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Owner's Manual
Hybrid Tank-Tankless Water Heater
READ ALL OF THE INSTRUCTIONS THOROUGHLY BEFORE INSTALLING OR OPERATING THIS WATER HEATER.
safety
performed.
WARNING
— Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other
appliance.
— 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.
•
•
If you cannot reach your gas supplier, call the fire department.
—
54000052
may result causing property damage, personal injury or death.
Water Heater
UG40-92TFTT-N2U (Natural Gas)
UG40-92TFTT-P2U (Propane)
FOR INDOOR APPLICATIONS ONLY
ANS Z21.10.3
•
CSA 4.3
-30.
GI-IM046En-0713
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Summary of Contents for Giant UG40-92TFTT-N2U
- Page 1 Water Heater Hybrid Tank-Tankless Water Heater UG40-92TFTT-N2U (Natural Gas) UG40-92TFTT-P2U (Propane) FOR INDOOR APPLICATIONS ONLY ANS Z21.10.3 • CSA 4.3 READ ALL OF THE INSTRUCTIONS THOROUGHLY BEFORE INSTALLING OR OPERATING THIS WATER HEATER. safety -30. performed. WARNING may result causing property damage, personal injury or death.
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Page 2: Table Of Contents
Installa on of Gas Supply ...... 24‐25 Warranty Registra on Informa on .... 41 Connect Electricity ......... 2 6 Limited Warranty ........ 4 1‐43 Adjust for High Al tude ......... 2 6 Checklist for Gas and Electricity ..... 2 6 NOTICE: Giant some mes shares customer contact informa on with businesses that we believe provide products or services that may be useful to you. By providing this informa on, you agree that we can share your contact informa on for this purpose. If you prefer not to have your informa on shared with these businesses, please contact customer service and ask not to have your informa on shared. We will however, con nue to contact you with informa on relevant to the product(s) you registered and/ or you account with us. If you have any ques ons or feel that the manual is incomplete contact Giant ... -
Page 3: Safety Behaviors And Prac Ces For The Consumer And Installer
Turn off the gas at the manual gas valve, usually Make sure the water heater and its water lines are located adjacent to the water heater. protected from freezing. Damage due to freezing is Turn off the incoming water supply. This can be not covered by the warranty. done at the cold water supply valve immediately below the water heater or by turning off the water supply to the building. CAUTION BURN HAZARD. Hot exhaust and vent may cause Hot water outlet pipes leaving the unit can be hot serious burns. Keep away from water heater unit. to touch. In residen al applica ons, insula on Keep small children and animals away from unit. must be used for hot water pipes below 36” (914 mm) due to burn risk to children. California law requires this no ce to be provided: California Proposi on 65 lists chemical substances known to the state to cause cancer, birth defects, death, serious illness or other reproduc ve harm. This product may contain such substances, be their origin from fuel combus on (gas, oil) or components of the product itself. Giant Manual 3 ... - Page 4 Hot water can cause first degree burns with exposure for as li le as: 3 seconds at 140º F (60º C) 20 seconds at 130º F (54º C) 8 minutes at 120º F (48º C) Test the temperature of the water before placing a child in the bath or shower. WARNING For Your Safety Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliances. Storage of or use of gasoline or other flammable vapors or liquids in the vicinity FLAMMABLE of this or any other appliance can result in Flammable Vapors serious injury or death. This appliance is equipped with a three‐prong plug WARNING for your protec on against shock hazard and Do not use this appliance if any part has been should be plugged directly into a properly under water. Immediately call a qualified service grounded three‐prong receptacle. Do not cut or technician to inspect the appliance and to replace remove the ground prong from this plug. any part of the control system and any gas control which has been under water. Any altera on to the appliance or its controls can be dangerous and will void the warranty. 4 Giant Manual ...
- Page 5 Do not touch any electric device (including phone or light switch) Call emergency personnel from a neighbors phone Do not try to reset the water heater or light the pilot to any other appliance. When safety personnel has iden fied the area as safe and all flammable vapors have been removed and eliminated from the area, the units can be reset by unplugging the unit then plugging back in. WARNING Do not spray or use chemicals containing bleach, cleaners, polish, silicone, phosphorous, or lubricants near the water heater. These chemicals will damage the flammable vapor sensor. Never clean or tamper with the flammable vapor sensor. Do not place cat li er near the appliance as it can corrode or damage the sensor. If the sensor is corroded or damaged its reac on me can be affected and it may not react as described. Carbon Monoxide Hazard WARNING Install vent system per local and na onal codes. Read and follow all instruc ons in this sec on. Do not install this water heater above 5,400 (1,646 m). Do not obstruct water heater air intake. Do not operate water heater if flood damaged. Failure to properly vent this appliance can result in death, personal injury and/or property damage. Every home should have a carbon monoxide (CO) alarm in the hall‐ way near bedrooms in each sleeping area. Check ba eries monthly and replace them annually. Giant Manual 5 ...
- Page 6 ...... 2 0 Code, ANSI/NFPA 70, or the Canadian Electrical Installation of Plumbing ...... 21 Code, CSA C22.1. Checklist for Plumbing ...... 22 The appliance and its appliance main gas valve must be disconnected from the gas supply piping Massachusetts‐Required Plumbing .. 2 3 system during any pressure testing of that system Installation of Gas Supply .... 2 4‐25 at test pressures in excess of 1/2 psi (3.5 kPa) (13.84 in W.C.). Connect Electricity ........ 2 6 The appliance must be isolated from the gas supply Adjust for High Altitude ...... 26 piping system by closing its individual manual shutoff valve during any pressure testing of the gas Checklist for Gas and Electricity .... 26 supply piping system at test pressures equal to or Final Checklist .......... 27 less than 1/2 psi (3.5 kPa) (13.84 in W.C.). 6 Giant Manual ...
- Page 7 Soap solu on Teflon tape Contact the water supplier or local plumbing (recommended) or pipe inspector on how to control thermal expansion. Approved ven ng compound Should overhea ng occur or the gas supply fail to shut off, turn off the manual gas control valve to the appliance. Keep the air intake loca on free of chemicals such as chlorine or bleach that produce fumes. These fumes can damage components and reduce the life Materials that may be needed of your appliance. Heat tape Single gang electrical box Pipe insula on Wire nuts Electrical wire and conduit per local code Unions and drain valves Giant Manual 7 ...
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Page 8: Determine Installation Location
* Source: Part 143 National Secondary Drinking Water Regulations If you install this water heater in an area that is known to have hard water or that causes scale build- up the water must be treated and/or the heat exchanger flushed regularly. Giant Manual... - Page 9 Minimum Clearances The minimum clearances from both combus bles and non‐combus bles construc on is: 0 inches from the sides 0 inches from the back 12 inches (300 mm) from the top 4 inches (102 mm) from the front 0” Min 0” Min 0” Min 12” Min 4” Min Giant Manual 9 ...
- Page 10 K Outlet Receptacle * L Drain Pan * M Temperature & Pressure‐Relief * Valve Discharge Pipe (do not cap, plug, or reduce ) MIXING VALVE INSTALLATION Q A N Drip Leg (Sediment Trap) * F S O Gas Union * P Gas Control Valve R Q Thermosta c Mixing Valve * R Non‐Tempered Return Line * S Non‐Tempered Supply Line * Field Supplied 10 Giant Manual ...
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Page 11: Installa On Loca
¾” (19 mm) connec on and shall be drained per local code requirements. Stand Depending on local code, a stand may not be required due to the igni on source being over 18” (457 mm) from the base of the appliance. Alcove or closet See clearance requirements and combus on air requirements. Insula on Blanket This water heater meets or exceeds the Na onal Appliance Energy Conserva on Act standards with respect to insula on and standby losses. If an insula on blanket is s ll desired, the following procedure must be followed. a. Maintain an adequate distance from the vent. b. Do not cover the front door of the tankless engine or the lower enclosure of the assembly. c. Do not cover the combus on air grill located on the front door of the tankless engine. d. Do not obstruct the opera on of the pressure relief valve. e. Obtain new warning labels from the manufacturer to place on the blanket, directly over the exis ng labels. f. Frequently inspect the blanket to ensure the insula on blanket has not been disturbed. Giant Manual 11 ... -
Page 12: Checklist To Determine Installation Location
National Fuel Gas Code, ANSI Z223.1/NFPA 54, or the Natural Gas and Propane Installation Code, CSA B149.1. □ Leave the entire manual taped to the water heater or give the entire manual directly to the consumer. Giant Manual... -
Page 13: Combus On Air Requirements
Combus on air must be free of acid forming chemical such as sulfur, fluorine and chlorine. These chemicals have been found to cause rapid damage and decay and can become toxic when used as combus on air in gas appliances. Such chemicals can be found in, but not limited to bleach, ammonia, cat li er, aerosol sprays, cleaning solvents, varnish, paint and air fresheners. Do not store these products or similar products in the vicinity of this water heater. Unconfined Space An unconfined space is defined in Na onal Fuel Gas Code, ANSI Z223.1/NFPA 54 as “a space whose volume is not less than 50 cubic feet per 1,000 BTU/hr (4.8 m per kW per hour) of the aggregate input ra ng of all appliances installed in that space. Rooms communica ng directly with the space in which the appliances are installed, through openings not furnished with doors, are considered a part of the unconfined space.” If the “unconfined space” containing the appliance(s) is in a building with ght construc on, addi onal outside air may be required for proper opera on. Outside air openings should be sized the same as for a confined space. (10.6m) (7.6m) (7.6m) Unconfined Space Unconfined Space 91,300 BTU Water Heater and a 100,000 BTU Furnace Giant Manual 13 ... -
Page 14: Combustion Air Requirements
Figure 1 free area. Under no circumstance should the louver, grille or screen have openings smaller than ¼” (6 mm). Example: 2 Wood: 10 in (250 mm) x 12 in (300 mm) x 0.25 = 30 in (193.5 cm ) 2 Metal: 10 in (250 mm) x 12 in (300 mm) x 0.75 = 90 in (580.6 cm ) Loca on To maintain proper circula on of combus on air two permanent openings (one upper, one lower) must be posi oned in confined spaces. The upper shall be within 12 inches (300 mm) of the confined space and the lower opening shall be within 12 inches (300 mm) of the bo om of the confined space. Openings must be posi oned as to never be obstructed. Combus on air provided to the appliance should not be taken from any area of the structure that may produce a nega ve pressure (i.e. exhaust fans, powered ven la on fans). 14 Giant Manual ... - Page 15 Directly through horizontal ducts Indirectly through ver cal ducts When communica ng directly with the outdoors through horizontal ducts, each opening shall have a minimum free area of 1 in /2,000 BTU/hr (1,100 /kW) of total input ra ng of all appliances in the confined space. Note: If ducts are used, the cross sec onal area of the duct must be greater than or equal to the re‐ quired free area of the openings to which they are connected. When communica ng indirectly with the outdoors through ver cal ducts, each opening shall have a minimum free area of 1 in /4,000 BTU/hr (550 /kW) of total input ra ng of all appliances in the confined space. Combus on air to the appliance can be provided from a well ven lated a c or crawl space. Giant Manual 15 ...
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Page 16: Ven Ng Requirements
All vent (Category I) passing through a concealed space, an a c or floor, MUST be Type B double wall vent and/or Type B double wall vent connectors. For vent passing through an interior wall, use Type B vent with ven lated thimble ONLY. WARNING The UG40‐92TFTT‐N2U or UG40‐92TFTT‐P2U CANNOT be vented into any chimney serving an open fireplace or any Devices a ached to the vent system intended to other solid fuel burning appliance. increase system efficiency by reducing the heat loss of Use the same diameter Category I connector or vent as the vent system MUST not be used on this water permi ed by NFPA 54/ANSI Z223.1 ven ng tables. heater. Giant accepts no liability for damage or injury It is not permi ed to reduce vent diameter (4” or 102 mm). if such devices are installed on the vent system with It is emphasized that ver cal Category I vent or vent this appliance. connector runs be as short and direct as possible. WARNING Ver cal outdoor runs of type B or ANY single wall vent below the roof line are NOT permi ed. Vent Pipe Assembly: To avoid damage to the vent and All horizontal vent runs to be sloped up away from the vent adapter, pre drill holes with a 1/8” (3.1 mm) drill ... - Page 17 Type B (B‐Vent) Double wall, U.L. listed vent pipe Type B (B‐Vent) Single wall, U.L. listed vent pipe Note the following when installing a vent connector from the appliance to the chimney or ver cal vent: Length: A vent connector shall be as short as prac cal and the appliance located as close as prac cal to the chimney or vent. The maximum horizontal length of the vent connector cannot exceed 75% of the height of the chimney or vent. Unnecessary bends should be avoided as to not create excessive resistance to flow of vent gases. Prohibited loca ons: Vent Connectors cannot pass through any ceiling, floor, firewall, or fire par on. Single wall vent connectors: A single wall vent connector must not pass through any interior CHIMNEY walls, floors or ceilings. A single wall vent OR connector must not be installed in a cs, crawl spaces or any other confined space or inaccessible loca on. Maintain a minimum of 6” (152 mm) from Vent Connector combus bles when using single walled vent connectors. MIN. ¼ inch rise Double Walled, B‐Vent: It is acceptable to pass per foot through walls or par ons with double walled, B‐ Vent. Slope: Vent connectors must pitch ¼ inch per foot (21 mm per meter) upward. Giant Manual 17 ...
- Page 18 Over 20/12 to 21/12 8.0 2.44 The vent termina on shall comply with the following requirements: If the gas vent is 12 inches (300 mm) or less in diameter and located not less than 8 (2.4 m) from a ver cal wall or similar obstruc on, the termina on must comply with the requirements stated in Table 1 and Figure 2. If the gas vent is greater than 12 inches (300 mm) in diameter or located less than 8 (2.4 m) from a ver cal wall or similar obstruc on, the termina on must end not less than 2 (0.6 m) above any por on of a building within 10 (3.0 m) horizontally. B‐Vent type gas vent shall terminate at least 5 (1.5 m) in ver cal height above the highest connected appliance dra hood or flue collar. Decora ve shrouds or coverings shall not be installed over the gas vent termina on unless listed for use with the specific gas vent and are installed in accordance with the manufacturer’s installa on instruc ons. All gas vents shall extend through the roof flashing, roof jack, or roof thimble and terminate with a listed cap or listed roof assembly. The gas vent shall terminate at least 3 (0.9 m) above any forced air inlet located within 10 (3.0 m). 18 Giant Manual ...
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Page 19: Venting Requirements
Follow the National Fuel Gas Code, ANSI Z223.1 and or the National Gas Installation code, CSA-B149.1 & .2 for proper installation practices. If you are unsure or need assistance in correct application of a common vent installation consult the local gas authority for assistance in the vent system design. Giant Manual... -
Page 20: Checklist For Combustion Air And Venting Requirements
Checklist for Combustion Air and Venting Requirements □ Verify proper clearances around the vents. □ Ensure that the Combustion Air Requirements are followed that will provide sufficient combustion air for the appliance. □ Ensure you have used the correct venting products for Category 1 and that you have completely followed the venting manufacturer’s installation instructions and these installation instructions. All installations must be vented in accordance with National Fuel Gas Code NFPA 54/ANSI Z223.1 ‐ latest edition and the requirements of state or local codes. In Canada, the furnaces must be vented in accordance with the National Standard of Canada, CAN/CSA B149.1 and CAN/CSA B149.2 ‐ latest editions and amendments and the codes of the local utility or other authority having jurisdiction. □ All horizontal vent runs must be sloped up away from the water heater a minimum of 1/4“ (6 mm) per foot. □ Verify that the vent termination clearances are followed. □ Verify that there is adequate combustion air. 20 Giant Manual ... -
Page 21: Installa On Of Plumbing
Pressure Relief Valves and Vacuum Relief Valves, was previously used with a no potable water CAN1‐4.4. hea ng appliance. The T&P valve must be rated up to 150 psi and to Ensure that the water filter on the water heater is at least the maximum BTU/hr of the appliance. clean and installed. The discharge from the T&P Valve should be piped to the ground or into a drain system to prevent exposure or possible burn hazards to humans or other plant or animal life. Follow local codes. Water discharged from the relief valve could cause severe burns instantly, scalds, or death. The Temperature & Pressure‐Relief Valve must be manually operated once a year to check for correct opera on. The T&P valve should be added to the hot water outlet line and near the hot water outlet according to the manufacturer’s instruc ons. DO NOT place any other type valve or shut off device between the relief valve and the water heater. Giant Manual 21 ... -
Page 22: Checklist For Plumbing
fi ngs, which is not covered by the warranty. Filling the Water Heater DO NOT OPERATE THIS WATER HEATER UNLESS IT IS COMPLETELY FULL OF WATER. To prevent damage to the appliance all air must be relieved from the system and a hot water fixture must be flowing water before the water heater is plugged in and turned on. To ensure safe and effec ve opera on of the water heater use the following filling procedure: To fill the water Heater: 1. Ensure the drain valve located at the bo om of the tank is closed. 2. Open nearest hot water fixture in the system. 3. Open the cold supply valve to the water heater. 4. Keep the hot water fixture open un l the tank is filled and constant flow is obtained at the fixture. 5. Check water heater connec ons and plumbing system for damage or leaks. Repair if needed. 22 Giant Manual ... -
Page 23: Massachuse S-Required Plumbing
Massachusetts - Required Plumbing Giant Manual... -
Page 24: Installa On Of Gas Supply
Use approved connectors to connect the unit to the gas line. Purge the gas line of any debris before connec on to the water heater. Any compound used on the threaded joint of the gas piping shall be a type which resists the ac on of liquefied petroleum gas (propane / LPG). The gas supply line shall be gas ght, sized, and so installed as to provide a supply of gas sufficient to meet the maximum demand of the heater and all other gas consuming appliances at the loca on without loss of pressure. Always check all gas pipe connec ons and fi ngs for leaks before opera ng the water heater. Use soapy water on all fi ng and visually inspect for bubble forma on. Rinse off soapy water and wipe dry. INFORMATION Gas Connec on (1/2” (12.7 mm) MNPT) Refer to an approved pipe sizing chart if in doubt about the size of the gas line. 24 Giant Manual ... - Page 25 1,150 2,350 20 200 418 787 1,620 30 160 336 632 1,300 40 137 287 541 1,110 50 122 255 480 985 60 110 231 434 892 80 101 212 400 821 100 94 197 372 763 Giant Manual 25 ...
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Page 26: Connect Electricity
ON hazard and should be plugged directly into a properly grounded three‐prong receptacle. Do not cut or Dip Switch Se ngs remove the grounding terminal from this plug. Do not rely on the gas or water piping to ground the water heater. A screw is provided in the junc on box for the grounding connec on. The water heater requires 120 VAC, 60 Hz power from a properly grounded circuit. If using the 5 foot (1.5 m) long power cord, plug it into a standard 3 prong 120 VAC, 60 Hz properly grounded wall outlet. Checklist for Gas and Electricity □ A manual gas control valve is placed in the gas line to the water heater. □ Check the gas lines and connec ons for leaks. □ Confirm that the gas inlet pressure is within limits. □ Confirm that the water heater is rated for the gas type supplied. □ Confirm that the electricity is supplied from 120 VAC, 60 Hz power source and is in a properly grounded circuit. □ An extension cord or an adapter plug has not been used with the water heater. 26 Giant Manual ... -
Page 27: Final Checklist
□ Explain to the customer the opera on of the if necessary. water heater, safety guidelines, maintenance, and □ Ensure the water heater is vented in accordance warranty. with Na onal Fuel Gas Code, ANSI Z223.1/NFPA □ Inform the consumer of the importance of good 54 ‐ latest edi on and the requirements of state water quality and its effects on the warranty. or local codes. □ Ensure that hot and cold water lines are not □ Leave the en re manual taped to the water crossed to the unit and are leak free. heater, or give the en re manual directly to the consumer. Giant Manual 27 ... -
Page 28: Technical Data
Automa c Circula ng Tank Water Heater Approved Gas Type Natural Gas or Propane ‐ Ensure unit matches gas type supplied at the installa on loca on. Gas Supply: 1/2” (12.7 mm) MNPT, Connec ons Cold Water Inlet: 3/4” (19 mm) MNPT, Hot Water Outlet: 3/4" (19 mm) MNPT Igni on System Direct Electronic Igni on Electric Connec ons Appliance: AC 120 Volts, 60Hz Water Temperature Control Simula on Feedforward and Feedback Water Supply Pressure Minimum Water Pressure: 20 PSI (Recommended 30‐50 PSI for maximum performance) Maximum Water Supply Pressure 150 PSI Flammable Vapor Sensor Sensor and Switches Combus on Air Co Sensor Bi‐Metal Overheat Switch Giant is con nually upda ng and improving products. Therefore, specifica ons are subject to change without prior no ce. The maximum inlet gas pressure must not exceed the value specified by the manufacturer. The minimum value listed is for the purpose of input adjustment. 28 Giant Manual ... -
Page 29: Dimensions
Dimensions Inches (millimeters) 23.8 (605) (203) 18.7 (475) 24.8 (630) 25.8 (655) 27.5 (698) (254) (508) Giant Manual... -
Page 30: Wire Diagram
Wire Diagram Wire Color Legend W:..WHITE BK:….BLACK BR:….BROWN R:…...RED BL:….BLUE Y:…...YELLOW P:…...PINK O:…...ORANGE GY:….GRAY 30 Giant Manual ... -
Page 31: Parts Breakdown
FLEXIBLE HOSE 2 FLEXIBLE HOSE FRONT COVER 8 SIDE TRIM THERMISTOR SHOE-HORSE GROMMET HEXAGONAL REDUCING BUSHING CLOSE NIPPLE 13 15 10 2* 9 18 17 11 (Op onal aluminum anode part # is 107000127) Giant Manual 31 ... -
Page 32: Consumer Opera On Guidelines For The Safe Opera On Of Your Water Heater
1.Set the thermostat to lowest setting. 2.Turn off all electric power to the water heater if service is to be performed. 3.Turn the manual gas valve at the gas inlet of the appliance clockwise to the “OFF” position. 32 Giant Manual ... -
Page 33: How To Use The Temperature Controller
How to use the Temperature Controller Temperature Control Note: Freeze protec on will ac vate as long as gas and electricity are available. Five temperature se ngs are available. Push the up and down arrows to choose your desired temperature se ng. The number on the display corresponds to the temperatures below: 1 = 110°F (43.3 C) 2 = 120°F (48.9 C) 3 = 130°F (54.4 C) 4 = 135°F (57.2 C) 5 = 140°F (60 C) To display the recovery flow rate in gallons per minute through the unit (not to the fixture), press the UP bu on for 3 seconds, followed by ON/OFF. To display the temperature supplied to the storage tank in degrees Fahrenheit, press the DOWN bu on for 3 seconds followed by ON/OFF. (Note: temperature will display only one or two digits, Examples: 8 = 80 to 89 and 14 = 140 to 149) Giant Manual 33 ... - Page 34 Giant provides a “Scale Control System” that offers superior lime scale prevention and Keep the area around the appliance clear and free...
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Page 35: Diagnos C Codes And Remedies
Check power supply for loose connec ons. only Check power supply for proper voltage and voltage drops. Ensure flame rod wire is connected. Check flame rod for carbon build‐up. Disconnect and reconnect all wiring harnesses on unit and PC board. Check for DC shorts at components. Check gas solenoid valves for open or short circuits. Remove burner plate and inspect burner surface for condensa on or debris. 13 Combus on Review items liste under codes “05” and “10”. Flammable Vapors Leave the area immediately, leaving the exit point open to allow ven la on Detected Do not touch any electric device (including phone or light switch) Call emergency personnel from a neighbors phone WARNING Do not try to reset the water heater or light the pilot to any other appliance When safety personnel have iden fied the area as safe and all flammable vapors have been removed and eliminated, the units can be reset by unplugging the unit then plugging back in. If “FE” con nues to flash a er area is determined to be free from flammable vapors, contact a qualified service technician. Giant Manual 35 ... - Page 36 Replace flame rod. Burner Sensor Circuit Check sensor wiring and PCB for damage. Replace sensor. No hot water, no light Confirm the water heater is plugged in and 120 volts is available code or error code on the display Giant Manual...
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Page 37: System Maintenance
Swing the door open and pull the door off the water heater front panel. 3. Clean the Air Screen With mild dish soap and a soft bristle brush, scrub the screen area of the Air Screen Door. Giant Manual... -
Page 38: Water Filter
Display will go blank when the power is off. 2. Remove the lower enclosure. Remove the screws around the perimeter of the pump enclosure Remove the enclosure by first pulling away the bo om por on. 3. Drain and Relieve pressure from the system Close the cold water supply valve on the water heater Open any hot water fixture and leave open to allow draining A ach one end of a hose to the drain valve and posi on the other end of the hose at a near by drain. 4. Remove the filter by turning the thumb screw in a counterclockwise mo on. 5. Clean the filter and remove any debris that may reduce water flow. 6. Replace the filter. Turn the thumb screw in clockwise direc on un l finger ght. 7. Close the drain valve and open the cold water supply valve leaving the hot water fixture open un l all air is out of the system 8. Power ON the water heater and set to desired temperature. 9. Close the hot water fixture when finished. 38 Giant Manual ... -
Page 39: Required Maintenance
WARNING Hydrogen gas can be produced in a hot water system that has not been used for a long period of me (generally two (2) weeks or more). HYDROGEN GAS IS EXTREMELY FLAMMABLE. It is highly recommended to open the hot water faucet in the kitchen for several minutes before you use any electrical appliances connected to the hot water system, such as a dishwasher or washing machine. If hydrogen gas is present, there will be an unusual sound, such as air escaping through the pipe, as the hot water faucet is opened. DO NOT smoke or introduce an open flame near the faucet when it is opened. Giant Manual 39 ... - Page 40 5 gallon pail of virgin, e. Remove, clean and replace the in‐line filter. food grade, white vinegar (or virgin, f. Remove Hose (H3) and the cold water sup‐ food grade, citric 1 ply hose from the base of the engine. 2 1 g. Re‐Install the (3/4” NPT) flex fi ngs and H1 2 to the assembly. h. C LOSE THE DRAIN VALVE PUMP i. Open the cold water supply valve un l wa‐ ter flows from the hot water fixture H2 H3 j. Close the cold water supply valve. k. Connect power to the water heater and turn the temperature down to set point 1. 12.Open the cold water supply valve un l water flows from the hot water fixture (See Step 2). DRAIN 13.Close the hot water fixture and inspect the appliance and plumbing for leaks. 40 Giant Manual ...
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Page 41: Consumer Support
_____________________________ Date of Purchase: __________________________________ Model No.: ________________________________________ Serial No.: ________________________________________ Installed by: ___________________________ Installer’s License No.: _____________________ Address: _____________________________ Phone: _________________________________ Limited Warranty for Hybrid Tank ‐ Tankless What is covered? The Giant Standard Limited Warranty covers any defects in materials or workmanship when the product is installed and operated according to Giant wri en installa on instruc ons, subject to the terms within this Limited Warranty document. This Limited Warranty applies only to products that are installed correctly. Improper installa on may void this Limited Warranty. Giant strongly suggests that you use a licensed professional who has a ended a Giant installa on training class before installing this water heater. This Limited Warranty coverage as set out in the table below extends to the original purchaser and subsequent owners, but only while the product remains at the site of the original installa on. This Limited Warranty only extends to the first / original installa on of the product and terminates if the product is moved or reinstalled at a new loca on. How long does warranty coverage last? ... - Page 42 Replacement of the product may be authorized by Giant only at its sole discre on. Giant does not authorize any person or company to assume for it any obliga on or liability in connec on with the replacement of the product. If Giant determines that repair of a product is not possible, Giant may replace the product with a comparable product at Giant’s sole discre on. If a component or product returned to Giant is found to be free of defects in material or workmanship, or damaged by improper installa on or damaged during return shipping, the warranty claim for product, parts and labor may be denied. How do I get service? You must contact a licensed professional for the repair of a product under this Limited Warranty. For the name of a licensed professional please contact your place of purchase, visit the Giant website (www.gian nc.com), call Giant at 1-800-363-9354. or write to Giant at 40 rue Lesage, Montreal-East (Qc) H1B 5H3 . Proof of purchase is required to obtain warranty service. You may show proof of purchase with a dated sales re- ceipt, or by registering within 30 days of purchasing the product. Receipt of Registra on by Giant will cons tute proof-of-purchase for this product. Registra on of product installed in new home construc on may be verified with a copy of the closing papers provided by the ini al home buyer. However, Registra on is not necessary in order to validate this Limited Warranty. What is not covered? This Warranty does not cover any failures or opera ng difficul es due to the following: water quality ...
- Page 43 Limita ons on warran es No one is authorized to make any other warran es on behalf of Giant Factories Inc. Except as expressly provided herein, there are no other warran es, expressed or implied, including, but not limited to warran es of mer- chantability or fitness for a par cular purpose, which extend beyond the descrip on of the warranty herein. Any implied warran es of merchantability and fitness arising under state law are limited in dura on to the peri- od of coverage provided by this Limited Warranty, unless the period provided by state law is less. Some provinc- es or states do not allow limita ons on how long an implied Limited Warranty lasts, so the above limita on may not apply to you. Giant shall not be liable for indirect, incidental, special, consequen al or other similar damages that may arise, including lost profits, damage to person or property, loss of use, inconvenience, or liability arising from improper installa on, service or use. Some provinces or states do not allow the exclusion or limita on of incidental or consequen al damages, so the above limita on may not apply to you. This Limited Warranty gives you specific legal rights, and you may also have other rights which vary from state to state. www.gian nc.com 43 Giant Manual 41 ...
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