Marey 26HW70 A Instructional Manual Download Page 1

Keep this manual with you after your unit has been installed, you 

may need it for further technical information.

GAS TANKLESS WATER HEATER

INSTRUCTIONAL
MANUAL

USA (855) 627-3955

PR (787) 727-0277

www.

m

arey.com

GAS 26L 

OUTDOOR

NG/LP GAS

Summary of Contents for 26HW70 A

Page 1: ...l with you after your unit has been installed you may need it for further technical information GAS TANKLESS WATER HEATER INSTRUCTIONAL MANUAL USA 855 627 3955 PR 787 727 0277 www marey com GAS 26L OU...

Page 2: ...ation manual in its entirety before you attempt to install your new gas Powered tankless water heater as it contains important safety tips and instructions Please carefully read all instructions and w...

Page 3: ...INDEX IMPORTANT NOTES PERFORMANCE FEATURES INTRODUCTION INSTALLATION REMOTE CONTROLLER INITIAL OPERATION NORMAL OPERATION MAINTENANCE AND SERVICE PACKING LIST 04 06 08 11 21 23 24 25 30...

Page 4: ...Standard CSA C22 American National Standard Canadian Standards Association Standard for Gas Water Heaters ANSI Z21 10 3 CSA Local Water Gas Electrical and Plumbing Authority Regulations Municipal Buil...

Page 5: ...e used between the outlet of the water heater and the first tap outlet As shown in the picture below 2 The hot water line should be insulated with Armaflex or similar pipe insulation 3 When the instal...

Page 6: ...rstand the need to have the water temperature set at a safe level This product is a forced type gas water heater When the gas water heater is powered on the expended gas will be forced to exhaust out...

Page 7: ...tomatic drainage function When the water inlet pressure of the water heater exceeds 1 0MPa 1 2MPa the water heater will automatically drain Please do not place objects around the water heater to avoid...

Page 8: ...EATER IS SHOWN BELOW OPERATION PROCESS OF GAS WATER HEATER A hot water tap is turned on Water enters the water heater via the cold water inlet The water flow sensor detects the water flow The computer...

Page 9: ...09 3 1 DIMENSIONS AND CONNECTION POINTS Cold water inlet Cold water inlet Drain screw Water inlet lter Controller interface Hot water outlet Gas inlet...

Page 10: ...for the correct installation of the water heater and for compliance with all relevant national state and local regulations The water heater must be installed outdoors only Do not install water heater...

Page 11: ...only works if the unit has electrical power The warranty will not be covered if the heat exchanger is damaged due to freezing Refer to the section on the Freeze Prevention System for more information...

Page 12: ...term operation This is a water heating apparatus only and the delivered water quality is dependent upon the quality of water supplied to this system The connection attachment integration or general as...

Page 13: ...use improper combustion Locate the unit for easy access and maintain clearance for service and maintenance Install the unit so that it can be connected or removed easily The water heater must be insta...

Page 14: ...of two sides beneath the floor This water heater is strictly forbidden to be installed indoors and in the bathroom The water heater shall not be installed under the exhaust fan of the exhaust fan or...

Page 15: ...15 The distance between the water heater and the surrounding wall unit mm...

Page 16: ...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 Hang up the water heater screw on the M6nut and fix the water h...

Page 17: ...a licensed professional When the gas connections are completed perform a gas leak test either by applying soapy water to all gas fittings and observing for bubbles or by using a gas leak detection de...

Page 18: ...xpansion tank or a flexible connection bellows can absorb a part of the expansion amount the expansion tank or the soft connection bellows cannot absorb the pressure relief valve needed to protect the...

Page 19: ...unction It requires hot water system maintenance of anti fouling and anti scaling cleaning The user must check the relief valve at least once a year When checking turn off the water heater s power sup...

Page 20: ...that the electrical power can be switched off if necessary If the cord supplied with this appliance must be replaced it must be replaced with the correct appliance wiring material supplied by the Manu...

Page 21: ...iven PRIORITY function and can freely adjust the temperature Remaining controllers will display the set tempera ture however will not be able to make any adjustments After a 15 minute period of inacti...

Page 22: ...comes with a 7 9m cable If a longer cable is needed please purchase a shielding line Cut the original line and rewire according to the polarity to avoid short circuit whilst adhering to the requiremen...

Page 23: ...include 0 1 2 Press the on off button to confirm The ID of the remote control cannot be repeated Repeat for all additional controllers Controllers can now be turned on and will operate as per the PRI...

Page 24: ...remote control can be started after re opening the water Power failure before operation the water heater can not start to provide hot water service DO NOT SPRAY IN THE VICINITY OF THIS APPLIANCE WHIL...

Page 25: ...remote controller with setting temperature displayed on each of the remote controllers The controller with priority function will have a flashing Power light Set the required temperature using the Coo...

Page 26: ...he house Bathroom kitchen laundry etc When the residual water flow has ceased close all hot water taps Have a bucket or container to catch the water from the unit s drain plugs Unscrew the drain plugs...

Page 27: ...p 8 3 Is the supply gas pressure enough p 8 4 Check for cross connection between cold water lines and hot water lines It takes a long time to get hot water at the fixtures 1 The time it takes to deli...

Page 28: ...ter temperature probe fault E1 Flame fault Please check whether the gas supply is normal or not confirm the gas is correctly connect and then use E2 False fire fault E3 Thermostat protection E4 Water...

Page 29: ...be too high then please adjust the amount of water properly more After using 40 minutes the water heater suddenly flameouts In order to prevent hypoxia some models have 40 minutes timer protection fu...

Page 30: ...uirements 3 Warning For Continued Safety Of This Appliance It Must Be Installed Operated And Maintained In Accordance With The Manufacturer S Instructions WARNING 9 PACKING LIST NUMERICAL ORDER DESIGN...

Page 31: ...S A 787 727 0277 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 impr...

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