ADVANCED FEATURES
FRESH AIR CONTROL (IAQ)
SMARTZONE-4X CAN AUTOMATICALLY ENERGIZE FAN (G) AND
OPEN THE FRESH AIR DAMPER (ZONE 4) FOR A CONFIGURABLE
# MINUTES PER HOUR (FRESH AIR RUN TIME)
ASHRAE 62.2 NOTES
FRESH AIR CFM
Floor
Area
BEDROOMS
0-1
2-3
4-5
6-7
>7
< 1500
30
45
60
75
90
1501 - 3000
45
60
75
90
105
3001 - 4500
60
75
90
105
120
4501- 6000
75
90
105
120
135
6001 - 7500
90
105
120
135
150
>7500
105
120
135
150
165
[(TOTAL SQ. FT.)/100]
+ [(# OF B1) X 7.5 ]
1
DETERMINE THE FRESH AIR CFM TO COMPLY WITH ASHRAE 62.2 USING THE TABLE BELOW
OR THIS FORMULA:
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 TO THESE TERMINALS.
FRESH AIR RUN TIME
= 60 X
FRESH AIR CFM
MEASURED-CFM
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
FRESH AIR OPERATION
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
2
MEASURE THE CFM PROVIDED BY THE FRESH AIR DAMPER WITH AN ANEMOMETER
3
CALCULATE FRESH AIR RUN TIME AND SET THIS # AS DESCRIBED ABOVE IN STEP 4
FOR MORE INFORMATION
ABOUT ADVANCED FRESH
AIR ESPECIALLY ECONOMIZER
AND OTHER ACCESSORIES
SEE “SMARTZONE FRESH AIR
– ECONOMIZER GUIDE”
AVAILABLE AT ECOJAY.COM
SMARTZONE-4X VERSION 8E FIRMWARE ONLY
(OPTIONAL ACCESSORY
AVAILABLE -SEE BELOW)
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
PART # AFET