Obtaining Support; Thermostat Connections; Thermostat Wiring - BAYweb BW-WT1 Owner's Manual

Obtaining Support

Customer support is handled on line 24 hours per day, 7 days a week. Before requesting
support, please review the Frequently Asked Questions and other resources available at
www.bayweb.com. When contacting us for support, please provide your name, web portal
user ID (if you have one), and thermostat serial number, located on the front cover of this
manual and on the Control Module.
Support email: support@bayweb.com
Bay Controls, LLC
6528 Weatherfield Ct
Maumee, OH 43537
419-891-4390 (Monday - Friday 8:00 AM – 12:00PM and 1:00PM – 5:00 PM EST)

Thermostat Connections

The following table shows all standard thermostat terminals and associated functions. Note
that the BAYweb Thermostat uses the R, Rh, Rc, W, G, Y, and C terminals only. The others
are shown here for reference.
Terminal Function
R 24 VAC Supply (heat & cool)
Rh 24 VAC Supply for heat
Rc 24 VAC Supply for cool
W or W1 Heat
G Fan
Y or Y1 Cool
C or X 24 VAC Common
W2 Stage 2 Heat
Y2 Stage 2 Cool
O or O/B Reversing Valve (Heat Pump)
E Emergency Heat (Heat Pump)

Thermostat Wiring

If you need to replace your thermostat wiring, or are installing wiring for new equipment, use
the following wire specification 18 AWG 4 or 5 Conductor 300V, Type CL2 (UL) 105 Deg C.
Standard Wire Color
Red
Red
Red
White
Green
Yellow
Blue or Black
Pink or other color
Blue or Pink
Orange, Blue, or Black
Blue, Pink, Gray or Tan
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