Product guide

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Control Panel Wiring Diagrams
APRILAIRE MODEL 6202 AND 6203 CONTROL PANELS
WIRING DIAGRAM
R 24V (hot) Thermostat voltage
C 24V (com) T-stat (if required) &
damper voltage
W Heat (thermostats and equipment)
Y Cooling (thermostats and equipment)
G Fan (thermostats and equipment)
NC Normally closed damper output
NO Normally opened damper output
RH Heating transformer—24V (hot)
RC Cooling transformer—24V (hot)
24VAC Voltage source for control panel,
T-stats and dampers
CONTROL PANEL TERMINAL DESIGNATIONS
Single-stage furnace and air conditioner application.
Aprilaire Zoned Comfort Control Panel
Wiring Diagrams
ADDITIONAL INSTALLATION FEATURES
• 45 degree angled terminals
• Enclosure accommodates wiring from the side or rear
• Wiring diagram on front cover
• Available terminal for 24 volt powered stats
• Compatible with common power-stealing thermostats
RATED VOLTAGE 20 to 30 VAC
RATED CURRENT 3 amp
FUSE RATING 3 amp, slow blow fuse
MAXIMUM AMBIENT TEMPERATURE 140˚F
RH AND RC TERMINALS Independent heat and cool relays for
2 transformer systems
PLENUM SENSOR
HIGH LIMIT TEMPERATURE Selectable between 140˚F – 170˚F
PLENUM SENSOR
LOW LIMIT TEMPERATURE Selectable between 40˚F and 45˚F
PRODUCT SPECIFICATIONS
MAX. # OF
POWERED
REQUIRED VA DAMPERS
40 3 or Less
75 4 thru 6
Recommend the 8028 7 or more
Damper Power
Distribution Panel
TRANSFORMER REQUIREMENTS