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EDITION 3.0

automaticheating.com.au

Thermex Stainless Steel

Hot Water Tanks


Thermex - Stainless Steel Hot Water Tanks

2

Automatic Heating


Thermex - Stainless Steel Hot Water Tanks

Duplex 2205 Stainless Steel

Hot Water Tanks

170L - 5000L

Certificate 23261

If you are installing Thermex, you can be confident you are installing quality.

Manufactured from high specification Duplex 2205

Stainless Steel, our Thermex range is designed

to resist all forms of corrosion, including crevice

and stress corrosion. Its high mechanical strength

promises durability, while automated welding

procedures, post weld pickling and passivating

treatment guarantee each individual weld is as strong

as its parent metal. Our Thermex Stainless Steel Hot

Water Tanks are pressure tested to a full 12 bar - four

times their normal working pressure - and injected

with 50mm of our HCFC free Polyurethane insulation

to achieve astonishingly low levels of heat loss, which

maximises energy efficiency for your customers.

Thermex Stainless Steel Hot Water Tanks provide a

reliable and cost-effective solution to the domestic

hot water heating and storage requirements of

commercial & domestic premises, particularly hotels

and apartments. These tanks are high quality, long

service life stainless steel vessels for projects that

have large volume heating/domestic hot water/solar

HVAC water systems.

Available with twin coils, fully insulated and

Watermark approved, Thermex Stainless Steel Hot

Water Tanks provide quick recovery and are suited to

high demand usage. Key supply advantages include

large stock holdings in a range of sizes, including

compact units designed to fit through standard

doorways.

Thermex range of tanks use high recovery smooth

tube coils for optimal performance. No other coil

type on the market today offers the same transfer

rate as smooth stainless tube.

Product Quick Check

Type

Material

Range

Stainless Steel Hot Water Tanks

Duplex 2205 Stainless Steel

170 - 5000L

Suitable Heat Sources Gas, Oil, Wood, Pellet Boiler,

Solar, Electric, Photovoltaic

Available with Coils

Yes

Outdoor Suitable Yes (up to 1000L)

Max Pressure

Low Nox

Building J Code

2019 compliant

700kPa

Yes

Yes

Automatic Heating 3


Thermex - Stainless Steel Hot Water Tanks

Features

• Superior Quality Duplex 2205 Stainless Steel

• Smooth tube coil construction for durability and

performance

• Butt Welded process used on all joins

• Large coil surface areas

• No sacrificial anodes required

• 100% pickled and passivated

• Thick insulation polyurethane foam layer

λ = 0,022 W/mK

• Optional backup electric heating element

Hot water outlet

Metal outer casing

T & P Valve

Thermometer

Top Heat Exchanger Coil

Temperature Sensor

Top Heat Exchanger Coil

Bottom Heat Exchanger Coil

Duplex Stainless

Steel 316L Heat

Exchanger Coil

Secondary Return

Heating Element Connection

/ Inspection Port

Temperature Sensor

Cold water inlet

Pickled and

passivated

Bottom Heat Exchanger Coil

High Density rigid polyurethane

foam, 50mm thick

4

Automatic Heating


Thermex - Stainless Steel Hot Water Tanks

Direct

• Material - Stainless Steel 2205

• Insulation: 170-1000L

- 50mm Rigid Polyurethane

- 1500-5000L Expanded Foam Jacket

• Outer Casing - Painted Galvanised Carbon Steel*

• Tank working Pressure - 700kPa

• Temperature & Pressure Relief Valve

rated 99°C / 700kPa

Specifications

170 - 1000L

Model No. Capacity (litres) External Dia. (Ø) mm Total Height (H) mm Weight (Empty) kg

TSSI170 170 550 1230 60

TSSI200 200 550 1410 60

TSSI300 300 620 1600 90

TSSI400 400 710 1550 100

TSSI500 500 710 1900 120

TSSI750 750 920 1800 160

TSSI1000 1000 920 2200 240

170L - 1000L

1500 - 5000L

TSSI1500 1500 1150 2400 270

TSSI2000 2000 1300 2400 340

TSSI2500 2500 1400 2800 420

TSSU3500 3500 1470 3300 655

TSSU4000 4000 1470 3800 850

TSSU4500 4500 1590 3300 885

TSSU5000 5000 1590 3800 1140

1500L - 5000L

HOT OUTLET

ISOLATOR

SWITCH

OFF-PEAK

CONTROLLER

COLD INLET

Automatic Heating 5


Thermex - Stainless Steel Hot Water Tanks

Indirect 2 Coils

• Material - Stainless Steel 2205

• Coil Material - AISI 316L

• Insulation: 170-1000L

- 50mm Rigid Polyurethane

- 1500-5000L Expanded Foam Jacket

• Outer Casing - Painted Galvanised Carbon Steel*

• Coil Working Pressure - 600kPa

• Tank working Pressure - 700kPa

• Temperature & Pressure Relief Valve

rated 99°C / 700kPa

Specification

170 - 1000L

Model No.

Capacity

(Litres)

Coil kW

Top/

Bottom

Coil Flow

Rate L/s

Top/Bottom

Coil Pressure

Drop (kPa)

Top/Bottom

First hour delivery

Capacity (L)

(2 coils in parallel)

External Dia.

(Ø) mm

Total

Height

(H) mm

TSSI2C170 170 20 / 22 0.24 / 0.26 2.98 / 3.33 1959 550 1230 60

TSSI2C200 200 22 / 32 0.26 / 0.38 2.98 / 15.71 2502 550 1410 60

TSSI2C300 300 24 / 36 0.29 / 0.43 9.6 / 19.5 2850 620 1600 90

TSSI2C400 400 24 / 48 0.29 / 0.57 1.59 / 10.53 3456 710 1550 100

TSSI2C500 500 36 / 60 0.43 / 0.72 4.5 / 19.13 4578 710 1900 120

TSSI2C750 750 87 / 120 1.04 / 1.43 28.95 / 47.7 9576 920 1800 160

Weight

(Empty)

kg

TSSI2C1000 1000 87 / 160 1.04 / 1.91 9.23 / 55.67 11521 920 2200 240

170L - 1000L

1500 - 5000L

TSSU2C1500 1500 120 / 180 1.43 / 2.15 27.03 / 50.9 14250 1150 2400 270

TSSU2C2000 2000 160 / 200 1.91 / 2.39 18.46 / 35.18 17280 1300 2400 340

TSSU2C2500 2500 180 / 240 2.15 / 2.87 30.16 / 78.54 20310 1400 2800 420

TSSU2C3500 3500 185 / 250 2.21 / 2.99 14 / 29.5 10632 1470 3300 655

TSSU2C4000 4000 220 / 285 2.63 / 3.4 22.5 / 36 12286 1470 3800 850

TSSU2C4500 4500 220 / 320 2.63 / 3.82 22.5 / 43 13338 1590 3300 885

TSSU2C5000 5000 220 / 355 2.63 / 4.24 22.5 / 52 14390 1590 3800 1140

Note: Flow rates in the coil are based on 20° ΔT (Inlet/Outlet Temperature = 80/60°C)

1500L - 5000L

SENSOR CIRCUIT

HOT OUTLET

SOLAR

CONTROLLER

SOLAR

PUMPING

STATION

EXPANSION

VESSEL

PRESSURE

RELIEF

SEALED SYSTEM

BOILER

CENTRAL HEATING SUPPLIED BY BOILER

COLD INLET

6

Automatic Heating


Thermex - Stainless Steel Hot Water Tanks

Dimensional Data

Ø

HOT WATER OUTLET

Ø

T&P RELIEF

VALVE

HOT WATER OUTLET

THERMOMETER

BOILER

FLOW

MANOMETER

T&P RELIEF

VALVE

THERMOMETER

IMMERSION

HEATER

SECONDARY

RETURN

Ø

HOT WATER OUTLET

BOILER

FLOW

SENSOR

BOILER

RETURN

SOLAR

FLOW

SENSOR

H

T&P RELIEF

VALVE

IMMERSION

HEATER

SECONDARY

RETURN

COLD WATER

INLET

BOILER FLOW

THEROMETER

SENSOR

BOILER

RETURN

SOLAR

FLOW

SENSOR

SOLAR

RETURN

H

SENSOR

BOILER

RETURN

SOLAR

FLOW

SENSOR

SOLAR

RETURN

IMMERSION HEATER

INSPECTION

SECONDARY

RETURN

COLD WATER

INLET

H

COLD WATER

INLET

SOLAR

RETURN

DRAIN

DRAIN

170L - 500L 750L - 1000L 1500L - 5000L

Drawing represented without thermal insulation

Note: Immersion socket allows for installation of electric element

(allow for 100mm insulation)

Connections Note: All connections are female

Model

Cold

Water

Inlet

Hot

Water

Outlet

Secondary

Return

Primary

Flow

Top Coil

Primary

Return

Bottom Coil

Primary

Flow

Primary

Return

Sensor Immersion T&P Valve Drain

170 - 300L 20NB 20NB 20NB 20NB 20NB 20NB 20NB 15NB 20NB 20NB -

400 - 500L 25NB 25NB 20NB 25NB 25NB 25NB 25NB 15NB 25NB 20NB -

750L 32NB 32NB 25NB 25NB 25NB 25NB 25NB 15NB 25NB 2 x 20NB 25NB

1000 - 1500L 40NB 40NB 25NB 32NB 32NB 32NB 32NB 15NB 32NB 2 x 20NB 25NB

2000 - 2500L 50NB 50NB 25NB 40NB 40NB 40NB 40NB 15NB 40NB 3 x 20NB 25NB

3500L 50NB 50NB 25NB 40NB 40NB 40NB 40NB 15NB 40NB 3 x 20NB 25NB

4000 - 5000L 80NB 80NB 25NB 40NB 40NB 40NB 40NB 15NB 40NB 4 x 20NB 25NB

Automatic Heating 7


Thermex - Stainless Steel Hot Water Tanks

Immersion Elements

• As supplementary heating device

• Connection 1 ½”

• Inbuilt thermostat

Single Phase

Part No. Output kW Voltage V Max temp ºC Tank Size

TIHE2KW 2 240/1 PH 70 170L-500L

TIHE3KW 3 240/1 PH 70 170L-500L

3 Phase

Part No. Output kW Voltage V Max temp ºC Tank Size

TIHE6KW 6 400/3 PH 85 750L-1000L

TIHE10KW 10 400/3 PH 85 750L-1000L

8

Automatic Heating


Thermex - Stainless Steel Hot Water Tanks

Installation Examples

P & I Diagram - Meridian 2 x 120kW Condensing Water Heaters C/W 1000L Thermex SS Tanks

1000L Thermex

S. S. Tank

Meridian 120

Heater No. 1

Meridian 120

Heater No. 2

Supply

Cold

Water

Fill

Flange Connection

C/W Spacer Piece

Cold Water Supply

Expansion

Tank 35L

P & I Diagram

Meridian 100kW Condensing Water Heater C/W 2 x 500L Thermex SS Tanks

DHW Supply

DHW Supply

Meridian 100

500L

Thermex S.S. Tank

Secondary Return

Secondary

Return

Cold

Water Fill

240V 10A

GPO

Scorpion SPA32/80

Gas

DHW Supply

500L

Thermex S.S. Tank

Cold Fill

FWMA015

Expansion

Tank 35 L

Secondary Return

Automatic Heating 9


Thermex - Stainless Steel Hot Water Tanks

Case Studies

10

Automatic Heating


Thermex - Stainless Steel Hot Water Tanks

Prefab Packages for Fast Installation or Rental

Custom hot water heating system packages are available mounted on prefabricated skid

frames for fast installation or for rental where a temporary system is required.

Automatic Heating 11


Automatic Heating Global Pty Ltd

T. +613 8352 7000

E. sales@automaticheating.com.au

67 Gateway Boulevard, Epping VIC 3076

P.O. Box 35a Epping VIC 3076 Australia

W. automaticheating.com.au 18769 210525

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