Roberts Gorden Electric Heater 30 125 User Guide

®
Combat UHA - Series  
Axial Fan Tubular Unit Heaters  
UHA Models 30 - 125  
UHA Models 150 - 400  
n Reduce dirt build-up on burners and  
extend life of heat exchanger with  
separated combustion units.  
n Reliable ignition with direct spark  
ignition burners.  
n Minimize summer heat build-up  
n Installation and operation flexibilty  
with rear or top air and flue connections  
(Models UHA 30 - 125 only).  
with remote fan operation.  
n Longer life and less maintenance with  
optional stainless steel heat exchangers.  
n Ideal for smaller spaces with low profile  
design (Models UHA 30 - 125 only).  
n Variable air throw direction with adjustable  
horizontal louvers and optional adjustable  
vertical louvers.  
1.800.828.7450  
Quality in Any LanguageTM  
 
®
Combat UHA 150 - UHA 400 Clearance and Dimension Data  
Clearances to Combustibles - Standard UHA Range (Models 150 - 400)  
Above Heater Below Heater To Side of Heater  
6" 3" 6"  
To Rear of Heater  
24" Airflow Clearance  
To Front of Heater  
Access Side Door  
31" Access Clearance  
To Flue  
118"  
2"  
Dimension Data - Standard UHA Range (Models 150 - 400)  
Model  
150  
175  
200  
225  
250  
300  
350  
400  
'A' Width  
[in]  
[in]  
43  
27  
43  
27  
43  
43  
43  
50  
50  
50  
'B' Height  
35.25  
35.25  
35.25  
43.5  
43.5  
43.5  
'C' Depth  
[in]  
[in]  
[in]  
30  
17.6  
9.5  
30  
17.6  
9.5  
32  
17.6  
17  
32  
17.6  
17  
32  
17.6  
17  
30  
30  
30  
'D' Support Spacing  
'F' Center of Flue  
24.7  
13.6  
24.7  
13.6  
24.7  
13.6  
'G' Flue Center to Air Intake Center [in]  
6
6
6
6
6
7
7
7
'H' Position of Flue  
[in]  
[in]  
[in]  
4.5  
4.5  
4.75  
4.75  
4.75  
4.9  
4.9  
4.9  
'J' Gas Inlet Position  
5.9  
3.4  
5.9  
3.4  
5.9  
3.4  
5.9  
3.4  
5.9  
3.4  
8.7  
6.2  
8.7  
6.2  
8.7  
6.2  
'K' Electrical Supply Position  
Maximum Recommended  
Mounting Height to Heater Base  
20  
20  
25  
25  
25  
30  
30  
30  
[ft]  
 
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®
Combat UHA-Series Technical Data  
Model  
30  
30  
45  
45  
60  
60  
75  
75  
100  
100  
82  
125  
150  
175  
200  
225  
250  
300  
350  
400  
Total Input  
[Btu/h] x [1000]  
[Btu/h] x [1000]  
125  
150  
175  
200  
225  
250  
300  
350  
385  
Total Output  
Efficiency  
24.6  
36.9  
49.2  
61.5  
102.5 123 143.5 164 184.5 205  
246 288.6 315.7  
82% - All Models  
Number of Burners  
Gas Connection  
Inlet Pressure  
2
3
4
5
6
7
7
8
9
10  
¾
11  
¾
12  
¾
14  
¾
14  
¾
[in]  
3
3
/8  
/8  
½
½
½
½
½
½
½
[in wc] NG Min.  
LPG Propane Min.  
NG & LP Propane Max.  
5 - All Models  
12 - All Models  
14 - All Models  
Electrical Supply  
115 V / 60 Hz / 1 Ø - All Models  
Full Load Amps @ 115 V  
3.0  
3.0  
4.1  
4.1  
5.8  
5.8  
7.1  
7.1  
10.6  
10.6  
10.6  
11.6  
11.6  
11.6  
Air Volume  
[CFM]  
[ft]  
691  
12  
691  
12  
1376 1376 1902 1902 2245 2245 3716 3716 3716 4663 4663 4663  
Recommended Maximum  
Mounting Height  
15  
15  
20  
20  
20  
20  
25  
25  
25  
30  
30  
30  
Number of Axial Fans  
1
1
1
1
1
1
1
1
1
1
1
2
2
2
Axial Fan Diameter  
[in]  
10  
10  
16  
16  
16  
16  
16  
16  
19.7  
19.7  
19.7  
16  
16  
16  
Horsepower  
.06  
1.8  
.06  
1.8  
.08  
2.6  
.08  
2.6  
.2  
.2  
.2  
.2  
.3  
.3  
.3  
.4  
.4  
.4  
Fan Motor Amps @ 115 V  
Fan Motor RPM  
Fan Motor Type  
Flue Size  
4.3  
4.3  
4.3  
4.3  
4.7  
4.7  
4.7  
8.6  
8.6  
8.6  
1630 1630 1030 1030 1175 1175 1200 1200 1085 1085 1100 1155 1155 1155  
SP  
SP  
SP  
SP  
PSC  
PSC  
PSC  
PSC  
PSC  
PSC  
PSC  
PSC  
PSC  
PSC  
[in]  
[in]  
[lb]  
4 - All Models  
Combustion Air Size  
Weight  
4
4
4
4
4
4
4
4
4
4
4
5
5
5
65  
70  
85  
90  
105  
110  
205  
225  
255  
265  
270  
355  
375  
375  
Important Notice  
The equipment described in this Data Sheet is suitable for most commercial and industrial heating applications. However, in certain environments,  
particularly where there is a chlorinated atmosphere (e.g. near degreasing plant or other solvent processes) or a particularly dusty atmosphere, specialist  
advice should be sought at the design stage. Roberts-Gordon reserves the right to alter product specification details without notice.  
Installation Code and Annual Inspections:  
All installations and service of ROBERTS GORDON® products must be performed by a contractor qualified in the installation and service of products sold  
and supplied by Roberts-Gordon and conform to all requirements set forth in the ROBERTS GORDON® manuals and all applicable governmental authorities  
pertaining to the installation, service and operation of the equipment. To help facilitate optimum performance and safety, Roberts-Gordon recommends that a  
qualified contractor annually inspect your ROBERTS GORDON® products and perform service where necessary, using only replacement parts sold and sup-  
plied by Roberts-Gordon, LLC.  
Further Information: Applications, engineering and detailed guidance on systems design, installation and product performance is available through  
ROBERTS GORDON® representatives. Please contact us for any further information you may require, including the Installation, Operation and Service Manual.  
This product is not for residential use.  
This document is intended to assist licensed professionals in the exercise of their professional judgement.  
Roberts-Gordon, LLC  
1250 William Street  
P.O. Box 44  
Buffalo, NY 14240-0044 USA  
Telephone: 716.852.4400  
Fax: 716.852.0854  
European Office:  
Roberts Gordon Europe Limited  
Telephone: +44(0) 1902 494425  
Fax: +44(0) 1902 403200  
Toll Free: 800.828.7450  
© 2006 Roberts-Gordon, LLC All rights reserved. No part of this work covered by the copyrights herein may be reproduced or copied in any form or by any means  
– graphic, electronic, or mechanical, including photocopying, recording, taping, or information storage and retrieval systems – without written  
permission of Roberts-Gordon, LLC.  
Printed in U.S.A.  
UHASNA  
5M 1106 Rev. A  
 

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