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IBC SFT-199, Installation And Operating Instructions Manual

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IBC SFT-199 Installation And Operating Instructions Manual Download Page 36

INSTALLATION AND OPERATION INSTRUCTIONS

2-2

SFT 199 TANKLESS WATER HEATER

2.2 CONTROL

ICON

FUNCTION

A

Numerical Display

Main Display

B

Plus & Minus

Temperature Adjustment

C

Flame

Burner ON Indicator

D

Dot

Power ON Indicator

E

Faucet

DHW Indicator

F

Wrench

Service / Reset

G

Return Arrow

Enter / Save

H

Numerical Display

Service Display

Table 8: Controller Indicators and Touch Pad

2.3 INSTALLER INTERFACE

2.3.1  Turning Appliance ON/OFF

To turn on the unit, touch the area above the dot for 2 seconds. Now only the dot is 

illuminated.

To turn off the unit, touch the area above the dot for 2 seconds.  A dash appears on 

the right and the text “OFF” is displayed on the left. 

Summary of Contents for SFT-199

Page 1: ...e materials 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 Immedi...

Page 2: ...4 x 1 bolts IBC part P 837 1 x Condensate trap assembly 1 x SFT Installation Operating Instructions 1 x Propane Conversion Kit P 802 WARNING If the information in this manual is not followed exactly a...

Page 3: ...et 3 4 Male NPT Hot Water Outlet 3 4 Male NPT Gas Inlet 3 4 Male NPT Pressure Vessel water content USG Liters 0 19 0 72 Ambient Temperature Low F C 32 0 Ambient Temperature High F C 122 50 Max relativ...

Page 4: ...Z223 1 NFPA 54 or the Natural Gas and Propane Installation Code CAN CSA B149 1 as applicable Failure to correctly install and operate this appliance can result in severe personal injury or death The u...

Page 5: ...17 1 5 2 Installing the Condensate Trap 1 17 1 5 3 Cleaning the Condensate Trap 1 18 1 5 4 Further Installation Details 1 18 1 6 Water Piping SPACE HEATING 1 19 1 7 Domestic Hot Water System 1 20 1 7...

Page 6: ...ce and Testing 4 2 4 1 11 Domestic Hot Water System 4 3 4 1 12 Fan and gas valve removal instructions 4 3 4 1 13 Fan and gas valve re assembly instructions 4 3 5 0 TROUBLESHOOTING 5 1 5 1 Preliminary...

Page 7: ...takes including those of neighbouring properties Place the exhaust outlet so it to reaches 12 minimum above the down turned intake Avoid exhaust re ingestion For sidewall venting options Both the inle...

Page 8: ...INSTALLATION AND OPERATION INSTRUCTIONS 8 SFT 199 TANKLESS WATER HEATER This page is intentionally left blank...

Page 9: ...he units are approved as Category IV vented appliances using Direct Vent sealed combustion Figures 1a and 1b show outer case dimensions and piping Use this diagram to find a suitable location for the...

Page 10: ...sions Connections for SFT Series DESCRIPTION SFT UNIT A Exhaust Outlet 3 Schedule 40 B Combustion Air 3 Schedule 40 C Cold Domestic Water Connection 3 4 Male NPT D Hot Domestic Water Connection 3 4 Ma...

Page 11: ...leakage may damage the area for example above carpeting If a location such as this cannot be found a suitable drain pan should be installed under the appliance Water heater fastening Approximate weigh...

Page 12: ...Installations Units installed in a mobile or manufactured home must conform to the Manufactured Home Construction and Safety Standard Title 24 CFR Part 3280 and or CAN CSA Z240 MH Series Mobile Homes...

Page 13: ...the National Fuel Gas Code ANSI Z223 1 NFPA 54 or Clause 8 2 8 3 or 8 4 of Natural Gas and Propane Installation Code CAN CSA B149 1 or applicable provisions of the local building codes IMPORTANT When...

Page 14: ...pers and any other gas burning appliance to their previous conditions of use Correct any improper operation of the common venting system to ensure that the installation conforms to the National Fuel G...

Page 15: ...le Wall piping is the standard venting option that enables units to be vented up to 120 equivalent feet from the vent termination using 3 The actual vent travel allowance is reduced for fittings in ac...

Page 16: ...creen of 1 4 stainless steel or plastic mesh e g IPEX System 636 drain grate for CPVC systems to guard against foreign objects Figure 4 Secure joints using appropriate solvent cement to bond the respe...

Page 17: ...ld in place with a short nipple to allow easy access for cleaning For roof top venting of multiple unit sets group all intake terminals together for a common penetration through a custom cap Alternati...

Page 18: ...Concentric Termination kits are approved for use with this unit For vertical roof top concentric terminations you must follow the installation instructions supplied with the venting material manufactu...

Page 19: ...termination piping con guration Figure 9 Top view minimum distance of exhaust vent to inside and outside corners DIRECT VENT SIDE WALL TERMINATION KITS The Side Wall Termination kits approved for use...

Page 20: ...Figure 10 Ipex 196984 2 PVC and 196985 3 PVC Figure 11a Horizontal Concentric Termination Two Kits Figure 11b Horizontal Concentric Termination Single Kit WARNING The vent for this appliance must not...

Page 21: ...line not stacked With a minimum vertical separation of 12 center to center Use caution when installing Concentric Side Wall Termination kits when the outdoor design temperature is below 5 F 15 C Poss...

Page 22: ...in 15 cm for appliances 10 000 Btuh 3 kW 12 in 30 cm for appliances 10 000 Btuh 3 kW and 100 000 Btuh 30 kW 36 in 91 cm for appliances 100 000 Btuh 30 kW 6 in 15 cm for appliances 10 000 Btuh 3 kW 9 i...

Page 23: ...8 2 8 3 or 8 4 of Natural Gas and Propane Installation Code CAN CSA B149 1 or applicable provisions of the local building codes Figure 16 Direct vent combustion air intake V V V V V V V V V X X F C B...

Page 24: ...CPVC ABS or PPs piping of any type Use the same diameter as vent piping Insert combustion air piping directly into the 3 female plastic fitting on the top of the unit and run it horizontally or verti...

Page 25: ...d condition a pH neutralization tank 1 5 1 Condensate Trap The condensate trap must be installed on the drain connection at the base of the unit 1 5 2 Installing the Condensate Trap 1 Fill the condens...

Page 26: ...ump Slope the drainage line down to the drain at a pitch of 1 4 per foot so that the condensate runs towards the drain Check the condensate traps every 2 months and clean and refill as necessary Figur...

Page 27: ...PING SPACE HEATING The SFT series water heaters are approved for use as a space heating appliance All piping system components must be approved for use in a domestic water piping system To manage ther...

Page 28: ...el Gas Code ANSI Z223 1 NFPA 54 or the Natural Gas and Propane Installation Code CAN CSA B149 1 as applicable Failure to correctly install and operate this appliance can result in severe personal inju...

Page 29: ...r you must consider water quality Water conditions outside of the levels specified below may damage the water heater NOTE The limited warranty provided with the water heater does not cover defects mal...

Page 30: ...y piping and the domestic hot water piping in the home The minimum domestic water pressure required is 40PSI and recommended to be 50PSI or higher Generating domestic hot water with a water pressure l...

Page 31: ...g This drawing is only a simple schematic guide DOMESTIC HOT WATER DELIVERY 67 F 37 2 C temperature rise SFT 199 5 4 GPM CAUTION The eld supplied thermostatic mixing valve may be installed on the dome...

Page 32: ...valve during any pressure testing of the gas supply piping system at test pressures equal to or greater than 1 2 psi 3 5 kPa Dissipate test pressure prior to reconnecting The gas valve is provided wi...

Page 33: ...appliance plug in a separate fused circuit and on off switch within sight of the unit 1 9 2 Power Quality and Electrical Protection In areas of unreliable power appropriate surge protectors and or pow...

Page 34: ...C Wire Color Code Key BK Black W White G Green BL Blue R Red O Orange V Violet Y Yellow BR Brown GY Gray High Voltage Control Module Control Module Low Voltage Control Module 899994 01 SFT series Sche...

Page 35: ...d a problem occur The unit s controller also provides frost protection When the unit s heat exchanger temperature becomes too low the burner switches on to keep the heat exchanger warm Ensure that the...

Page 36: ...t DHW Indicator F Wrench Service Reset G Return Arrow Enter Save H Numerical Display Service Display Table 8 Controller Indicators and Touch Pad 2 3 INSTALLER INTERFACE 2 3 1 Turning Appliance ON OFF...

Page 37: ...temperature target touch the Plus or Minus buttons 2 To alter this value touch the Plus or Minus buttons 4 To Save the changes touch the Return button Exit without saving the changes touch the area ab...

Page 38: ...t Mode ON The water heater s heat exchanger is maintained at the DHW temperature ECO Comfort Mode ECO This mode operates like the Comfort Mode but has the added advantage of learning when the domestic...

Page 39: ...enters a self diagnostic mode and displays 2 in the Service Display The sequence of operation is as follows 1 The unit receives a call from domestic hot water heating from the internal flow sensor 2...

Page 40: ...n menu via the Service menu 2 To access the Service menu touch and hold the Wrench button for two seconds The Minus Plus Wrench and Enter indicators are displayed 3 Again touch and hold the Wrench but...

Page 41: ...FT 199 TANKLESS WATER HEATER See below for a description of the codes Table 10 Information Menu Note that display parameters may differ depending on the configuration Where there is no DHW sensor the...

Page 42: ...INSTALLATION AND OPERATION INSTRUCTIONS 2 8 SFT 199 TANKLESS WATER HEATER INSTALLATION AND OPERATION INSTRUCTIONS 2 8 SFT 199 TANKLESS WATER HEATER This page is intentionally left blank...

Page 43: ...3 1 STARTUP AND COMMISSIONING SFT 199 TANKLESS WATER HEATER 3 0 STARTUP COMMISSIONING 3 1 LIGHTING SHUTTING DOWN THE UNIT...

Page 44: ...atural gas at sea level High Fire adjustment is only required if the calorific value of the fuel is out of the normally expected range of NG range 900 1100 Btu ft3 Consult your local fuel provider for...

Page 45: ...sults against Table 12 High Fire If the results are outside the permitted range check the inlet pressure and confirm that the correct orifice and venturi are installed For areas of lower calorific val...

Page 46: ...lues and High and Low Fire The following procedure must be carried out by a qualified technician 1 Ensure that the gas supply is turned off at the manual gas valve 2 Disconnect the electrical power 3...

Page 47: ...switch to the unit 2 Turn off the gas supply valve to the unit There is no need to drain the unit unless the unit will be exposed to freezing conditions while off 3 Remove the front cover and allow th...

Page 48: ...ing surface 2 Place the heat exchanger cover onto the heat exchanger and loosely install the 6mm hex bolts and lock washers removed in step 6 Tighten the 6mm hex bolts in a cross pattern as shown in t...

Page 49: ...moval and reassembly instructions section 3 4 1 of this manual Blow clear using compressed air Evaluate the magnitude of clearing required and establish a reasonable burner inspection schedule Some in...

Page 50: ...riod Test at or near maximum operating pressure by holding the test lever fully open for at least 5 seconds to flush the valve seat free of sediment and debris Then release the lever and permit the va...

Page 51: ...4 Loosen the union nut at the top of the gas valve Carefully remove the orifice and O ring and keep in a safe place for re installation later Ensure you protect the gas valve outlet from dust and deb...

Page 52: ...5 Restore the gas supply to the unit and test the gas valve inlet for gas leaks 6 Restore the power to the unit and create a call for hot water 7 Check for leaks at the gas valve outlet and the conne...

Page 53: ...uced 5 4 5 No Hot Water DHW 5 4 6 Hot Water Does Not Reach Temperature Below each section is a list of symptoms diagnoses and solutions Some diagrams see Section 6 0 are included for use with troubles...

Page 54: ...ocket Do not apply voltage to the sensor as damage may result 12K temperature sensors are supplied with the unit See Table 15 for resistance values SENSOR TYPE PURPOSE LOCATION S0 NTC 12K Heat Exchang...

Page 55: ...assage 5 2 4 Domestic Hot Water Flow Sensor The SFT series units are equipped with a flow sensor to measure water flow through the domestic hot water circuit in the water heater The minimum flow requi...

Page 56: ...er sensor S3 for breakage shutdown Check whether domestic hot water sensor S3 is installed correctly Check for the correct operation of domestic hot water sensor S3 Replace the domestic hot water sens...

Page 57: ...F014 Mounting fault sensor S0 Heat exchanger sensor S0 is not mounted correctly Mount the sensor correctly F016 Mounting fault S3 Domestic hot water sensor S3 is not mounted correctly Mount the senso...

Page 58: ...c hot water sensor S3 No electricity on the flow sensor 5V DC Yes Check the wiring according to the schematic CK THE WIRING ACCORDING TO THE SCHEMATIC 5 4 3 Domestic hot tap water does not reach the c...

Page 59: ...sted Yes Check and or replace the ignition cable Replace the ignition unit in the top cover Replace the ignitor 5 4 5 Burner resonates POSSIBLE CAUSES ANALYSIS SOLUTION Gas inlet pressure lower than 5...

Page 60: ...INSTALLATION AND OPERATION INSTRUCTIONS 5 8 SFT 199 TANKLESS WATER HEATER This page is intentionally left blank...

Page 61: ...6 1 DIAGRAMS SFT 199 TANKLESS WATER HEATER 6 0 DIAGRAMS 6 1 PARTS DIAGRAMS 6 2 WIRING DIAGRAMS...

Page 62: ...INSTALLATION AND OPERATION INSTRUCTIONS 6 2 SFT 199 TANKLESS WATER HEATER 6 1 PARTS DIAGRAMS Diagram 6 1 1 Unit assembly parts SFT Series water heater Parts assembly...

Page 63: ...626 P 730 60 Ignition module 180 202 P 811 70 Ignitor and cable 180 201 P 815 80 Ignitor gasket 250 622 90 Burner 180 170 P 841 100 Burner gasket 250 808 Screws x 4 150 344 Spring x 1 150 241 O ring x...

Page 64: ...sket 150 206 P 847 220 Inlet gas tube 180 246 230 Bypass water pipe 250 787 P 848 240 Water Flow sensor clip on 240 122 P 849 250 By pass valve 240 121 P 851 260 Return water temperature sensor 240 07...

Page 65: ...gh Voltage Control Module Control Module Low Voltage Control Module 899994 01 SFT series Schematic Wiring Diagram SFT series Ladder Wiring Diagram X1 Blower Motor Motor 120V Power Plug Ignition Igniti...

Page 66: ...n 1 of Installation and Operating Instructions Check out procedures have been followed and completed Section 3 of Installation and Operating Instructions Leak testing completed gas piping venting syst...

Page 67: ...SERVICE RECORD DATE LICENSED CONTRACTOR DESCRIPTION OF WORK DONE...

Page 68: ...NOTES...

Page 69: ...ngs updated and minor revisions R3 APRIL 2019 References to SFT as being designed for domestic purposes only and need for replacement of heat exchanger gasket during maintenance R4 JUNE 2019 Updated E...

Page 70: ...5M8 Toll Free 1 844 432 8422 Tel 604 877 0277 Fax 604 877 0295 www ibcboiler com 120 232E R5 88996405 NOVEMBER 2019 IBC Technologies Inc 2019 IBC Technologies USA Inc 1702 Taylors Lane Cinnaminson NJ...

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