ECS Upgrade for SW Double Wall Heaters, Kits 27035, 27036, 27037
Technical Instruction Document
TID-0142_0A
12/30/2014
AERCO International, Inc.
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100 Oritani Dr.
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Blauvelt, New York 10913
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Phone: 800-526-0288
Page 16 of 24
4. Feed the external 120v 60 Hz power leads through the cutout in the right side of the ECS
Control Box.
5. Connect the Line, Neutral and Ground leads to the TB-2 terminals shown in Figure 2-9.
6. Close the swing-down panel after the power leads are secured to TB-2. Tighten the captive
screw to secure the recessed panel in the closed position.
7. Check the labels on the Control Box cables and connect them to the following components:
a. Label
Connect To:
MIXED INLET TEMP THERMOCOUPLE
2-Pin Connector on Thermocouple
8. Fill system with domestic tap water – The system must be filled before operating the
circulator. The bearings are water lubricated and should not be allowed to operate dry.
Filling the system will result in immediate lubrication of the bearings. It is always good
practice to flush a new system of foreign matter before starting the circulator.
9. Put the controller in manual and leave it set to the zero (0) position.
10. Operate the circulator for 5 minutes immediately after flushing the system to purge
remaining air from the bearing chamber.
11. Refer to Instruction No. HE-111 for start-up procedures.
12. Close the front door of the ECS Control Box and tighten the captive screw to secure it.
Figure 2-7: Typical ECS Control Panel Front View
