Honeywell Prestige THX9321 System Installation Manual page 15

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