Page 33 - Zone Control Product Guide

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33
APRILAIRE MODEL 6504 CONTROL PANEL
CONTROL PANEL
TERMINAL DESIGNATIONS
ADDITIONAL INSTALLATION FEATURES
45
degree angled terminals
Enclosure accommodates wiring from the side or rear
Wiring diagram on front cover
Fuse protection with extra fuse
PLENUM
SENSOR
ODT
ODT
R
C
ZA
ZB
H
C
F
LINK
R
C
ZA
ZB
H
C
F
LINK
R
C
ZA
ZB
H
C
F
LINK
H
C
F
LINK
ZONE 1
ZONE 2
ZONE 3
ZONE 4
AHC
R
C
ZA
ZB
R
C
I+
I-
EAC
ERV/
Vent
W2
O
B
W1
Y2
Y1
G
RC
RH
HVAC EQUIPMENT
24
VAC
DAMPER
POWER
ZONE 1
DAMPER
ZONE 2
DAMPER
ZONE 3
DAMPER
ZONE 4
DAMPER
POWER
ZONE 4
ZONE 3
ZONE 2
ZONE 1
MULTI-STAGE
OFF
VENT
HC EQUIP.
SINGL
ON
ERV
HP
ERV/
Vent
VENT TIME
VENT CYCLE
#
of ZONES
USED
#
OF ZONES
STAGED
THERMOSTAT CONNECTIONS
FAN ON
ERV/Vent
EAC
HUM
HEAT
COOL
AHC LINK
TEST
RESET
MAIN FUSE
DAMPER
FUSE
EAC
ON
OFF
40
LOW LIMIT
170
HIGH LIMIT
GAS
PURGE
45
140
ELEC.
NO PURGE
PLENUM SENSOR
B
D
B
D
A
C
A
C
B
D
B
D
A
C
A
C
15
14
5
9
11
5
7
2
6
1
4
13
10
8
3
12
(1) 24
VAC power input serves thermostat
and AHC connection.
(2)
POWER L.E.D. light blinks at once per
second with power applied unless put in
Test Mode when it blinks twice per
second .
(3)
Four sets of thermostat inputs. H(eat)
L.E.D. lights when the thermostat when
calls for heating, C(ool) L.E.D. lights
when calling for cooling, F(an) L.E.D.
lights when calling for continuous fan
and the LINK L.E.D. is the lit
continuously when a thermostat is
connected.
(4)
L.E.D.s for all HVAC Equipment outputs.
(5)
Visible (with the cover on) L.E.D.s to
indicate when the system is Heating,
Cooling and operating the Fan.
(6)
Separate power input for 2- or 3-wire
dampers
(7)
ZONE L.E.D.s light when the Normally
Open (NO) contact is closed.
(8)
Automatic Humidifier Control
connections; LINK L.E.D. lights when the
AHC is communicating to the control
panel.
(9)
HUM L.E.D. lights when the Humidifier
valve is on.
(10)
Outputs for ERV/Ventilation and
Electronic Air Cleaner (EAC) control.
(11)
L.E.D. indicates when ERV/Vent or EAC
relay is closed.
(12)
Dip switch setting to configure HVAC
outputs, activates/deactivates
ERV/Vent outputs and set period and
frequency for ventilation control.
(13)
Jumper to turn on/off EAC control.
(14)
Inputs for outdoor temperature sensor
and plenum temperature sensor.
(15)
Test button for automatic test
sequence. Reset button momentarily
breaks power to control panel
microcontroller.
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