Sterling TF - Manual (Page 31)

31
TUBULAR GAS FIRED PROPELLER
UNIT NUMBER DESCRIPTION
Digit T X X X — 1 2 3 4 5 6 7 8 9 10 11 12 13 +
Item Prefi x UT CA FT FM GT AL GG SV MT AS
(Internal use Only)
1,2 - Unit Type [UT]
TF - Tubular Propeller
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
6 - Furnace Type [FT]
A - Right Hand Access
7 - Heat Exchanger (Furnace) Material [FM]
1 - Standard (Aluminized) Steel
2 - 409 Stainless Steel
8 - Gas Type [GT]
N - Natural Gas
P - Propane (LP) Gas
9 - Altitude [AL]
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.
10 - Gas Control [GC]
1 - Single Stage Direct Spark
2 - Two Stage Direct Spark
3 - Electronic Modulation w/Room Sensing
6 - Electronic Modulation w/External 4-20 mA Input
7 - Electronic Modulation w/External 0-10 VDC Input
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 - Other
Note: Supply Voltage [SV] 2-7 include fi eld mounted step down transformer.
12 - Motor Type [MT]
1 - Open Drip Proof (Standard)
2 - Totally Enclosed
13+ - Accessories [AS]
FACTORY INSTALLED
M6 - OSHA Type Fan Guard
P4 - Terminal Block Wiring
P6 - Summer/Winter Switch
S3 - 409 Stainless Steel Flue Collector
S5 - Stainless Steel Burners
All Field Installed Accessories are to be entered as a separate line item
using the catalog number which places “AS” as a prefi x. i.e. A7 becomes
AS-A7.
FIELD INSTALLED (AS-_____)
A7 - High Pressure Regulator
A7-1/2-1 - Regulator for 0.5-10 PSI
A7-3/8-1 - Regulator for 10-20 PSI
A7-5/16-1 - Regulator for 20-35 PSI
G1 - 1-Stage T87K Mercury Free Thermostat w/Subbase Kit
G2 - 1-Stage T87K Mercury Free Thermostat w/TG511A Guard Kit
G3 - 1-Stage T834N Mercury Free Thermostat/Fan Switch
G5 - 2-Stage TH5220D Mercury Free Thermostat w/Subbase
G6 - Locking Thermostat Cover
G8 - 1-Stage T6169C Line Voltage Thermostat w/Subbase
G9 - 1-Stage T822K Mercury Free Thermostat
M2-2 - 5" Vent Cap (Unit Capacities [CA] 100-250)
M2-3 - 6" Vent Cap (Unit Capacities [CA] 300-400)
M7 - 2 to 4 Point Suspension Kit
P5 - 24V SPST Relay-Specify Purpose
X2 - 30 Degree Downturn Nozzle
X3 - 60 Degree Downturn Nozzle
X4 - 90 Degree Downturn Nozzle
X5 -
Vertical Louver Kit