Sterling GG User Manual
Page 39

39
LOW PROFILE TUBULAR PROPELLER
UNIT NUMBER DESCRIPTION
Digit
G X X X — 1 2 3 4 5 6 7 8 9 10
11
12
13
14
15 +
Item
Prefi
x
UT
CA FT
FM
GT
AL
GC
SV
MT
DL AS
(Internal use Only)
Digit #1, 2 - Unit Type [UT]
GG - Low Profi le Tubular Propeller
Note: Field conversion to Separated Combustion requires a Combustion Air Inlet Kit.
See Accessory Option X7-4 and X7-5 for proper unit selection.
Digit #3, 4, 5 - Capacity [CA]
030 - 30,000 BTU/HR
045 - 45,000 BTU/HR
060 - 60,000 BTU/HR
075 - 75,000 BTU/HR
090 - 90,000 BTU/HR
105 - 105,000 BTU/HR
120 - 120,000 BTU/HR
Digit #6 - Furnace Type [FT]
A - Right Side Access
Digit #7 - Furnace Material [FM]*
1 - Standard (Aluminized) Steel
2 - 409 Stainless Steel
*Heat Exchanger Tube Material Only.
Digit #8 - Gas Type [GT]
N - Natural Gas
P - Propane Gas (LP)
Digit #9 - Altitude [AL]
S - 0–4,999 feet
T - 5,000–11,999 feet
Note: Installations over 2,000 feet require gas input deration in the fi eld.
Refer to unit installation instructions.
Digit #10 - Direct Spark Gas Control [GC]
A - Single Stage (Standard)
B - Two Stage (Capacities [CA] 060 through 120 only)
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 fi eld mounted step down transformer.
Digit #12 - Motor Type [MT]
1 - Open Drip Proof (Standard)
2 - Totally Enclosed (Capacities [CA] 060 through 120 only)
Digit #13 - Development Level [DL]
C - Production Onset
Digit #14, 15+ - Accessories [AS]
FACTORY INSTALLED
S3 - 409 Stainless Steel Flue Collector
Z1 - Special
† 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 - 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 Stat w/Subbase
G9 - 1-Stage T822K Mercury Free Thermostat
P5 - 24V SPST Relay-Specify Purpose
VC-4 - 4" Vent Cap
X2 - 30 Degree Downturn Nozzle
X3 - 60 Degree Downturn Nozzle
X4 - 90 Degree Downturn Nozzle
X7-4 - Combustion Air Inlet Kit (Capacities [CA] 030-075)
X7-5 - Combustion Air Inlet Kit (Capacities [CA] 090-120)