Manual & Installer Guide
78
W3
3rd stage heat circuit
W3/AUX
(PSP4273CT only)
3rd stage heat circuit / 2nd stage aux heat / hum / dehum
W2
2nd stage heat circuit
W1/O/B
1st stage heat circuit
Y2
2nd stage compressor relay
Y1
1st stage compressor relay
G
fan relay
R
24 VAC return
C
24 VAC common
SENSOR
remote/outdoor/supply/return sensor connections
IMPORTANT: This thermostat requires both R (24 VAC Return) and
C (24 VAC Common) be connected to the backplate terminals.
NOTE:
The backplate does not fully cover
a full size vertical junction box. The
PSPAC-WPT Wallplate or
a single-gang, horizontally mounted
junction box would be needed for that
type of installation
Installation Instructions –
Thermostat Backplate
W3/A
UX
W2
W1/O/
B
Y2
Y1
SENSOR
To remove the thermostat backplate:
Using the Finger Pull Areas, pull the front
housing away from the backplate.
Backplate Front Housing
Look for these tabs to
locate the pull areas
Pull out with thumbs in these areas
Содержание OEM Series
Страница 58: ...Manual Installer Guide 50 The user may limit the maximum Cooling Setpoint Main Menu Buttons Settings...
Страница 59: ...51 Manual Installer Guide The user may limit the minimum Heating Setpoint Main Menu Buttons Settings...
Страница 60: ...Manual Installer Guide 52 2 The user may adjust the ADR Cooling static Setpoint Main Menu Buttons Settings...
Страница 61: ...53 Manual Installer Guide 2 The user may adjust the ADR Heating static Setpoint Main Menu Buttons Settings...
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