Ext 2677, Ext 3060, Modulex ext – AERCO Modulex EXT 1530 - 3060 User Manual
Page 65
MODULEX EXT
1530, 1912, 2295, 2677, 3060 BOILERS
Installation, Operation & Maintenance Manual
For high altitude installations, consult document number C302.6 (MLX EXT Alt Derate).
Table 3-6: Modulex EXT Pressure, CO
2
and O
2
Level Calibration Tables
EXT 2677
Gas
Type
Supply
Pressure
Wc (kPa)
CO
2
Level
O
2
Level
Fan Speed Ǿ Mixer
Injectors
Ǿ in.
(mm)
Min. Gas
Consumption
ft
3
/hr (m
3
/hr)
Max. Gas
Consumption
ft
3
/hr (m
3
/hr)
Start
Output
% IG
(%)
Min.
(%)
Max.
(%)
Min.
(%)
Max.
Min.
(FL)
Max.
(FH)
NOMINAL ALTITUDE
Natural
7 (1.74)
8.5
10
3.1
5.8 26
84
0.35 (9)
79.8 (2.26)
2565 (72.6)
50
Propane 11 (2.74)
10
11
1.3
3.1
26
82
0.35 (9)
32.4 (0.92)
1042 (29.5)
50
HIGH ALTITUDE
Natural
7 (1.74)
8.5
10
3.1
5.8 28
100 0.35 (9)
79.8 (2.26)
2565 (72.5)
50
Propane 11 (2.74) 10.2 10.6 1.3
3.1
26
76
0.35 (9)
32.4 (0.92)
938 (26.6)
50
EXT 3060
Gas
Type
Supply
Pressure
Wc (kPa)
CO
2
Level
O
2
Level
Fan Speed Ǿ Mixer
Injectors
Ǿ in.
(mm)
Min. Gas
Consumption
ft
3
/hr (m
3
/hr)
Max. Gas
Consumption
ft
3
/hr (m
3
/hr)
Start
Output
% IG
(%)
Min.
(%)
Max.
(%)
Min.
(%)
Max.
Min.
(FL)
Max.
(FH)
NOMINAL ALTITUDE
Natural
7 (1.74)
8.5
10
3.1
5.8 26
84
0.35 (9)
79.8 (2.26)
2932 (83.0)
50
Propane 11 (2.74)
10
11
1.3
3.1
26
82
0.35 (9)
32.4 (0.92)
1191 (33.7)
50
HIGH ALTITUDE
Natural
7 (1.74)
8.5
10
3.1
5.8 28
100 0.35 (9)
79.8 (2.26)
2639 (82.9)
50
Propane 11 (2.74) 10.2 10.6 1.3
3.1
26
76
0.35 (9)
32.4 (0.92)
1072 (30.3)
50
NOTE
Check the O
2
levels often, especially at low flow rates.
For high altitude installations, consult document number C302.6 (MLX EXT Alt Derate).
OMM-0095_0E
AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913
Page 65 of 138
GF-139
Phone: 800-526-0288
12/01/14