JacuzziSignatureWaterHeatersJ‐S180/J‐S199 39
Ifthewaterheaterisnotgoingtobeusedduringaperiodofpossiblefreezingweather,itisrecommendedthat
thewaterinsidethewaterheaterbedrained.
Tomanuallydrainthewater:
1. Shutoffcoldwatersupplyandgassupply.
2. Turnoffthetemperaturecontroller.
3. Disconnectthepowertothewaterheater.
4. Removethedraincapsonbothisolaonvalvesandopenboth
valvesabovethecaps(blueandredvalvehandles).‐OR‐Openthe
pressurereliefvalve.
5. Removewaterfiltertodrainthecoldwater.
ManualDrainingoftheWaterHeater
Toresumenormaloperaon:
1. Confirmthatallwaterdrainplugsareremoved,thatthegassupply
isturnedoff,andthatalltapsareclosed.
2. Screwinthewaterfilterinthecoldwaterinlet.
3. Replacethedraincapsandclosebothisolaonvalves.‐OR‐Close
thepressure
reliefvalve.
4. Openthecoldwatersupply.
5. Openatapandconfirmthatwaterflows,andthenclose.
6. Turnonthepower.
7. Aerconfirmingthatthetemperaturecontrollerisoff,turnonthe
gassupply.
8. Turnonthetemperaturecontroller.
Runningalowvolumeofwaterthroughthewaterheatertopreventfreezing
Ifthetemperatureexceedstheabilityofthewaterheatertofreeze
protectitself,orifpowerislost,thefollowingsteps maypreventthe
waterheaterandexternalpipingfromfreezing.(Unitsconnectedwith
J‐LINK(2unitlink)shouldbedrainedtopreventfreezingifnotinuse.)
1.
Turnthewaterheateroff.
2. Closethegassupplyvalve.
3. Turnonahotwatertaptoflowwaterabout0.1gal/minorwhere
thestreamisabout0.2inchesthick.
Whenthewaterheaterorexternalpipinghasfrozen
1. Donotoperatethewaterheaterifitortheexternalpipingisfrozen.
2. Closethegasandwatervalvesandturnoffthepower.
3. Waitunlthewaterthaws.Checkbyopeningthewatersupplyvalve.
4. Checkthewaterheaterandthepipingforleaks.
HOT
COLD
ON!
0.1gal/minor
about0.2inch
thick
Toavoidburns,waitunltheequipmentcoolsdownbeforedrainingthewater.The
waterintheappliancewill remainhotaeritisturnedoff.
WARNING
Water
filter
Hotwater
outlet
Coldwater
inlet