Honeywell HM512W1005 Installation Manual page 23

1
TrueSTEAM
GT G
HUM
HUM
R
GF
1 2 3 4 5 6
On
Off
1
TrueSTEAM
HUM
HUM
1 2 3 4 5 6
On
Off
TrueSTEAM Humidification System 69-2285EF—01
Humidity Control
1 2 3
HVAC System
C
Y
W
R
G
Humidity Control
HVAC System
1 2 3
R
C
Y
W
G
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).
Set installer setup #0374 to 3.
1
M29624
OPTION 4: VisionPRO IAQ without
Fan Delay
• Follow this diagram if using VisionPRO
IAQ to turn system fan on immediately with
humidity call.
Set installer setup #0374 to 1.
1
M29625
21