Brochure

19
6-170.9
Figure 19.1 -Model Number Designations
(Remove access cover to locate)
MBH Input
55 - 55,000 Btu/hr input
65 - 65,000 Btu/hr input
85 - 85,000 Btu/hr input
110 - 110,000 Btu/hr input
135 - 135,000 Btu/hr input
156 - 155,000 Btu/hr input
180 - 180,000 Btu/hr input
215 - 215,000 Btu/hr input
260 - 260,000 Btu/hr input
310 - 310,000 Btu/hr input
Heat Exchanger Type
A - Aluminized
S - Stainless Steel
Ignition Type
S - Direct Spark
Power Code
(refer to pages 5 & 7)
01 - 115V/60Hz/1ph
02 - 230V/60Hz/1ph
etc.
Fanguard Digit
N = None (All blower models)
S = Standard
F = Fingerproof
Dev Digit
Factory Installed
Option Digit
N = None
PTC 215 A S
Control Code Type
11 - Natural gas, single stage
21 - Propane, single stage
1101 S B A N
Separated Combustion
Unit Configuration
PTC - Propeller Unit, 55-310 MBH
BTC - Blower Unit, 215-310 MBH
MODEL NOMENCLATURE
Future
A = All