AERCO CXT-E Retrofit Kit - Manual (Page 54)

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 54 of 76
5. POST INSTALLATION CONNECTIONS AND ADJUSTMENTS
Figures 5-1 and 5-2 show a typical B-Plus Helitherm Water Heater and a Water-to-Water Double
Wall WWDW-68 Heater with all ECS and CXT-E Retrofit items installed. Upon completion of all
retrofit procedures in Section 4, the ECS Retrofit heater must be thoroughly checked to ensure
that all required external connections have been made to the modified Heater. In addition, CXT-E
Actuator and ECS Control system adjustments must be made prior to placing the Heater back into
service.
5.1 INPUT AND OUTPUT WATER HEATER CONNECTIONS
The following items must be checked to ensure the proper connections have been made:
1. Drain Connection
Ensure that the Drain Ball Valve has been replaced and that all external drain piping is
reconnected.
1. Cold Water Inlet
Ensure that the Cold Water Inlet Flange is connected to the cold water inlet piping.
2. Steam or Boiler Water Line
Ensure that the Steam or Boiler Water supply line is connected to the inlet of the CXT-E
Control Valve.
3. Condensate Line
Ensure it is connected to a nearby drain or condensate collection system.
4. Electrical Power
Ensure that AC power (120 to 240 volts) is connected to the ECS Control Box
5.2 ADJUSTMENTS
Prior to placing the unit into operation, the CXT-E Actuator, ECS Temperature Controller and ECS
Over-Temperature Switch must be set. The adjustment procedures for these items are provided in
Section 3 of Operation and Maintenance Manual AC-105. A copy of this manual is included in the
Retrofit Kit.