FIRMWARE VERSION SHOWN ON
DISPLAY AFTER RESET OR POWER UP
S
MART
Z
ONE
-4X
FRESH AIR & ECONOMIZER GUIDE
CLOSED = ENABLED, OPEN = DISABLED
WHEN ZONE 4 IS CONFIGURED AS FRESH AIR, CONNECTING A SWITCH OR
SENSOR (24VAC) TO THE ZONE 4 THERMOSTAT TERMINALS WILL ACTIVATE
ADVANCED FRESH AIR FEATURES.
ADVANCED FRESH AIR
►
Y = ECONOMIZER
►
G = DEMAND FRESH AIR
►
W = ONLY WITH EQUIPMENT
►
O
/
B
= FRESH AIR OFF
FOR BASIC FRESH AIR: DO NOT CONNECT THESE TERMINALS.
FRESH AIR CONFIGURATION
4
HI TEMP
LO TEMP
SUPPLY
PURGE
DELAY
ECO
FA
HI TEMP
LO TEMP
SUPPLY
PURGE
DELAY
ECO
2
3
PRESS
▲▼
TO SELECT
THE # OF MINUTES PER
HOUR FOR FRESH AIR RUN
TIME (IN 5 MINUTE
INCREMENTS)
PRESS STAT TYPE BUTTON
TO SELECT ZONE 4
PRESS UP
▲
BUTTON
TO SELECT FA
PRESS STAT TYPE AGAIN
4
0
HI TEMP
LO TEMP
SUPPLY
PURGE
DELAY
ECO
I5
HI TEMP
LO TEMP
SUPPLY
PURGE
DELAY
ECO
5
PRESS STAT TYPE AGAIN
(OR WAIT 5 SECONDS) TO
STORE SETTINGS
1
SE
HI TEMP
LO TEMP
SUPPLY
PURGE
DELAY
ECO
ADJUST SETTINGS
STAT
TYPE
FA
HI TEMP
LO TEMP
SUPPLY
PURGE
DELAY ECO
BASIC FRESH AIR OPERATION
SMARTZONE-4X WILL AUTOMATICALLY ENERGIZE FAN (G) AND OPEN THE FRESH
AIR DAMPER (ZONE 4) FOR A CONFIGURABLE # MINUTES PER HOUR (FRESH AIR
RUN TIME) FRESH AIR RUN-TIME IS ATTEMPTED DURING EQUIPMENT
CALLS BUT WILL BE COMPLETED AT THE END OF THE HOUR
AUTOMATICALLY TO SATISFY THE FRESH AIR RUN-TIME SET BY USER
EVEN IF EQUIPMENT HAS NOT RUN
R
Y
G
O/B
W
C
Z
O
N
E
1
S
T
A
T
Z
O
N
E
4
S
T
A
T
FOR MORE INFORMATION
ABOUT FRESH AIR SETUP SEE
“SMARTZONE INSTALL GUIDE”
AVAILABLE AT ECOJAY.COM
VERSION 8E FIRMWARE ONLY
Y = ECONOMIZER /
FREE
COOLING
(
SEE
BACK
OF
PAGE
FOR
DETAILS
)
G = DEMAND FRESH AIR /
VENT
T
URN
ON
FRESH
AIR
MANUALLY
,
EQUIPMENT
G
WILL
ENERGIZE
AND
FRESH
AIR
DAMPER
WILL
OPEN
W = ONLY WITH EQUIPMENT
E
NERGIZE
THIS
TERMINAL
AND
FRESH
AIR
WILL
ONLY
RUN
WITH
EQUIPMENT
RUN
TIME
(
EVEN
IF
MORE
MINUTES
HAVE
BEEN
SET
FOR
THE
HOUR
)
O
/
B
= FRESH AIR OFF
F
RESH
AIR
IS
TOTALLY
DISABLED
,
AUTOMATIC
#
MINUTES
PER
HOUR
RUN
TIME
,
ECONOMIZER
MODE
,
AND
DEMAND
FRESH
AIR
ALL WILL NOT RUN.
eco
jay
BYPASS
DUCT
EVAP.
COIL
(
COOLING
)
FURNACE
(
HEATING
)
R
ETURN
A
IR
BYPASS
DAMPER
PC
P0
COM
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ay
24
v
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(2
V
A
)
POWER
OPEN/CLOSE
DAMPER
F
RE
SH
AI
R
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D
A
M
P
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Z1-PC
RC
RH
COM
W2
O/B
Y1
Y2
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E
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M
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N
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COM
D
A
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2
Z2-PO
Z2-PC
COM
S
M
A
R
T
L
IN
K
1
GND
2
S
A
S
E
N
S
O
R
SA1
SA2
W1
EH
ecojay
S
MART
Z
ONE
D
A
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3
Z3-PO
Z3-PC
COM
D
A
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P
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R
4
Z4-PO
Z4-PC
COM
FRESH AIR
S
MART
Z
ONE
4X
ZS4X
2.0
ADJUST SETTINGS
STAT
TYPE
8E
HI TEMP
LO TEMP
SUPPLY
PURGE
DELAY
ECO
P
O
W
E
R
24V
24C
R
EC
Y
G
O/B
W
Z
O
N
E
2
S
T
A
T
R
C
Y
G
O/B
W
C
Z
O
N
E
3
S
T
A
T
R
C
Y
G
O/B
W
Z
O
N
E
4
S
T
A
T
/F
A
R
C
Y
G
O/B
W
Z
O
N
E
1
S
T
A
T
Z4-PO
COM
Z4-PC
D
A
M
P
E
R
4
57.8
VENT
OFF
AUTO
F
REE
C
OOL
O
FF
/A
UTO
SETPOINT
F
RESH
A
IR
O
UTDOOR
T
EMP
V
ENT
O
N
/O
FF
THERMOSTAT
.com
TAKE ADVANTAGE OF
CAPABILITIES BUILT-IN
SMARTZONE-4X WITH A
FRESH AIR DAMPER AND
ECONOMIZER “FRESH AIR”
THERMOSTAT.
BY AUTOMATICALLY
UTILIZING OUTSIDE AIR
INSTEAD OF
COMPRESSOR WHEN
ECONOMIZER INPUT IS
ENABLED, SAVE
EQUIPMENT RUN TIME
AND ENERGY.
USING OUTSIDE
AIR TEMPERATURE,
THE FRESH AIR
THERMOSTAT
WILL ENABLE
ECONOMIZER ON
SMARTZONE-4X
NOTE: A HUMIDITY OR ENTHALPY
SENSOR COULD ALSO BE USED
TO ENABLE ECONOMIZER.