John Wood 240 Indoor Installation Manual And Owner'S Manual Download

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Installation Manual

CONGRATULATIONS

Congratulations and thank you for choosing our tankless water heater.
Before use, we recommend that you read through this installation

ŵĂŶƵĂůĐĂƌĞĨƵůůǇ͘<ĞĞƉƚŚŝƐŵĂŶƵĂůĨŽƌĨƵƚƵƌĞƌĞĨĞƌĞŶĐĞ͘

If you need an additional manual, contact the manufacturer or your
local distributor. When you call, please tell us the product name and
the serial number of your unit written on the rating plate of the water
heater.

Printed on 12/6/2017 8:34 AM CT

Summary of Contents for 240 Indoor

Page 1: ...eighbor s phone Follow the gas supplier s instructions the fire department Installation and service must be performed by a qualified installer service agency or the gas supplier WARNING If the informa...

Page 2: ...NS 31 Pressure relief valve 31 CONDENSATE DRAIN 32 Condensate drain connections 32 ELECTRICAL CONNECTIONS 34 TEMPERATURE REMOTE CONTROLLER 35 Included accessories 35 Installation 35 z E z d D 37 Easy...

Page 3: ...er Before use we recommend that you read through this installation If you need an additional manual contact the manufacturer or your local distributor When you call please tell us the product name and...

Page 4: ...densate production in the vent NOTE The manufacturer reserves the right to discontinue or change at any time specifications or designs without notice and without incurring obligation Model 240 Indoor...

Page 5: ...is simple Exhaust Secondary heat exchanger Intake port Condensate drain port Cold water inlet Gas Hot water outlet Computer board Fan motor Gas valves Igniter Thermistor Thermistor Bypass valve Prima...

Page 6: ...ently hazardous situation which if not avoided will result in death or serious injury DANGER Indicates information considered important but not hazard related NOTICE WARNING Water temperatures over 12...

Page 7: ...vironments with a high level of contaminants laundry facilities hair salons pet salons chemical plants commercial kitchens etc direct venting is required 9 The 240 Indoor 340 Indoor and 540 Indoor are...

Page 8: ...esult in severe personal injury death and or property damage WARNING The warranty will not cover damage caused by water quality Only potable water can be used with this water heater Do not introduce p...

Page 9: ...ipe cover 3 Neutralizer kit 4 Sidewall vent terminator Hood and Wall thimble 5 3 PVC concentric termination 6 Non return valve 7 PVC Adapter E h KZ Check that these items below are included with the w...

Page 10: ...the water heater 4 Sidewall vent terminator Hood and Wall thimble These are used when venting out through the wall These terminations are special stainless steel vents for gas appliances and are UL l...

Page 11: ...nder an overhang less than 3 ft 914 mm from its top or eaves The area under an overhang must be open to three sides Outdoor model only Do not install next to a dryer or any source of airborne debris t...

Page 12: ...FF OFF ON 1 2 3 4 5 6 7 8 9 10 No 3 OFF No 4 OFF No 5 ON OFF ON 1 2 3 4 5 6 7 8 9 10 No 3 OFF No 4 ON No 5 ON OFF ON 1 2 3 4 5 6 7 8 9 10 No 3 ON No 4 ON No 5 ON 540 model Lower bank of DIP switches O...

Page 13: ...ot be connected to any other gas appliance or vent stack except an approved common venting system Refer to pp 24 and 25 Avoid using an oversized vent pipe or using extremely long runs of the pipe unle...

Page 14: ...local code enforcement agency for direction NOTICE Before installing the water heater you must determine the amount of air needed to supply this water Check for Chemicals these corrosive chemicals is...

Page 15: ...the vol Air Volume Room Volume Object Volume EKd Calculate required air volume 3 1 42 m3 per 1 000 BTU h of the total input for all gas burning appliances in the same area Z s 3 d Z y 3 1000 btu h Ex...

Page 16: ...eed to be larger to meet the minimum free area requirements h 2 645 cm2 of free area would need 134 in2 865 cm2 2 2 Each vent opening must be no smaller than 100 in2 645 cm2 Rectangular ducts must hav...

Page 17: ...1 in2 6 5 cm2 btu h K Figure 6 Two permanent openings Two permanent Openings 1 in2 per 1 000 btu h 12 305mm maximum 12 305mm maximum Space Figure 4 Horizontal duct openings 1 in2 6 5 cm2 per 2 000 bt...

Page 18: ...Pipe Cement Primer PVC ANSI ASTM D2564 CPVC ANSI ASTM F493 ABS ANSI ASTM D2235 Use of cellular core PVC ASTM F891 cellular core CPVC or Radel polyphenylsulfone in non metallic venting systems is prohi...

Page 19: ...102 mm venting 5 to 20 ft 1 5 to 6 1m DEFAULT 21 to 40 ft 6 2 to 12 2 m 41 to 70 ft 12 3to21 3 m 5 to 50 ft 1 5 to 15 2m DEFAULT 51 to 100 ft 15 3to30 5m 240 340 Indoor OFF ON 1 2 3 4 5 6 7 8 9 10 No...

Page 20: ...DEFAULT 51 to 100 ft 15 3to30 5m 240 340 Indoor OFF ON 1 2 3 4 5 6 7 8 9 10 No 6 O N No 7 OFF OFF ON 1 2 3 4 5 6 7 8 9 10 No 6 OFF No 7 OFF OFF ON 1 2 3 4 5 6 7 8 9 10 No 6 O N No 7 OFF OFF ON 1 2 3...

Page 21: ...3 76 mm Twin Pipe to 3 5 76 mm 127 mm Concentric Adaptor ICTC0335 3 76 mm x 87 Elbow ISEL0387 3 76 mm x 12 305 mm Vent Length ISVL031 3 76 mm x 24 610 mm Vent Length ISVL032 3 76 mm x 36 914 mm Vent...

Page 22: ...otal Vent Length 4 in 102 mm 5 100 ft 30 5 m For each elbow added deduct 5 ft 1 5 m from max vent length Excludes vent terminators termination elbows or rain caps No of Elbows Max Vertical or Horizont...

Page 23: ...4 2ZVB04 4 102 mm Straight pipe 36 914 mm length 100112403 2NVP43 2SVEPWCF0403 4 102 mm exhaust 3 76 mm intake DV concentric termination 5 10 127 254 mm adjustability 100112550 2NVHTC43S 2SVSHTC43S 4...

Page 24: ...turer recommends Centrotherm s vent line D Intake wall Exhaust Roof Condensate drain port Non Return Valve Exhaust wall Roof Intake Non Return Valve Condensate drain port Exhaust Intake wall Roof Non...

Page 25: ...meter D Max No of water heaters Max V cal and Horizontal Total Vent Length L DIP switch se 4 in 110 mm 2 25 7 6 m 240 Indoor 340 Indoor OFF ON 1 2 3 4 5 6 7 8 9 10 No 6 ON No 7 OFF 540 Indoor Upper ba...

Page 26: ...m below or to side of opening 1 ft 30 cm above opening Clearance to mechanical air supply inlet 6 ft 183 cm 3 ft 91 cm above if within 10 ft 3 m horizontally L Clearance above paved sidewalk or paved...

Page 27: ...the length of that adjacent wall d Inside corner 610mm min 305mm min 305mm min Combined For direct vent sidewall terminationsthatusetwo separate penetrations for the intake and exhaust keep the termin...

Page 28: ...ailure to observe this warning may result in severe personal injury or death WARNING 3 ft 914 mm min Exhaust gas Intake air 1ft 305mm min 1 ft 305 mm min Anticipated snowlevel Flat roof termination s...

Page 29: ...ressure to the heater is greater than the specified maximum a field supplied regulator is required The regulator must lower the gas pressure within the approved range Install the gas regulator accordi...

Page 30: ...1 1 4 Pipe size Gas sizing example Natural Gas Unit kBTU per hour Pipe Size Length Diameter 10 3 0 m 20 6 1 m 30 9 1 m 40 12 2m 50 15 2m 60 18 3m 70 21 3m 80 24 4m 90 27 4m 100 30 5m 125 38 1m 150 45...

Page 31: ...An approved pressure relief valve must be installed on the hot water outlet The pressure relief valve must conform to ANSI Z21 22 or CAN 1 4 4 and installation must follow local codes The discharge ca...

Page 32: ...ondensate acidic water in accordance with all local codes and com mon safety practices Use corrosion resistant pipe such as PVC for the condensate drain line Do not use metal pipe The condensate drain...

Page 33: ...and ensure that it slopes downward to allow condensate to flow freely All portions of the condensate drain neutralizer and drain tube must be at a lower elevation than the water heater to prevent con...

Page 34: ...ould result in personal injury or death WARNING All Indoor models come with a power plug instead of a junction box The following procedure is for outdoor model only 1 The water heater must be electric...

Page 35: ...the remote controller Temperature remote controller Screws Fork terminals Manual Remote controller cable Qty 1 Qty 2 Qty 4 Qty 1 Qty 1 This remote controller is NOT waterproof The water heater can on...

Page 36: ...on the back side of the remote controller with two screws Make sure the terminals are firmly fixed See the above instructions for installation of the remote controller 5 Pull the remote controller cab...

Page 37: ...can be combined with 540 model in an Easy Link System 710 model 710 ASME 520 model 540 model 540P model Only when 540P is a PARENT unit in the system Hot Out Gas In Cold In for the Easy Link System b...

Page 38: ...nt 1 Child 2 3 or 4 A 540 model computer board PARENT unit 540 CHILD unit 540 CHILD unit 540 CHILD unit 540 PARENT W OFF ON 1 1 1 1 2 2 2 2 PARENT PARENT PARENT 1 2 3 4 5 6 1 2 3 4 5 6 OFF ON OFF ON 1...

Page 39: ...ulti Unit System connect the 1 connector and the 2 connector with the communication cable refer to p 9 or 18 gauge wire cables The total cable length can be up to 250 ft 76 2 m long In a Multi Unit Sy...

Page 40: ...ments must be followed Toxic chemicals used in boiler treatments such as alcohol glycerol and glycol groups must not be introduced into the system The water heater can be used to supply potable water...

Page 41: ...supply 3 inch gas exhaust vent Discharge must comply with local and state codes Cannot be common vented with other appliances An approved temperature and pressure d dh water heater model used Check v...

Page 42: ...hot water Check the GAS and WATER CONNECTIONS for leaks before firing unit for the first time Open the main gas supply valve to the unit using only your hand to avoid any spark Never use tools If the...

Page 43: ...Before use we recommend that you read through this owner s guide If you need an additional manual contact the manufacturer or your local distributor When you call please tell us the product name and...

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Page 46: ...troller has an energy saving mode Five minutes after the water heater stops operating the backlight of the controller turns off The backlight of the remote will turn back on once the water heater begi...

Page 47: ...NFO button and the HOT button for at least 3 seconds The remote will emit a beep and change to 125 F 52 C 4 Press the HOT button to set up to 140 F 60 C Increasing temperature above 140 F 60 C 540 mod...

Page 48: ...ion mode Units of measure can be changed from Imperial to Metric and vice versa For example temperature can be changed from F to C Flow rate will also change from gallons per minute to liters per minu...

Page 49: ...witches NOTE The dark squares indicate the correct DIP switch positions Lower bank of DIP switches 120 F 50 C DEFAULT 140 F 60 C OFF ON 1 2 3 4 5 6 No 5 OFF OFF ON 1 2 3 4 5 6 2 3 4 5 6 No 5 ON 540 mo...

Page 50: ...damage associated with freezing When the freeze protection thermostat senses air temperature below 36 5 F 2 5 C the blocks will heat up to prevent freezing of the unit To operate these freeze protecti...

Page 51: ...mini mal operation Press the MIN button on the computer board Refer to the diagrams below Take a supply gas pressure reading and verify that it is within the specified inlet gas pressure range 1 Turn...

Page 52: ...Is the unit frozen p 50 Is there enough gas in the tank cylinder For Propane models The hot water turns cold and stays cold Is the flow rate enough to keep the water heater running p 46 If there is a...

Page 53: ...abeled 1 and all other subsequent Child units are numbered randomly To check which numbers are assigned to which Child units push the increase button on the computer board of any Child unit as shown b...

Page 54: ...ts installed in an Easy Link System The built in remote controller installed in a PARENT unit will show both the error code and which unit has the error code Below is an example of how an error code o...

Page 55: ...and or soot on the flame rod Part 108 Check if there is a buzzing spark ignition sound coming from the burner Part 101 when water heater prepares for combustion Listen for the double clunk sound comin...

Page 56: ...es Part 714 711 One Flash Gas solenoid valve drive circuit failure Refer to the 111 and 121 error codes 721 Six Flashes False flame detection For indoor models check if condensate drain is installed o...

Page 57: ...Outdoor models Case assembly Temperature remote controller 724 723 722 056 052 052 003 007 002 050 006 704 005 052 702 704 008 052 050 052 717 702 713 004 002 001 001 004 Temperature controller Indoor...

Page 58: ...Computer board assembly Surge box assembly 121 713 703 706 063 709 053 703 711 701 713 103 709 402 707 708 714 721 407 408 701 714 403 715 721 707 722 715 402 402 103 713 708 711 709 716 716 722 402 0...

Page 59: ...06 107 108 110 109 111 711 112 062 053 053 709 053 401 103 105 065 054 113 114 102 708 119 151 118 055 051 150 057 055 063 117 053 116 062 121 714 719 707 711 117 540 model Manifold assembly Burner as...

Page 60: ...section 403 456 460 458 462 B A Bypass section 540 model D A E 459 454 411 412 058 F 413 452 450 414 451 414 418 416 009 C 453 468 468 052 455 463 455 469 052 463 462 467 064 462 462 473 466 466 415 4...

Page 61: ...w M4x12 FEZN 100074510 100074248 N A 100074385 EW004 EW005 EW018 058 059 060 061 Pan head screw M3x6 SUS3 Truss head screw M4x6 SUS3 Tap tight screw M4x12 Screw M3x6 Plus bind FEZN 100074272 100074512...

Page 62: ...let thermistor for 240 and 340 models Outlet thermistor for 540 model 100074680 100074374 409 410 411 Water outlet Outlet drain plug Heat exchanger thermistor for 540 model 100074681 100074383 1000742...

Page 63: ...ire for Indoor models for Outdoor models 100076470 100076100 100074601 100074697 EX00B 706 707 708 120 VAC Power ON OFF switch Remote controller wire for 240 and 340 models for 540 model Gas valve wir...

Page 64: ...3 4 9 0 0 2 0 4 0 6 0 8 0 10 0 40 F 4 C 50 F 10 C 60 F 16 C 70 21 C Output Hot Water GPM Set temp F C Incoming temp 30 15 0 L M 21 6 30 3 30 3 25 9 19 9 30 3 28 8 23 5 18 5 30 3 25 9 21 6 17 3 28 8 2...

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