Honeywell prestige thx9421 Manual De Usuario
THX9321/9421 Prestige
®
IAQ and RF EIM
3
69-2490—03
MCR29241
MCR32386
Install thermostat
1
• THX9421: Mount the thermostat and wire to C and R terminals of the
Equipment Interface Module (EIM), or to a separate 24 volt transformer (not
provided).
provided).
• THX9321: Install and wire as above if using EIM. If not, see pages 13-15.
See pages 10-17 for detailed wiring guidelines
MCR32387
MCR32389
R
C
Y
Y2
G
L
W O/
B
W2 AUX1
W3 AUX2
Strip 1/4” insulation, then insert wires as shown.
Install Equipment Interface Module (if used)
2
[If no EIM is used, skip to Section 3.]
Use screws & anchors as appropriate for the mounting surface. Mount the EIM
near the HVAC equipment, or on the equipment itself.
Use screws & anchors as appropriate for the mounting surface. Mount the EIM
near the HVAC equipment, or on the equipment itself.
MCR32388
NOTE: If you install more than one thermostat and
EIM, the EIMs must be at least 2 feet apart.
EIM, the EIMs must be at least 2 feet apart.
If installing a
discharge/return air sensor, it must
be located between the IAQ equipment and the
heating/cooling equipment. The sensors must be
in air that is mixed well (away from a-coil/heat
exchanger). See page 7.
heating/cooling equipment. The sensors must be
in air that is mixed well (away from a-coil/heat
exchanger). See page 7.
When used with the EIM, the relays in the thermostat do not function.
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7/13/2011 1:41:48 PM