Sterling QVSF User Manual download pdf (Page 29)

SEPARATED COMBUSTION PROPELLER

UNIT NUMBER DESCRIPTION

Digit #1, 2 - Unit Type [UT]

P3 - Separated Combustion Propeller

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]

B - Left Side Access

Digit #7 - Heat Exchanger Construction Material [FM]

1 - Aluminized Steel

2 - 409 Stainless Steel

3 - 321 Stainless Steel

Digit #8 - Gas Type [GT]

N - Natural Gas

P - Propane Gas (LP)

K - Natural Gas w/100% Shutoff

Digit #9 - Ignition Control [IC]

2 - Spark Ignition

Digit #10 - Altitude [AL]

A - 0–1,999 ft. J - 8,000–8,999 ft.

B - 2,000–2,999 ft. K - 9,000–9,999 ft.

C - 3,000–3,999 ft. L - 10,000–10,999 ft.

D - 4,000–4,999 ft. M - 11,000–11,999 ft.

F - 5,000–5,999 ft. N - Local Gas Supplier Derate

G - 6,000–6,999 ft. P - Canadian High Altitude 2,000–4,500 ft.

H - 7,000–7,999 ft.

Digit #11 - Gas Control [GC]

A - Single Stage

B - Two Stage

H - Electronic Modulation w/Room Sensing

Digit #12 - 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 #13 - Motor Type [MT]

1 - Open Drip Proof

2 - Totally Enclosed

Digit #14 - Blower Motor Sizes [MS]

0 - None/Not Applicable

Digit #15 - Accessories [AS]

FACTORY INSTALLED

A8 - Input Derate P6 - Summer/Winter Switch

M6 - OSHA Fan Guard S1 - 409 Stainless Steel Burners

S3 - 409 Stainless Steel Flue Collector

G1 - 1-Stage T87K Mercury Free

Thermostat w/Subase Kit*

G5 - 2-Stage TH5220D Mercury Free

Thermostat w/Subbase*

*These thermostats are factory ready

for ﬁ eld installation (include factory

mounted relay).

† 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 H5 - Low Ambient Control

G2 - 1-Stage T87K Mercury Free Thermostat M2-1 -

Vent Caps (4 inch) (Unit Capacity 100-175)

w/TG511A Guard Kit M2-2 -

Vent Caps (5 inch) (Unit Capacity 200-250)

G3 - 1-Stage T834N Mercury Free Thermostat M2-3 -

Vent Caps (6 inch) (Unit Capacity 300-400)

w/Fan Switch M3-1 -

Adaptors (5-4 inch) (Unit Capacity 100-175)

G6 - Locking Thermostat Cover M4 - Vertical Concentric Flue Kit

G8 - 1-Stage T6169C Line Voltage Stat M5 - Horizontal Concentric Flue Kit

w/Subbase M7 - Two to Four Point Suspension Kit

G9 - 1-Stage T822K Mercury Free

Thermostat P5 - 24V SPST Relay-Specify Purpose

Q1 - “Y” Splitter Nozzle

Q2 - 30° Nozzle

Q3 - 60° Nozzle

Q4 - 90° Nozzle

Q6 - Vertical Louvers

Digit X 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 IC AL GC SV MT MS AS

(Internal use Only)

1 2 ... 24 25 26 27 28 29 30 31 32

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Sterling QVSF User Manual Page 29

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