Aprilaire 6404 プリント
APRILAIRE MODEL 6404 ZONED COMFORT CONTROL PANEL
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 and 170˚F
PLENUM SENSOR
LOW LIMIT TEMPERATURE
Selectable between 40˚F and 45˚F
PRODUCT SPECIFICATIONS
ADDITIONAL INSTALLATION FEATURES
G
RH
RC
RC
Y1
W1
Y2
W2
O
B
G
2S
O
B
Y
W
C
R
2S
G
O
Y
W
C
R
2S
G
O
Y
W
C
R
2S
G
O
Y
W
C
R
FUSE - 3A
SPARE FUSE
ZONE 1
ZONE 2
ZONE 3
ZONE 4
HV
AC EQUIPMENT
AC EQUIPMENT
PLENUM
SENSOR
T.D.O.
(TIME DELAY
OVERRIDE)
EAC
HUM
DAMPER
POWER
C R
CONTROL
PANEL
POWER
R C
R
C
A
B
ZONE 1
COM NC NO
EP_OUT
ZONE 2
COM NC NO
ZONE 3
COM NC NO
ZONE 4
COM NC NO
LED’
s VISIBLE THROUGH THE ENCLOSURE
POWER
HUM
EAC
HEATING
COOLING
FAN ON
VAC
E-HEAT
ZONE 1
ZONE 2
ZONE 3
ZONE 4
ZONE/VAC
SELECTOR
OFF/ON
E-HEAT
SELECTOR
OFF/ON
THERMOST
AT
CONNECTIONS
PLENUM SENSOR
A
OFF
ON
C
CL:40
HT:170
D
B
45
140
#ZONES TO STAGE
A
OFF
ON
C
C
A
D
B
D
B
STAGE MINUTES
AUX. MINUTES
HEAT/COOL
OFF
ON
ANY ZONE
GAS
PURGE
ZONE 1
HEAT PUMP
ELECTRIC
NO PURGE
WIRING DIAGRAM
R
24V (hot) Thermostat voltage
C
24V (com) T-stat (if required) &
damper voltage
damper voltage
G
Fan (thermostats and equipment)
Y/Y1
1
st
Stage Cooling or Compressor
(thermostats and equipment)
W/W1 1
st
Stage Heat or Auxiliary Heat
(thermostats and equipment)
Y2
2
nd
Stage Cooling or Compressor
(equipment)
W2
2
nd
Stage Heat or Emergency Heat
(equipment)
O
Reversing Valve—Cool
B
Reversing Valve—Heat
2S
2
nd
Stage Heat and/or 2
nd
Stage Cool
(thermostats)
NC
Normally closed damper output
NO
Normally open damper output
24VAC
Voltage source for control panel,
thermostats and dampers
thermostats and dampers
RH
Heating transformer—24V (hot)
RC
Cooling transformer—24V (hot)
HUM
Auxiliary relay active w/ heat calls
EAC
Auxiliary relay active w/ blower operation
A&B
Expansion panel connections
MAX. # OF
POWERED
POWERED
REQUIRED VA
DAMPERS
40
3 or Less
75
4 thru 6
40 per 3 Dampers
7 or more
TRANSFORMER
REQUIREMENTS
• 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
• Convenient control of E-Heat through thermostat or on board switch
• Selectable - any zone sets mode or zone 1 sets mode
• Elec/non-elec selectable - proper control of the fan (G-terminal) for either
electric or fossil fuel furnaces
CONTROL PANEL
TERMINAL DESIGNATIONS
PO Box 1467 • Madison, WI 53701-1467 • Phone 800/334-6011 • Fax 608/257-4357 • www.aprilairecontractor.com
©2004 Research Products Corporation
Form No. 5034 50.06.04 Printed in U.S.A.