Steel Gas Boilers of the Premium Series 7,5kW - 60kW

In accordance with European standard EN 10130: 2006, the American standard ASTM A 1011 and Russian GOST 16523-97 and GOST 9045-93 we use stainless steel 2mm thick grade DC01in production of Lemax boilers series Premium. The heat exchanger has a cylindrical shape, which allows the boiler to work in closed systems with the operating pressure of 1 atm maximum (for Premium-7,5 - Premium-10) and of 3 atm maximum (for Premium-12,5 - Premium-60). Due anticorrosive coating enamel (exposure temperature 950 ° C) and treatment with inhibitory composition, the heat exchanger is protected from aggressive factors, solutions of salts and mineral oils.

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Description

Description

Extended power range from 7,5 to 60 kW.

Operating pressure: from 7,5 to 10 kW - up to 1 atm, from 12,5 to 60 kW - up to 3 atm.

Maximum efficiency due to an increase in the heat exchange area and the use of an innovative design of turbulators for maximum delay of exhaust gases.

Improved safety systems against overheating of the heat exchanger, interruption of traction, soot formation, boilerblowing.

Ease of maintenance of the boiler due to the use of an easily removable top panel.

Аdvantages with automatic 820 NOVA:

The temperature regulator is located on the front panel of the boiler.

Working in conjunction with the Lemax monitoring and control device for remote monitoring and control of the gas boiler and heating system indicators through a mobile application.

Possibility of connecting a room thermostat to regulate the indoor temperature with high precision.

Work in conjunction with the Lemax Extarnal Fan of the Comfort SE series models XL, XXL for forced exhaust gas removal in the absence of a stationary chimney.

A soft start system that provides acoustic comfort at the time of boiler start-up.

Parameter	Premium-7,5	Premium-10	Premium-12,5/ Premium-12,5(W)	Premium-16/ Premium-16(W)	Premium-20/ Premium-20(W)	Premium-25/ Premium-25(W)	Premium-30/ Premium-30(W)	Premium-35/ Premium-35(W)	Premium-40/ Premium-40(W)	Premium-50	Premium-60
Type of gas burner unit	GGU 9	GGU 12	GGU 15	GGU 19	GGU 24	GGU 30	GGU 35	GGU 40	GGU 45	GGU 55	GGU 65
Nominal heat power, kW	7,5	10	12,5	16	20	25	30	35	40	50	60
Energy conversion efficiency, % not less than	90	90	90	90	90	90	90	90	90	90	90
Heat exchanger volume, L	16,5	16,5	24,3	24,3	42,8	40,3	40,3	62,4	62,4	66	66
Heat takeoff area, m2	0,6	0,6	1	1	1,6	1,7	1,7	1,9	1,9	2	2
Exit gases temperature °С, not less than	110	110	110	110	110	110	110	110	110	110	110
The range of discharge which ensures stable operation of the boiler, Pa	4-25	4-25	4-25	4-25	4-25	4-40	4-40	4-40	4-40	4-40	4-40
Gas nominal pressure, Pa	1300	1300	1300	1300	1300	1300	1300	1300	1300	1300	1300
Hot water supply loop output over 30 °С delta, Lpmin. (at exit temperature ≥ 15 °С)	-	-	4	5	6	7	8	9	10	-	-
Average gas flow, m3/hr	0,45	0,6	0,75	0,95	1,2	1,5	1,75	2	2,25	2,75	3,25
Maximum water temperature at boiler exit , °С	90	90	90	90	90	90	90	90	90	90	90
Flue diameter, mm	100	100	130	130	130	130	130	140	140	200	200
Gas pipe diameter, inch	1/2’’	1/2’’	1/2’’	1/2’’	1/2’’	1/2’’	3/4’’	3/4’’	3/4’’	3/4’’	3/4’’
Connecting pipes diameter, inch	1 1/2’’	1 1/2’’	2’’	2’’	2’’	2’’	2’’	2’’	2’’	2’’	2’’
Dimensions, mm:
Height	747,5	747,5	744	744	961	961	961	1016	1016	1105	1105
Width	330	330	416	416	470	470	470	532	532	585	585
Depth	499	499	491	491	556	556	556	608	608	660	660
Mass not more than, kg	39	39	53/58	53/58	75/80	80/85	80/85	92/98	92/98	125	125

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