Installation Guide
69-2199—01 4
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
this terminal 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
M28024
SENSOR
DATS
DATS
8
Connect transformer as shown.
DEDICATED
TRANSFORMER
R
C
M24806
R
C
POWER
L1
(HOT)
L2
RH
RC
W1/E
W2
Y1
Y2
G
O
B
DS/BK
M28025
HVAC
FAN RELAY
24 VOLT TRANS.
G
Y
Y2
C
R
W
COMPRESSOR
RELAY
W2
EQUIPMENT
WIRING
Fig. 7
Fig. 8
Fig. 10
7
If using any wireless device, connect
the ABCD terminals for the wireless
interface module.
M28193
A
B
C
D
WIRELESS
ADAPTER
WIRELESS
CONNECT
POWER
THM4000R
CONNECTED
WIRELESS SETUP
Fig. 9
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