AERCO ECS Upgrade for SW Double Wall Heaters User Manual
Technical instructions

ECS Upgrade for SW Double Wall Heaters, Kits 27035, 27036, 27037
Technical Instruction Document
TID-0142_0A
12/30/2014
AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, New York 10913 • Phone: 800-526-0288 Page 1 of 24
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 upgrading the
Electronic
Control System (ECS) for Steam-to-Water (SW) Double Wall Heaters using kit
numbers 27035, 27036 and 27037.
These instructions apply to the following Steam-To-Water (SW)
Double-Wall (DW) heater models:
• SWDW-24
• SWDW-45
• SWDW-68
This document replaces the following document (01/25/2011):
TSB-11-007_0A_SWDW_Recirculator-ECS_Upgrade
Document Outline
- 1. INTRODUCTION
- 2. EQUIPMENT ISOLATION AND REMOVAL PROCEDURES
- 2.1 Isolating Water Heater
- 2.2 Draining Water Heater
- 2.3 Removal of Hot Water Outlet Piping
- 2.4 Removal of Items Connected to Heater Shell
- 2.5 Installation of ECS Components on Top Head Assembly
- 2.5.1 Thermocouple & Circulator Installation For SWDW Heaters – Brazed Fittings
- 2.5.2 Thermocouple & Circulator Installation For SWDW Heaters – Compression Fittings
- 2.5.3 Temperature Controller Replacement
- 2.5.4 Setpoint Temperature Adjustment
- 2.5.5 Wiring the ECS Control Box for the Circulator and Temperature Control
- 3. POST INSTALLATION CONNECTIONS AND ADJUSTMENTS
- 4. APPENDICES