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Set the O/B reversing valve jumper in the proper position
(Models 8346 and 8365 only)
The thermostat comes with an O/B terminal which can be configured to be
an ‘O’ terminal (for most heat pumps) or to be a ‘B’ terminal. Configure as an
‘O’ terminal if the heat pump reversing valve has heating as the default
position, configure as a ‘B’ terminal if the reversing valve has cooling as the
default position.
CONSULT WITH THE HEAT PUMP MANUFACTURER TO DETERMINE WHICH
CONFIGURATION IS NEEDED.
5
To configure as an “O” Terminal,
keep the pin jumper in this position.
To configure as an “B” Terminal,
move the pin jumper to this position.
Remove the slide switch caps
for easier access.
O/B Reversing Valve Pin Jumper Position