Terminal Description; Wiring - Honeywell TRUDRY DR90 Professional Installation Manual

Terminal Description

CAuTIOn: low voltage hazard.
Can cause equipment damage.
Disconnect hVAC equipment before beginning installation.

Wiring

Wire the TrueDRY DR90 according to the diagram that applies to your desired opera-
tion.
Follow this diagram if using the
Prestige™ thermostat.
TrueDry DR90 Dehumidification System
R
W
W2
Y
Y2
G
K
NOTE: THERMOSTAT MUST BE CONFIGURED TO DRIVE FURNACE FAN
DURING DEHUMIDIFICATION CALL.
69-2407—01
*
nOTE: The outer screws on the terminal block
secure the block to the chassis. They are not
used for wiring.
A wiring terminal block is located on the side
panel of the TrueDRY unit.
The four terminals for the terminal block (reading
from left to right in the photo) are:
DHUM: Compressor and fan operation for
dehumidification
R: DR90 24V output
FAN: Fan activation only for ventilation
C: DR90 24V output
External 24V devices can be powered from R and
C terminals (20VA max.)
HVAC
C W Y G
C
Rc
R
H
H
DH
THERMOSTAT
DH
DHUM R FAN C
TrueDRY
M29839
7