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Rinnai 12 

HOTFLO (HFE Series) Electric Storage Water Heater OIM

TABLE 2. RATINGS & OTHER SPECIFICATIONS

NOTE

A500kPaPLV(92501194)ISSUPPLIEDWITHHFE400S&HFE400T.ITISNOTSUPPLIEDWITH

OTHER MODELS.A PLV MUST BE FITTED IF THE MAINS PRESSURE EXCEEDS THE LIMITS

SHOWN.IFTHEMAINSPRESSUREISWITHINTHELIMITSSHOWNFITMENTOFTHEPLVIS

OPTIONAL,HOWEVER,ITISRECOMMENDEDTHATTHEPLVISFITTEDINALLINSTALLATIONS

ASITAIDSWATERANDENERGYCONSERVATION.

Fit Pressure 

Limiting Valve 

(PLV) if mains 

pressure

exceeds: (kPa)

Recommended

Pressure Limiting 

Valve (PLV) 

Pressure Rating 

(kPa)

Fit Pressure 

Limiting Valve 

(PLV) if mains 

pressure

exceeds: (kPa)

Recommended

Pressure

Limiting Valve 

(PLV) Pressure 

Rating (kPa)

HFE25S18P

HFE25S24P

HFE25S36

HFE25S48

25

-

1800

2400

3600

4800

HFE50S18P

HFE50S24P

HFE50S36

HFE50S48

50

-

1800

2400

3600

4800

HFE80S18

HFE80S24

HFE80S36

HFE80S48

80

-

1800

2400

3600

4800

HFE125S18

HFE125S24

HFE125S36

HFE125S48

125

-

1800

2400

3600

4800

HFE160S18

HFE160S24

HFE160S36

HFE160S48

160

-

1800

2400

3600

4800

HFE160T18

HFE160T24

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

HFE315SSL36

HFE315SSL48

315

-

3600

4800

HFE315T36

HFE315T48

315

3600

4800

3600

4800

HFE400SS36

HFE400SS48

400

-

3600

4800

HFE400T36

HFE400T48

400

3600

4800

3600

4800

Legend:

HF E 25 S 18P HF - Hotflo

E - Electric 

Cylinder

25 - Rated 

Capacity of 

cylinder

S - Single 

heating

element

18 - First 

two digits 

of heating 

element

rating eg: 

18 = 1800 

Watts

P - Plug and 

Cord

HF E 160 T 18

HF - Hotflo

E - Electric 

Cylinder

160 - 

Rated

Capacity of 

the

cylinder

T - Twin 

heating

element

ModelNo's.

Rated

Capacity/Hot

Water

Delivery (L)

1�5

1�5

Thermostat

setting

(Max)

Hot&Cold

Water

Connections

500

 (1)

500

 (1)

75°C

75°C

Ingress

Protection

Rating

(AS 1939)

Electrical

power

cord

length

(metres)

3/4"

(20 mm)

3/4"

(20 mm)

IPX4

IPX4

680

550

500

 (1)

500

 (1)

800

680

Example:

ECVFITTED

ECVNOTFITTED

Heating

Elements

Available

Watts (W)

- BOTTOM

Cylinder

Rated

Pressure

(kPa)

PTR Valve 

Pressure

Rating

(kPa)

Expansion

Control Vale 

(ECV)

Pressure

Rating (kPa)

1000

850

1000

850

850

700

Heating

Elements

Available

Watts (W)

- UPPER

18 - First two digits of 

heating element rating 

eg: 18 = 1800 Watts 

SPECIFICATIONS

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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