COMBAT® UHA UNIT HEATER INSTALLATION OPERATION AND SERVICE MANUAL

15.2 General Technical Data Table (All Models)

 

Model

UHA[S]

UHA[S]

UHA[S]

UHA[S]

UHA[S]

UHA[S]

UHA[S]

UHA[S]

 

 

150

175

200

225

250

300

350

400

Full Load Amps @ 115 V

A

5.8

5.8

10.6

10.6

10.6

11.6

11.6

11.6

 

 

 

 

 

 

 

 

 

 

Air Volume

CFM

2245

2245

3716

3716

3716

4663

4663

4663

 

 

 

 

 

 

 

 

 

 

Flue and AIr Intake

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Flue Intake Size

in (cm)

4 (10)

4 (10)

4 (10)

4 (10)

4 (10)

4 (10)

4 (10)

4 (10)

 

 

 

 

 

 

 

 

 

 

Air Intake Size

in (cm)

4 (10)

4 (10)

4 (10)

4 (10)

4 (10)

5 (13)

5 (13)

5 (13)

 

 

 

 

 

 

 

 

 

 

*Maximum Straight Flue/Air Intake

ft (m)

40 (1)

40 (1)

40 (1)

40 (1)

40 (1)

40 (1)

40 (1)

40 (1)

 

 

 

 

 

 

 

 

 

 

*Do not exceed the maximum length of flue stated or heater may not operate properly.

15.3 Technical Data Table (All Models)

 

Model

UHA[S]

UHA[S]

UHA[S]

UHA[S]

UHA[S]

UHA[S]

UHA[S]

UHA[S]

 

150

175

200

 

225

250

300

350

400

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Total Input

(Btu/h) x (1000)

150

175

200

 

225

250

300

350

385

 

 

 

 

 

 

 

 

 

 

 

Total Output

(Btu/h) x (1000)

123

143.5

164

 

184.5

205

246

287

315.7

 

 

 

 

 

 

 

 

 

 

 

Efficiency

%

82

82

82

 

82

82

82

82

82

 

 

 

 

 

 

 

 

 

 

 

Natural Gas (G20) Data - Inlet Pressure 5.0 in w.c. Min., 14 in w.c. Max.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Burner Pressure

in. w.c.

3.2

3.4

3.7

 

3.7

4.0

2.7

2.5

3.3

 

 

 

 

 

 

 

 

 

 

LPG / Propane (G31) Data - Inlet Pressure Inlet Pressure 12.0 in w.c. Min., 14 in w.c. Max.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Burner Pressure

in. w.c.

9.9

10.4

10.5

 

10.7

10.7

9.4

9.3

11.1

 

 

 

 

 

 

 

 

 

 

 

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Roberts Gorden 250, 200, 350, 150, 400, 300, 225, 175 service manual General Technical Data Table All Models

175, 225, 300, 250, 400 specifications

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