Honeywell VNT5150E1000 Ventilation Hood User Manual


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Wiring(continued)
ERV/HRVVentilationSystems69-2480EF—01
22
Follow this diagram if using a
TrueIAQ (DG115EZIQ).
Follow this diagram
for Alternate Interlock
Wiring with Forced Air
System
TheERV/HRVisinterlockedwiththeforcedairsystemandisusedinconjunctionwitholder-style
thermostatswheretheGandYterminalsarecoupledtogetherinthethermostat(fanandcoolare
simultaneouslyenergized).
Thiswiringmethodwillpreventturningonthecoolingsystemwhentheventilatorturnsonthefurnacefan.
NOTE: OnlyusethiswiringmethodforsystemswhereGandYarecoupledatthethermostat.
OLDER -STYLE
THERMOSTAT
FAN (G) & COOL (Y)
ARE COUPLED
FORCED AIR SYSTEM
(FURNACE)
24-VOLT
TERMINAL BLOCK
FAN TIMER
OR OTHER
WALL
CONTROL
POWERED
VENTILATOR
M28992
C
Y
W
G
R
Y
W
G
R
M28993
VENT
VENT
DEHUM
DEHUM
TrueIAQ
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