Install Instructions
APPENDICES
OPTION 11: Prestige IAQ or All New VisionPRO controlling Redlink wireless TrueSTEAM with zoning
NOTE: To get air humidity to all zones in idle mode you would need to jump the G on all zones being used and
verify that the thermostat does not have a Y/G interconnect. FocusPro, VisionPro, and Prestige models would work
for this application.
THM4000R
M32923A
WIRELESS
TrueSTEAM
HUMIDIFIER
THM5421R
R
C
W
W2
W3
Y
Y2
G
L
U3
U3
U2
U2
U1
U1
RC
RH
R
C
S2
S2
S1
S1
A
B
C
D
A
B
C
D
24 V
24 V
HUM
HUM
C
GT
R
RT
GF
EXT
R
C
HZ432
Thermostat
Thermostat
Equipment
HZ432
M1
M4
M6
R
C
W1/E
W2
W3
Y1
Y2
G
O/B
L
M1
M4
M6
Zone
DAMPER
Zone 1
DAMPER
M1
M4
M6
R
C
W1/E
W2
W3
Y1
Y2
G
O/B
L
RH
RC
W1/E
W2
W3
Y1
Y2
G
O
B
DS/BK
Zone 4
DAMPER
FURNACE
R
W
Y
G
C
THX9421R
6
543
2
ON
OFF
1
WIRELESS SETTINGS
TrueSTEAM Humidication System 69-2285—05
63
B: Advanced TrueSTEAM Wiring