UHA STANDARD UNIT HEATER INSTALLATION OPERATION AND SERVICE MANUAL

 

Model

UHA[X][S]

UHA[X][S]

UHA[X][S]

UHA[X][S]

UHA[X][S]

UHA[X][S]

UHA[X][S]

UHA[X][S]

 

150

175

200

225

250

300

350

400

 

 

 

 

 

 

 

 

 

 

 

 

A

in

42.4

42.4

42.4

42.4

42.4

52.3

52.3

52.3

 

(cm)

(107.7)

(107.7)

(107.7)

(107.7)

(107.7)

(132.8)

(132.8)

(132.8)

B

in

26.7

26.7

35.0

35.0

35.0

43.2

43.2

43.2

 

(cm)

(67.8)

(67.8)

(88.9)

(88.9)

(88.9)

(109.7)

(109.7)

(109.7)

C

in

25.5

25.5

25.5

25.5

25.5

25.5

25.5

25.5

 

(cm)

(64.8)

(64.8)

(64.8)

(64.8)

(64.8)

(64.8)

(64.8)

(64.8)

D

in

17.6

17.6

17.6

17.6

17.6

24.7

24.7

24.7

 

(cm)

(44.7)

(44.7)

(44.7)

(44.7)

(44.7)

(62.7)

(62.7)

(62.7)

E

in

19.4

19.4

19.4

19.4

19.4

19.4

19.4

19.4

 

(cm)

(49.3)

(49.3)

(49.3)

(49.3)

(49.3)

(49.3)

(49.3)

(49.3)

F

in

30.0

30.0

32.0

32.0

32.0

30.0

30.0

30.0

 

(cm)

(76.2)

(76.2)

(81.3)

(81.3)

(81.3)

(76.2)

(76.2)

(76.2)

G

in

6.0

6.0

6.0

6.0

6.0

7.0

7.0

7.0

 

(cm)

(15.2)

(15.2)

(15.2)

(15.2)

(15.2)

(17.8)

(17.8)

(17.8)

H

in

8.6

8.6

8.3

8.3

8.3

11.2

11.2

11.2

 

(cm)

(21.8)

(21.8)

(21.1)

(21.1)

(21.1)

(28.4)

(28.4)

(28.4)

J

in

15.3

15.3

17.2

17.2

17.2

13.8

13.8

13.8

 

(cm)

(38.9)

(38.9)

(43.7)

(43.7)

(43.7)

(35.1)

(35.1)

(35.1)

K

in

3.4

3.4

3.4

3.4

3.4

6.2

6.2

6.2

 

(cm)

(8.6)

(8.6)

(8.6)

(8.6)

(8.6)

(15.7)

(15.7)

(15.7)

L

in

5.9

5.9

5.9

5.9

5.9

8.7

8.7

8.7

 

(cm)

(15.0)

(15.0)

(15.0)

(15.0)

(15.0)

(22.1)

(22.1)

(22.1)

M

in

2.4

2.4

2.4

2.4

2.4

2.4

2.4

2.4

 

(cm)

(6.1)

(6.1)

(6.1)

(6.1)

(6.1)

(6.1)

(6.1)

(6.1)

N

in

6.5

6.5

6.5

6.5

6.5

6.5

6.5

6.5

 

(cm)

(16.5)

(16.5)

(16.5)

(16.5)

(16.5)

(16.5)

(16.5)

(16.5)

16.2 General Technical Data Table

 

Model

UHA[X][S]

UHA[X][S]

UHA[X][S]

UHA[X][S]

UHA[X][S]

UHA[X][S]

UHA[X][S]

UHA[X][S]

 

 

150

175

200

225

250

300

350

400

Full Load Amps @ 120 V

A

10.6

10.6

10.6

10.6

10.6

11.6

11.6

11.6

 

 

 

 

 

 

 

 

 

 

Air Volume

CFM

3500

3500

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)

 

 

 

 

 

 

 

 

 

 

 

lbs

217

237

255

265

270

355

375

375

Weight (Net)

(kg)

(98.4)

(107.5)

(115.7)

(120.2)

(122.5)

(161.0)

(170.1)

(170.1)

 

 

 

 

 

 

 

 

 

 

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

16.3 Technical Data Table

 

Model

UHA[X][S]

UHA[X][S]

UHA[X][S]

UHA[X][S]

UHA[X][S]

UHA[X][S] UHA[X][S] UHA[X][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 wc Min., 14 in wc Max.

Burner Pressure

in wc

3.2

3.4

3.7

3.7

4.0

2.7

2.7

3.3

 

 

 

 

 

 

 

 

 

 

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

Burner Pressure

in wc

9.9

10.4

10.5

10.7

10.5

9.4

9.3

11.1

 

 

 

 

 

 

 

 

 

 

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

175, 225, 300, 250, 400 specifications

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