Roberts Gorden VANTAGE II CTH2-125 User Manual
Page 2
Printed in U.S.A.
CTH2SNA
5M 0608 Rev H
VANTAGE® II
Model
CTH2-40
CTH2-60
CTH2-80
CTH2-100
CTH2-125
CTH2-150
CTH2-175
Minimum Length of Straight Tube*
[ft] A
10
20
20
30
40
50
60
Minimum Length of U-tube*
[ft, in] B
N/A
11.7
11.7
16.7
21.7
26.7
31.7
Overall Minimum Length of Straight Tube
[ft, in] C
11, 5.5
21, 5.5
21, 5.5
31, 5.5
41, 5.5
51, 5.5
61, 5.5
Overall Minimum Length of U-tube
[ft, in] D
N/A
13, 0.5
13, 0.5
18, 0.5
23, 0.5
28, 0.5
33, 0.5
Input (Btu/h) x (1000)
40
60
80
100
125
150
175
Inlet Pressure
[in wc] NG min.
4.6
4.6
4.6
4.6
4.6
4.6
5
LPG Propane min.
11
11
11
11
11
11
11
NG & LPG Propane max.
14
14
14
14
14
14
14
Gas Connection
NPT
½"
½"
½"
½"
½"
¾"
¾"
Weights
Overall Length of Tube and Accessory Packages [ft]
10
20
30
40
50
60
70
Hot Rolled or Aluminized Tube
with Aluminum Reflector
[lb]
52
86
120
161
206
240
281
Aluminized Tube with Stainless Steel Reflector
[lb]
66
113
152
208
265
304
360
Burner
[lb] 40
Aluminized U-tube with Aluminum End Caps
[lb] 19
Aluminized U-tube with Stainless Steel End Caps
[lb] 20
Fuel
NG or LPG Propane
Electrical Supply
120 V, 60 Hz, 1 A (Run) 5 A (Start)
Heat Exchanger Tubing
10 ft Sections, 4" dia, 16 Gauge, First 10 ft ALUMI-THERM® Steel Tubing
[Remaining Hot Rolled, Heat Treated Aluminized or Double Porcelain Coated Steel Tubing]
Exhaust Flue
dia 4"
Reflector and End Caps
.024 Aluminum [Optional - .024 Stainless Steel Type 304]
Control System
Honeywell® SmartValve® II Combines Gas Valve and Hot Surface Electronic Ignition Control
Fully Automatic, Four-Try, 100% Shut-Off, Prepurge, Auto Reset, LED Indicator Status
Approved As
Indoor (Vented or Unvented)
Certification
ANSI Z83.20/CSA 2.34, 2.17
Warranty
Three-Year Limited (Refer to Installation, Operation and Service Manual for Details)
**Clearances B, C and D can be reduced by 50% for locations 25 ft (7 m) or more downstream of the burner. For other mounting options and associated clearances, complete
installation, operation and service criteria, please see the current issue of the Installation, Operation and Service Manual.
Clearances to Combustibles **[in]
Model
CTH2-40
CTH2-60
CTH2-80
CTH2-100
CTH2-125
CTH2-150
CTH2-175
Horizontal 45°
Horiz.
45°
Horiz.
45°
Horiz.
45°
Horiz.
45°
Horiz.
45°
Horiz.
45°
Horiz.
45°
A
6
8
6
8
6
8
6
10
6
10
6
12
8
12
B
27
8
35
8
38
8
40
8
46
8
50
8
52
8
C
53
51
63
60
66
66
71
74
77
78
80
84
82
85
D
27
46
35
54
38
60
40
64
46
69
50
74
52
79
������������������������
���������
��������������������������
�����
�������
������������������
�����
�������
����
�������
���������������
���������
��������
������������������
��������������������������
���
��������
*For additional lengths, please see the current Installation, Operation and Service Manual.
© 2008 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.
Roberts-Gordon LLC
1250 William Street
P.O. Box 44
Buffalo, NY 14240-0044 USA
Telephone: 716.852.4400
Fax: 716.852.0854
Toll Free: 800.828.7450
www.rg-inc.com
European Office:
Roberts-Gordon Europe Limited
Telephone: +44 (0)121 506 7700
Fax: +44 (0)121 506 7701
Installation Code and Annual Inspections:
All installations and service of ROBERTS GORDON® equipment must be performed by a contractor qualified in the installation and service of equipment 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® equipment and perform service where
necessary, using only replacement parts sold and supplied by Roberts-Gordon.
Further Information:
Applications, engineering and detailed guidance on systems design, installation and equipment 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 judgment.