Setting The Maximum Fuel Input For Heating System Operation - DeDietrich MCA Pro 45 Installation And Service Manual

5. Commissioning
5.7.4. Setting the maximum fuel input for
heating system operation
Note: These values for natural gas.
MCA Pro 35
M Maximum fuel input
F Factory setting
Q Fuel input MBH/kW
R Fan rotation speed (rpm)
MCA Pro 45
M Maximum fuel input
F Factory setting
Q Fuel input MBH/kW
R Fan rotation speed (rpm)
MCA Pro 65
M Maximum fuel input
F Factory setting
Q Fuel input MBH/kW
R Fan rotation speed (rpm)
MCA Pro 90
M Maximum fuel input
F Factory setting
Q Fuel input MBH/kW
R Fan rotation speed (rpm)
MCA Pro 115
M Maximum fuel input
F Factory setting
Q Fuel input MBH/kW
R Fan rotation speed (rpm)
See the graphs for the relationship between heat input
and speed for natural gas. The speed can be changed
using parameter p17. To do this, proceed as follows:
MCA-Pro ISM Rv.4.1 2/2017
MBH/kW
136.5 /40
114 /33.3
68.3 /20
Q
MBH/kW
204.8 /60
156 /45.7
Q
68.3 /20
MBH/kW
273 /80
235 /68.8
Q
136.5 /40
68.3 /20
MBH/kW
341.3 /100
326 /95.5
273 /80
204.8 /60
Q
136.5 /40
68.3 /20
MBH/kW
399 /117
341.3 /100
273 /80
Q
204.8 /60
136.5 /40
68.3 /20
MCA Pro 45/65/90/115
M
F
0
1500 2500 3500 4500
4100
R
0
1500 2500 3500 4500
R
0
1500 2500 3500 4500
R
0
1500 2500 3500 4500
R
0
1500 2500 3500 4500
R
5500 6500 7500
M
F
5500 6500 7500
5600
M
F
5500 6500 7500
5600
M
F
5500 6500 7500
6400
M M
F F
5500 6500 7500
6600
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