AERCO SWDW68 U-Tube Double-Wall Heaters w/ECS - Manual (Page 10)

HE-
111 − GENERAL INFORMATION
Rev B Mar 2013 1-4
Table 1. DW-Series Heat Exchanger and CXT-E Actuator/Valve Accessories
Description AERCO
Supplied
Remarks
I. DW-Series Heat Exchanger
Temperature Controller Yes Required
Pressure and Temperature Relief Valve Yes Required
Over-temperature Limit System,
including: Yes Required
• Solenoid valve
• Water temperature sensor in heat
exchanger upper head
• Over-temperature indicating switch
Steam Flow Control Valve, sized as
required for the application Yes Required
Compound Steam Pressure Gauge,
mounted on steam inlet connection Yes Required
Traps No Required
• Drip trap
• Valve trap
• Condensate trap
Vacuum Breaker Yes Required
II. CXT-E Actuator and Valve
Upstream Shutoff Valve No Required
Downstream Shutoff Valve No • Suggested for ease of maintenance
• Required if a bypass line is used
Strainer and Blow-Off Valve No
Required
High Side Pressure Gauge No
Recommended for adjustment and
maintenance
Low Side Pressure Gauge, compound-
type for steam flow No
Recommended for adjustment and
maintenance.