Product Installation Manual

69-2070—01 4
HZ432 TrueZONE
5 69-2070—01
The DS/BK terminal is used with a variable-speed fan.
Connect the DS, BK, ODD, or DHUM terminal on the
HVAC equipment to this terminal. When 1 zone is calling
(or 25% on systems with more than 4 zones) this termi-
nal will be de-energized of 24 VAC. This reduces blower
speed on most variable speed blowers.
Connect DATS as shown.
5
Connect equipment as shown.
6
C7735A1000
M24804
DATS
DATS
SENSOR
7
Connect transformer as shown.
DEDICATED
TRANSFORMER
R
C
M24806
R
C
POWER
L1
(HOT)
L2
RH
RC
W1/E
W2
W3
Y1
Y2
G
O
B
DS/BK
M24809
HVAC
FAN RELAY
24 VOLT TRANS.
G
Y
Y2
C
R
W
COMPRESSOR
RELAY
W2
EQUIPMENT
WIRING