Installation Guide
69-2285EFS—03 12

Follow this diagram if using VisionPRO IAQTM with TrueSTEAM’s fan-delay feature. The system fan will

turn on when the tank’s water temperature is 170°F.

BasIc WIrInG
M28691
C
Y
W
R
G
G
HUM
HUM
1
2
3
IN VISIONPRO IAQ INSTALLER SETUP,
SET ISU # 0374 TO 3.
1
1
R
GF
GT
HUM
HUM
1
2
3
DIP 4

Follow this diagram if using VisionPRO IAQTM to turn system fan on immediately with humidity call.

Visionpro Iaq™ Wiring
M28692
R
C
Y
W
G
HUM
HUM
HUM
HUM
1
2
3
1
2
3
IN VISIONPRO IAQ INSTALLER SETUP,
SET ISU # 0374 TO 1.
1
1
DIP 4