Jacuzzi Gatsby, Mechanical Operation And Repair

Page 1: ...and Swift River Spas built by Jacuzzi ONLY for the Following ELECTRONIC Spas Made 1999 2002 with this Topside does not Apply to ANY Model using other topsides Published by GatsbySpaParts com Copyrigh...

Page 2: ...UL AND USE PROPER ELECTRICAL PROTECTION AND PROCEDURES Although this booklet should be able to guide you through most repairs and even diagnosing the problem www gatsbyspaparts com offers an Ask the E...

Page 3: ...ol System Chapter Four Air Blowers Chapter Five Pressure Switch Flow Switch Chapter Six Sensors Chapter Seven Topside Control Chapter Eight Ozonators Chapter Nine Mood Lights Chapter Ten Plumbing Chap...

Page 4: ...into the spa Topside the control pad on the outside of the spa that you operate the spa from including temperature change and jet action Control Box or Command Center the box underneath that includes...

Page 5: ...vicing spas for Jacuzzi Whirlpool Bath was also the time the industry was switching to electronic controlled spas Therefore I experienced the changes that have occurred during this time and continue t...

Page 6: ...ctronic spas Unfortunately for spa owners of earlier non electronic models parts and support are not available Jacuzzi recommendation to those owners with problems with their older control system is t...

Page 7: ...and dropped into a mold and vacuumed to form the shell Then it s flipped over and sprayed with a fiberglass solution that gives it strength Holes are drilled into the spa and jets installed Then the...

Page 8: ...ynthetic siding require little upkeep other than cleaning I have seen spas where the heat of the sun causes the panels to bow and lose shape If you see this happening you might consider reinforcing th...

Page 9: ...vails the homeowner with a system that keeps water clean by constant filtering Most common is full replacement of failed circulation pumps not replacing internal parts II Jet Pump Your spa will have o...

Page 10: ...he compressed water escapes out of the top of the pump Commonly the motor is ONLY the motor Most common are either AO Smith or Emerson motors although other companies make motors like GE Spa motors ar...

Page 11: ...ve 4 bolts holding the front face of the pump volute to the pump housing B You will see the nose of the impellor You will want to disconnect the impellor from the motor shaft The motor shaft screws in...

Page 12: ...bel and make sure the wires go to the same speed Circulation Pump Most Gatsby models have a 24 hour circulation pump It sits next to the heater When power is applied to the spa the control unit turns...

Page 13: ...only the newer E pump from the same manufacturer This pump has several advantages First its expected to last longer because it draws less current and doesn t get as hot And second to avoid airlocks t...

Page 14: ...ction fittings and one or two assemblies with filters designed to pull water from the top of the spa The theory is this will draw water from upper and lower and therefore keep a thorough water movemen...

Page 15: ...zontal heater typically requires you to drain the spa You then disconnect the heater couplings from the plumbing Your heater will either be held to the control box by nuts holding the heater s bolts t...

Page 16: ...heater is typically mounted with 3 screw bolts Remove Disconnect heater hose off the heater swap and install Plug in cords Attach ground wire Done 16...

Page 17: ...gth of time they will filter They also have settings for when you are away so the spa will keep the water clean yet not stay hot How It Works Basically the board is a computer board and is commonly ca...

Page 18: ...es clean sanitized water is refreshed If you don t have a spa with a circulation pump the spa should periodically go into a filter cycle On standard models by default they filter twice a day for 2 hou...

Page 19: ...nnect wire by wire from old to new board d Unplug the transformer wire to the board e Unplug the pressure switch and both sensor wire connections to the board Disconnect topside plug from the side of...

Page 20: ...ther common method is installing a separate piping system with small nozzles along the bottom of the seating area and applying air into those nozzles Electronic spas typically have an automatic blowou...

Page 21: ...enough water is moving past the heater element If sufficient pressure closes the microswitch the board turns the heater on Otherwise it does not Due to the low pressure of circulation you should use...

Page 22: ...t REPLACEMENT On pressure switches they are not directional If the new switch did not come with pipe thread add either plumbers putty or Teflon tape on the threads to help seal the connection So simpl...

Page 23: ...ines spa temp Some spas have their temperature sensor inserted into the actual spa Others in a housing inserted into the spa The second sensor is the Overheat or high limit sensor If that sensor raise...

Page 24: ...c assembly housing attached to the spa shell The sensor inserts into this housing and the sensor bulb never touches water The less common type is the wet well sensor The tip of the sensor actually tou...

Page 25: ...and stick to the topside Overlays come in a variety of designs They can have the brand label such as GATSBY or IMPERIAL on the overlay They can have one or two jets labeled On a few there is a blower...

Page 26: ...nto the control box Although older spas require a hot wired method your spa s control system should have a socket designed for an ozonator to plug in Once the ozonator is plugged in depending on the c...

Page 27: ...have EITHER 115 or 230v ozonator You must check either the power to the ozone socket or the label on the old ozonator 27...

Page 28: ...u can purchase at your local automotive supplier Manufacturers have now added the ability to add color not by a lens but with assemblies that produce a variety of colors through red blue and green bul...

Page 29: ...d hose are glued at connections The key to gluing is care First you need clean both inside and outside of couplings and pipes that will come into contact Then prime Primer cleaner remove dirt and soft...

Page 30: ...nto smaller hoses and then to one or two jets b Pump Two One or two speed pump Water flows from filter and suction fitting through pump and into a manifold The manifold disburses the water through hos...

Page 31: ...seal the housing Gatsby used a large variety of jet designs almost at times changing as they went The following are the most common jets Euro Jet Swirl 2 Face 2 Long Euro Jet Directional 2 Face 2 Lon...

Page 32: ...Micro Jet II Swirl 3 Face 3 Length Micro Jet II Directional 3 Face 3 Length See these and more on our website www gatsbyspaparts com 32...

Page 33: ...all possibilities Just make it a routine to turn off main power when doing any service There are only a handful of times you might have to do tests that require power to be on Special care must be gi...

Page 34: ...TROUBLESHOOTING SECTIONS I Trips GFCI or GFI II Doesn t Heat III Motor hums IV Pump Leaks V Error Codes on the Topside 34...

Page 35: ...the board to the heater posts Turn ON power If the spa comes on and operates fine without tripping the gfci as it did previously you have identified the heater as the cause That is common because the...

Page 36: ...spa and incoming power service To check canister heater do this Turn off power and unplug heater cord Turn power on Set voltmeter to above 300vac When the heater light is ON careful place probes in he...

Page 37: ...o fail one of two ways They no longer pass current through the element and therefore no longer heat The most common cause of this failure is water quality Over time water quality can cause the element...

Page 38: ...e possibilities most techs will opt to replace the motor rather than having it rebuilt A major reason is economics both for the tech and the homeowner If the customer pays the cost of removing rebuild...

Page 39: ...ther If you have leak from there make sure the bolts or screws that hold the halves together are tight or not stripped The s of the pump must be tight together Rarely but possible are the o ring seals...

Page 40: ...ry well and wet well Dry well means the sensor inserts into a housing that goes through the spa s wall So the sensor is close to the spas water but not actually in the water Wet well sensors actual ha...

Page 41: ...likely the circulation pump or low speed pump has failed You confirm by checking the voltage to the pump If voltage is present and pump is not turning on replace pump If correct power is not present r...

Page 42: ...least 110 degrees and will shut all jets off If you have an air blower it will come on to try to cool the spa Once the spa cools the unit will come back on not uncommon in summer heat Oht Over Heat Er...

Page 43: ...ot closing when heat pump is on FIX First try removing the filters and power up If nothing do you SEE water moving If no likely the circulation or 1 pump You can confirm that proper current is being a...

Page 44: ...iled Watchdog mode FIX Water heated to 120 degrees or board has internal faults If the water DOES overheat see error code OH If the water doesn t heat but you got this error first turn off power for s...

Page 45: ...Copyrighted 2010 All Rights Reserved Any Reproduction Copying or Distributing of any part or pictures of this Manual without the written consent of B Bouman and Company LLC is prohibited by law 45...