MC2: 10/03/12 Page 24 of 90
AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 • Ph: 800-526-0288
Modulex MLX Series Gas Fired Boiler System
Operation and Maintenance Manual
Table 3-1: Modulex Data Plate Entries
REVISION
A A A A A A
TYPE OF GAS
NATURAL GAS
(MLX-303H)
OR PROPANE
(MLX-303HP)
NATURAL GAS
(MLX-454H)
OR PROPANE
(MLX-454HP)
NATURAL GAS
(MLX-606H)
OR PROPANE
(MLX-606HP)
NATURAL GAS
(MLX-757H)
OR PROPANE
(MLX-757HP)
NATURAL GAS
(MLX-909H)
OR PROPANE
(MLX-909HP)
NATURAL GAS
(MLX-1060H
OR PROPANE
(MLX-1060HP)
*SERIAL NO.
303-XX-XXXX 454-XX-XXX 606-XX-XXXX 757-XX-XXXX 909-XX-XXXX
1060-XX-
XXXX
MAX INPUT
303,000 454,000 606,000 757,000 909,000 1,060,000
MIN INPUT
45,000 45,000 45,000 45,000 45,000 45,000
OUTPUT
279,000 418,000 558,000 696,000 835,000 975,000
NET IBR RATING
237,000 355,000 474,000 592,000 710,000 829,000
BOILER CATEGORY
IV IV IV IV IV IV
MAX INLET (SUPPLY)
GAS PRESSURE
14” W.C
(34.8 mbar).
14” W.C
(34.8 mbar).
14” W.C
(34.8 mbar).
14” W.C
(34.8 mbar).
14” W.C
(34.8 mbar).
14” W.C
(34.8 mbar).
MIN INLET (SUPPLY)
GAS PRESSURE
4”
(10 mbar)
4”
(10 mbar)
4”
(10 mbar)
4”
(10 mbar)
4”
(10 mbar)
4”
(10 mbar)
*NORMAL MANIFOLD
GAS PRESSURE
3.2” Nat. Gas
(MLX-303H)
2.5” Propane
(MLX-303HP)
3.2” Nat. Gas
(MLX-454H)
2.5” Propane
(MLX-454HP)
3.2” Nat. Gas
(MLX-606H)
2.5” Propane
(MLX-606HP)
3.2” Nat. Gas
(MLX-757H)
2.5” Propane
(MLX-757HP)
3.2” Nat. Gas
(MLX-909H)
2.5” Propane
(MLX-909HP)
3.2” Nat. Gas
(MLX-1060H)
2.5” Propane
(MLX-1060HP)
OPTIMAL INLET
(SUPPLY) GAS
PRESSURE
7.0”
(17.4 mbar)
7.0”
(17.4 mbar)
7.0”
(17.4 mbar)
7.0”
(17.4 mbar)
7.0”
(17.4 mbar)
7.0”
(17.4 mbar)
* NOTE: Normal manifold gas pressure measured at downstream port of gas valve.