Giant UG40-92TFTT-N2U Operation And Installation Manual Download Page 31

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Giant

Manual

Parts

Breakdown

ITEM

NO.

DESCRIPTION OF ENGINE PARTS

EXHAUST DUCT BOX

OVERHEAT SWITCH

HEAT EXCHANGER

THERMAL FUSE

ELECTRODE

FLAME ROD

MANIFOLD ASSEMBLY

P.C.B.

IGNITER

SURGE PROTECTOR

GAS CONTROL ASSEMBLY

GAS CONNECTION

DRAIN VALVE

HOT WATER OUTLET

COMBUSTION FAN

WATER INLET

WATER FILTER ASSEMBLY

WATER FLOW SENSOR

WATER FLOW CONTROL DEVICE

OPERATION UNIT

COMBUSTION AIR ASSEMBLY

FLAMMABLE VAPOR ASSEMBLY

BURNER THERMISTOR

COMBUSTION CHAMBER FRONT PLATE ASSEMBLY

OUTGOING WATER THERMISTOR

WALL INSTALLATION BRACKET

CO SENSOR

EXHAUST OUTLET ASSEMBLY

FRONT PANNEL ASSEMBLY

MAIN BURNER

ITEM

NO.

DESCRIPTION OF TANK PARTS

ENGINE

PUMP

ALTERNATIVE PUMP WITHOUT FLANGE (OPTIONAL)

T & P VALVE

ANODE

J-TUBE

DIPTUBE

OUTLET NIPPLE

DRAIN VALVE

THERMOSTAT BRACKET

FLEXIBLE HOSE

FRONT COVER

SIDE TRIM

THERMISTOR

SHOE-HORSE GROMMET

HEXAGONAL

REDUCING

BUSHING

NIPPLE

(Op onal

aluminum

anode

part

107000127)

Summary of Contents for UG40-92TFTT-N2U

Page 1: ...e in your building If you cannot reach your gas supplier call the fire department may result causing property damage personal injury or death WARNING READ ALL OF THE INSTRUCTIONS THOROUGHLY BEFORE INSTALLING OR OPERATING THIS WATER HEATER safety 30 performed UG40 92TFTT N2U Natural Gas UG40 92TFTT P2U Propane Water Heater FOR INDOOR APPLICATIONS ONLY ANS Z21 10 3 CSA 4 3 Hybrid Tank Tankless Water...

Page 2: ... 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 at 1 800 363 9354 Safety Defini ons 2 Safety Behaviors and Prac ces for the Consumer and Installer 3 5 Installa on Instruc ons Installer Qualifica ons 6 General Instruc ons 6 Determine Installa on Loca on 8 Typical Installa on Illustra on 9 Installa o...

Page 3: ... shower or bath To protect yourself from harm before performing maintenance Turn oﬀ the electrical power supply by unplugging the power cord or by turning oﬀ the electricity at the circuit breaker The temperature controller does not control the electrical power Turn oﬀ the gas at the manual gas valve usually located adjacent to the water heater Turn oﬀ the incoming water supply This can be done at...

Page 4: ...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 of this or any other appliance can result in serious injury or death FLAMMABLE Flammable Vapors WARNING DANGER Hot water can be dangerous especially for infants or children the elderly or infirm There is hot water scald poten al if...

Page 5: ... 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 Do not spray or use chemicals containing bleach cleaners polish silicone phosphorous or lubricants near the w...

Page 6: ...n damage to the area adjacent to the appliance or to lower floors of the structure When such locations cannot be avoided it is recommended that a suitable drain pan adequately drained be installed under the appliance The pan must not restrict combustion air flow Do not obstruct the flow of combustion and ventilation air Do not use this appliance in an application such as a pool or spa heater that ...

Page 7: ...d to control thermal expansion Contact the water supplier or local plumbing inspector on how to control thermal expansion 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 of your appliance Wa...

Page 8: ...repair due to corrosive compounds in the air is not covered by warranty Consideration of care for your water heater should include evaluation of water quality Water that contains chemicals exceeding the levels below affect and damage the heat exchanger Replacement of the heat exchanger due to water quality damage is not covered by the warranty Maximum Level Total Hardness Up to 200 mg L Aluminum U...

Page 9: ...earances 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 4 Min 12 Min ...

Page 10: ...rature Control K Outlet Receptacle L Drain Pan M Temperature Pressure Relief Valve Discharge Pipe do not cap plug or reduce N Drip Leg Sediment Trap O Gas Union P Gas Control Valve Q Thermosta c Mixing Valve R Non Tempered Return Line S Non Tempered Supply Line Typical Installa ons Field Supplied A B D C E F H P O N J I K G M L S F R Q A MIXING VALVE INSTALLATION RETURN SUPPLY COLD WATER SUPPLY NO...

Page 11: ... posi on the water heater on a solid concrete pla orm or base to avoid damage to the unit Do not use wood Drain Pan If the water heater is installed in a loca on that could result in damage to the home or structure precau ons must be taken to protect the property from water damage In the event of a tank or component failure an appropriately sized pan must be installed under the water heater The pa...

Page 12: ... not contain chemicals or exceed total hardness that will damage the heat exchanger The water heater and its water lines are protected from freezing A standard 3 prong 120 VAC 60 Hz properly grounded wall outlet or other properly grounded 120 VAC 60 Hz source is available The installation must conform with local codes or in the absence of local codes with the National Fuel Gas Code ANSI Z223 1 NFP...

Page 13: ...s 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 NaƟonal 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 m3 ...

Page 14: ...g as illustrated in Figure 1 considera on must be taken for the design of the louvers or grilles to maintain the required free area required for all gas u lizing equipment in the space If the free area of the louver or grille design is not available assume wood louvers will have 25 free area and metal louvers or grilles will have 75 free area Under no circumstance should the louver grille or scree...

Page 15: ...he outside by one of two ways When communica ng directly with the outdoors through horizontal ducts each opening shall have a minimum free area of 1 in2 2 000 BTU hr 1 100 mm2 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 ...

Page 16: ...nectors For vent passing through an interior wall use Type B vent with ven lated thimble ONLY The UG40 92TFTT N2U or UG40 92TFTT P2U CANNOT be vented into any chimney serving an open fireplace or any other solid fuel burning appliance Use the same diameter Category I connector or vent as permi ed by NFPA 54 ANSI Z223 1 ven ng tables It is not permi ed to reduce vent diameter 4 or 102 mm It is emph...

Page 17: ...r 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 Ve...

Page 18: ... 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 ...

Page 19: ... installed with U L listed type B vent material in accordance with the manufacturer s installation instructions and the requirements stated in the National Fuel Gas Code NFPA 54 ANSI Z223 1 latest edition and the requirements of local codes Vent should extend in a generally vertical direction Any vent angle less than 45 degrees is considered horizontal The total horizontal distance of the vent sys...

Page 20: ...lation 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 jurisdicti...

Page 21: ... NOT Do not plug the T P valve and do not install any reducing fi ngs or other restric ons in the relief line The relief line should allow for complete drainage of the T P valve and the line Do not place any other type valve or shut oﬀ device between the relief valve and the water heater MUST DO The T P valve must comply with the standard for Relief Valves and Automa c Gas Shutoﬀ Devices for Hot W...

Page 22: ...ure 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 c...

Page 23: ...Giant Manual 23 Massachusetts Required Plumbing ...

Page 24: ... for the proper unit to match the gas type Check the gas supply pressure immediately upstream at a loca on provided by the gas company Supplied gas pressure must be within the limits shown in the Specifica ons sec on with all gas appliances opera ng Before placing the appliance in opera on all joints including the heater must be checked for gas ghtness by means of leak detector solu on soap and wa...

Page 25: ... the UG40 92TFTT N2U or UG40 92TFTT P2U is 91 500 BTU HR Addi onal appliances at the loca on require 65 000 BTU HR Therefore the cubic feet per hour 91 500 65 000 1 000 156 5 FT3 HR 4 43 m3 HR If the pipe length is 10 feet 3 05 m then the 3 4 inch 19 mm pipe size is capable of supplying 156 5 FT3 HR 4 43 m3 HR of natural gas Gas Input of all gas products BTU HR Hea ng Value of Gas BTU FT 3 Cubic F...

Page 26: ...nst shock hazard and should be plugged directly into a properly grounded three prong receptacle Do not cut or remove the grounding terminal from this plug 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 f...

Page 27: ...nit and are leak free Clean the inlet water filter by first powering OFF the water heater Remove the lower enclosure Drain and relieve the pressure from the system Remove and clean the filter of any debris that may reduce water flow Once clean replace the filter Close the drain valve and pressurize the system Power the unit back ON and set desired temperature For more informa on on cleaning the fi...

Page 28: ...68 kg Thermal Eﬃciency 80 Noise level 50 dB Electrical Consump on Standby 3 Wa s Opera on 150 Wa s Minimum Gas Supply Pressure Natural Gas 4 0 inch 102 mm W C Propane 8 0 inch 203 mm W C Maximum Gas Supply Pressure Natural Gas 10 5 inch 267 mm W C Propane 13 5 inch 343 mm W C Type of Appliance Automa c Circula ng Tank Water Heater Approved Gas Type Natural Gas or Propane Ensure unit matches gas ty...

Page 29: ...Giant Manual 29 Dimensions Inches millimeters 23 8 605 26 660 18 7 475 24 8 630 25 8 655 27 5 698 51 2 1300 48 6 1234 8 203 10 254 20 508 27 5 698 ...

Page 30: ...30 Giant Manual Wire Diagram Wire Color Legend W WHITE BK BLACK BR BROWN R RED BL BLUE Y YELLOW P PINK O ORANGE GY GRAY ...

Page 31: ...APORASSEMBLY 26 BURNERTHERMISTOR 27 COMBUSTIONCHAMBERFRONTPLATEASSEMBLY 28 OUTGOINGWATERTHERMISTOR 29 WALL INSTALLATIONBRACKET 30 COSENSOR 31 EXHAUSTOUTLETASSEMBLY 32 FRONTPANNEL ASSEMBLY 33 MAINBURNER 32 33 1 2 3 4 7 14 5 13 16 11 18 17 10 15 19 12 8 6 9 ITEM NO DESCRIPTION OF TANK PARTS 1 ENGINE 2 PUMP 2 ALTERNATIVE PUMP WITHOUTFLANGE OPTIONAL 3 T P VALVE 4 ANODE 5 J TUBE 6 DIPTUBE 7 OUTLETNIPPL...

Page 32: ...ire or explosion D Do not use this appliance if any part has been under water Immediately call a qualified service technician to inspect the appliance and to replace any part of the control system and any gas control which has been under water OPERATING INSTRUCTIONS 1 STOP Read the safety information above on this label 2 Set the thermostat to the lowest setting 3 Turn off all electric power to th...

Page 33: ...2o C 5 140 F 60o 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 Note Freeze pr...

Page 34: ...Do not adjust the DIP switch unless specifically instructed to do so Do not use an extension cord or an adapter plug with this appliance Any alteration to the appliance or its controls can be dangerous and will void the warranty 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 regu...

Page 35: ... turned on at the water heater gas meter or cylinder Check for obstruc ons in the flue outlet Ensure appliance is properly grounded licensed professional only Ensure gas line meter and or regulator is sized properly Ensure gas type and pressure is correct Bleed all air from gas lines Ensure vent length vent size and combus on air comply with the requirements stated in the NaƟonal Fuel Gas Code ANS...

Page 36: ...le build up Replace sensor 35 Tank Temperature Sensor Check sensor wiring for damage Measure resistance of sensor Verify that sensor is properly positioned on the tank surface Replace sensor 38 CO or FV Sensor Check sensor wiring for damage Measure resistance of sensor Replace sensor 52 Modulating Solenoid Valve Signal Check modulating gas solenoid valve wiring harness for loose or damaged termina...

Page 37: ...ir filter assembly Part No 108000030 B Detection Controller Flashing 05 or 13 Flashing error code 05 or 13 may be an indication that the Air Screen is dirty or restricting air flow to the water heater Follow the cleaning procedure described in Step C If the controller continues to flash 13 after clean ing the Air Screen turn off the unit and contact a qualified service provider C Cleaning 1 Power ...

Page 38: ...a qualified service provider as this may indicate a pump error C Cleaning 1 Power OFF the water heater Push the round power bu on located on the right hand side of the controller 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...

Page 39: ...c ons on how to change the anode rod can be obtained from the manufacturer The life expectancy of the anode rod is reduced where a water so ener is introduced to fight hard make this wa ter extremely conduc ve In these condi ons the anode rod is consumed more rapidly and should be verified every year In certain water condi ons the anode rod will react with the water producing discolored or smelly ...

Page 40: ...ure 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 13 Close the hot water fixture and inspect the appliance and plumbing for leaks 1 2 Do not con nue un l all water has drained from the tank NOTICE 1 Disconnect electrical power to the wate...

Page 41: ...minates if the product is moved or reinstalled at a new loca on How long does warranty coverage last Period of Coverage from date of purchase Item Residen al Applica ons If used for both residen al water hea ng and space hea ng purposes Commercial Applica ons Heat Exchanger 10 years 1 5 years 2 3 years Tank 6 years 1 1 years 1 year All Other Parts and Components 3 years 1 3 years 3 years Reasonabl...

Page 42: ...r 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...

Page 43: ...nless 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 fro...

Page 44: ..._____________________________________________ ___________________________________________________________________________________________________________ ___________________________________________________________________________________________________________ ___________________________________________________________________________________________________________ ______________________________...

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