AERCO CXT-E Retrofit Kit User Manual
Technical instructions
ECS and CXT-E Retrofit Instructions Kit # 27004-TAB
Technical Instruction Document
TID-0141_0A
12/30/2014
AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, New York 10913 • Phone: 800-526-0288 Page 1 of 76
TECHNICAL INSTRUCTIONS
DISCLAIMER
The information contained in this manual is subject to change without notice from AERCO
International, Inc. AERCO makes no warranty of any kind with respect to this material, including,
but not limited to, implied warranties of merchantability and fitness for a particular application.
AERCO International is not liable for errors appearing in this manual, nor for incidental or
consequential damages occurring in connection with the furnishing, performance, or use of these
materials.
AERCO Technical Support:
(Mon–Fri, 8am-5pm EST)
1 (800) 526-0288
Creation Date: 12/30/2014
This document provides instructions for removing an existing
Control Valve Actuator and Control Box and replacing it with a new
CXT-E Electronic Control Valve Actuator and Electronic Control
System (ECS).
This document applies to kit number 27004-TAB.
These instructions apply to the following types and models:
• HELITHERM HEATER MODELS:
• A-Plus
• B-Plus
• B-Plus II (Water Wizard)
• E-Plus
• WATER-TO-WATER (WW) DOUBLE-WALL (DW) HEATER MODELS:
• WWDW-24
• WWDW-45
• WWDW-68
This document replaces the following document, originally released 04/11/2007:
TSB-2006-02 ECS-RETRO
Document Outline
- 1. INTRODUCTION
- 2. EQUIPMENT ISOLATION AND REMOVAL PROCEDURES
- 3. RECOMMENDED REPLACEMENT OF VALVE ASSEMBLY PARTS
- 4. INSTALLATION OF RETROFIT KIT ITEMS
- 4.1 Installation of Control Valve Actuator and Linkage Assembly
- 4.2 Installation of ECS Components on Top Head Assembly
- 4.3 Flow Meter Installation
- 4.4 Boiler Water Inlet and Outlet Temperature Sensors – (Water-to-Water Heaters)
- 4.5 Compound Pressure Gauge
- 4.6 Installation of New Orifice Disc
- 4.7 ECS Control Box Installation
- 5. POST INSTALLATION CONNECTIONS AND ADJUSTMENTS