Using The Correct Control Diagram - Honeywell TrueSTEAM HM506 Installation Manual

Using the Correct Control Diagram
Follow the diagram for control options 1 through 5 to wire the TrueSTEAM Refer to the installation manual
)rovided with the control for additional instructions if needed,
A R
C
Thermostat -_ W
y -',
G
TrueSTEAM
H8908
::_:d
HVAC System
OPTION 1: Dry=contact Mechanical
Humidistat Wiring
z_ Make sure that the thermostat used
isolates Y from G. All Honeywell Prestige,
VisionPRO IAQ, VisionPRO, and Focus Pro
thermostats do this.
A
A
Thermostat --_
G
TruelA( TrueSTEAM
R 24V
C 24V
HUM
HUM
C
W
Y
G
R
OPTION 2: TruelAQ Wiring
z£ Make sure that the thermostat used
isolates Y from G. All Honeywell Prestige,
VisionPRO IAQ, VisionPRO, and Focus Pro
thermostats do this.
For the TruelAQ Installer Setup, set ISU
#25 to 3.
HVAC System
2O TrueSTEAM Humidification System 69-2285EF--01