Sterling GG-120 User Manual

11 - Supply Voltage [SV]

1 - 115/1/60

4 - 208/3/60

7 - 575/3/60

2 - 208/1/60

5 - 230/3/60

Z - Other

3 - 230/1/60

6 - 460/3/60

Note: Supply Voltage [SV] 2 thru 7 includes a fi eld mounted step down
transformer.

12 - Motor Type [MT]

1 - Open Drip Proof (Standard)
2 - Totally Enclosed [Capacities 060 through 120 Only]

13 - Development Level [DL]

A - Revision Level - Production Onset

14, 15 + - Accessories [AS]

FACTORY INSTALLED
S3 - Stainless Steel Flue Collector
Z1 - Special

FIELD INSTALLED (AS-____)
A7 - Pressure Regulator (1/2 - 2 psi)

G1 - 1 Stage 87K Mercury Free Thermostat
G2 - 1 Stage 87K 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

P5 - 24V SPST Relay - Specify Purpose

VC-4 - 4" Vent Cap
VC-5 - 5" Vent Cap [Capacity 075-120 Category I Horizontal Vent Only]

X7-4 - Concentric Vent Kit [Capacities 030-075)
X7-5 - Concentric Vent Kit [Capacities 090-120]

Low Profi le Tubular Gas-Fired Unit Heater Model Number Description

Digit

G X X X — 1 2 3 4 5 6 7 8 9 10

15 +

Item

Prefi

CA FT

DL AS

(Internal use Only)

1, 2 - Unit Type [UT]

GG - Residential Tubular Propeller UH

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

6 - Furnace Type [FT]

A - Right Hand Access

7 - Furnace Material [FM]

1 - Aluminized Steel (Standard)
2 - 409 Stainless Steel

8 - Gas Type [GT]

N - Natural Gas
P - Propane (LP) Gas

9 - Altitude [AL]

P - Canadian Hi-Alt. 2000-4500 Ft.
S - 0-4999 Ft.
T - 5000-11,999 Ft.
Note: Unit installations over 2000 ft. require gas input deration
in the fi eld. Refer to unit installation instructions.

10 - Gas Control [GC]

A - Single Stage (Standard)
B - Two Stage (CA = 060 through 120 Only)