Page 31 - Zone Control Product Guide

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31
APRILAIRE MODEL 6303 CONTROL PANEL
WIRING DIAGRAM
R
24
V (hot) Thermostat voltage
C
24
V (com) T-stat (if required) &
damper voltage
W/W2 Heat or Auxiliary Heat (thermostats
and equipment)
Y
Cooling or Compressor (thermostats
and equipment)
G Fan (thermostats and equipment)
O Reversing Valve—Cool
B Reversing Valve—Heat
NC Normally closed damper output
NO Normally open damper output
RH Heating transformer—24V (hot)
RC Cooling transformer—24V (hot)
24
VAC Voltage source for control panel,
T-stats and dampers
CONTROL PANEL TERMINAL DESIGNATIONS
Single-stage heat pump with auxiliary heat application.
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 120˚F and 160˚F
PLENUM SENSOR
LOW LIMIT TEMPERATURE
Selectable between 40˚F and 45˚F
PRODUCT SPECIFICATIONS
ADDITIONAL INSTALLATION FEATURES
45
degree angled terminals
Enclosure accommodates wiring from the side or rear
Wiring diagram on front cover
Available common terminal for 24 volt powered stats
Compatible with power-stealing thermostats
Fuse protection with extra fuse on board
Convenient control of Emergency Heat through thermostat or on
board switch
Emergency heat led indication through control
panel cover
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