Milesight WT201-868M Smart Thermostat User Guide
Wiring Examples
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1. Furnace + Air Conditioner
Wiring Descriptions
ꢀꢁꢂꢃꢄꢅꢁꢆ ꢇꢈꢉꢊꢋꢌꢋ
Wire
Description
CL
CN
RC
RH
W1
Live line out of keycard switch
Neutral line of keycard switch
CL
CN
RC
RH
W1
Power of cooling system and heating system(24VAC)
Power of heating system(24VAC)
Heating/The first stage of heating.
W2/AUX The second stage of heating/Auxiliary heating
W2
AUX
E
Emergency heating used on very cold days
E
The first stage of cooling on cooling system or compressor on heat pump
system
Y1
Y2: The second stage of cooling on cooling system or compressor on heat
pump system
Y2/GL
G/GH
GL: Control fan to low speed for PTAC
G: Control fan
GH: Control fan to high speed for PTAC
C
Common of 24VAC power. It also might be labelled as X or B wire.
PEK
O/B
Connect Power Extender Kit when there is no C wire.
Switch between heating and cooling on heating pump system.
W
R
Y1
C
3
4
| General | Details |
|---|---|
| Name | Milesight WT201-868M Smart Thermostat User Guide |
| Make | Milesight |
| Language | English |
| Filetype | PDF (Download) |
| File size | 1.34 MB |

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