Revised Date: 2018/04/24
2
Installation
Mounting on electric box
1. Separate back plate from the controller by loosing the cover screw;
2. Align the mounting holes on the screw holes of the electric box(applicable to 65x65 or US standard box);
3. Fix the back plate on the electric box by tightening the back plate screws. Suggest to use Philips wider “truss head” or
“washer head” #6-32x 3/4”(20mm).
4. DO NOT let the bolt head rise above the wall of mounting holes of back plate. It might cause the short circuit of the
controller.
Mounting front cover
1. Lock front cover on the back plate by tightening the cover screw underneath with Philip screw driver.
Wiring Example
1.
All wires must be inserted above the retainers of respective terminal block before tightening the captive
screws;
WIRING DIAGRAM FOR TE226 – 24Vac Thermostat
2. Select Normally Open or Normally Closed Cooling and Heating valve Option in the Engineering Mode
parameter E20 and E21
ON DEMAND OUTPUT DO1 AND DO2
Set in Engineering Mode
DO1 Cooling Output
on demand for
cooling
Parameter E20
Set To :
DO2 Heating Output
on demand for
heating
Parameter E21
Set To:
0 Vac
0
0 Vac
0
24 Vac
1
24 Vac
1
AO2
RS
ESI
ECM Fan-0~10VDC
Remote Temperature
Sensor(NTC10K)
Occupancy
