Product Installation Manual

69-2070—01 10
HZ432 TrueZONE
11 69-2070—01
The HZ432 TrueZONE panel contains an LED display that communicates system and
zone status. The LEDs indicate the following information.
OPERATION
M24798
HZ432
HEAT 1
HEAT 2
HEAT 3
COOL 1
COOL 2
PURGE
FAN
EM HEAT
ZONE 1
ZONE 2
ZONE 3
ZONE 4
EMERGENCY
HEAT
Much of this information, as well as configuration information, is listed on the label
on the inside of the HZ432 cover. For users who prefer French or Spanish labels,
they are provided in the 69-2070FS document. Cut them out and attach them to the
inside of the HZ432 cover.
Table 5. LED Operation.
LED Description
HEAT 1 Solid when in heat stage 1. Blinking when DATS high limit mode has been reached.
HEAT 2 Solid when in heat stage 2. Blinking when stage 2 locked out due to DATS or OT.
HEAT 3 Solid when in heat stage 3. Blinking when stage 3 locked out due to DATS or OT.
COOL 1 Solid when in cool stage 1. Blinking when DATS low limit mode has been reached.
COOL 2 Solid when in cool stage 2. Blinking when stage 2 locked out due to DATS.
PURGE Solid when in purge (at power-up and after a call for heat or cool). Blinking when the DATS sen-
sor has failed, or the wires are shorted or open. Will blink for 3 minutes at power-up if DATS is not
present.
FAN Solid with a call for fan only.
EM HEAT Solid when in emergency heat mode. This light does not indicate a call for heat. Emergency heat
will only run when both HEAT and EM HEAT are lit.
ZONE 1, 2,
3, 4
Solid green when open or opening. Solid red when closed or closing. Blinking amber when there is
a damper or thermostat short circuit (circuit breaker trip).