Enviromax System- Technical Information

 

Enviromax System - Technical Information

Heat Output kW

12-20+20-26

26-35

35-44

CONNECTIONS

     

Heating Flow

22 mm dia.

28 mm dia.

1 1/2" BSP

Heating Return

1" BSP

1" BSP

1 1/2" BSP

Mains Cold Feed (Copper)

15 mm dia.

15 mm dia.

15 mm dia.

Drain Off Valve

½" BSP

½" BSP

½" BSP

Safety Pressure Valve Outlet (Copper)

15 mm dia.

15 mm dia.

15 mm dia.

Condensate Trap

22 mm dia. plastic

CIRCULATING PUMP

25/60

25/60

25/80

Integral Expansion Vessel Normal Capacity

12 litres

12 litres

18 litres

Expansion Vessel Pre-charge pressure

1 bar

1 bar

1 bar

Low Pressure Water Switch?

Yes

Yes

Yes

Filling Loop Included?

Yes

Yes

Yes

WATER CONTENT

     

Water Content Boiler

24 litres

24 litres

45 litres

FLUE

     

Balanced Flue Assembly

125 (5") mm dia.

125 (5") mm dia.

150 (6") mm. dia.

Max. Low Level Flue Length

1.5 m

1.5 m

1.5 m

Max. High Level Flue Length

6 m

6 m

6 m

HEATING SYSTEM (SEALED)

Fit in accordance with BS 7074 Part 1, BS 5449, OFTEC Standards and all other relevant legislation.

Max. Operating Pressure

2 bar

Max. System Pressure Cold

1.5 bar

Min. System Pressure Cold

0.5 bar

Preset Pressure Relief Valve

3 bar

WATER SIDE RESISTANCE

Flow rate to give a nominal output at 10K differential

Flow Rate Measured (kg/h) 

1642 kg/h (20kW), 2135 kg/h (26kW), 2874 kg/h (35kW), 3613 kg/h (44kW)

Waterside Resistance (mbar) 0.18, 0.18, 0.18, 0.22 

Flow rate to give a nominal output at 20K differential

Flow Rate Measured (kg/h) 

870 kg/h (20kW), 1131 kg/h (26kW),   1523 kg/h  (35kW), 2915 kg/h (44kW)
Waterside Resistance (mbar) 0.19, 0.19, 0.19, 0.24

PRESSURE JET OIL BURNERS

RIELLO RDB 2.2

FUEL

Kerosene 28 Second Class C

ELECTRICAL SUPPLY

230V AC 50Hz 5A

THERMOSTATS

 

Boiler Central Heating Control

60°C - 80°C

Boiler Safety Limit

110°C

 

Tank (DHW) - Fixed 78˚C

 

Early Alert - Fixed93˚C

Over-run - Fixed

87°C

 

 

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