Ferguson JWSH100250 manual

1 PLACE THESE INSTRUCTIONS ADJACENT TO HEA TER AND NOTIFY OWNER T O KEEP FOR FUTURE REFERENCE. PRINTED 0809 316792-000 MODELS (A)JWSH100150 THRU (A)JWSH100250 SERIES 100 AND 101 COMMERCIAL GAS W A TER HEA TER GAS-FIRED POWER BURNER FOR DOMESTIC HOT W A TER CAUTION TEXT PRINTED OR UNDERLINED IN RED CONT AINS INFORMA TION RELA TIVE T O YOUR SAFETY . [...]

2 These designs comply with the current version of the Sta nd ar d for Gas W at e r Heaters, Volume III , AN SI Z 21 .1 0 .3 / CSA 4 .3 as a ut o ma ti c ci r cu la t in g tan k wat e r heaters, and automatic storage water heaters. Detailed installation diagrams are found in this manual. These diagrams will serve to provide the installer with a ref[...]

3 DANGER THIS W A TER HEA TER IS EQUIPPED WITH AN ADJUST ABLE THERMOST A T TO CONTROL W A TER TEMPERA TURE. HOT WA TER TEMPERA TURES REQUIRED FOR AUTOMA TIC DISHWASHER AND LAUNDRY USE CAN CAUSE SCALD BURNS RESUL TING IN SERIOUS PERSONAL INJURY AND/OR DEA TH. THE TEMPERA TURE A T WHICH INJURY OCCURS V ARIES WITH THE PERSON’S AGE AND THE TIME OF TH[...]

4 temperature be set for the lowest temperature which satises your hot water needs. This will also provide the most energy efcient operation of the water heater and minimize scale formation. SETTING THE W A TER HEA TER TEMPERA TURE A T 120°F/49°C WILL REDUCE THE RISK OF SCALDS. Figure 1 shows the approximate time-to-burn relationship for no[...]

5 LOCA TING THE HEA TER W ARNING THERE IS A RISK IN USING FUEL BURNING APPLIANCES SUCH AS GAS WA TER HEA TERS IN ROOMS, GARAGES OR OTHER AREAS WHERE GASOLINE, OTHER FLAMMABLE LIQUIDS OR ENGINE DRIVEN EQUIPMENT OR VEHICLES ARE STORED, OPERA TED OR REP AIRED. FLAMMABLE V APORS ARE HEA VY AND TRA VEL ALONG THE FLOOR AND MA Y BE IGNITED BY THE HEA TER?[...]

6 If the conned space is within a building of tight construction, air for combustion and ven til at ion mus t be o bta ine d fr om o utd oor s. When dire ct ly co mm uni cat in g with the outdoors through vertical ducts, two permanent openings, located in the above manner , shall be provided. Each opening shall have a free area of not less than [...]

7 CANADIAN POWER VENT FIGURE 5. CAUTION TO PREVENT EXHAUSTING PRODUCTS FROM CIRCULA TING T O THE AIR INT AKE IN WINDY/COLD AREAS, THE MAXIMUM PRACTICAL DIST ANCE BETWEEN THESE TWO TERMINALS IS RECOMMENDED. CANADIAN DIRECT VENT FIGURE 6.[...]

8 IMPORT ANT The vent system must terminate so that proper clearances are maintained as cited in local codes or the current editions of the National Fuel Gas Code, ANSI Z223.1/NFP A 54 or the Natural Gas and Propane Installation Code, CAN/CSA-B149.1. Installation of this water heater must comply with CAN/CSA B149.1 - Natural Gas and Propane Install[...]

9 5. Glue the intake vent terminal to the section of the pipe. 6. Slide the wall plate over the pipe to stop against intake vent terminal. 7. Place a bead of caulking (not supplied) around the gap between the pipe and the wall. Place some of the caulking on the back of the plate to hold it against the wall after installation. 8. If the vent pipe is[...]

10 NOTE: for Wat er Heate rs in locat ions wit h high ambie nt tempe ratur es (abov e 100°F or 38°C) and/or insufcient dilution air , it is recommended that CPVC pipe and ttings marked ULC S636 compliant ( MUST USE SUPPLIED VENT TERMINAL) be used. 4. It is important that condensate not be allowed to buildup in the exhaust vent pipe. T o pre[...]

11 LOW GAS PRESSURE SWITCH (SEE FIGURE 12) The Low Gas Switch (LGS) is a single-pole, normally open pressure switch that will close its contacts when a rising pressure of 5.0 in. (1.25Kpa) W .C. is encountered. The contacts will open when the pressure falls below the xed set point of 4.8"WC (1.18Kpa) for natural gas models and 8.5"WC ([...]

12 W ARNING THE HEATER IS NOT INTENDED FOR OPERATION AT HIGHER THAN 10.5" (2.59 KPa) WATER COLUMN SUPPLY GAS PRESSURE. HIGHER GAS SUPPLY PRESSURES REQUIRE SUPPLEMENTAL REDUCING SERVICE REGULATION. EXPOSURE TO HIGHER GAS SUPPLY PRESSURE MAY CAUSE DAMAGE TO THE GAS CONTROLS WHICH COULD RESULT IN FIRE OR EXPLOSION. IF OVERPRESSURE HAS OCCURRED SU[...]

13 DISCONNECT THE APPLIANCE AND ITS MANUAL GAS SHUTOFF V AL VE FROM THE GAS SUPPL Y PIPING SYSTEM DURING ANY SUPPL Y PRESSURE TESTING EXCEEDING 1/2 PSIG (3.45Kpa). GAS SUPPL Y LINE MUST BE CAPPED WHEN DISCONNECTED FROM THE HEA TER. FOR TEST PRESSURES OF 1/2 PSIG (3.45Kpa) OR LESS, THE APPLIANCE NEED NOT BE DISCONNECTED, BUT MUST BE ISOLA TED FROM T[...]

14 THE CONTROLLER TO MALFUNCTION. A HIGH QUALITY POWER CON DIT IO NER MUST BE INST ALLED IF THE ABO VE C OND ITI ONS EXI ST . MALFUNCTIONS CAUSED BY A POOR ELECTRICAL SUPPL Y ARE NOT COVERED UNDER YOUR W ARRANTY . The controller is wired to the heater as shown in Figure 15. The model and rating plate provides the electrical information needed to si[...]

15 USING THE ELECTRONIC CONTROLLER 1. Overview Interaction with the water heater controller is done through an up, a down, and three operation buttons. These buttons are illustrated to the right. Operation of the three lower buttons is dened immediately above them on the screen. The [UP] and [DN] buttons are used to navigate through the menus an[...]

16 3. Adjusting the Operating Set Point The Operating Set Point of this water heater determines the regulated temperature for the water in the tank. This parameter is adjusted in the T emperature menu. Items in this menu allow you to monitor dif ferent tem- perature readings in the tank along with adjusting the Operating Set Point and Differential [...]

17 4. Changing the Display Units The display interface to the heater has the option of selecting between de- grees Fahrenheit and degrees Celsius for temperature displays. This can be found in the “Display Settings” menu. Also in this menu, you may adjust how the backlight operates and the contrast of the LCD screen. ACTION: From the Main Menu,[...]

18 ACTION: T o get to the current fault information screen, press Menu. DISPLA Y : ACTION: Press the DOWN button to highlight "current Fault" and press Select. DISPLA Y : ACTION: Press the DOWN button for more information. DISPLA Y : 7. Viewing the Fault History The controller for this water heater will store a history of ten of the last [...]

19 5. Check the vent system seams and joints and ensure that there is no discharge of ue products into the room. 6. Check the input rate. For appliance installation locations with elevations above 6500 feet (1982 meters) refer to HIGH AL TITUDE INST ALLA TIONS section of this manual. a. Attach a pressure gauge (manometer) to the manifold pressur[...]

20 W ARNING UNDER NO CIRCUMS T ANCES SHOULD THE INP UT EXCEE D THE RA TE SHOWN ON THE HEA TER RA TING PLA TE. OVER FIRING COULD RESUL T IN DAMAGE OR SOOTING OF THE HEA TER. CA THODIC PROTECTION CAUTION HY DR OGE N GA S CA N BE PRO DU CE D IN A HO T WA TE R SY ST EM SERVED BY THIS HEA TER THA T HAS NOT BEEN USED FOR A LONG PERIOD OF TIME (GENERALL Y[...]

21 FOR YOUR SAFETY READ BEFORE OPERA TING W ARNING: If you do not follow these instructions exactly , a fire or explosion may result causing property damage, personal injury or loss of life. (A)JWSH100150 ONL Y . OPERA TING INSTRUCTIONS TURN OFF GAS TO APPLIANCE[...]

22 (A)JWSH100199 & (A)JWSH100250 MODELS ONL Y . OPERA TING INSTRUCTIONS TURN OFF GAS TO APPLIANCE FOR YOUR SAFETY READ BEFORE OPERA TING W ARNING: If you do not follow these instructions exactly , a re or explosion may result causing property damage, personal injury or loss of life. OPERA TING INSTRUCTIONS TURN OFF GAS TO APPLIANCE[...]

23 FIGURE 16. T o dissolve and remove the more stubborn mineral deposits, UN•LIME® Professional Delimer should be used. UN•LIME® Professional Delimer is an easy to handle patented food grade acid formulated specically for lime scale removal from all types of water using equipment. Available in 1 gallon (3.8L) (part no. 4763) and 5 gallon ([...]

24 DRAIN V AL VE AND ACCESS P ANELS The heaters are equipped with a 3/4" drain valve. An access panel covers the cleanout opening in the tank which is sealed by a gasket and cover , gure 25. RELIEF V AL VE At least twice a year , the temperature and pressure relief valve should be checked to ensure that it is in operating condition. T o che[...]

25 ONE TEMPERA TURE - ONE HEA TER HORIZONT AL ST ORAGE T ANK FORCED CIRCULA TION WITH OR WITHOUT BUILDING RECIRCULA TION DANGER TEMPERA TURE SETTING SHOULD NOT EXCEED SAFE TEMPERA TURE A T FIXTURES. SEE W A TER TEMPERA TURE CONTROL WARNING ON P AGE 3 . I F H I G H E R PR E H E AT T E M P E R AT U R ES A R E NECESSARY TO OBT AIN ADEQUA TE BOOSTER OU[...]

26 * PIPE RELIEF V AL VE T O OPEN DRAIN. NOTE: I F T E M P E R E D W A T E R I S RECIRCULA TED, RETURN LINE SHOULD BE CONNECTED A T POINT “A”. INST ALL IN ACCORDANCE WITH LOCAL CODES. TWO TEMPERA TURE - ONE HEA TER HIGH TEMPERA TURE WITH OR WITHOUT BUILDING RECIRCULA TION DANGER TEMPERA TURE SETTING SHOULD NOT EXCEED SAFE TEMPERA TURE A T FIXTU[...]

27 TWO TEMPERA TURE - TWO HEA TERS HIGH TEMPERA TURE WITH OR WITHOUT BUILDING RECIRCULA TION TWO TEMPERA TURE - THREE HEA TERS (TWO PRE-HEA TERS/ONE BOOSTER HEA TER) WITH OR WITHOUT BUILDING RECIRCULA TION MUST BE IDENTICAL HEA TERS FOR MUL TIPLE HEA TER INST ALLA TION SEE MANIFOLD KIT SPECIFICA TIONS, P AGE 33. CAUTION: IF BUILDING CO LD WA TER SU[...]

28 * PIPE RELIEF V AL VE TO OPEN DRAIN ** 140°F (60°C) TO 150°F (66°C) SHOULD BE MAXIMUM WA TER TEMPERA TURE MAINT AINED IN THE PRE-HEA TERS. 120°F (49°C) SHOULD BE THE MINIMUM TEMPERATURE OF WATER IN THE PRE- HEATERS. CONNECT CIRCULA TING LINE FROM FIXTURES, IF USED, TO COLD W A TER SUPPL Y LINE OF PRE-HEA TER. C O NN EC T CI RC U L A T IN G[...]

29 NOTE 1: TOGGLE SWITCH CONTROLS 180°F (82°C) WA TER CIRCULA TION. INST ALL ON OR CLOSE TO DISHWASHER. TOGGLE SWITCH MUST BE CLOSED (ON) DURING THE RINSE OPERA TION AND OPEN (OFF) WHEN DISHWASHER IS NOT OPERA TING OR WHEN ON LONG ST ANDBY . NOTE 2: INST ALL LINE TEMPERA TURE CONTROL IN AN UNINSULA TED TEE BEYOND THE DISHW ASHER T AKEOFF IN THE S[...]

30 MANIFOLD KITS Precision cut type “L” all copper manifold kits assure water ow balance of all units. Without this balance, the full water heating and storage potential of the system cannot be achieved. Plus, the units with the higher water ow may have a shortened life. Dimensions shown are for minimum space occupied by the water heaters[...]

31 CHECKLIST AND SER VICE INFORMA TION IMPORT ANT The installer may be able to observe and correct certain problems which might arise when the unit is put into operation or when it is re-fired after a prolonged shutdown. HOWEVER, it is recommended that only qualified servicemen, using appropriate test equipment, be allowed to service the heater . B[...]

32 MOTOR WILL NOT RUN 1. Conrm 120V AC to the controller . Also, to verify correct polarity , check for 120 V AC between hot supply and ground. If there is no voltage, check for a loose connection where it connects to the controller . 2. If there is 120 volts to the controller , check for loose connections or a locked rotor . If the rotor cannot[...]

33 MODELS (A)JWSH100150 thru (A)JWSH100250 LIMITED W ARRANTY GSW W ater Heating, the warrantor , extends the following LIMITED W ARRANTY to the owner of this water heater . 1. THE T ANK If the glass-lined tank in this water heater shall prove to the satisfaction of the warrantor to have leaked due to natural corrosion from potable water therein, du[...]

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599 Hill Street West Fergus, ON Canada N1M 2X1[...]