Install Instructions

APPENDICES
OPTION 5: Prestige IAQ with fan delay
• Follow this diagram if you are using Prestige IAQ with TrueSTEAM’s fan-delay feature.
• The system fan will turn on when the water temperature reaches 176°F (80°C).
6
5
4
3
2
On
Off
1
AFS Monitor Recommended
M32918A
24V
24V
HUM
HUM
C
GT
R
RT
GF
EXT
TrueSTEAM
THX9421R
THM5421R
Prestige IAQ and TrueSTEAM with fan delay
C
W
W2
Y
R
G
AFS
Furnace
TrueSTEAM Humidication System 69-2285—05
58
B: Advanced TrueSTEAM Wiring