Jacuzzi J-SN180W Installation And Operation Manual

Direct vent tankless water heater

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Signature Tankless Water Heaters

J‐SN180F

J‐SP180F

J‐SN199F

J‐SP199F

Read this Manual

This manual provides informa on on the installa on, opera on, and maintenance of the water heater. For proper

opera on and safety, it is important to follow the instruc ons and adhere to the safety precau ons.

Instruc ons on proper installa on and regular maintenance of the water heater should be followed to properly

operate the water heater and to maintain the warranty.

Read all of the instruc ons thoroughly before installing or opera ng this water heater.

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.

• Immediately call your gas supplier from a neighbor's phone. Follow the gas supplier's instruc ons.

• If you cannot reach your gas supplier, call the ﬁre department.

— Installa on and service must be performed by a licensed professional.

This en re manual must be le for the consumer. The consumer must read and

refer to this manual for proper opera on and to maintain the water heater.

J‐SN180W

J‐SP180W

J‐SN199W

J‐SP199W

ANS Z21.10.3 ● CSA 4.3

If the informa on in these instruc ons is not followed exactly, a ﬁre or explosion

may result causing property damage, personal injury or death.

Direct Vent Tankless Water Heater

Installa on and Opera on Manual

U307‐1021

Table of Contents

Summary of Contents for Jacuzzi J-SN180W

Page 1 Direct Vent Tankless Water Heater Installa on and Opera on Manual Signature Tankless Water Heaters J‐SN180F J‐SN180W J‐SP180F J‐SP180W J‐SN199F J‐SN199W J‐SP199F J‐SP199W ANS Z21.10.3 ● CSA 4.3 Read this Manual This manual provides informa on on the installa on, opera on, and maintenance of the water heater. For proper opera on and safety, it is important to follow the instruc ons and adhere to the safety precau ons. Instruc ons on proper installa on and regular maintenance of the water heater should be followed to properly operate the water heater and to maintain the warranty. Read all of the instruc ons thoroughly before installing or opera ng this water heater. If the informa on in these instruc ons is not followed exactly, a ﬁre or explosion WARNING may result causing property damage, personal injury or death. — 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 •...
Page 2: Table Of Contents
Manual Draining of the Water Heater ..... 39 Adjust for High Al tude ........ 20 State Regula ons ........... 40 Adjust for Vent Length ........ 20 Replacement Parts .......... 41 Checklist for Gas and Electricity ...... 20 Consumer Warranty .......... 42 Jacuzzi 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. Important Safety Informa on Safety Deﬁni ons This is the safety alert symbol. This symbol alerts you to poten al hazards that can kill or hurt you and others.
Page 3: Safety Behaviors And Prac Ces For The Consumer And Installer
• a licensed professional. Force or a empted repair Should overhea ng occur or the gas supply fail to may result in a ﬁre or explosion. shut oﬀ, turn oﬀ the manual gas control valve to the appliance. • Keep the area around the appliance clear and free • from combus ble materials, gasoline, and other Do not use an extension cord or an adapter plug ﬂammable vapors and liquids. with this appliance. CAUTION • • BURN HAZARD. Hot exhaust and vent may cause Hot water outlet pipes leaving the unit can be hot serious burns. Keep back 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” 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. Jacuzzi Signature Water Heaters J‐S180/J‐S199 3 ...
Page 4: Installa On Instruc Ons
The appliance and its appliance main gas valve Connect Electricity ........... 2 0 must be disconnected from the gas supply piping Adjust for High Al tude ........ 2 0 system during any pressure tes ng of that system Adjust for Vent Length ........ 2 0 at test pressures in excess of 1/2 psi (3.5 kPa) (13.84 in W.C.). Checklist for Gas and Electricity ....... 2 0 Installa on of Temperature Controller .... 2 1 Final Checklist .......... 2 2 4 Jacuzzi Signature Water Heaters J‐S180/J‐S199 ...
Page 5: Prepare For Installa On
Approved ven ng compound • Pressure relief valve Materials that may be needed • • Heat tape 5/8” ID PVC ﬂexible tubing • Pipe insula on • 2 conductor 22 AWG • Electrical wire and wire for controller conduit per local code • Single gang electrical • Concrete wall anchors box • Op onal pipe cover • Wire nuts • Op onal temperature • Unions, drain valves, controller isola on valves Jacuzzi Signature Water Heaters J‐S180/J‐S199 5 ...
Page 6: Determine Installa On Loca On
Solids) * • Chemicals that are corrosive in nature should not be stored or used near the water heater. Zinc * Up to 5 mg / L Outdoor/External Water Heaters and Vent * Source: Part 143 Na onal Secondary Drinking Water Termina ons of Indoor/Internal Water Heaters Regula ons • Install the water heater as far away as possible If you live in an area that is known to have hard water from exhaust vent hoods. or that causes scale build‐up you must treat your • Install as far away as possible from air inlet water and/or ﬂush the heat exchanger regularly. vents. Corrosive fumes may be released through these vents when air is not being brought in When scale build‐up in the heat exchanger begins to through them. aﬀect the performance of the water heater, a • diagnos c code “LC#” will display. Flush the heat Chemicals that are corrosive in nature should not exchanger to prevent damage to it. Scale build up is be stored or used near the water heater or vent caused by hard water set at a high temperature. termina on. Damage and repair due to corrosive compounds in the air is not covered by warranty. 6 Jacuzzi Signature Water Heaters J‐S180/J‐S199 ...
Page 7 I Clearance to service regulator vent outlet * Clearance to nonmechanical air supply inlet to building or the J 12 inches (30 cm) combus on air inlet to any other appliance 3 feet (91 cm) above if within 10 K Clearance to a mechanical air supply inlet feet (3 m) horizontally Clearance above paved sidewalk or paved driveway located on public L * property M Clearance under veranda, porch, deck, or balcony * ∗ [1] A vent shall not terminate directly above a sidewalk or paved driveway For clearances not speciﬁed in ANSI Z223.1/NFPA 54, clearances are in that is located between two single family dwellings and serves both accordance with local installa on codes and the requirements of the gas dwellings. supplier. [2] Permi ed only if veranda, porch, deck, or balcony is fully open on a Clearance to opposite wall is 24 inches (60 cm). minimum of two sides beneath the ﬂoor. Jacuzzi Signature Water Heaters J‐S180/J‐S199 7 ...
Page 8 (1.52 m) ver cally 60" between terminals • Install vent termina on such that exhaust and rising moisture will not collect under eaves. Discolora on to the exterior of the building could occur if installed too close. • Do not install the vent termina on too close under the soﬃt where it could present recircula on of exhaust gases back into the combus on air intake part of the termina on. (0.61 m) to wall or parapet 24" 36" 12" (0.30 m ) to an inside 12" corner (0.30 m) between terminals at same 12" level (0.30 m) between terminals at same level INSIDE CORNER 8 Jacuzzi Signature Water Heaters J‐S180/J‐S199 ...
Page 9 Addi onal clearances (Outdoor Models) Check on whether local codes supersede these clearances. • Avoid termina on loca ons near a dryer vent. • Avoid termina on loca ons near commercial cooking exhaust. (0.91 m) to ven lated or unven lated soﬃt or eve vent; 36" or to a deck or porch 12" 2" (50 mm) between terminals at same level (0.30 m) to an inside corner 60" (1.52 m) ver cally between terminals Jacuzzi Signature Water Heaters J‐S180/J‐S199 9 ...
Page 10 0 (zero) Front (Panel) 24 (610) 0 (zero) Front of Heater 6 (152) 6 (152) Front (Exhaust) 24 (610) 24 (610) Sides of Heater 2 (51) 1/2 (13) Sides of Heater 6 (152) 1/8 (3.2) Ground/Bo om 12 (305) 12 (305) Ground/Bo om 12 (305) 2 (51) Vent 0 (zero) 0 (zero) * 0 inches from vent components and condensate The clearance for servicing is 24 inches in front of the drain line. water heater. The clearance for servicing is 24 inches in front of the water heater. For closet installa on, clearance is 6 inches (152 mm from the front. 10 Jacuzzi Signature Water Heaters J‐S180/J‐S199 ...
Page 11 3 If the length is greater than 9 (2.7 m) then move heater is disabled due to a diagnos c code. switch No. 1 (SW1) to OFF. The freeze protec on features will not prevent the 4 Move switch No. 1 (SW1) to OFF. external piping from freezing. It is recommended that Example: If you have one elbow then your maximum hot and cold water pipes are insulated. Pipe cover vent length is 35 feet (10.7 m). If your enclosures may be packed with insula on for added actual length is greater than 15 (4.6 m) freeze protec on. then move switch no. 1 (SW1) to OFF. In the event of a power failure at temperatures below freezing the water heater should be drained of all water to prevent freezing damage. NOTICE If you have a longer vent length (see above), switch No. 1 is required to be in the OFF posi on. This ensures the water heater will run properly. Blocked ﬂue diagnos c codes and shutdowns may result if switch No. 1 is not in the correct posi on. Jacuzzi Signature Water Heaters J‐S180/J‐S199 11 ...
Page 12: Checklist To Determine Installa On Loca On
Refer to the weight of the water heater in the □ Speciﬁca ons sec on. The installa on must conform with local codes or, in the absence of local codes, with the Na onal NOTE: The water heater should be installed in an Fuel Gas Code, ANSI Z223.1/NFPA 54. If installed upright posi on. Do not install upside down or on its in a manufactured home, the installa on must side. conform with the Manufactured Home Construc on and Safety Standard, Title 24 CFR, Part 3280. Remove the Front Panel Slide the plas c trim pieces on each side of the water heater to expose the screws. Remove the 4 screws and pull oﬀ the front panel. 12 Jacuzzi Signature Water Heaters J‐S180/J‐S199 ...
Page 13: Installa On Of Ven Ng (Indoor Models)
Installa on of Ven ng (Indoor Models) Install the correct ven ng for your model according to the ven ng manufacturer’s instruc ons and the guide‐ lines below. Refer to the manufacturer’s technical literature for speciﬁc part numbers and instruc ons. Listed and Tested Vent Manufacturer Telephone Fax Contact Products Ubbink Rolux Vent System 800‐621‐9419 678‐829‐1666 www.jacuzzi.com/tankless Heat‐Fab Saf‐T Vent SC system custsvc@heat‐fab.com, 800‐772‐0739 413‐863‐4803 www.hea ab.com Metal‐Fab Corr/Guard Vent/Air Intake info@mtlfab.com, 800‐835‐2830 316‐943‐2717 System www.metal‐fabinc.com Ven ng Guidelines ...
Page 14 (condensate collector must be used in all installa ons) Condensate Condensate Trap Trap 3 in (75 mm) minimum 3 in (75 mm) 3 in (75 mm) minimum minimum To adjust the condensate collector posi on or to replace the female vent top with a male vent top: Bracket 1. Loosen the 4 screws at the rear bracket Condensate Collector 2. Slide the bracket away from the female vent top. 3. Remove the 4 screws a aching the female vent top to the water heater. 4. Li up the female vent top and reposi on as desired (or replace with a male vent top). 5. Install the 4 screws at the vent top and ghten the 4 screws at the bracket. Secure the ﬁrst vent component to the water heater Securing Screw with one self‐tapping screw at the hole located above the condensate collector. 14 Jacuzzi Signature Water Heaters J‐S180/J‐S199 ...
Page 15: Condensate (Indoor Models)
□ Verify that the vent pipe has a downward slope or • The end of the condensate drain pipe should be grade to the outside of 1/4 inch per foot (1.2°) open to the atmosphere. The end should not be OR if the vent pipe is sloped toward the water under water or other substances. heater (as some local codes require), that a • To minimize freezing of the condensate, run the condensate collector is installed to allow condensate drain line through an interior wall or condensa on to drain away from the water between insula on and an interior wall. heater to a proper drain source. □ • The condensate collector should be used for all Verify that condensate will not be allowed to hydronic hea ng applica ons. drain back into the water heater. □ Verify that the vent system does not exceed the maximum length for the number of elbows used. Jacuzzi Signature Water Heaters J‐S180/J‐S199 15 ...
Page 16: Installa On Of Plumbing
DO NOT pressure relief valve for this appliance. However, • Do not plug the relief valve and do not install any local codes may require a combina on reducing ﬁ ngs or other restric ons in the relief temperature and pressure relief valve. line. The relief line should allow for complete Isola on Valves drainage of the valve and the line. Jacuzzi recommends installa on of isola on valves on • Do not place any other type valve or shut oﬀ the cold and hot water lines. Isola on valves provide device between the relief valve and the water the ability to isolate the water heater from the heater. structure’s plumbing and allow quick access to ﬂush MUST DO the heat exchanger. • The relief valve must comply with the standard for Relief Valves and Automa c Gas Shutoﬀ Devices for Hot Water Supply Systems ANSI Z21.22 and /or the ...
Page 17 It is the responsibility of the contractor/engineer to ensure installation is in Check Valve Boiler Drain Valve accordance with all local building codes. Confer with local building Pressure Relief Valve officials before installation. Solenoid Valve Jacuzzi Signature Water Heaters J‐S180/J‐S199 17 ...
Page 18: Checklist For Plumbing
• Before placing the appliance in opera on all joints side of the water heater for BTU input. including the heater must be checked for gas □ ghtness by means of leak detector solu on, soap Clean the inlet water ﬁlter by closing the cold and and water, or an equivalent nonﬂammable hot water inlet isola on (shut‐oﬀ) valves. (Turn solu on, as applicable. (Since some leak test oﬀ the water supply if a shut‐oﬀ valve is not solu ons, including soap and water, may cause installed.) Put a bucket under the ﬁlter at the corrosion or stress cracking, the piping shall be bo om of the water heater to catch any water rinsed with water a er tes ng, unless it has been that is contained inside the unit. Unscrew the determined that the leak test solu on is non‐ water ﬁlter. Rinse the ﬁlter to remove any debris. corrosive.) Install the ﬁlter and open the isola on valves. • 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. 18 Jacuzzi Signature Water Heaters J‐S180/J‐S199 ...
Page 19 The hea ng value of natural gas for your loca on is 1000 BTU/FT . The gas input of the J‐SN199F is 40 137 287 541 1110 199,000 BTU/HR. Addi onal appliances at the loca‐ 50 122 255 480 985 on require 65,000 BTU/hr. Therefore the cubic feet per hour = (199,000 + 65,000) / 1000 = 264 FT /HR. If 60 110 231 434 892 the pipe length is 10 feet then the 3/4 inch pipe size is 80 101 212 400 821 capable of supplying 264 FT /HR of natural gas. 100 94 197 372 763 Jacuzzi Signature Water Heaters J‐S180/J‐S199 19 ...
Page 20: Connect Electricity
On outdoor models, a disconnect switch must be vent length”. provided and installed for the incoming 120 VAC power. It should be a type that is suitable for outdoor Checklist for Gas and Electricity use. Check the Na onal Electrical Code, ANSI/NFPA 70 and your local codes for a proper switch type to □ A manual gas control valve is placed in the gas use in your area. line to the water heater. The wiring diagram is located on the Technical Sheet □ a ached to the inside of the front cover. 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. □ For indoor models, verify that switch No. 1 in the SW1 DIP switch (tan switches) has been adjusted for vent length if necessary. Refer to the sec on on Maximum Vent Length. 20 Jacuzzi Signature Water Heaters J‐S180/J‐S199 ...
Page 21: Installa On Of Temperature Controller
9. Secure the controller cable using the clamp Cable Lengths and Sizes provided. The cable for the temperature controller should be a 10. Replace plas c cover over PCB and then replace non‐polarized two‐core cable with a minimum gauge the cover of the water heater. of 22 AWG. The maximum cable length from each controller to the water heater depends on the total number of wired controllers connected to the water heater. Controllers need to be wired in parallel. If four J‐C100 controllers are installed, simultaneously press the Priority Mode and Power bu ons on the fourth controller un l a beep sounds. Number of Maximum Cable Length for each Controllers Controller to Water Heater 1 328 (100 m) 2 164 (50 m) 3 or 4* 65 (20 m) * Only 3 addi onal controllers can be wired to the indoor water heater. Jacuzzi Signature Water Heaters J‐S180/J‐S199 21 ...
Page 22: Final Checklist
Fuel Gas Code, ANSI Z223.1/NFPA 54. If installed □ Clean the inlet water ﬁlter by closing the cold and in a manufactured home, the installa on must hot water inlet isola on (shut‐oﬀ) valves. Put a conform with the Manufactured Home bucket under the ﬁlter at the bo om of the water Construc on and Safety Standard, Title 24 CFR, heater to catch any water that is contained inside Part 3280. the unit. Unscrew the water ﬁlter. Rinse the □ Leave the en re manual taped to the water ﬁlter to remove any debris. Install the ﬁlter and heater (indoor models), temperature controller open the isola on valves. (outdoor models), or give the en re manual directly to the consumer. 22 Jacuzzi Signature Water Heaters J‐S180/J‐S199 ...
Page 23: Technical Data
Electric Connec ons Temperature Controller: DC 12 Volts (Digital) Water Temperature Control Simula on Feedforward and Feedback Water Supply Pressure Minimum Water Pressure: 50 PSI (Recommended 60‐80 PSI for maximum performance) Maximum Water Supply Pressure 150 PSI Temperature Control Cable Non‐Polarized Two Core Cable (Minimum 22 AWG) Energy Star Qualiﬁed Yes Cer ﬁed for installa on in Yes manufactured (mobile) homes Complies with South Coast Air Quality Management District 14 ng/J or 20 Yes No Yes Yes ppm NOx emission levels * Minimum ﬂow may vary slightly depending on the temperature se ng and the inlet water temperature. Minimum ac va on ﬂow is 0.4 GPM (1.5 L/min). Our products are con nually being updated and improved; 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. Jacuzzi Signature Water Heaters J‐S180/J‐S199 23 ...
Page 24: Dimensions
Outdoor Models ‐ J‐SN180W, J‐SP180W, J‐SN199W, J‐SP199W 9.27 (235.5) 0.59 (15) 0.28 (7.2) 14.04 (356.6) 8.90 (226) B C F G E D DIMENSION Inches (mm) DIMENSION Inches (mm) A (GAS) 1.31 (33.2) D 4.33 (110) A (COLD) 1.93 (49) E 2.91 (73.8) A (HOT) 1.35 (34.4) F 1.61 (40.8) A B 3.96 (100.7) G 2.87 (73) C 1.17 (29.8) 24 Jacuzzi Signature Water Heaters J‐S180/J‐S199 ...
Page 25 Informa on for the Service Provider Pressure Drop Curve J‐SN199 J‐SN180 J‐SP199 J‐SP180 60.00 55.00 50.00 45.00 40.00 35.00 30.00 25.00 20.00 15.00 10.00 5.00 0.00 Water Flow (gpm) Outlet Flow Data J‐SN199 J‐SP199 J‐SN180 J‐SP180 delta T ‐ Temperature Rise (°F) Jacuzzi Signature Water Heaters J‐S180/J‐S199 25 ...
Page 26: Ladder Diagram
Ladder Diagram 26 Jacuzzi Signature Water Heaters J‐S180/J‐S199 ...
Page 27: Opera On Instruc Ons
Direct Vent Tankless Water Heater Opera on Instruc ons Signature Tankless Water Heaters J‐SN180F J‐SN180W J‐SP180F J‐SP180W J‐SN199F J‐SN199W J‐SP199F J‐SP199W Important Facts about your Water Heater Thank you for purchasing a Jacuzzi Tankless Water Heater. For proper opera on and safety, it is important to follow the instruc ons and adhere to the safety precau ons. Read all of the instruc ons and the warranty thoroughly before opera ng this water heater. Keep this manual in a safe place. If the informa on in these instruc ons is not followed exactly, a ﬁre or WARNING explosion may result causing property damage, personal injury or death. — 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. • Immediately call your gas supplier from a neighbor’s phone. Follow the gas supplier’s ...
Page 28: Consumer Opera On Guidelines For The Safe Opera On Of Your Water Heater
5. Locate the manual gas valve on the side of the 8. Turn on all electric power to the appliance using the Power bu on. Manual Valve 9. Set the thermostat to desired se ng. CLOSE OPEN 10. Open a hot water tap. If the appliance will not operate, follow the instruc ons “To Turn Oﬀ Gas To Appliance” and call your licensed professional or gas supplier. See manual for addi onal informa on. TO TURN OFF GAS TO APPLIANCE 1. Turn oﬀ all electric power to the appliance using 3. Locate the manual gas valve on the side of the the Power bu on. heater. Turn the manual valve clockwise to the full OFF posi on. 2. Set the thermostat to lowest se ng. 28 Jacuzzi Signature Water Heaters J‐S180/J‐S199 ...
Page 29: Opera Ng Instruc Ons
J‐C200 Spa Controller The J‐C200 controller is water resistant. Avoid splashing the controller. NOTICE Dimensions (inches): 8.0 W x 4.125 H x 0.875 D In Use Temperature Bath Fill Indicator Indicator Display Priority Mode Bu on and Opera on Indicator Bu on (Power) Bath Fill Bath Fill Power Save J-C200 Use caution when adjusting wat er temperature. Temperature Sound Water Volume Selec on Jacuzzi Signature Water Heaters J‐S180/J‐S199 29 ...
Page 30: How To Set The Temperature
If a newly installed unit with a controller NOTICE can only be changed while no hot has not been powered for at least 6 hours water is running.) then the temperature will return to the default se ng of 104° F (40° C) if power is 3. Press the up (+) or down (‐) interrupted. bu ons to obtain the desired temperature se ng. There may be a varia on between the NOTICE All hot water sources are able to temperature displayed on the provide water at this temperature temperature controller and the se ng un l it is changed again at temperature at the tap due to weather this or another temperature condi ons or the length of pipe to the controller. water heater. 30 Jacuzzi Signature Water Heaters J‐S180/J‐S199 ...
Page 31 The default temperature se ng for this appliance installed without a temperature controller is 120° F (49° C). If desired, the temperature se ng can be changed to 140° F (60° C) by adjustment of a switch. In the SW1 bank of tan switches, set switch 5 to ON to obtain 140° F water temperature se ng. Set switch 5 to OFF (default) to obtain 120° F water temperature se ng. If a temperature controller is installed, then switch 5 has no eﬀect on temperature se ngs. Se ng Controller to Mute On the J‐C100 to eliminate the beeps when keys are pressed or to turn the beeps back on, press and hold both the up (+) and down (‐) bu ons un l a beep is heard (approximately 5 seconds). Se ng the Sound Volume (Voice Prompt) on the Spa Controller J‐C200 Press the “Adjust Sound” bu on to adjust the voice prompt volume. The default sound volume is set to Medium. Each subsequent press of the bu on cycles through the volume levels in the order below. Oﬀ Volume Oﬀ Sound Medium High Volume Low Volume Volume (beep) (no beep) Jacuzzi Signature Water Heaters J‐S180/J‐S199 31 ...
Page 32: Using The Bath Fill Func On
Loss If power is lost a er the bath has ﬁlled ﬁrst me: but before the bath ﬁll func on bu on is Prevent de‐selected, then the water will not ﬂow • Over Monitor and remain by the bath while during the power loss or a er the power Filling the water is running. is returned. Once power returns, close • Use a low bath ﬁll volume less than the hot water tap and de‐select the bath 25 gallons ﬁll func on. No diagnos c code appears. Do not use with single handle ﬁxtures NOTICE that have an ‐scald features built into An ‐ them. These ﬁxtures allow a scald predetermined amount of cold water Fixtures which is not taken into account by the bath ﬁll func on. 32 Jacuzzi Signature Water Heaters J‐S180/J‐S199 ...
Page 33: Diagnos C Codes
The bu on light will go out. To obtain the outgoing water temperature press the up (+) or down (‐) bu ons un l “02” displays. The temperature will appear in degrees Fahrenheit. To stop the water ﬂow during the Bath Fill NOTICE func on, press the “Bath Fill” bu on. The To Stop bu on will ﬂash and the voice prompt will No. Data Unit the Bath announce, “Hot water is not available. Fill Turn oﬀ all hot water taps and push the 01 Water ﬂow rate 0.1 gal/min Before it Bath Fill bu on.” Follow the voice 02 Outgoing water Degrees prompt instruc ons. Finishes Fahrenheit temperature Jacuzzi Signature Water Heaters J‐S180/J‐S199 33 ...
Page 34 Thermal Fuse Check for restric ons in air ﬂow around unit and vent terminal. Check gas type of unit and ensure it matches gas type being used. Check for low water ﬂow in a circula ng system causing short‐cycling. Ensure dip switches are set to the proper posi on. Check for foreign materials in combus on chamber and/or exhaust piping. licensed Check heat exchanger for cracks and/or separa ons. professional Check heat exchanger surface for hot spots which indicate blockage due to scale only build‐up. Refer to instruc ons in manual for ﬂushing heat exchanger. Hard water must be treated to prevent scale build up or damage to the heat exchanger. Measure resistance of safety circuit. Ensure high ﬁre and low ﬁre manifold pressure is correct. Check for improper conversion of product. 16 Over Temperature Warning Check for restric ons in air ﬂow around unit and vent terminal. licensed Check for low water ﬂow in a circula ng system causing short‐cycling. professional Check for foreign materials in combus on chamber and/or exhaust piping. only Check for blockage in the heat exchanger. 34 Jacuzzi Signature Water Heaters J‐S180/J‐S199 ...
Page 35 Scale Build‐up in Heat LC # manual. Hard water must be treated to prevent scale build up or damage to the heat Exchanger (when checking exchanger. (LC0, maintenance code history, To operate the water heater temporarily un l the heat exchanger can be ﬂushed, push the LC1, “00” is subs tuted for Power bu on on the temperature controller 5 mes. Repeated LC codes will eventually lockout LC2,…) “LC#”) the water heater. Please call Jacuzzi technical department(1‐888‐835‐9320) FF Maintenance Performed Indicates a service provider performed maintenance or corrected an issue. Clean inlet water supply ﬁlter. On new installa ons ensure hot and cold water lines are not reversed. Verify you have at least the minimum ﬂow rate required to ﬁre unit. Check for cold to hot cross over. Isolate circula ng system if present. Turn oﬀ cold water to the No Nothing happens when unit, open pressure relief valve; if water con nues to ﬂow, there is bleed over in your plumbing. code water ﬂow is ac vated. ...
Page 36: Required Maintenance
2. Close the water shut oﬀ valves. Remove and clean “LC#”.) the water inlet ﬁlter. Snow Accumula on 3. Remove the front panel by removing 4 screws. Keep the area around ﬂue terminal free of snow and 4. Use pressurized air to remove dust from the main ice. The appliance will not func on properly if the burner, heat exchanger, and fan blades. Do not intake air or exhaust is impeded (blocked or par ally use a wet cloth or spray cleaners on the burner. blocked) by obstruc ons. Do not use vola le substances such as benzene and thinners. They may ignite or fade the paint. Clean the water ﬁlter 5. Use so dry cloth to wipe cabinet. Clean the inlet water ﬁlter by closing the cold and hot Vent System water inlet isola on (shut‐oﬀ) valves. Put a bucket under the ﬁlter at the bo om of the water heater to The vent system should be inspected at least annually catch any water that is contained inside the unit. for blockages or damage. Unscrew the water ﬁlter. Rinse the ﬁlter to remove any debris. Install the ﬁlter and open the isola on valves. 36 Jacuzzi Signature Water Heaters J‐S180/J‐S199 ...
Page 37 WATER when opera ng correctly. The ﬂame must burn with a clear, blue, stable ﬂame. See the parts breakdown Shut oﬀ the cold water supply to the water heater. It of the burner for the loca on of the view ports. is generally preferable to shut oﬀ the water to the en re loca on if water is not going to be used. The ﬂame pa ern should be as shown in the ﬁgures below. Drain the water heater by opening the drain valves on the cold water line and hot water line. Open several hot water taps and remove the ﬁlter assembly at the water inlet in order to allow room for expansion in case there is water in the lines that freeze. ELECTRIC Disconnect the power supply by either unplugging the electrical cord or by turning oﬀ the circuit breaker to the water heater to prevent poten al damage from irregular power surges or interrup ons. VENT TERMINATION Place a cover over the vent termina on (intake and exhaust) if it can be safely accessed. The cover should be easy to apply and remove. This will prevent debris, leaves, and small animals from entering the ven ng and water heater which could cause air ﬂow issues upon return to service. Jacuzzi Signature Water Heaters J‐S180/J‐S199 37 ...
Page 38: Flushing The Heat Exchanger
8. Operate the pump and allow the cleaning solu on to circulate through the water heater for at least 1 hour at a rate of 4 gallons per minute (17.6 liters per minute). 9. Turn oﬀ the pump. 10. Rinse the cleaning solu on from the water heater as follows: a. Remove the free end of the drain hose (H3) from the pail. Place in sink or outside to drain. b. Close service valve, (V2), and open shutoﬀ valve, (V4). Do not open shutoﬀ valve, (V3). c. Allow water to ﬂow through the water heater for 5 minutes. d. Close shutoﬀ valve (V4). When unit has ﬁnished draining remove the in‐line ﬁlter at the cold water inlet and clean out any residue. Place ﬁlter back into unit and open valve (V4). e. Close service valve, (V1), and open shutoﬀ valve, (V3). 11. Disconnect all hoses. 12. Restore electrical power to the water heater. Following ﬂush procedure call technical assistance (1‐888‐835‐ 9320 for PCB reset informa on. Circulating Pump 38 Jacuzzi Signature Water Heaters J‐S180/J‐S199 ...
Page 39: Manual Draining Of The Water Heater
5. Open a tap and conﬁrm that water ﬂows, and then close. 6. Turn on the power. 7. A er conﬁrming that the temperature controller is oﬀ, turn on the gas supply. 8. Turn on the temperature controller. Running a low volume of water through the water heater to prevent freezing If the temperature exceeds the ability of the water heater to freeze protect itself, or if power is lost, the following steps may prevent the water heater and external piping from freezing. (Units connected with COLD J‐LINK (2 unit link) should be drained to prevent freezing if not in use.) 1. Turn the water heater oﬀ. 0.1 gal/min or 2. Close the gas supply valve. about 0.2 inch 3. Turn on a hot water tap to ﬂow water about 0.1 gal/min or where thick the stream is about 0.2 inches thick. When the water heater or external piping has frozen 1. Do not operate the water heater if it or the external piping is frozen. 2. Close the gas and water valves and turn oﬀ the power. 3. Wait un l the water thaws. Check by opening the water supply valve. 4. Check the water heater and the piping for leaks. Jacuzzi Signature Water Heaters J‐S180/J‐S199 39 ...
Page 40: State Regula Ons
In the event that the side wall horizontally vented gas fueled equipment is installed in a crawl space or an a c, the hard wired carbon monoxide detector with alarm and ba ery back‐up may be installed on the next adjacent ﬂoor level. b. In the event that the requirements of this subdivision can not be met at the me of comple on of installa on, the owner shall have a period of thirty (30) days to comply with the above requirements; provided, however, that during said thirty (30) day period, a ba ery operated carbon monoxide detector with an alarm shall be installed. 2. APPROVED CARBON MONOXIDE DETECTORS. Each carbon monoxide detector as required in accordance with the above provisions shall comply with NFPA 720 and be ANSI/UL 2034 listed and IAS cer ﬁed. 3. SIGNAGE. A metal or plas c iden ﬁca on plate shall be permanently mounted to the exterior of the building at a minimum height of eight (8) feet above grade directly in line with the exhaust vent terminal for the horizontally vented gas fueled hea ng appliance or equipment. The sign shall read, in print size no less than one‐half (1/2) inch in size, "GAS VENT DIRECTLY BELOW. KEEP CLEAR OF ALL OBSTRUCTIONS". 4. INSPECTION. The state or local gas inspector of the side wall horizontally vented gas fueled equipment shall not approve the installa on unless, upon inspec on, the inspector observes carbon monoxide detectors and signage installed in accordance with the provisions of 248 CMR 5.08(2)(a)1 through 4. 40 Jacuzzi Signature Water Heaters J‐S180/J‐S199 ...
Page 41: Replacement Parts
The Technical Sheet which is located inside the front cover of the water heater contains a complete illustrated parts list. Tech Sheet Gas Control Assembly Electrode / Flame Rod Item No. Gas Control Assembly 100 Electrode / Flame Rod Kit 116, 117 Fan Assembly / Motor 125 Heat Exchanger 143 Water Flow Servo & Sensor 401 Bypass‐Servo Assembly 403 Fan Assembly / Motor Heat Exchanger Water Filter Assy 412 PC Board 700 Ignitor 706 Thermal Fuse Harness 725 Bypass‐Servo Assembly Water Flow Servo & Water Filter Assy PC Board Sensor Ignitor Thermal Fuse Harness Jacuzzi Signature Water Heaters J‐S180/J‐S199 41 ...
Page 42: Consumer Warranty
What is covered? This Warranty covers any defects in materials or workmanship when the product is installed and operated according to Jacuzzi wri en installa on instruc ons, subject to the terms within this Limited Warranty document. This Warranty applies only to products that are installed correctly. Improper installa on may void this Warranty. Jacuzzi strongly suggests that you use a licensed professional who has a ended a product knowledge class before installing this water heater. This Warranty extends to the original purchaser and subsequent owners, but only while the product remains at the site of the original installa on. This Warranty only extends through the ﬁrst installa on of the product and terminates if the product is moved or reinstalled at a new loca on. How long does coverage last? Period of Coverage (from date of purchase) Item Residen al Applica ons Commercial Applica ons Heat Exchanger 12 years * 5 years * ...
Page 43 How do I get service? You must contact a state qualiﬁed/licensed professional for the repair of a product under this Warranty. For the name of a licensed professional please contact your place of purchase, visit the Jacuzzi website (www.jacuzzi.com/tankless), call Jacuzzi at 1‐888‐835‐9320 or write to Jacuzzi at 103 Interna onal Drive, Peachtree City, Georgia 30269. Proof of purchase is required to obtain warranty service. You may register this product within 30 days of purchase or you may show proof of purchase with a dated sales receipt. To register your tankless water heater, . please visit www.jacuzzi.com/tankless. For those without internet access, please call 1‐888‐835‐9320 Receipt of Registra on by Jacuzzi will cons tute proof‐of‐purchase for this product. However, Registra on is not necessary in order to validate this Warranty. What is not covered? This Warranty does not cover any failures or opera ng diﬃcul es due to the following: • accident, abuse, or misuse • altera on • misapplica on • force majeure • improper installa on (such as but not limited to inadequate water quality, condensate damage, improper ven ng, incorrect gas type, incorrect gas or water pressure, or absence of a drain pan under the appliance) • improper maintenance (such as but not limited to scale build‐up, freeze damage, or vent blockage) •...

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Jacuzzi J-SN180W Installation And Operation Manual

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