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TWIN PIPE VENTING GUIDE

Total Equivalent Vent Length (Intake/outlet) for Twin Pipe three (3) inch (7.6 cm) PVC/CPVC

Maximum Vent Length

65 feet (19.8 m)

Termination Type

IPEX Concentric

Vent Kit

Snorkel

Termination

Side Wall Tee

Termination

Low Profile

Termination

Termination Equivalent Length

in feet (meters) (Already factored into the

straight pipe lengths below)

20 (6.1)

10 (3.0)

5 (1.5)

# of 90° Elbows (each: 5 equivalent feet)

Max. straight pipe vent length in feet (meters)

45 (13.7) **

55 (16.8) **

60 (18.3) **

40 (12.2) **

50 (15.2) **

55 (16.8) **

35 (10.7) **

45 (13.7) **

50 (15.2) **

30 (9.1) **

40 (12.2) **

45 (13.7) **

25 (7.6) **

35 (10.7) **

40 (12.2) **

20 (6.1) **

30 (9.1) **

35 (10.7) **

15 (4.6) **

25 (7.6) **

30 (9.1) **

Table 11 - Natural Gas Units

Total Equivalent Vent Length (Intake/outlet) for Twin Pipe four (4) inch (10.2 cm) PVC/CPVC

Maximum Vent Length

100 feet (30.5 m)

Termination Type

IPEX Concentric

Vent Kit

Snorkel

Termination

Side Wall Tee

Termination

Low Profile

Termination

Termination Equivalent Length

in feet (meters) (Already factored into the

straight pipe lengths below)

20 (6.1)

10 (3.0)

5 (1.5)

# of 90° Elbows (each: 5 equivalent feet)

Max. straight pipe vent length in feet (meters)

80 (24.4) **

90 (27.4) **

95 (29.0) **

75 (22.9) **

85 (25.9) **

90 (27.4) **

70 (21.3) **

80 (24.4) **

85 (25.9) **

65 (19.8) **

75 (22.9) **

80 (24.4) **

60 (18.3) **

70 (21.3) **

75 (22.9) **

55 (16.8) **

65 (19.8) **

70 (21.3) **

50 (15.2) **

60 (18.3) **

65 (19.8) **

Table 12 - Natural Gas Units

**Dip switch one (bank of eight (8) - TAN COLORED) off for lenths greater than or equal to twenty-one (21) feet (6.4 m).

DANGER

WARNING

CAUTION

AVERTISSEMENT

ATTENTION

Maximum vent lengths are specific to the fuel type of the tankless water heater. It is imperative when performing equivalent vent length
calculations, that the gas type be taken into consideration.

Содержание ANSI Z21.10.3

Страница 1: ...L PROVIDES INFORMATION ON THE INSTALLATION OPERATION AND MAINTENANCE OF THE WATER HEATER FOR PROPER OPERATION AND SAFETY IT IS IMPORTANT TO FOLLOW THE INSTRUCTIONS AND ADHERE TO THE SAFETY PRECAUTIONS A LICENSED PROFESSIONAL MUST INSTALL THE WATER HEATER ACCORDING TO THE EXACT INSTRUCTIONS THE CONSUMER MUST READ THE ENTIRE MANUAL TO PROPERLY OPERATE THE WATER HEATER AND TO HAVE REGULAR MAINTENANCE...

Страница 2: ...at Exchanger 47 Manual Draining of the Water Heater 48 Running a low volume of water through the water heater to prevent freezing 48 When the water heater or external piping has frozen 48 Regulations 49 Warranty 50 TABLE OF CONTENTS NOTE Giant sometimes shares customer contact information with businesses that we believe provide products or services that may be useful to you By providing this infor...

Страница 3: ...d free from com bustible materials gasoline and other flammable vapors and liquids Combustible construction refers to adjacent walls and ceiling and should not be confused with combustible or flammable products and materials Combustible and or flammable prod ucts and materials should never be stored in the vicinity of this or any gas appliance Always check the water temperature before entering a s...

Страница 4: ...70 or the Canadian Electrical Code CSA C22 1 The appliance and its appliance main gas valve must be discon nected from the gas supply piping system during any pressure testing of that system at test pressures in excess of 1 2 psi 3 5 kPa 13 84 in W C The appliance must be isolated from the gas supply piping sys tem by closing its individual manual shut off valve during any pressure testing of the ...

Страница 5: ... used for combustion and must be free of any compounds that cause corrosion of internal components These include corrosive compounds that are found in aerosol sprays detergents bleach es cleaning solvents oil based paints varnishes and refrigerants The air in beauty shops dry cleaning stores photo processing labs and storage areas for pool supplies often contains these compounds The water heater v...

Страница 6: ...t 6 feet 1 83 m 3 feet 91 cm above if within 10 feet 3 m L Clearance above paved sidewalk or paved driveway located on public property 7 feet 2 13 m 1 M Clearance under veranda porch deck or balcony 12 inches 30 cm 1 A vent shall not terminate directly above a sidewalk or paved driveway that is located between two single family dwellings and serves both dwellings For clearances not specified in AN...

Страница 7: ... or porch Do not install vent termination under a soffit vent such that ex haust can enter the soffit vent Install vent termination such that exhaust and rising moisture will not collect under eaves Discoloration to the exterior of the building could occur if installed too close Do not install the vent termination too close under the soffit where it could present recirculation of exhaust gases bac...

Страница 8: ...cally to a surge protector with terminals This allows the solenoid valves to operate if the water heater is disabled due to a diagnostic code The freeze protection features will not prevent the external piping from freezing It is recommended that hot and cold water pipes are insulated Pipe cover enclosures may be packed with insulation for added freeze protection It is recommended that the condens...

Страница 9: ...ength for the number of elbows used The planned venting termination air intake location meets the clearances The water supply does not contain chemicals or exceed total hardness that will damage the heat exchanger A standard 3 prong 120 VAC 60 Hz properly grounded wall outlet or other 120 VAC 60 Hz source is available The installation must conform with local codes or in the ab sence of local codes...

Страница 10: ...ent piece connected to the water heater must be secured with one self tapping screw INFORMATION Refer to the instructions of the vent system manufacturer for component assembly instructions If the vent system is to be enclosed it is suggested that the de sign of the enclosure shall permit inspection of the vent system The design of such enclosure shall be deemed acceptable by the installer or the ...

Страница 11: ...toward the appliance according to the vent manufacturer s installation instructions Dispose of condensate per local codes Slope the venting toward the appliance according to the vent manufacturer s installation instructions Dispose of condensate per local codes Vertical Termination tion Securing Screw INSTALLATION INSTRUCTIONS Figure 8 ...

Страница 12: ...d and identified as acceptable for your particular model Slope the venting toward the appliance according to the vent manufacturer s installation instructions All condensate must drain and be disposed of according to local codes Use only corrosion resistant materials for the condensate drain lines such as PVC pipe or plastic hose The condensate drain pipe along its entire length must be at least t...

Страница 13: ...d of a Concentric to Twin Pipe Adaptor adaptable to three 3 7 6 cm to four 4 10 2 cm sizes PVC CPVC pipes fittings and either the IPEX Concentric Vent Kit CVK Assembly System 636 snorkel termi nation or tee termination PVC venting CANNOT be used with the condensing water heater under the following conditions The water heater is installed in a recirculation system and the thermostat setting is grea...

Страница 14: ... pipe fittings cements or joining methods from different vent manufacturers this can result in unsafe conditions and will void the certification DO NOT use cellular core PVC CPVC nor Radel piping for vent DO NOT use PVC CPVC on Non Condensing Units DO NOT operate unit until venting is completely installed and all solvents and glues have bonded All PVC CPVC exhaust vent material used in Canada must...

Страница 15: ...Tankless Water Heater requires a separate vent system If common venting is required refer to common Vent Installa tion Manual latest revision for instructions on optional venting method as well as to verify which tankless models may be com mon vented Use only PVC CPVC three 3 inch 7 6 cm and four 4 inch 10 2 cm Venting Damage and repair due to corrosive compounds in the air is not covered by warra...

Страница 16: ...ric PP 65 Feet 19 8 m 41 Feet 12 5 m 4 10 2 cm PVC CPVC 100 Feet 30 5 m 65 Feet 19 8 m Twin Pipe PP Centrotherm 41 Feet 12 5 m 41 Feet 12 5 m DANGER WARNING CAUTION AVERTISSEMENT ATTENTION Maximum equivalent vent lengths are specific to the fuel type of the tankless water heater It is imperative when performing equivalent vent length calculations that the following be taken in consideration OPTION...

Страница 17: ...nch 10 2 cm PVC CPVC Maximum Vent Length 100 feet 30 5 m Termination Type IPEX Concentric Vent Kit Snorkel Termination Side Wall Tee Termination Low Profile Termination Termination Equivalent Length in feet meters Already factored into the straight pipe lengths below 20 6 1 10 3 0 5 1 5 5 1 5 of 90 Elbows each 5 equivalent feet Max straight pipe vent length in feet meters 0 80 24 4 90 27 4 95 29 0...

Страница 18: ...4 inch 10 2 cm PVC CPVC Maximum Vent Length 65 feet 19 8 m Termination Type IPEX Concentric Vent Kit Snorkel Termination Side Wall Tee Termination Low Profile Termination Termination Equivalent Length in feet meters Already factored into the straight pipe lengths below 20 6 1 10 3 0 5 1 5 5 1 5 of 90 Elbows each 5 equivalent feet Max straight pipe vent length in feet meters 0 45 13 7 55 16 8 60 18...

Страница 19: ...ughly read and understand the venting section of the appliance manual before proceeding with the following steps STEP 1 Carefully read and understand the venting section of the In stallation Instructions supplied with the water heater prior to determining a suitable location for the water heater and vent termination Locate water heater to have the straightest short est practical vent length to out...

Страница 20: ...7 6 cm de diamètre corps solide Catégorie 40 Agrandisseur excentrique fourni avec l adaptateur concentrique à sortie double Contenu de la trousse Coude en PVC CPVC de trois 3 pouces 7 6 cm de diamètre corps solide Catégorie 40 embouts femelles non filetés Entrée d air de combustion Adaptateur de l appareil avec un joint d étanchéité PVC à polypropylène fourni avec l adaptateur concentrique à sorti...

Страница 21: ...he exte rior wall under the eaves and on surrounding objects Some discoloration to the exterior of the building is to be expected However improper location or installation can result in severe damage to the structure or exterior finish of the building DANGER WARNING CAUTION AVERTISSEMENT ATTENTION Danger of fire or bodily injury Solvent cements and primers are highly flammable Provide adequate ven...

Страница 22: ... rain cap 2 At this location drill through the cap and the inner pipe wall Ensure that the path of the hole is perpendicular to the inner pipe NOT the outside of the cap For the three 3 inch 7 6 cm kit drill a 3 16 4 8 mm hole for the four 4 inch 10 2 cm kit drill a 1 4 6 4 mm hole Clean any resulting debris 3 Insert the screw and tighten DO NOT OVER TIGHTEN Acceptable Venting Clearances For IPEX ...

Страница 23: ...termination 4 Install termination assembly as described in this manual 5 Install air and vent piping from water heater to termination 6 Slope horizontal exhaust run towards the water heater 1 4 per foot DO NOT slope combustion air pipe towards unit Be sure to dispose of condensate per local codes 7 Install pipe supports and brackets every four 4 feet 1 2 m allowing for movement from expansion or a...

Страница 24: ...ST be subtracted from total length listed in Tables 11 14 2 Specific to Side Wall Tee Termination the vent and intake air piping must terminate at the outside surface of the outer wall minimum one 1 inch 2 5 cm between wall tee and elbow socket ends see Figure 24 3 Termination must be installed twelve 12 inches 30 5 cm abovethehighestanticipatedsnowlevel seeFigures25 26 4 Refer to Table 3 this doc...

Страница 25: ...with Snorkel Termination PVC CPVC Roof Tee and upside down U Terminations Locate the vent and intake air termination using the following guidelines 1 The total length of the vent or intake air piping must not ex ceed the limits given in Tables 11 14 The equivalent length for 90 elbows and termination associated with the respective vent and intake air piping arrangement MUST be subtracted from tota...

Страница 26: ...m au dessus du plus haut niveau de neige prévu Terminaison d évent Terminaison de l entrée d air de combustion 12 30 5 cm min 12 30 5 cm min Figure 29 Vertical Termination of Multiple Water Heaters N O T I C E To prevent possibility of condensate freeze up do not install vent kits one above the other Once the vent terminal location has been determined make holes through the exterior wall to accomm...

Страница 27: ...ield Supplied PVC CPVC Sch 40 Fittings or Approved Equal Comply with CAN CGA B149 1 ULC S636 3 inches 7 6 cm and 4 inches 10 2 cm SCH 40 Solid Core PVC CPVC 90 EL w vent screen 5 1 5 m Field Supplied PVC CPVC Sch 40 Fittings or Approved Equal Comply with CAN CGA B149 1 ULC S636 3 inches 7 6 cm and 4 inches 10 2 cm SCH 40 Solid Core PVC CPVC 45 EL w vent screen 2 5 0 76 m IPEX Purchased separately ...

Страница 28: ...ecific instruc tions and handling Basic Instructions for Cementing Joints 1 Cut pipe end square smooth out jagged edges and burrs Chamfer end of pipe then clean fitting socket and pipe joint area of all dirt grease or moisture 2 After checking pipe and socket for proper fit wipe socket and pipe with cleaner primer Apply a liberal coat of primer to in side surface of socket and outside of pipe 3 Ap...

Страница 29: ...his may be due to ther mal expansion in a closed water supply system Contact the wa ter supplier or local plumbing inspector on how to correct this situation Do not plug the relief valve The American National Standard ANSI Z21 10 3 does not re quire a combination temperature and pressure relief valve for this appliance However local codes may require a combination temperature and pressure relief v...

Страница 30: ...dance with all local building codes Confer with local building officials before installation 3 4 19 mm Hot Water Supply Line For Building Fixtures Condensate drain line Condensate drain Refer to the Condensate sec on in the ven ng instruc ons 3 4 19 mm Gas Connection Gas Supply 3 4 19 mm Cold Water Supply Line Water drain plug Condensate trap drain plug Condensate drain line Gas connec on Cold wat...

Страница 31: ...urge the gas line of any debris before connection to the water heater Any compound used on the threaded joint of the gas piping shall be a type which resists the action of liquefied petroleum gas propane LPG The gas supply line shall be gas tight 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 lo...

Страница 32: ...VIS POUR MISE À LA TERRE CÂBLE DE COMMANDE À DISTANCE 120V Wiring Blue or Black wire hot leg Brown or White Wire neutral Remote Control Connection Terminals Ground Connection Screw Remote Control Cable Cable Clamp Switch Figure 32 Adjust for High Altitude United States The gas and power to the water heater should be turned off On the SW1 DIP switch tan switches set switches 2 and 3 to the values s...

Страница 33: ...um cable length from each controller to the water heater depends on the total number of wired controllers connected to the water heater Table 24 Number of Wired Controllers Maximum Cable Length for each Controller to Water Heater 1 328 feet 100 m 2 164 feet 50 m 3 65 feet 20 m Configurations A maximum of four 4 temperature controllers can be installed for a water heater or group of water heaters T...

Страница 34: ...he filter at the bottom of the water heater to catch any water that is contained inside the unit Unscrew the water filter Rinse the filter to remove any debris Install the filter and open the isolation valves Check the gas lines and connections for leaks Power and Gas Supply Confirm that the gas inlet pressure is within limits Confirm that the water heater is rated for the gas type supplied Confir...

Страница 35: ...ntinuous flow gas hot water system Connections Gas Supply 3 4 MNPT Cold Water Inlet 3 4 MNPT Hot Water Outlet 3 4 MNPT Ignition System Direct Electronic Ignition Electric Connections Appliance AC 120 Volts 60Hz Temperature Controller DC 12 Volts Digital Water Temperature Control Simulation Feedforward and Feedback Water Supply Pressure Minimum Water Pressure 50 PSI Recommended 60 80 PSI for maximu...

Страница 36: ...l The wall bracket is adjustable to allow an additional 1 8 inches 4 0 cm DIMENSION Inches cm A GAS 1 6 4 0 A COLD 2 0 5 0 A HOT 1 6 4 1 A CONDENSATE OUTLET 0 9 2 2 B 5 0 12 7 C 1 9 4 8 D 0 52 1 3 E 2 2 5 6 F 2 3 5 8 G 5 0 12 7 H 2 0 5 0 I 3 0 7 6 J 7 1 17 9 K 18 3 46 6 B C I J D E F G H K COLD WATER INLET GAS CONNECTION CONDENSATE OUTLET HOT WATER OUTLET CONDENSATE OUTLET CONDENSATE OUTLET Figure...

Страница 37: ...w gpm Pressure Loss psi UGTC 152 UGTC 199 NOTE The chart below only applies to incoming water temperatures of 70 F 21 C or less For incoming water temperatures greater than 70 F 21 C please contact Giant Outlet Flow Data Water Flow gpm delta T Temperature Rise F UGTC 152 UGTC 199 Figure 39 Figure 38 Pressure Drop Curve and Water Heater ...

Страница 38: ...or Comfort mode set the switch 8 in the white set of switches SW2 to ON 5 Connect power to the water heater Press the Power button on the controller The pump and water heater will turn on to raise the recirculation loop temperature Table 25 Settings for SW2 bank of white switches Switch 4 Switch 8 Economy Mode ON OFF Comfort Mode ON ON Figure 40 de plomberie COLD WATER SUPPLY LINE AL ON CHECK VALV...

Страница 39: ...rature Setting Typical Pump ON Intervals minutes F C Economy Mode Comfort Mode 140 60 31 15 135 57 31 15 130 54 31 15 125 52 31 15 120 49 31 15 115 46 35 18 110 43 42 21 108 42 45 22 106 41 49 24 104 40 54 27 102 39 60 30 100 38 68 34 98 37 79 39 The pump will cycle on at these calculated intervals which are based on the temperature setting insulation and estimated heat loss in the system The valu...

Страница 40: ...40 40 TECHNICAL DATA Wiring Diagram Figure 42 ...

Страница 41: ...pliance using the ON OFF button 2 Set the thermostat to lowest setting 3 Locate the manual gas valve on the side of the heater Turn the manual valve clockwise to the full OFF position BEFORE LIGHTING ENTIRE SYSTEM MUST BE FILLED WITH WATER AND AIR PURGED FROM ALL LINES a This appliance does not have a pilot It is equipped with an ignition device which automatically lights the burner Do not try to ...

Страница 42: ...rranty Keep the air intake location free of chemicals such as chlorine or bleach that produce fumes These fumes can damage compo nents and reduce the life of your appliance Damage and repair due to scale in the heat exchanger is not covered by warranty How to Set the Temperature This water heater requires a minimum flow rate to operate This rate can be found on the specification page in this manua...

Страница 43: ...y show LOC the temperature setting and a diagnostic code if one has been activated All of the controllers in the system are also locked To unlock the controller press the Priority button and the UP but ton together for five 5 seconds Diagnostic Codes This water heater is designed to display diagnostic codes If there is a potential operation concern refer to the code and remedy on the next page To ...

Страница 44: ...y Ensure vent length is within limits Verify dip switches are set properly Check power supply for loose connections 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 Rem...

Страница 45: ...e flame rod and check for carbon build up clean with sand paper Check inside burner chamber for any foreign material blocking flame at flame rod Measure micro amp output of sensor circuit with flame present Replace flame rod 73 Burner Sensor Circuit Check sensor wiring and PC board to be sure that they have not been damaged Replace sensor 79 Water Leakage Detected Turn off water supply and contact...

Страница 46: ...ors are permanently lubricated and do not need periodic lu brication However you must keep fan and motor free of dust and dirt by cleaning annually Temperature Controller Use a soft damp cloth to clean the temperature controller Do not use solvents Lime Scale Build up If you receive diagnostic code LC LC1 LC2 etc refer to the procedure Flushing the Heat Exchanger Refer to the section on Water Qual...

Страница 47: ... Giant strongly recommends installation of isolation valves to allow for flushing of the heat exchanger 1 Disconnect electrical power to the water heater 2 Close the shutoff valves on both the hot water and cold wa ter lines V3 and V4 3 Connect pump outlet hose H1 to the cold water line at ser vice valve V2 4 Connect drain hose H3 to service valve V1 5 Pour four 4 gallons 15 1 litres of undiluted ...

Страница 48: ... the water drain plugs 4 Screw in the water filter in the cold water inlet 5 Open the cold water supply 6 Open a tap and confirm that water flows and then close 7 Turn on the power 8 After confirming that the temperature controller is off turn on the gas supply 9 Turn on the temperature controller Running a low volume of water through the water heater to prevent freezing If the temperature exceeds...

Страница 49: ... required in accordance with the above provisions shall comply with NFPA 720 and be ANSI UL 2034 listed and IAS certified 3 SIGNAGE A metal or plastic identification plate shall be permanently mounted to the exterior of the building at a minimum height of eight 8 feet 2 4 m above grade directly in line with the exhaust vent terminal for the horizontally vented gas fueled heating appliance or equip...

Страница 50: ...igher than 160 F 71 C This Limited Warranty does not apply to any product whose serial num ber or manufacture date has been defaced This Limited Warranty does not cover any product used in an application that uses chemically treated water such as a pool or spa heater SHIPPING COSTS If a water heater or component part is deemed to be replaced the man ufacturer will pay the transportation costs of t...

Страница 51: ..._______________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ _______________________________________________________________________...

Страница 52: ..._______________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ _______________________________________________________________________...

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