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Installation and Operation instructions
INDOOR MODEL
RTG 199 ME
RTG 199 MEN - Natural Gas
RTG 199 MEX - Propane (LP Gas)
Temperature Modulated with Electronic Ignition Suitable for heating potable water and space heating
(Intended for variable flow applications)
Warning: If the information in this manual is not followed exactly, a fire
or explosion may result causing property damage, personal injury or
death.
Do not store or use gasoline or other flammable vapors and liquids in the
vicinity of this or any other appliance.
Installation and service must be performed by a trained and certified
installer, service agency or the gas supplier.
Improper installation, adjustment, alteration, service or maintenance
can cause injury or property damage. Refer to this manual. For assis-
tance or additional information consult a qualified installer, service
agency or the gas supplier.
In the Commonwealth of Massachusetts this product must be installed
by a licensed plumber or gas fitter.
Upon completion of the installation, these instructions should be
handed to the user of the appliance for future reference.
What to do if you smell gas
• Turn off the gas shut-off valve. Open windows and doors.
• Do not try to light any appliance.
• Do not touch any electrical switch, telephone, and do not use out-
lets.
• Extinguish all open flames. Do not smoke! Do not use lighters!
• Warn all occupants of the building. Do not ring doorbells!
• If you can hear gas leaking, leave the building immediately. Prevent
others from entering the building and notify the police and fire
department from outside the building.
•
From outside the building, call the gas utility company and a trained
and certified installer.
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Related Manuals for Bradford White RTG 199 MEN
Summary of Contents for Bradford White RTG 199 MEN
- Page 1 From outside the building, call the gas utility company and a trained and certified installer. RTG 199 MEN - Natural Gas RTG 199 MEX - Propane (LP Gas) Temperature Modulated with Electronic Ignition Suitable for heating potable water and space heating...
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Page 2: Table Of Contents
Table of contents Table of contents Key to symbols and safety instructions ....3 Troubleshooting ........42 Key to symbols . -
Page 3: Key To Symbols And Safety Instructions
▶ Immediately correct all faults to prevent system damage. ▶ In the Commonwealth of Massachusetts, the water heater must be ▶ Use only Bradford White spare parts! Damage caused by the use of installed by a licensed plumber. parts not supplied by Bradford White may void the warranty. - Page 4 Key to symbols and safety instructions Risk of scalding at the hot water draw-off point ▶ When the water heater is in operation, temperatures in excess of 122 °F (50 °C) can occur. To limit the temperature at the tap, install a thermostatic DHW mixing valve.
- Page 5 Key to symbols and safety instructions For your safety WARNING: ▶ Do not store or use gasoline or other flammable, combustible or ▶ The maximum inlet gas pressure must not exceed the corrosive vapors and liquids in the vicinity of this or any other value specified by the manufacturer and the appliance.
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Page 6: Fcc Rules
FCC rules Temperature Time to severe scalding WARNING: Personal Injury from toxic chemicals. 120 °F (48 °C) longer than 5 minutes ▶ A water heater which will be used to supply potable water shall not be connected to any heating system 125 °F (51 °C) 1.5 to 2 minutes or component(s) previously used with a nonpotable... -
Page 7: Appliance Details
- The freeze prevention kit will not protect plumbing outside the appliance from freezing. Precautions should be taken. Gas connection inches ¾ " Peak load inlet gas pressure Bradford White is constantly improving its products, therefore specifications are subject to change without Propane water column 8” - 13” prior notice. -
Page 8: Unpacking The Heater
Appliance details The RTG 199ME is not approved or designed for: • Manufactured (mobile) homes, boats or any mobile installation. Technical characteristics Units RTG 199 ME (Modular homes are acceptable for installation). LP Gas • Use above 8000 ft A.S.L. altitude (see page 22). Voltage •... -
Page 9: General Rules To Follow For Safe Operation
Appliance details ▶ Lift front cover panel upward and remove. In Canada: The Installation must conform with CSA B149.(1,2) INSTALLATION CODES and /or local installation codes. • 2. Carefully plan where you install the heater. Correct combustion air supply and vent pipe installation are very important. If not installed correctly, fatal accidents can occur, such as carbon monoxide poisoning or fire. -
Page 10: Dimensions And Minimum Installation Clearances
Appliance details Dimensions and minimum installation clearances Fig. 6 Dimensions On/Off button Reset button Program key Power ON or stand-by LED LCD display Up button Down button RTG 199 ME – 6 720 811 615 (2015/04) -
Page 11: Installation Instructions
Installation instructions Installation instructions Specialized tools The following specialized tools may be required for installation: • Manometer • Multi-meter • Combustion Gas Analyzer Introduction Please follow these instructions. Failure to follow instructions may result in: ▶ Damage or injury. ▶ Improper operation. ▶... - Page 12 Installation instructions NOTICE: ▶ In areas where outside temperatures routinely come close to freezing, sealed combustion operation is required. Concentric termination or separate terminations for combustion and vent, must be installed on the same wall or roof surface; however, never facing the direction of prevailing winds. Failure to do so may result in heat exchanger freezing and bursting.
- Page 13 Installation instructions 4.3.2 Vent specifications Install appliance as close to point of vent termination as possible. The Company Contact info exhaust piping must vent directly to the outside of the structure. Horizontal sections of vent must pitch upward towards termination ¼" Z-flex www.z-flex.com for every foot of horizontal length, to prevent the pooling of condensate,...
- Page 14 Installation instructions Calculation example for 3" venting: Calculation example for 4" venting: Exhaust Exhaust System used Concentric System used Twin pipe Number of 90° elbows needed: Number of 90° elbows needed: Number of 45° elbows needed: Number of 45° elbows needed: Table 11 Table 15 Calculation of example...
- Page 15 Installation instructions Required direct vent terminal clearances (twin pipe / concentric penetration) Fig. 11 Canadian installations U.S. installations Clearance above grade, veranda, porch, deck or balcony 12 in. 12 in. Clearance to window or door that may be opened 36 in. 12 in.
- Page 16 Installation instructions Required other than direct vent terminal clearances (single pipe penetration) Fig. 12 Canadian installations U.S. installations Clearance above grade, veranda, porch, deck or balcony 12 in. 12 in. Clearance to window or door that may be opened 36 in. 4 feet below or to side of opening;...
- Page 17 Installation instructions 4.3.3 Vent configuration examples Below are approved examples of vertical and horizontal venting installations. Fig. 13 Horizontal side wall venting installation (single pipe penetration) Termination Fig. 15 Horizontal venting system (concentric vent) Minimum above ground or normally expected snow accumulation level Appliance Drain tee...
- Page 18 Installation instructions 4.3.8 Fan speed adjustment necessary adjustments to fan speed values may result in improper operation of the appliance. NOTICE: IMPORTANT INFORMATION! First calculate the total equivalent vent length. This is the straight pipe ▶ Natural gas heaters with installation altitudes below length of both exhaust and combustion air plus the number of elbows 2,000 ft above sea level disregard this section.
- Page 19 Installation instructions Adjusting minimum power fan speed (P2) Adjusting maximum power fan speed (P1) To select fan speed: To select fan speed: ▶ Press ON/OFF button into ON. ▶ Press ON/OFF button into ON. ▶ Immediately following, press and hold simultaneously buttons ▶...
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Page 20: Combustion Air Requirements
Installation instructions 1. The referenced "special venting system" instructions shall be included This Installation Manual specifies the minimum vertical vent pipe and the with the appliance or equipment installation instructions; and amount of combustion air required for this unit. When all requirements 2. -
Page 21: Heater Placement And Clearances
Installation instructions NOTICE: Risk of appliance freezing! ▶ The water in this water heater is cold and always remains cold except for the times the burner is on. In the event of power outage in conjunction with freezing temperatures, it is recommended that the heater be drained. -
Page 22: Mounting Installation
Installation instructions Fig. 31 Mounting the heater CAUTION: Personal injury and property damage. ▶ Appliance must be installed vertically. Fig. 32 Mounting the heater Mounting installation When installing this appliance the unit must be additionally secured at the bottom of the water heater as shown in fig. 32. Use the included screws to secure the brackets at the bottom of the water heater to the wall. -
Page 23: Gas Piping & Connections
Installation instructions Gas piping & connections GAS LINE SIZING The gas supply piping for a single heater should be sized for a maximum Before connecting the gas supply, check the rating plate on the right side draw of 199,000 BTU/hr. Measure the length of gas supply line from the of the heater to be sure that the heater is rated for the same gas to which building's gas main to the heater and use the chapter 4.9.1 and 4.9.2, it will be connected. - Page 24 Installation instructions 4.9.1 Gas Line Sizing Tables for NATURAL GAS For your convenience see below for an excerpt from gas line sizing tables for a single NG appliance. For details see the current NFPA 54. Specified pipe lengths are for one RTG 199ME, which has a maximum input rating of 199,000 BTUs. The gas supply system must be sized for the combined total maximum BTU/hr load requirements of all gas appliances running simultaneously.
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Page 25: Water Connections
Installation instructions 4.9.2 Gas Line Sizing Tables for LP GAS For your convenience see below for an excerpt from gas line sizing tables for a single LP appliance. Their intended use of is for pipe sizing between the 2nd stage (low pressure) regulator and the appliance. For details see the current NFPA 54 or NFPA 58. Specified pipe lengths are for one RTG 199ME which has a maximum input of 199,000. -
Page 26: Water Quality
Installation instructions Connecting the pressure relief valve (PRV) A listed pressure relief valve must be installed at the time of installation. No valve is to be placed between the PRV and the heater. No reducing coupling or other restriction may be installed in the discharge line. The discharge line must be a minimum of 4”... -
Page 27: Space Heating Applications
Timed or thermostatically controlled operation of the pump is commonly Bradford White tankless water heaters are approved for use in done. Contact manufacturer if further information is needed. -
Page 28: Measuring Gas Pressure
Installation instructions Fig. 39 Space heating diagram Hot water outlet Operating Pressure Test Cold water inlet ▶ Press ON/OFF button into ON. Pressure relief valve ▶ Immediately following, press and hold simultaneously buttons Gas supply for 3 seconds, until display reads P2. Shut off gas valve Thermal expansion tank (as required) Atmospheric vacuum breaker... -
Page 29: Electrical Connections
Electrical connections ▶ Record lowest operating gas pressure reading in table 33. Gas pressures lower than 3.5" W.C. for Natural Gas or 8" W.C. for LPG will result in insufficient degree rise to the hot water being used, reduced hot water volume, possible error code faults and must be corrected. See Gas Connections, chapter 4.9, page 27. -
Page 30: Operation Instructions
Operation instructions ▶ Check the fuses in the printed circuit board, see fig. 44, pos. 3. ▶ After checking the fuses, reinstall all parts in reverse order. Fig. 44 Fuses position Operation instructions 6720608920-10. 1 AL Fig. 45 On/Off button Reset button Program Key LCD display... -
Page 31: For Your Safety Read Before Operating Your Water Heater
Operation instructions WHAT TO DO IF YOU SMELL GAS ▶ Turn off the gas shut-off valve. ▶ Open windows and doors. ▶ Do not try to light the appliance. ▶ Do not touch any electrical switch, telephone, and do not use outlets. ▶... -
Page 32: Operation
Operation instructions this symptom, clean fixtures or replace with higher flowing ones if ▶ LCD flashes until selected temperature is reached. necessary. ▶ Power bar indicates power percentage in use. Saving water resources: Reset button ▶ Make sure you close all the taps after any use. Avoid leaving the taps If the LCD shows the error symbol do not shut off power or unplug dripping. -
Page 33: Maintenance And Service
Maintenance and service Inlet Water Filter • Verify the inlet filter screen is clean and undamaged. The inlet water filter is located on the bottom of the appliance, to the right of the cold water inlet fitting. (See Fig.35, page 30). Close installer supplied water shutoff and remove wireform spring clip from filter. -
Page 34: Adjusting Co2
Maintenance and service ▶ Using a 3rd line (C) from the descaling reservoir, connect to the inlet side of circulating pump. Install a filter on the end of the line in the The P1 minimum operating gas pressure is 3.5" WC for Natural Gas and descaling reservoir. - Page 35 Maintenance and service Max. CO level range (%) (measured) Nat. Gas max. input 6.3 % - 6.9 % < 250 ppm min. input 2.3 % - 2.6 % < 60 ppm LP Gas max. input 8.7 % - 9.3 % <...
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Page 36: Program Values
Maintenance and service Program values Refer to chapter 7.6 Control board diagnostics (page 41) regarding how to access these P-modes. This section describes details on programming the appliance. For most applications the factory default values will provide robust and stable CAUTION: Appliance malfunction! operation. -
Page 37: Control Board Diagnostics
Maintenance and service Control board diagnostics Diagnostic menu 1. Press ON/OFF button into ON. 2. Immediately following, press and hold simultaneously buttons Temperature range - H (100-140°F) for 3 seconds, until display reads P2. Temperature range - C (100-184°F) 3. Press to enter P2 adjustment. -
Page 38: Troubleshooting
Troubleshooting Troubleshooting 4. Confirm the heater's gas type coincides with the type of gas being CAUTION: supplied. See fig. 2, page 8 for location of rating plate. ▶ If you are unable to perform the tasks listed below, or 5. Avoid restrictive outlets. Clean all shower heads and faucet aerators. need additional assistance please contact your It may be necessary to upgrade to higher flow rate shower heads if original installer or a licensed gas technician. -
Page 39: Hot Water Temperature Fluctuates At Tap
Troubleshooting Hot water temperature fluctuates at tap 1. Hot water is very hot out of the water heater, requiring mixing in cold water in order to attain a usable hot water temperature. The addition of too much cold will overpower hot water flow from the tankless water heater. -
Page 40: Problem Solving
Problem solving Problem solving Error code diagnostics To remove error code from the display, press the reset button. Display Cause Solution Fault in the flue gas limiter. 1. Check continuity of the flue gas limiter (see fig. 70, page 50). Go to steps two and Temperature above 230°F (110 °C) three to determine flue gas limiter fault and repair it. - Page 41 Problem solving Display Cause Solution No rotational speed sensor signal from 1. Disconnect power supply cord and check wire connections on back side of fan and primary fan. the two connectors on the control board. 2. Check supply voltage. It must be 120VAC and properly grounded. 3.
- Page 42 Problem solving Display Cause Solution No flame ionization detected with 1. Verify that all manual gas shut off valves are open. water flow. 2. Check gas type. See fig. 2, page 8. 3. Reset error code and open a water tap to cycle the heater in an effort to purge air. Cycling hot water tap on and off multiple times may be necessary.
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Page 43: Electrical Diagram
Electrical diagram Electrical diagram T=104°C T=220°F T=110°C T=230°F Casc. input Casc. output Back flow 6720608158-92.1AL Fig. 66 Electrical scheme Intlet water temperature sensor Outlet water temperature sensor Backflow temperature sensor Cascading output connection Cascading input connection Ionization sensor Water flow sensor Flue gas limiter Heat exchanger overheat sensor (ECO) [10] Gas valve... -
Page 44: Sensor Resistance Charts
Sensor resistance charts Sensor resistance charts Fig. 67 Outlet / Inlet immersion sensor characteristics Fig. 68 RTG 199 ME – 6 720 811 615 (2015/04) -
Page 45: Functional Scheme
Functional scheme Functional scheme Fig. 69 Functional scheme RTG 199 ME – 6 720 811 615 (2015/04) -
Page 46: Interior Components Diagram
Interior components diagram Interior components diagram 13.1 Interior components Fig. 70 Components Flue gas collector [12] Ignition electrodes Heat exchanger [13] Observation window Flame sensor [14] Backflow temperature sensor Primary fan (Mixer) [15] Secondary air fan Outlet temperature sensor [16] Gas valve LCD display [17] Water valve with engine and temperature sensor On/Off button... -
Page 47: Protecting The Environment
Protecting the environment Protecting the environment Packing The packing box may be fully recycled as confirmed by the recycling symbol Components Many parts in the heater can be fully recycled in the end of the product life. Contact your city authorities for information about the disposal of recyclable products. -
Page 48: Limited Tankless Heater Warranty
Defective installation, reinstallation at another costs. Any product used for other than a single location, installation by other than a Bradford White family housing unit application will be warranted Certified Installer and specifically, any installation... - Page 49 HOW DO YOU GET WARRANTY ASSISTANCE? Upon discovering a defect or problem, you should: 1. Contact either the Bradford White Certified Installer or dealer, or 2. Contact us-- BRADFORD WHITE CORPORATION...
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Page 50: Installer Checklist To Be Completed By Installer Upon
Installer Checklist to be completed by installer upon installation Installer Checklist to be completed by installer upon installation Serial Number ___ ___ ___ ___ ___ ___ ___ ___ (8 digit serial number is located on rating plate on right side panel) Gas Pressure Reading Static... - Page 51 Notes RTG 199 ME – 6 720 811 615 (2015/04)