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Rinnai 

HOTFLO (HFE Series) Electric Storage Water Heater OIM

SAFETY

WARNING

Thisapplianceis

NOT

intendedforusebypersons(includingchildren)withreducedphysical,

sensoryormentalcapabilities,orlackofexperienceandknowledgeunlesstheyhavebeengiven

supervision or instruction concerning use of the appliance by a person responsible for their

safety.

ChildrenshouldbesupervisedtoensurethattheyDONOT

 play with the appliance.

Hydrogen Gas

If the hot water heater is not used for two weeks or more, a quantity of hydrogen gas, which is highly flammable, 

may accumulate in the water heater� To dissipate this safety, it is recommended that a non electrically operated 

hot tap be turned on for several minutes at a sink, or bath, but not a dishwasher or other appliance� During this 

procedure there must be no smoking, open flame or any electrical appliance operating nearby. If hydrogen gas is 

discharged through the tap, it will probably make a sound like air escaping�

Water Temperature

To meet regulatory requirements the temperature of stored water 

MUST NOT 

be less than 60°C� The thermostat 

on your water heater is factory pre-set to 65°C� The thermostat setting can be adjusted between 60°C and 75°C 

by an electrician or other suitably qualified trades person.

WARNING

ThethermostatsettingmustonlybeadjustedbyanElectricianorothersuitablyqualifiedtrades

person. 

TheaccesscovertotheelementandthermostatmustonlyberemovedbyanElectricianorother

suitablyqualifiedtradesperson.

SCALD HAZARDS

Hot Water can cause scalds.
Children, disabled, and the elderly are at the highest risk of 

being scalded.
Feel water temperature before bathing or showering.
Scalds from hot water taps can result in severe injuries to 

young children.
Scalds can occur when children are exposed directly to hot 

water when they are placed into a bath which is too hot.

Always......

Testthetemperatureofthewaterwithyourelbowbeforeplacingyourchildinthebath,alsocarefullyfeel

waterbeforebathingorshoweringyourself.
Supervisechildrenwhenevertheyareinthebathroom.

Make sure that the hot water tap is turned off tightly.

Consider.....

Installingchildprooftapcoversorchildresistanttaps(bothapproacheswillpreventasmallhandbeing

abletoturnonthetap).

Installing tempering valves or thermostatic mixing valves which reduce the hot water temperature delivered 

tothetaps.Yourlocalplumbingauthoritymayalreadyrequirethatthesebefitted.Contactyourinstaller

orlocalplumbingauthorityifindoubt.

Never….

Leave a toddler in the care of another child. They may not understand the need to have the water

temperature set at a safe level.

DANGER BEWARE OF

SCALDING HAZARDS

WARNINGS & SAFETY

Summary of Contents for HOTFLO HFE125S18

Page 1: ...egulation All local regulatory requirements including all local OH S requirements This appliance must be installed maintained and removed by a Qualified Person For continued safety of this appliance i...

Page 2: ...Rinnai 2 HOTFLO HFE Series Electric Storage Water Heater OIM This page is intentionally blank...

Page 3: ...ns 12 Installation Methods 13 Hot Water Plumbing System Example No Temperature Limiting Device 13 Hot Water Plumbing System Example With Temperature Limiting Device 13 Hot water plumbing system Exampl...

Page 4: ...Rinnai 4 HOTFLO HFE Series Electric Storage Water Heater OIM This page is intentionally blank...

Page 5: ...rules and regulations For continued safety of this appliance it must be installed operated and maintained in accordance with the manufacturer s instructions This appliance is heavy use 2 people or mec...

Page 6: ...trades person WARNING The thermostat setting must only be adjusted by an Electrician or other suitably qualified trades person The access cover to the element and thermostat must only be removed by an...

Page 7: ...by a qualified person It is normal for the PTR valve to release a small quantity of water through the drain pipe during heating If the valve dribbles or leaks continuously try easing the valve gear fo...

Page 8: ...eated during the set period and stored The Off Peak supply is usually cheaper Electricity supply types and tariffs vary according to the local electricity authority Twin Element Model A vitreous ename...

Page 9: ...may need to be increased Contact your installer or Rinnai to discuss adjusting the thermostat No water from the hot tap Restriction in the hot tap or failure of the cold water supply to the heater Che...

Page 10: ...D WARNING LABELS LEFT COLD WATER INLET Connection RP 3 4 20mm LEFT HOT WATER OUTLET Connection RP 3 4 20mm use a union connection and Insulate Hot water pipe PTR VALVE DRAIN PIPE Supplied by Installer...

Page 11: ...y F Electrical Entry Upper Element G HFE25S 452 490 415 297 153 80 HFE50S 694 490 415 524 158 80 HFE80S 900 590 515 683 225 155 HFE125S 1245 590 515 1020 225 155 HFE160S 1530 590 515 1310 225 155 HFE2...

Page 12: ...4 HFE160T36 HFE160T48 160 1800 2400 3600 4800 1800 2400 3600 4800 HFE200S24 HFE200S36 HFE200S48 200 2400 3600 4800 HFE250SSL36 HFE250SSL48 250 3600 4800 HFE250T36 HFE250T48 250 3600 4800 3600 4800 HFE...

Page 13: ...E LIMITING DEVICE KITCHEN LAUNDRY ENSUITE BATHROOM TEMPERED Supply NON TEMPERED SUPPLY NON RETURN VALVE TEMPERATURE LIMITING DEVICE TLD NON RETURN VALVE NON RETURN VALVE PLV 500 kPa Not Supplied with...

Page 14: ...t Supplied with all models ECV Not Supplied 700 kPa or 850 kPa ISOLATING VALVE PTR VALVE Supplied 850 kPa or 1000 kPa WATER HEATER COLD Supply ISOLATING VALVE NON RETURN VALVE FLOW RETURN PUMP ISOLATI...

Page 15: ...0 kPa WATER HEATER COLD Supply NON RETURN VALVE FLOW RETURN PUMP ISOLATING VALVE UNTEMPERED SUPPLY TLD CAUTION Valves with pressure ratings other than specified are unsuitable and MUST NOT be used For...

Page 16: ...n occur as a result of water leakage the water heater MUST BE installed with a safe tray overflow tray and drain Construction installation and draining of the safe tray MUST comply with local regulato...

Page 17: ...s under Installation Methods WARNING Valves with pressure ratings other than specified MUST NOT be used An isolation valve and non return valve MUST BE fitted in the cold water supply to the water hea...

Page 18: ...BE fitted to the valve outlet in accordance with the section Relief Valve Drain Lines on the bottom of page 18 The valve body MUST BE insulated in accordance with local regulatory requirements and AS...

Page 19: ...g element Check the available tariffs with the local electricity supplier The Off Peak overnight is usually the most economical for the customer Electrical Connections WARNING The water heater MUST BE...

Page 20: ...fore removing the access cover to the element and thermostat The access cover to the element and thermostat MUST ONLY BE removed by an Electrician or other suitably qualified trades person The thermos...

Page 21: ...Air will now be forced out of the taps 3 Close each tap when water runs freely without air bubbles 4 Check all plumbing connections and pipe work for water leaks 5 Connect the water heater to the ele...

Page 22: ...ce please call our National Help Line Rinnai recommends that this appliance be serviced every year Head Office 100 Atlantic Drive Keysborough VIC 3173 P O Box 460 Braeside Victoria 3195 Product Sales...

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