Table of Contents
Subscribe to Our Youtube Channel
Related Manuals for Marey 26HW70 A
Summary of Contents for Marey 26HW70 A
- Page 1 GAS 26L OUTDOOR NG/LP GAS GAS TANKLESS WATER HEATER INSTRUCTIONAL MANUAL Keep this manual with you after your unit has been installed, you may need it for further technical information. USA (855) 627-3955 PR (787) 727-0277 www.marey.com...
- Page 2 WARNING: This unit should be installed by a certi ed professional in accordance with all local building and plumbing codes Under no circumstances should you attempt to install, repair, or disassemble the Marey Gas Powered water heater without rst shutting off any gas supplied to the unit.
- Page 3 INDEX IMPORTANT NOTES PERFORMANCE FEATURES INTRODUCTION INSTALLATION REMOTE CONTROLLER INITIAL OPERATION NORMAL OPERATION MAINTENANCE AND SERVICE PACKING LIST...
-
Page 4: Important Notes
1. IMPORTANT NOTES - This manual has been prepared for the installation and use of the equipment. - Please keep it in a safe place for future reference. 1.1 INSTALLATION NOTES The installation must be done in accordance with the information supplied in this manual. All other relevant national, state and local regulations must also be adhered to including (but are not limited to): - National Fuel Gas Code:... -
Page 5: Plumbing Notes
1.4 PLUMBING NOTES PLEASE NOTE GA26O model is supplied factory pre-set at Nominal 70°C maximum outlet watertemperature to comply. - The GA26O unit REQUIRES a temperature control device to be installed. - Please follow all the instructions in the Installation Guide and the following additional instructions for the water heater outlet connection: 1. -
Page 6: Warning About Hot Water
IMPORTANT WARNINGS ABOUT HOT WATER WARNING ABOUT HOT WATER - Heated water can be dangerous, especially for young children and the vulnerable. - Water temperatures above 50°C can cause severe burns instantly and may even result in death. - Those most at risk are children, disabled and elderly. - Page 7 - Continuously variable wind resistance feature: when the chimney or the gas exhaustion is blocked, the built-in microcomputer system will detect and enhance the revolving speed of the fan to eliminate the noxious gas. When the revolving speed is up to the limited speed, the microcomputer system will send out an order to cut off gas and ame so as to protect the gas water heater.
- Page 8 3. INTRODUCTION - This manual provides information necessary for the installation, operation, and mainte- nance of the water heater. - The model description is listed on the name plate which is attached to the right side of the case of the water heater. (Please refer to p.12) - Please read all installation instructions completely before installing this product.
-
Page 9: Dimensions And Connection Points
3.1 DIMENSIONS AND CONNECTION POINTS Water inlet filter Cold water inlet Cold water inlet Controller interface Hot water outlet Gas inlet Drain screw... -
Page 10: Safety Guidelines
3.2 SAFETY GUIDELINES Ensure the following warnings and instructions are read and understood before commencing installation. WARNING - Installation and service must be performed by a licensed professional (for example, a licensed plumber). - The licensed professional is responsible for the correct installation of the water heater and for compliance with all relevant national, state and local regulations. -
Page 11: Installation
Refer to the section on the (Please refer to p.25). Freeze Prevention System for more information 4. INSTALLATION 4.1 SPECIFICATIONS TECHNICAL DATA AND DIMENSIONS Model name 26HW70 A Gas category ULPG Nominal Gas Consumption BTU/HR 180000 180000 Nominal minimum gas... -
Page 12: Confirm The Appliance Suitability
The water heater requires careful and correct installation to ensure safe and ef cient operation. This manual must be followed. Please read the “SAFETY GUIDELINES” and the “IMPORTANT- NOTES” sections at the beginning of this manual. 4.2 CONFIRM THE APPLIANCE SUITABILITY Check the gas type label and the name plate for the correct gas type, gas pressure, water pressure and electrical rating for your application. - Page 13 4.3 SELECTING SUITABLE LOCATION FOR INSTALLATION Carefully read this section before installation and selecting the location for installing the water heater. The following precautions should be considered. WARNING - This is a water heating apparatus only and the delivered water quality is dependent upon the quality of water supplied to this system.
-
Page 14: Clearances For Outdoor Heater Locations
4.4 CLEARANCES FOR OUTDOOR HEATER LOCATIONS - Clearance in accordance with local installation codes and the requirements of the gas supplier. - A vent shall not terminate directly above a sidewalk or paved driveway that is located between two single family dwellings and serves both dwellings. - Permitted only if veranda,porch,deck,or balcony is fully open on a minimum of two sides beneath the oor. - Page 15 - The distance between the water heater and the surrounding wall, unit: mm.
-
Page 16: Water Heater Installation
4.5 WATER HEATER INSTALLATION ①. According to the requirements of the gure and the size of the water heater, mark the wall with a dash mark, then drill three holes with a diameter of ¢8mm and a depth of 60mm, respectively insert three M6×50mm expansion screws into the hole and tight the expansion screws with a wrench. -
Page 17: Sizing And Connection Suitability
4.7 SIZING AND CONNECTION SUITABILITY - Check the gas type label to make sure that the unit was built for the type of gas you will be using, and that the gas inlet pressure is within the appropriate range.(Please refer to p.8.) - Gas pressure below this speci ed range for the water heater and/or insuf cient gas volume will adversely affect performance. -
Page 18: Water Connections
4.9 WATER CONNECTIONS WATER OUTLET TEE VALVE FILTER AND DRAIN PLUG GATE OR BALL VALVE ON INLET PRESSURE RELIEF VALVE DRAIN PIPE COLD WATER INLET HOT WATER OUTLET - All pipes, pipe ttings, valves and other components, including soldering materials, must be suitable for potable water systems. - Page 19 4.10 PRESSURE RELIEF VALVE INSTALLATION AND ATTENTIONS WATER OUTLET Model Recommended pressure relief TEE VALVE value / temperature GA26O 800kPa/99ºC (201ºF) PRESSURE RELIEF VALVE DRAIN PIPE HOT WATER OUTLET - Please use Te on tape or sealant to seal the thread of pressure relief valve, then install it into Tee valve G3/4 outlet (As shown above).
-
Page 20: Wiring Diagram
4.11 WIRING DIAGRAM WARNING Do not reverse the hot outlet and cold supply line connections to the water heater as this will cause your heater to operate improperly. 4.12 ELECTRICAL CONNECTION - The water heater must be electrically grounded. Do not attach the ground wire to either the gas or water piping. -
Page 21: Remote Controller
4.13 HOT WATER HEATER AUTOMATIC DRAINAGE - The water heater has an automatic drainage function. When the water inlet pressure of the water heater exceeds 1.0MPa~1.2MPa, the water heater will automatically drain and relieve pressure. - Do not place objects around the water heater to avoid damage caused by water immersion when draining. -
Page 22: Remote Controller Installation
REMOTE CONTROLLER INSTALLATION REQUIREMENTS - The remote controllers are splash resistant, however should not be positioned where it can be splashed directly & should be appropriately sealed between the surface of the wall & controller. - The remote controller can be installed in the bathroom provided it is correctly installed. Remote controllers output temperature setting (70°C mode) - The remote controller is able to adjust the output temperature in the range of 95ºF to 158ºF in one degree increments. -
Page 23: Connection Of Remote Controller Wiring To The Water Heater
5.2 CONNECTION OF REMOTE CONTROLLER WIRING TO THE WATER HEATER ①.Turn off the power supply to the water heater. ②.Connect the rst controller only and turn on the power supply to the water heater. ③.Turn off the rst controller by pressing the on/off button (LED light will turn off). ④. -
Page 24: Normal Operation
1. Once the above 2. Fully open the 3. Open a hot checks have been manual water water tap to verify completed, please control valve on the that water is clean filter of any water supply line. flowing to that debris (refer to p.24). -
Page 25: Normal Operation With Multiple Remote Controllers Installed
7.1 NORMAL OPERATION WITH MULTIPLE REMOTE CONTROLLERS INSTALLED - Press the ON/OFF button. The Power light will become lit on the remote controller with setting temperature displayed on each of the remote controllers. The controller with priority function will have a ashing Power light. - Set the required temperature using the Cool &... -
Page 26: Unit Draining And Filter Cleaning
The water heater should be checked at least once a year or as necessary by a licensed technician. If repairs are needed, any repairs should be done by a licensed technician. The water heater’s lifetime may be extended by regular maintenance. WARNING - Turn off the electrical power supply and close the manual gas control valve and the manual water control valve before servicing. -
Page 27: General Troubleshooting
8.2 GENERAL TROUBLESHOOTING TEMPERATURE AND AMOUNT OF HOT WATER PROBLEM POSSIBLE SOLUTIONS 1. Check cross plumbing between cold water lines and hot water lines. 2. Is the gas supply valve fully open? (p. 14 ) The water is not hot enough. 3. -
Page 28: Pcb Error Codes
Flue jam fault. The set shutdown time has been reached. If any codes like the above, if you check everything is normal, and if you restart the water heater but it cannot work normally, please notify the after-sales service staff at customerservice@marey.com. - Page 29 THE FOLLOWING CONDITIONS ARE NOT A FAULT PHENOMENON REASON AND HANDLING METHOD Outdoor temperature is too low, the exhausted smoke Exhaust white smoke. encountered in the cold air and then condensing into a white mist. Flow rate of Hot water is too small to ignite the water heater, the water heater will turn generated hot water off in the situation, then water will become cold.
-
Page 30: Packing List
8.4 THE TEMPERATURE SETTING OF 70°C MODE 70ºC 50ºC 65ºC 45ºC 60ºC 40ºC 55ºC WARNING 1.Service Shall Be Carried Out Only By Authorized Personnel And The Appliance Shall Not Be Modi ed; 2.The Appliance Must Be Installed, Commissioned And Serviced By An Authorized Person In Accordance With The Requirements;... -
Page 31: Puerto Rico
Please feel free to contact us if you have any questions about our products, warranty service, or if you need assistance installing a unit. We also strive for continuous improvement, so we welcome your comments, feedback and suggestions. U.S.A +1 (855) 627-3955 PUERTO RICO (787) 727-0277 customerservice@marey.com www.Marey.com...
Need help?
Do you have a question about the 26HW70 A and is the answer not in the manual?
Questions and answers