Rheem GHE 119-500 Use & Care Manual

Rheem GHE 119-500 Use & Care Manual

Commercial high efficiency water heater
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Commercial High Efficiency Water Heater
WITH INSTALLATION INSTRUCTIONS FOR THE CONTRACTOR
!
Recognize this symbol as an Indication of Important
Safety Information!
NOTICE: This water heater is designed for use in a commercial application and the installation and maintenance of it should be per-
!
formed by a qualified, licensed service personnel. If the foregoing assumption is not appropriate, then we recommend that you obtain
and retain our Commercial Use & Care Manual.
!
CALIFORNIA PROPOSITION 65 WARNING: This product contains chemicals known to the State of California to cause cancer, birth
defects or other reproductive harm.
WARNING: If the information in these instructions are not followed exactly, a fire or explosion may result
!
causing property damage, personal injury or death.
FOR YOUR SAFETY!
!
— Do not store or use gasoline or other flammable
vapors or liquids or other combustible materials in
the vicinity of this or any other appliance. To do so
may result in an explosion or fire.
— 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.
Printed in USA
USE & CARE MANUAL
!
Do Not Destroy this Manual. Please read carefully and
keep in a safe place for Future Reference.
Immediately call your gas supplier from a neigh-
bor's phone. Follow the gas supplier's instructions.
If you cannot reach your gas supplier, call the fire
department.
Do not return to your building until authorized by
the gas supplier or fire department.
— Improper installation, adjustment, alteration, service
or maintenance can cause injury, property dam-
age or death. Refer to this manual. Installation and
service must be performed by a qualified installer,
service agency or the gas supplier.
GAS-FIRED
AP16883 (10/13)

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Summary of Contents for Rheem GHE 119-500

  • Page 1 Commercial High Efficiency Water Heater USE & CARE MANUAL WITH INSTALLATION INSTRUCTIONS FOR THE CONTRACTOR GAS-FIRED Recognize this symbol as an Indication of Important Do Not Destroy this Manual. Please read carefully and Safety Information! keep in a safe place for Future Reference. NOTICE: This water heater is designed for use in a commercial application and the installation and maintenance of it should be per- formed by a qualified, licensed service personnel.
  • Page 2: Table Of Contents

    READ THE SAFETY INFORMATION TABLE OF CONTENTS Your safety and the safety of others are very impor- tant. There are many important safety messages in Safety Information this manual and on your appliance. Always read and obey all safety messages. Specifications .
  • Page 3: Specifications

    (NPT) (NPT) GAL (L) (NPT) (PVC) (PVC) (kW) Input (L/HR) 500,000 78.50 32.00 62.78 11.43 9.43 61.43 74.00 GHE 119-500 119 (450) (146.5) (2,112) (2,445) (199) (81) (159) (29) (24) (156) (188) 2" 2" 1-1/2" 4" 4" 1200 (544) 500,000 78.50...
  • Page 4: Safety Precautions

    General Safety Precautions To meet commercial water use needs, the temperature on this The following chart details the relationship of water temperature water heater is adjustable up to 180°F (82° C). However, water tem- and time with regard to scald injury and may be used as a guide in peratures over 125°F (52°...
  • Page 5 General Safety Precautions Be sure to read and understand the entire Use & Care Manual before attempting to install or operate this water heater. Pay particular attention to the following General Safety Precautions. Failure to follow these warnings could result in a fire or explosion, causing property damage, bodily injury or death. Should you have any problems understanding the instructions in this manual, STOP, and get help from a qualified in- staller or service technician or the gas supplier.
  • Page 6 Introduction LOCAL INSTALLATION REGULATIONS the operation of the water heater and access of the ser- viceable components. This water heater must be installed in accordance with these instructions, local codes, utility company D. RESTAURANT INSTALLATION: — If the water requirements and/or, in the absence of local codes, the latest edition of the National Fuel Gas Code, ANSI heater is to be installed in a restaurant or other lo- Z223.1 in the United States, or CAN/CSA B149.1 In-...
  • Page 7 Introduction the resulting rapid, and repeated expansion and between the relief valve and the water heater. For contraction of components in the water heater and a circulating tank installation, the separate storage piping system can cause premature failure of the tank(s) must have similar protection.
  • Page 8 Installation At a minimum, use 1 1/2" pipe for GHE119/125-500 TABLE 3 For U.S. Installations Maximum Capacity of Pipe in Cubic Feet of Gas per Hour for Gas Pressures of 0.5 psig or Less and a Pressure Drop of 0.3 Inch Water Column Based on a 0.60 Specific Gravity Natural Gas;...
  • Page 9 Installation Minimum clearance from combustible material is WARNING 0" for the sides, top, and back of this water heater. This water heater is approved for installation in The water heater must be vented to the an alcove with the required clearances shown in outdoors as described in these instructions.
  • Page 10: Typical Installation

    Installation Typical Installation Drawing. Figure: 5 NOTES: 1.) The gas supply piping must be adequately supported and aligned to minimize loads (forc- es) on the water heater’s gas valve and burner system. 2.) Refer to local codes for installation guidelines for the Thermal Expansion Tank (if required).
  • Page 11 Installation 7. VENTING — VENT PIPE CONNECTION — NOTE: This unit can be vented either as a Direct Refer to Figure 7, for connecting 6" vent pipe to the Vent or Power Vent configuration. water heater. NOTICE: This unit can be vented using only the follow- NOTICE: If the unit is installed as a Power Vent ing recommended pipe material.
  • Page 12 Installation NOTICE: Stir the solvent cement frequently while section of the Installation and Operating Instruc- using. Use a natural bristle brush or the dauber tions Manual for complete instructions on venting supplied with the can. The proper brush size is and condensate drainage.
  • Page 13 Installation 4” Pipe (Factory Installed) NOTE: The equivalent straight pipe length of a 90°, 4”x6” Increaser ¼ standard bend elbow and a 45°, 1/8" standard (Field Supplied) bend elbow is 5 feet, respectively. DO NOT use short bend elbows. 4” Pipe 4”x3”...
  • Page 14: Vent Installation

    Installation HORIZONTAL VENT INSTALLATION – Once the vent terminal location has been determined, make a hole through the exterior wall to accommodate the vent pipe. Vent pipe must exit exterior wall horizontally only (See Figure 12). Insert a small length of vent pipe through the wall and connect the coupling as shown in Figure 10.
  • Page 15 Installation Install piping through the wall as shown in Figure and could cause nuisance control lockouts. Com- 10 and 12. Adequate length of pipe must protrude plete the installation of the remainder of the vent beyond the exterior wall for attachment of the and air intake system and attach to the water termination fitting.
  • Page 16 Installation Typical vertical Direct Vent System Installation NOTICE: Intake and exhaust terminals must be on the same outside wall. Terminate exhaust vent with 45° elbow, or 90° elbow (Field Supplied) Air intake terminal 90° elbow (Factory Supplied) Connect fitting to 4" pipe on air intake assembly Connect pipe to 4"...
  • Page 17 Installation Figure 15 AREA WHERE TERMINAL IS NOT PERMITTED X AIR SUPPLY INLET V VENT TERMINAL Horizontal Vent Terminal Location for Power Vent The following information should be used for determining the proper location of the vent terminal for direct vent water heaters. Canadian Installations US Installations A= Clearance above grade, veranda,...
  • Page 18 Installation Figure 16 X AIR SUPPLY INLET AREA WHERE TERMINAL IS NOT PERMITTED V VENT TERMINAL Horizontal Vent Terminal Location for Power Direct Vent The following information should be used for determining the proper location of the vent terminal for direct vent water heaters. Canadian Installations US Installations 12 inches (30 cm) above anticipated...
  • Page 19 Installation POWER VENT INSTALLATION: vent pipe. To prevent this from happening, the pipe Power venting is where the indoor air is used and should be installed with a slight upward slope of 1/8” per foot. The vent system must be supported the exhaust is vented to the outside.
  • Page 20 Installation Figure 18 Schematic Diagram...
  • Page 21: Wiring Diagram

    Installation Wiring — A polarized 120V 50/60 Hz power in accordance with local codes. This water supply, with suitable disconnect means, must heater must be electrically grounded. Elec- be connected to the black and white leads trical power should be supplied through a provided.
  • Page 22: Installation Checklist

    Installation Check List A. Water Heater Location C. Gas Supply Close to area of vent. Gas line equipped with shut-off valve, union, and ❑ ❑ sediment trap/drip leg. Indoors and protected from freezing temperatures. ❑ ❑ Approved pipe joint compound used. Proper clearance from combustible surfaces ob- ❑...
  • Page 23 Operation SAFETY PRECAUTIONS A. Do turn off manual gas shut-off valve if water heater F. If there is any difficulty in understanding or following has been subjected to over heating, fire, flood, physi- the OPERATION or MAINTENANCE instructions, it is cal damage or if gas supply fails to shut off.
  • Page 24 Operation works properly after installation and in the future, Using a calibrated thermometer, take a measure- it is recommended that the heater's performance ment. If the water is not at a suitable temperature be measured and monitored. Run water out of a for the application, adjust the setting on the con- faucet nearest the heater until it comes out warm.
  • Page 25 Operation Figure: 21 Steps to adjust the setpoint temperature...
  • Page 26: Operating Instructions

    Operation 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 property damage, bodily injury, or death.
  • Page 27: Maintenance

    Maintenance Properly maintained, this water heater will provide years and/or 3/4” polyethylene pipe makes a good tool for of dependable, trouble free service. It is strongly sug- scraping and removing scale. gested that a regular routine maintenance program be established and followed by the owner. It is further rec- TO CLEAN OR INSPECT TANK: ommended that a periodic inspection of the relief valve and venting system should be made by service techni-...
  • Page 28 THE125-500A HA1 2000 - 5400 -1.3 THE125-500A HA2 5400 - 7800 -1.3 Contact Rheem if the measured manifold pressure varies by +/-0.5" W.C. or greater from the specified value. Outlet (Manifold) Pressure Inlet Pressure Tap Boss Tap Boss Outlet Side...
  • Page 29: Troubleshooting

    Troubleshooting Table 7: General Troubleshooting Problem Possible causes Recommended Action Check display for error code See tables 8 and 9 Air in the gas line Contact qualified agency to purge the air Unable to the burner from the gas line Loose wire connection Contact qualified agency to inspect the wire.
  • Page 30 Troubleshooting Table 8 shows a list of lockout error codes. A require a manual reset to resume operation after lockout code will be visible on the control dis- the root cause of the problem has been solved. play in the form of a code (letter "A" followed by To manually reset the control, press the "i"...
  • Page 31 Troubleshooting Table 9 shows a list of blocking error codes. A a number) and a short message. Blocking errors blocking code will be visible on the control dis- automatically reset once the error is corrected. play in the form of a code (letter "E" followed by Table 9 - Blocking Error Codes...
  • Page 32 Troubleshooting " " " " ° l l i i t - l l i " " 1 " " l l i - " ) " 1 " " l l i - " ) " l l i l l i i r t - "...
  • Page 33 Troubleshooting Servicing The Flame Rod and Ignitor can be checked. With the multimeter probes still in the terminal, switch the meter to check If an A01 lockout error code is present there for continuity. If continuity is not indicated, the has been a problem with lighting the burner.
  • Page 34: Parts List

    Parts List Table 11 - Parts Description Description Control Panel Cover Baffle Knob Outlet Pipe Nipple Assembly Sight Glass Tank Temperature Sensors (2-in-1) Flame Rod T&P Relief Valve Flame Rod Gasket Condensate Elbow Assembly Hot Surface Ignitor Trim Plate (2 pcs.) Hot Surface Ignitor Gasket Flue Gas Temperature Sensor Air Intake Assembly...
  • Page 35 Parts List Table 12 - Control Panel Parts Description Description Fuse Block Control Display Fuse, 5A (delay) Display Bracket Main Operating Control Transformer (120 VAC / 24 VAC) Terminal Block Standoff, 2.5 in. length Relay Power Switch Bracket Power Switch (for main control) Standoff, 3.5 in.
  • Page 36 Parts List Table 13 - Burner Assembly Parts Description Description Gas Pressure Switch Transition Tube Gas Control Flange (w/ gasket) Gasket (transition tube to burner) Gas Control Burner Blower Gasket (burner to mounting flange) Gasket (blower to transition tube) Flange Assembly ** - includes mounting flange, insulation disk, retaining plate and bolts...
  • Page 37: Notes

    Notes...
  • Page 38 Notes...
  • Page 39 Notes...
  • Page 40: How To Obtain Service Assistance

    Phone: 1-800-432-8373. f. List of people, with dates, who have been con- In CANADA: tacted regarding your problem. Rheem Canada, Ltd. / Ltée 125 Edgeware Road, Unit 1 Brampton, ON L6Y 0P5 Phone: 1-800-268-6966. The following Gaskets are required for Normal Maintenance for all Models:...

This manual is also suitable for:

Ghe 125-500a

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