Commercial Electric Storage Water Heater

Commercial Electric Storage Water Heater – view 1

Electric

Commercial Electric Storage Water Heater

A point-of-use commercial electric storage water heater with a BLUE-ARMOR enamel tank. Connect water and power and it is ready to supply hot water for hotels, restaurants, gyms, salons and villas.

6.4–90 kW
320–500 L
BLUE-ARMOR enamel tank
Pressure rating 1.1 MPa

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Key features

Safety

Thermostat, high-temperature limit and T&P valve. Pressure rating up to 1.1 MPa for stable performance when supply pressure fluctuates.

Durability

BLUE-ARMOR enamel inner tank for corrosion and scale resistance, with a full-length anode rod inserted from the top to extend service life.

Easy installation

Connect the water inlet, outlet and power supply to start supplying hot water.

Automatic operation

A high-sensitivity thermostat controls the unit automatically, with no on-site operator required.

Technical specifications

320 L and 500 L models

Model	OTME320-6	OTME320-15	OTME320-30	OTME500-12	OTME500-15	OTME500-24	OTME500-30
Storage capacity (L)	320	320	320	500	500	500	500
Rated power (kW)	6.4	15	30	12	15	24	30
Power supply	220V/50Hz	380V/50Hz	380V/50Hz	380V/50Hz	380V/50Hz	380V/50Hz	380V/50Hz
Rated working pressure (MPa)	1.1	1.1	1.1	1.1	1.1	1.1	1.1
Temperature setting range (°C)	30–65	30–80	30–80	30–80	30–80	30–80	30–80
Number of heating elements	2	1	2	1	1	2	2
Hot water output at Δt = 25 °C (L/h)	197	471	942	393	471	786	942
Hot water output at Δt = 35 °C (L/h)	141	337	674	281	337	562	674
Hot water output at Δt = 55 °C (L/h)	89	214	428	178	214	357	428
Inlet/outlet / safety valve / drain	DN25 / DN20 / DN25	DN25 / DN20 / DN25	DN25 / DN20 / DN25	DN25 / DN20 / DN25	DN25 / DN20 / DN25	DN25 / DN20 / DN25	DN25 / DN20 / DN25
Total height A (mm)	1800	1800	1800	1980	1980	1980	1980
Outlet height B / inlet height C (mm)	1570 / 180	1570 / 180	1570 / 180	1750 / 250	1750 / 250	1750 / 250	1750 / 250
Body diameter D / max. depth E (mm)	560 / 610	560 / 760	560 / 760	630 / 830	630 / 830	630 / 830	630 / 830
Net weight (kg)	121	130	136	175	172	183	178

495 L high-output models

Model	OTME495-36	OTME495-45	OTME495-54	OTME495-60	OTME495-75	OTME495-90
Storage capacity (L)	495	495	495	495	495	495
Rated power (kW)	36	45	54	60	75	90
Power supply	380V/50Hz	380V/50Hz	380V/50Hz	380V/50Hz	380V/50Hz	380V/50Hz
Rated working pressure (MPa)	1.1	1.1	1.1	1.1	1.1	1.1
Temperature setting range (°C)	30–75	30–75	30–75	30–75	30–75	30–75
Number of heating elements	2	3	3	4	5	5
Hot water output at Δt = 25 °C (L/h)	1,179	1,474	1,769	1,966	2,457	2,949
Hot water output at Δt = 35 °C (L/h)	842	1,053	1,264	1,404	1,755	2,106
Hot water output at Δt = 55 °C (L/h)	536	670	804	893	1,117	1,340
Inlet/outlet pipe diameter	DN25	DN50	DN50	DN50	DN50	DN50
Safety valve / drain valve	DN20 / DN25	DN25 / DN25	DN25 / DN25	DN25 / DN25	DN25 / DN25	DN25 / DN25
Total height / outlet height / inlet height (mm)	1980 / 1750 / 250	1980 / 1750 / 250	1980 / 1750 / 250	1980 / 1750 / 250	1980 / 1750 / 250	1980 / 1750 / 250
Body diameter / max. depth (mm)	630 / 830	630 / 830	630 / 830	630 / 830	630 / 830	630 / 830
Net weight (kg)	183	188	188	193	198	198

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Data as published by OTTMEL. Specifications may change; please confirm the current datasheet with our sales team before ordering. Gas type, voltage and other market-specific requirements should be confirmed for each project.

Typical applications

Hotels
Restaurants
Gyms
Beauty and hair salons
Villas

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