Sterling GF-400 User Manual

(Hanging)

1-3/8"

(35)

(Hanging)

32-1/2"

(826)

11-5/8"

(295)

(Hanging)

(Discharge

Opening)

33"

(Discharge Opening)

1" (25)

Electrical Control Panel

Gas Valve

D4617

Rear View

Side View

Front View

Flue

Table 1 - Performance and Dimensional Data - Tubular Propeller Unit Heater

Unit

Size

100 125 150 175 200 250 300 350 400

PERFORMANCE DATA†

Input

BTU/Hr.

100,000 125,000 150,000 175,000 200,000 250,000 300,000 350,000 400,000

(kW)

(29.3)

(36.6)

(43.9)

(51.2)

(58.6)

(73.2)

(87.8)

(102.5)

(117.1)

Output

BTU/Hr.

81,000 101,250 121,500 141,750 162,000 202,500 243,000 283,500 324,000

(kW)

(23.7)

(29.6)

(35.6)

(41.5)

(47.5)

(59.3)

(71.2)

(83.0)

(95.0)

Thermal

Effi

ciency

(%) 81 81 81 81 81 81 81 81 81

Free

Air

Delivery

CFM

1,600 2,200 2,400 2,850 3,200 3,450 5,000 5,600 5,800

(cu. m/s)

(0.756)

(1.039)

(1.133)

(1.346)

(1.511)

(1.629)

(2.361)

(2.644)

(2.738)

Air

Temperature

Rise

Deg.

47 42 47 46 47 54 45 47 51

(Deg. C)

(26)

(23)

(26)

(30)

(24)

(26)

(28)

Full Load Amps at 120V

5.3

5.8

8.0

11.3

13.5

MOTOR DATA: Motor HP (Qty.)

1/10

1/4

1/3

(2) 1/4

(2) 1/3

Motor kW

(0.080)

(0.19)

(0.25)

(0.19)

(0.25)

Motor Type

PSC

R.P.M.

1,050

1,140

Amps @ 115V

4.2

4.7

5.8

9.4

11.6

DIMENSIONAL DATA - inches (mm)
“A” Overall Height to Top of Flue 33-3/4

33-3/4

(857) (857) (857) (857) (857) (857) (864) (864) (864)

“B”

Jacket

Width

Unit

20-3/4 20-3/4 20-3/4 32-3/4 32-3/4 32-3/4 50-3/4 50-3/4 50-3/4

(527) (527) (527) (831) (831) (831) (1289)

(1289)

“C”

Width

Flue

13-3/8 13-3/8 13-3/8 19-3/8 19-3/8 19-3/8 28-3/8 28-3/8 28-3/8

(340) (340) (340) (492) (492) (492) (721) (721) (721)

“D” Depth to Rear of Housing

12-1/4

(279) (279) (279) (279) (279) (279) (311) (311) (311)

“E”

Hanging

Distance

Width

18-5/8 18-5/8 18-5/8 30-5/8 30-5/8 30-5/8 48-5/8 48-5/8 48-5/8

(473) (473) (473) (778) (778) (778) (1235)

(1235)

“F”

Discharge

Opening

Width

18-3/4 18-3/4 18-3/4 30-3/4 30-3/4 30-3/4 48-3/4 48-3/4 48-3/4

(476) (476) (476) (781) (781) (781) (1238)

(1238)

“G”

Depth

Flue

4-3/4 4-3/4 4-3/4 4-3/4 4-3/4 4-3/4 5-1/8 5-1/8 5-1/8

(121) (121) (121) (121) (121) (121) (130) (130) (130)

“H”

Discharge

Opening

Height

24-1/2 24-1/2 24-1/2 24-1/2 24-1/2 24-1/2 24-1/2 24-1/2 24-1/2

(622) (622) (622) (622) (622) (622) (622) (622) (622)

“L”

Overall

Unit

Width

25-1/4 25-1/4 25-1/4 37-1/4 37-1/4 37-1/4 55-1/4 55-1/4 55-1/4

(641) (641) (641) (946) (946) (946) (1403)

(1403)

*Flue

Size

Diameter

in.

5 5 5 5 5 5 6 6 6

(Dia.-mm)

(127)

(152)

Fan Diameter - in. (Qty.)

(2) 16

(2) 18

Gas

Inlet-Natural

Gas

(in.)

1/2 1/2 1/2 1/2 1/2 3/4 3/4 3/4 3/4

Gas Inlet- LP Gas (in.)

1/2

1/2 OR 3/4

Approximate

Unit

Weight

lbs.

133 145 155 191 201 211 307 321 335

(kg)

(60)

(66)

(70)

(87)

(91)

(96)

(139)

(145)

(152)

Approximate

Ship

Weight

lbs.

173 185 195 241 251 261 367 381 395

(kg)

(78)

(84)

(88)

(109)

(114)

(118)

(166)

(173)

(179)

DIMENSIONS .XXX STANDARD UNITS
DIMENSIONS IN PARENTHESIS (XXX) MILLIMETERS

Figure 2 - Dimensional Drawing – Tubular Propeller Unit Heater

* For all installations, the fl ue collar is included with the unit and should be fi eld installed per the instructions included with the unit.

† Ratings shown are for unit installations at elevations between 0 and 2,000 ft (0 to 610m). For unit installations in U.S.A. above 2,000 ft. (610m), the unit input must be derated 4% for each 1,000 ft. (305m) above sea level; refer to

local codes, or in absence of local codes, refer to the latest edition of the National Fuel Gas Code, ANSI Standard Z223.1 (N.F.P.A. No. 54).

For installations in Canada, any reference to deration at altitudes in excess of 2,000 ft. (610m) are to be ignored. At altitudes of 2,000 ft. to 4,500 ft. (610 to 1372m), the unit must be derated to 90% of the normal altitude rating,

and be so marked in accordance with the ETL certifi cation.

D4617