Sterling TC - Manual (Page 35)

35
TUBULAR BLOWER
UNIT NUMBER DESCRIPTION
Digit #1, 2 - Unit Type [UT]
TC - Tubular Blower
Digit #3, 4, 5 - Capacity [CA]
100 - 100,000 BTU/HR
125 - 125,000 BTU/HR
150 - 150,000 BTU/HR
175 - 175,000 BTU/HR
200 - 200,000 BTU/HR
250 - 250,000 BTU/HR
300 - 300,000 BTU/HR
350 - 350,000 BTU/HR
400 - 400,000 BTU/HR
Digit #6 - Furnace Type [FT]
A - Right Side Access
Digit #7 - Heat Exchanger Construction Material [FM]
1 - Standard (Aluminized) Steel
2 - 409 Stainless Steel
Digit #8 - Gas Type [GT]
N - Natural Gas
P - Propane Gas (LP)
Digit #9 - Ignition Control [IC]
S - 0-4,999 ft.
T - 5,000-11,999 ft.
Note: Installations over 2,000 ft. require gas input deration in the fi eld.
Refer to unit installation instructions.
Digit #10 - Direct Spark Gas Control [GC]
1 - Single Stage
2 - Two Stage
3 - Electronic Modulation w/Room Sensing
4 - Electronic Modulation w/Duct Sensing
5 - Electronic Modulation w/Duct Sensing & Room Ovrd. Stat
6 - Electronic Modulation w/External 4-20 mA Input
7 - Electronic Modulation w/External 0-10 VDC Input
Digit #11 - Supply Voltage [SV]
1 - 115/1/60 5 - 230/3/60
2 - 208/1/60 6 - 460/3/60
3 - 230/1/60 7 - 575/3/60
4 - 208/3/60 Z - Special
Note: Supply Voltages [SV] 2-7 include factory mounted step down transformer.
Digit #12 - Motor Type [MT]
1 - Open Drip Proof (Standard)
2 - Totally Enclosed
3 - Premium Effi ciency, Open Drip Proof
4 - Premium Effi ciency, Totally Enclosed
Digit #13 - Blower Motor Sizes [MS]**
A - 1/4 HP w/Contactor P - 1/2 HP w/Magnetic Starter
C - 1/2 HP w/Contactor R - 3/4 HP w/Magnetic Starter
D - 3/4 HP w/Contactor S - 1 HP w/Magnetic Starter
F - 1 HP w/Contactor T - 1-1/2 HP w/Magnetic Starter
G - 1-1/2 HP w/Contactor U - 2 HP w/Magnetic Starter
H - 2 HP w/Contactor W - 1/4 HP w/Magnetic Starter
J - 1/4 HP 0 - None/Not Applicable
L - 1/2 HP
**Notes: 1. All 3-phase units [SV = 4, 5, 6, 7] include a contactor as standard.
2. All single phase units [SV = 1, 2, 3] include a contactor for units equipped with
3/4 HP. motor or higher [MS = D, F, G, H]
3. [MS] options J, L only available with [SV] option 1 (115/1/60).
Digit #14 - Accessories [AS]
FACTORY INSTALLED
M8 - Discharge Duct Flange S3 - 409 Stainless Steel Flue Collector
S5 - 304L Stainless Steel Burners
P4 - Terminal Block Wiring
P6 - Summer/Winter Switch
† FIELD INSTALLED (AS-____ )
† Field Installed Accessories are not included in the Unit Number. All Field Installed
Accessories are entered as a separate line item using the catalog number which utilizes
“AS” as a prefi x. i.e: A7 becomes AS-A7.
A7 - Pressure Regulator 1/2-2 psi M2-2 - Vent Caps (5 inch) (Unit Capacity 100-250)
M2-3 - Vent Caps (6 inch) (Unit Capacity 300-400)
F1 - 1-Stage T675A Ductstat
F2 - 2-Stage T678A Ductstat
P5 - 24V SPST Relay-Specify Purpose
G1 - 1-Stage T87K Mercury Free Thermostat
X2 - 30 Degree Downturn Nozzle
w/Subbase Kit X3 - 60 Degree Downturn Nozzle
G2 - 1-Stage T87K Mercury Free Thermostat X4 - 90 Degree Downturn Nozzle
w/TG511A Guard Kit X5 - Vertical Louver Kit
G3 - 1-Stage T834N Mercury Free Thermostat
w/Fan Switch
G5 - 2-Stage TH5220D Mercury Free Thermostat
w/Subbase
G6 - Locking Thermostat Cover
G8 - 1-Stage T6169C Line Voltage Stat
w/Subbase
G9 - 1-Stage T822K Mercury Free Thermostat
Digit X X X X — 1 2 3 4 5 6 7 8 9 10 11 12 13 14 +
Item Prefi x UT CA FT FM GT AL GC SV MT MS AS
(Internal use Only)