Honeywell TrueSTEAM HM506 Installation Manual page 23

TrueSTEAM
GT
1
HVAC System
G C
OPTION 3: VisionPRO IAQ Wiring with
Fan Delay
• Follow this diagram if you are using
VisionPRO IAQ with TrueSTEAM's
fan-delay feature.
• The system fan will turn on when the water
temperature reaches 176°F (80°C).
z:L Set installer setup #0374 to 3.
R
GF
R
G
TrueSTEAM
HUM
HUM
1
iiili
Humidity Control
HVAC System
R
Y
OPTION 4: VisionPRO IAQ without
Fan Delay
• Follow this diagram if using VisionPRO
IAQ to turn system fan on immediately with
humidity call.
z:L Set installer setup #0374 to 1.
TrueSTEAM Humidification System 69-2285EF--01
21