Installation Guide
WiriNg
5
Connect DATS as shown.
6
Connect equipment as shown.
HVAC
24 VOLT TRANS.
C
R
W
W2
FAN RELAY
G
Y2
Y
COMPRESSOR
RELAY
7
Connect transformer as shown.
69-2070EFS—0
C7735A1000
RH
RC
W1/E
W2
W3
Y1
Y2
G
O
B
DS/BK
M24809
Fig. 8
L1
R
(HOT)
L2
C
DEDICATED
TRANSFORMER
DATS
DATS
M24804
Fig. 7
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.
R
C
M24806
Fig. 9