AERCO ECS Retrofit - Manual (Page 45)

45
FAILURE IS INDICATED BY
DOUBLE WALL TUBE.
AN INNER OR OUTER TUBE
THIS IS A VENTED U - TUBE HEAT
EXCHANGER CONSTRUCTED WITH
PLUG OR OBSTRUCT !
LEAK DETECTION PORT
DO NOT
BOILER
WATER
IN
BOILER
WATER
OUT
BOILER WATER
INPUT SENSOR
BOILER WATER
OUTLET SENSOR
DW-24
BOILER
WATER
IN
BOILER
WATER
OUT
BOILER WATER
INPUT SENSOR
BOILER WATER
OUTLET SENSOR
DW-45, DW-68
LEAK DETECTION PORT
THIS IS A VENTED U - TUBE HEAT
AN INNE R OR OUTE R TUBE
FAILURE IS INDICA TE D BY
FLOW FROM THIS P ORT.
DO NOT
DOUBLE WALL TUBE. EX CHANGE R CONSTRUCTED WITH
PLUG OR OBSTRUCT !
Figure 4-10. Boiler Water Inlet and Outlet Temperature Sensor Locations for
Water–to–Water Double-Wall Heaters