installation...
- Page 45 INSTALLATION INSTRUCTIONS Standard Vertical Vent Termination Vertical Termination Adapter Air Intake Storm Collar Adjustable Roof Flashing 3" to 5" Concentric Pipe Support Clamp Fire Stop 1/4" Per Foot Upward Slope Fire Stop Support Hanger CAUTION: The condensate collector must be used with vertical vent installation.
-
Page 46: Water Supply
INSTALLATION INSTRUCTIONS Water Supply Thermal Expansion CAUTION: This water heater MUST ONLY A thermal expansion tank will be required if the water be used with the following water supply conditions to heater is installed in a system with a recirculation or prevent product damage and operation failure. - Page 47 INSTALLATION INSTRUCTIONS Water Supply Connections (cont.) To ensure proper operation of the water heater, To supply HOT water to upper floors, additional water follow these water pressure guidelines. pressure will be required (0.44 psi [3 kPa] per foot of height). Calculate the distance between the •...
- Page 48 COLD and HOT water supply lines. DO NOT insulate drain line or pressure-relief valve. NOTICES: Alternate Water Piping Arrangement With Preferred Valve Kit Service valve kits can attach to all tankless water heater systems. All kits include two full-port isolation valves Pressure Relief to be used in the COLD and HOT water lines.
-
Page 49: Relief Valve
INSTALLATION INSTRUCTIONS Relief Valve For safe operation of the water heater, be sure that: • The pressure rating of the relief valve must not exceed A new pressure-relief valve, complying with the Standard 150 psi (1,034 kPa) or the maximum working pressure for Relief Valves and Automatic Gas Shut-Off Devices for of the water heater. -
Page 50: Gas Supply
INSTALLATION INSTRUCTIONS Water Supply (cont.) Hot and Cold Pipe Insulation Installation WARNINGS: For increased energy efficiency, use pipe insulation as shown in the diagram. Insulate the pipes all the way • When pipe insulation is not rated for the appropriate to the top. -
Page 51: Gas Piping
The gas supply system must be properly sized to ensure mum pressure drop. A pressure drop greater than what the proper operation of this tankless water heater as is permissible can cause operational issues with the gas well as all the gas appliances on the system. Failure to appliances. - Page 52 Final Considerations If this water heater is replacing an existing water heater, it Half-inch gas lines are permissible provided the gas sys- is important to verify the capacity of the gas system. Check tem meets certain requirements. First, the gas pressure the capacity of the meter/regulator, and verify the pipe on the system must be 8.0 inch W.C.
-
Page 53: Gas Supply Installation
INSTALLATION INSTRUCTIONS Gas Supply (cont.) Gas Supply Installation Using the proper-size piping, fittings, and components, build the gas supply line to the water heater. NOTICE: The gas supply line should be a Install the manual gas appliance shut-off valve to the minimum of 3/4-in. - Page 54 INSTALLATION INSTRUCTIONS Leak Testing WARNING: Never use an open flame to test for gas leaks, because death, personal injury, and/or property damage can result. The water heater and its gas connections MUST be leak- tested at normal operating pressures before the unit is placed in operation.
-
Page 55: Electrical Wiring
INSTALLATION INSTRUCTIONS Gas Supply (cont.) High-Altitude Installation WARNING: The water heater is certified for installations up to 3,280 • DO NOT install this water heater at elevations above ft. (1,000 m) above sea level. The input rating of this 3,280 ft. (1,000 m) without the proper adjustments. water heater is based on sea level operation. - Page 56 INSTALLATION INSTRUCTIONS Electrical Wiring (cont.) Wiring Diagram...
- Page 57 INSTALLATION INSTRUCTIONS Electrical Wiring (cont.) Remote Control Selection and Location Review the following considerations before determining the location of the remote control(s): WARNING: Field wiring connections and • DO NOT install any remote control electrical grounding must comply with local codes or, outdoors or where it can come in contact in the absence of local codes, with the latest edition of the National Electrical Code, ANSI/NFPA 70, in the U.S.,...
-
Page 58: Remote Control Installation
INSTALLATION INSTRUCTIONS Remote Control Installation WARNING: Field wiring connections and electrical grounding must comply with local codes or, in the absence of local codes, with the latest edition of the National Electrical Code, ANSI/NFPA 70, in the U.S., or Canadian Electrical Code, CAN/CSA C22.1, Part 1, in Canada. - Page 59 INSTALLATION INSTRUCTIONS Electrical Wiring (cont.) Remote Control Installation (cont.) Connecting the Remote Control to the Water Heater: Firmly tighten the terminal screws by hand. Ensure that the power to the water heater has been disconnected. Remote Control Connection Cover Secure the remote control extension cable on the hook located on the side of the remote control connection base.
-
Page 60: Insulation Blankets
INSTALLATION INSTRUCTIONS Insulation Blankets In general, insulation blankets for external use on gas The manufacturer’s warranty does not cover any damage water heaters are not necessary. The purpose of an or defect caused by insulation, insulation attachment, or insulation blanket is to reduce the standby heat loss use of any type of energy-saving or other unapproved from the water heater’s storage tank. -
Page 61: Installation Checklist
INSTALLATION INSTRUCTIONS Installation Checklist A. Water Heater Location C. Water Supply/Relief Valve Indoor water heaters must be installed indoors. Water supply has sufficient pressure. Air has been purged from the water heater and the Outdoor water heaters must be installed outdoors. piping. -
Page 62: Piping For Space Heaters
INSTALLATION INSTRUCTIONS Piping for Space Heaters Local codes or plumbing authority requirements may existing heating unit or components of a heating system vary from the instructions or diagrams provided in this that have previously been used with a nondrinking manual and take precedence over these instructions. water system. -
Page 63: Activating The Water Heater
INSTALLATION INSTRUCTIONS Activating the Water Heater WARNING: Before operating this water heater, be sure to read and follow the instructions on the following label, all labels on the water heater, and the “Important Safety Information” section in this manual. Failure to do so can result in unsafe operating conditions that can result in death, personal injury, property damage, and/or product damage. - Page 64 INSTALLATION INSTRUCTIONS Operating Instructions Read, understand, and follow the safety information listed on the operating label on page 63 and in the “Important Safety Information” section on pages 2-8 in this manual. Turn on all electric power to the water heater. The water heater burner will automatically light when there is a demand for hot water.
-
Page 65: Setting The Water Temperature
INSTALLATION INSTRUCTIONS The contents on pages 65 through 68 should only be performed by qualified service personnel. Setting the Water Temperature WARNING: Priority Improper adjustment, Indicator alteration, service, or maintenance can result in death, In-Use Indicator personal injury, property damage, and/or product (Lit during damage. - Page 66 INSTALLATION INSTRUCTIONS Setting the Water Temperature (cont.) While “120” is blinking, press the UP and DOWN Press the DOWN adjustment button repeatedly until adjustment buttons at the same time. “140” will 100°F (38°C) or 85°F (29°C) shows in the LED appear without blinking.
-
Page 67: High-Altitude Dip Switch Adjustments
INSTALLATION INSTRUCTIONS Setting the Water Temperature (cont.) Minimum Temperature Adjustment by the Main Remote Control (UMC–117, USC1–117, and USC2–117) Residential water heater temperatures can be adjusted down to 85°F (29°C), when required. Press the DOWN adjustment button repeatedly until To change the temperature settings down to 100°F (38°C) shows in the LED display. - Page 68 INSTALLATION INSTRUCTIONS High-Altitude DIP Switch Adjustments (cont.) Dip switch adjustment 3,280 feet (1,000 m) thru 6,560 feet (2,000 m) If altitude is above 3,280 ft. (1,000 m) and below 6,560 ft. (2,000 m), change the third switch on “DIP 2” to the ON position (UP). Dip switch adjustment 6,560 feet...
-
Page 69: Parts Replacement
PARTS REPLACEMENT Parts Ordering WARNING: The model and serial number of the water heater from For your safety, DO NOT the rating plate. attempt to disassemble, repair, or replace any portion of Specify the gas type (natural or LP) as marked on the this unit. - Page 70 PARTS REPLACEMENT Outdoor Gas Components Ref # Description Control Board Gas Valve Assembly Burner Assembly Igniter Coil Blower Motor Burner Manifold Gas Inlet Connector 3/4" Water Control Valve Water Bypass Valve Water Inlet Connector 3/4" Inlet Water Filter Hot Water Outlet Connector 3/4" Front Cover Remote Control Terminal Block...
-
Page 71: Warranty Information
This tankless water heater if it is installed for use in: spa or pool heating; a recreational vehicle; a boat or any other watercraft. c) Units installed in any circulating system in which the temperature of the incoming water to the water heater is in excess of 140° f. - Page 72 LABOR, SHIPPING, AND PROCESSING COSTS For one (1) year after the Effective Date, Rheem will cover reasonable labor costs necessary to repair or replace a tankless water heater or component part it determines to be defective in material and/or manufacture by a contractor which is licensed, state qualified, and trained for Rheem's tankless water heaters.
Need help?
Do you have a question about the 199,900 Btu/hr and is the answer not in the manual?
Questions and answers