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3. Technical description
3.1 General description
The MCA Pro boilers are high-efficiency wall-hung
condensing gas-fired boilers
•
High efficiency heating.
•
Natural gas and propane gas-fired wall-mounted
condensing heating boiler.
•
Low emissions.
3.2 Main parts
3
4
5
6
7
8
9
10
MCA-Pro ISM Rv.4.1 2/2017
2
1
15
14
13
12
11
MCA Pro 45/65/90/115
•
Suitable for weather-responsive operation in closed
loop, forced circulation hot water heating systems.
Production of domestic hot water (DHW) can be
assured by a separate DHW tank.
•
Ideal for cascade systems. Consult factory.
•
The boiler is suitable to operate from sea level to
a maximum altitudes of 1370m/4550ft. (Above
700/2300ft. altitude, start and minimum fans speed
setting should be change
1
Flue gas exhaust
2
Combustion air
3
Boiler casing
4
Heat exchanger
5
Flue gas test port
6
Ignition/ionization electrode
7
Manifold pipe
8
Combined Venturi and gas valve unit
9
Air intake silencer
Control panel cabinet
10
Siphon
11
Auxilliary control cabinet
12
Flue gas temperature sensor
13
Fan
14
15
Internal heating supply pipe
15
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