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Our dampers are two wire dampers and should be connected to PC and X (Common).
Fan call inputs will be ignored by the panelFan call inputs will be ignored by the panel
LED Status Indication
Thermostat
| Connection | Description | Wire Color |
|---|---|---|
| Y1 | Cool | Orange |
| Y2 | ||
| G | Fan | Green |
| OB | ||
| Rc | Power - 24V AC | Red |
| W1 | Heat | White |
| W2/AUX | ||
| C | Common - 24V CommonAC | Black |
| * | Humidifier | |
| Rh |
Heat and AC Hookup
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The thermostat is reponsible for calling for heat and colling when the temperature gets to high or too low. To do this, it closes relays in the thermostat. All wiring is 24vac.
| Connection | Description |
|---|---|
| Y1 | Cool |
| Y2 | |
| G | Fan |
| OB | |
| Rc | Power |
| W1 | Heat |
| W2/AUX | |
| C | 24V Common |
| * | Humidifier |
| Rh |
From the thermostat wiring above, if you wanted to test the AC, you would jumper Y1(Cool) with Rc(Power). Doing so, should turn your AC on.
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HOWARD BOYLE
Heating and Air Conditioning
1726 Bank St. Unit ‘C’ Ottawa ON, K1V 7Y6
Tel. (613) 829-4000 Fax. (613) 829-3066
TroubleShooting
| Problem | Solution |
|---|---|
| Whistling Sound | Bypass is open meaning that both zones are closed. Probably stuck flap. |
References
| Reference | URL |
|---|---|
| Nest Pro Installer Guide | http://support-assets.nest.com/images/pro-faq/Nest-Pro-Installer-Guide.pdf |
| How to Connect & Setup a Nest Thermostat to Function as a Humidistat | https://ohmefficient.com/connect-nest-thermostat-humidistat/ |
| How to Bypass an HVAC Thermostat | https://www.youtube.com/watch?v=9Y_R9unnadI |
Robert Shaw Zone Control System |
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