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THX9321/9421
Prestige
_ IAQ and RF ElM
Wiring
guide
-- |AQ equipment
(ElM
or thermostat)
"U" terminals
can be used
for humidification,
dehumidification
or ventilation.
Typicalhookup of powered humidifier.
MA
i2o
Typical hookup of powered ventilation.
MA
i2o
_
....................
M32396
Typicalhookup of powered dehumidifier
(whole house dehumidifier).
VA
i2o
VAC
......
VAq
Typical hookup of non-powered humidifier.
NON-PoWERED
I
M32394
Typical hookupof non-powered ventilation.
JUMPER
BETWEEN
R AND U1
24 MAC "_
Typical hookupof variable speed blower for
dehumidification in low speed.
/I',
A
DEHUMIDIFICATION I
WITH LOW SPEED FAN _
FIELD INSTALLED
JUMPER
BETWEEN
RAND U1
KEY
/'_
ANY
COMBINATION
OF UNIVERSAL
RELAYS
(U1,
U2, U3) CAN
BE USED.
THEY
ARE
SET
IN THE THERMOSTAT
INSTALLER
SETUP.
Z_
WIRE
THE THERMOSTAT
OR ElM UNIVERSAL
RELAY
TO THE
LOW SPEED
FAN FOR
DEHUMIDIFICATION
CONTROLAT
THE EQUIPMENT.
THE THERMOSTAT
OR ElM RELAY
CAN
BE SET
TO NORMALLY
OPEN
OR
"=-=1
NORMALLY
CLOSED
IN THE THERMOSTAT
INSTALLER
SETUP.
=.,L=
= NORMALLY
OPEN,
DRY
CONTACTS
__T
= NORMALLY
CLOSED,
DRY CONTACTS
M32954
15
69-2490--03

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