Wiring Diagrams By System Type; Inserting Wires In Thermostat Terminal Block; Inserting Wires In Eim Terminal Block; Zoning Diagrams By System Type - Honeywell THX9321 Prestige 2.0 Product Data

Table 15. Wiring Diagrams by System Type.
System Type
Standard Heat/Cool
Heat Pump with Auxiliary Heat
Geothermal radiant heat
Heat pump system with one transformer
2-heat / 2-cool conventional system with
one transformer
Heat pump system with two transformers 324
Geothermal radiant heat, geothermal
forced-air and backup heat with one
transformer
Heat pump with oil forced air backup.
Geothermal radiant heat with geothermal
forced air and backup heat using separate
transformer for the radiant heat
Wood stove-fired hot water fan coil with
forced air furnace backup heat
Hot water radiant heat with backup heat
(single zone application)
Hot water radiant heat with backup forced
air heat. Zoned with forced air zone panel
and zone valves
Hot water radiant heat with backup forced
air heat. Zoned with forced air zone panel
and hot water panel.
Hot water fan coil with forced air furnace
backup heat.
Wood stove with heat pump and backup
electric strips. (For applications in which
the thermostat only needs to run the
blower fan when stove is hot).
IAQ Equipment
Wired Remote Sensors
Table 16. Zoning Diagrams by System Type.
System Type
Prestige IAQ thermostats with an HZ432
zone panel and no IAQ control
Prestige IAQ controlling one zone with an
HZ432 zone panel and a TrueSTEAM
humidifier
Ventilation with zoning
Prestige IAQ with an HZ432 zone panel
and a TrueDRY dehumidifier
THX9321 PRESTIGE
Wiring Diagram
Reference
319
320
321
322
323
325
331
332
Fig. 317. Inserting wires in thermostat terminal block.
333
334
335
336
337
338
339–344
350–354
IMPORTANT
Wiring Diagram
Reference
355
356
357
358
137
®
2.0 AND THX9421 PRESTIGE
Wallplate
Fig. 318. Inserting wires in EIM terminal block
Use 18–22 gauge thermostat wire.
®
IAQ WITH EIM
68-0311—02