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Installation Guide
69-2285EFS—03 12
Follow this diagram if using VisionPRO IAQ
TM
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 IAQ
TM
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