RVR Energy Technology MICROMAT EC 45, Instruction For Usage, Installation & Commissioning, Page: 21 / 56

21
15.0 ventilation requirements
single appliances
E n e r g y T e c h n o l o g y
Ltd.
Table 5 Compartment Installation – Non room sealed flue
Natural Ventilation from Adjacent room
Boiler Model Ventilation Openings Free Area cm
2
High Level Low Level
MICROMAT EC 45 454 908
With adjacent room ventilated at 196 cm
2
direct to outside air.
MICROMAT EC 62 & 76 Ventilation from adjacent room not permitted see table 4 for ventilation area
direct to outside air.
Table 6 Compartment Installation – Room sealed flue Natural Ventilation direct to outside air.
Boiler Model Ventilation Openings Free Area cm
2
High Level Low Level
MICROMAT EC 45 227 227
MICROMAT EC 62 285 285
MICROMAT EC 76 367 367
Table 7 Compartment Installation – Room Sealed Flue Natural Ventilation from Adjacent
Room.
Boiler Model Ventilation Openings Free Area cm
2
High Level Low Level
MICROMAT EC 45 454 454
MICROMAT 62 & 76 Ventilation from adjacent room not permitted see table 6 for ventilation area direct
to outside air.
Multiple Appliances Installed in the Same Room or Space.
Where multiple MICROMAT EC boilers are installed in the same room or space then The aggregate of the
appliance inputs must be taken to determine (from the following Data) the amount of ventilation required..
Appliance Gross Heat Inputs Should be taken as:-
MICROMAT EC 45 = 50.34kW
MICROMAT EC 62 = 60.20kW
MICROMAT EC 76 = 81.41kW
Table 8 Non Room Sealed Flue Installations
Natural Ventilation Direct to Outside Air.
Low Level (Inlet):
540 cm
2
plus 4.5 cm
2
per kW in excess of 60kW total rated input.
High Level (Outlet):
270 cm
2
plus 2.25 cm
2
per kW in excess of 60kW total rated input.
Table 9 Room Sealed Flue Installations
Natural Ventilation Direct to Outside Air (Ventilation recommended for cooling purposes)
Low Level (Inlet) 4.5 cm
2
per kW of total rated input.
High Level (Outlet) 4.5 cm
2
per kW of total rated input.