ECT Install and User Guide
Feb 2023
8 of 61
ECOER INC.
Manufacturer reserves the right to change specifications or designs without notice.
3.5 Wire with the indoor unit
44mm
60mm
Wiring
hole
switch box
HA HB
1
A
B
Fig 3-6
Indoor unit
Notch the part for the wiring to pass through with nippers, etc.
Connect the terminals on the wired controller (HA ,HB), and the
terminals of the indoor unit (HA ,HB). (HA and HB do not have polarity.)
NOTE :
• DO NOT allow water to enter the wired control. Use the trap and
putty to seal the wires.
• Connecting wires must be fixed reliably and cannot be pulled.
• These signal wires are equipped on site.
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