The Unit Wired To A Dedicated Fan/Blower; The Unit Wired To A Humidistat In A Zoned Application; The Unit Wired To A Thermostat In A Zoned Application; Appendix B: Advanced Wiring - Honeywell TrueSTEAM Professional Installation Manual

truesteam wired to a dedicated fan/blower.
TrueSTEAM nozzle must be injected
into a dedicated duct box. Do not
leave nozzle exposed.
• Required 4 in. clearance from
nozzle to any duct surface.
• Required 24 in. open air space
downstream from nozzle.
• Install fan/blower on upstream
end of duct box.
• Install a grille on downstream
end of duct box.
truesteam wired to a humidistat in a zoned application.
1
OPTIONAL
AIR PROVING
SWITCH
C G
truesteam wired to a thermostat in a zoned application.
1
OPTIONAL
AIR PROVING
SWITCH
C
GF
C
G
R
R RH
W W1/E
Y Y1
HZ432
PANEL
2
1
R 24V
C 24V
HUM HUM
HUM HUM
1
2
R
C
HUM
HUM
C
GF
R
GT
G
R RH
W W1/E
Y Y1
HZ432
PANEL
2
GT
ZONE 1
G
R R
C C
W1 W
Y1 Y
G G
TrueSTEAM Humidification System

appendIx B: adVanced WIrInG

GF
2
OPTIONAL
AIR PROVING SWITCH
C C
R
20VA
TRANSFORMER
# AT120
IN TRUEIAQ INSTALLER SETUP, SET ISU #25 TO 3.
IF AIR PROVING SWITCH IS USED, SET TRUESTEAM DIP 4 DOWN AND DIP 5 UP.
24V
TrueIAQ
24V
HUM
3
HUM
1 IF AIR PROVING SWITCH IS USED,
SET TRUESTEAM DIP 4 DOWN AND DIP 5 UP.
CONNECT THE THERMOSTATS, DAMPERS, TRANFORMERS AND
2
SENSOR WIRES AS SHOWN IN THE TRUEZONE HZ432 PANEL
INSTRUCTIONS.
IN TRUEIAQ INSTALLER SETUP, SET ISU #25 TO 3.
3
VisionPRO IAQ
1
1
2
1
2
2
3
3
3
3
25
GENERAL PURPOSE
SPST RELAY
FAN / BLOWER
# R8222
MINIMUM 250 CFM
RED
C
BLACK
L1 120 VAC L2
M28715
IF AIR PROVING SWITCH IS USED, SET TRUESTEAM
DIP 4 DOWN AND DIP 5 UP.
CONNECT THE THERMOSTATS, DAMPERS,
TRANFORMERS AND SENSOR WIRES AS SHOWN
IN THE TRUEZONE HZ432 PANEL INSTRUCTIONS.
IN VISIONPRO IAQ INSTALLER SETUP, SET
ISU #0374 TO 3.
69-2285EFS—03
120 VAC
M28714
M28716