System Installation Guide
14
69-2688—11 I/O-CHTSTAT03
Wiring humidifier to the IFC
Wiring TrueEASE to IFC
Wiring TrueSTEAM to IFC
To change installer setup (ISU) information, see pages 12-13.
IFC
1
2
R
C
THERMOSTAT
1
2
R
C
HUM
HUM
1. WIRE THERMOSTAT AND TrueSTEAM AS SHOWN.
2. SET THERMOSTAT ISU 8000 TO “STEAM”.
3. SET TrueSTEAM DIP SWITCHES AS SHOWN (3 DOWN, 4 UP, 5 DOWN).
NOTE
FAN INTERLOCK IS HANDLED BY THE COMFORTNET COMMUNICATION.
TrueSTEAM DIP SWITCHES
TRUESTEAM
MCR33172
24 V
24 V
HUM
HUM
C
GT
R
RT
GF
EXT
6
5
43
2
ON
OFF
1
IFC
1
2
R
C
THERMOSTAT
1
2
R
C
HUM
HUM
1. WIRE THERMOSTAT AND TrueEASE AS SHOWN.
2. SET THERMOSTAT ISU 8000 TO “BYPASS OR FAN POWERED”.
3. SET TrueEASE DIP SWITCHES AS SHOWN :
• TOP DIP SWITCH – SET TO THE RIGHT
• BOTTOM DIP SWITCH – SET TO THE LEFT
NOTE
FAN INTERLOCK IS HANDLED BY THE COMFORTNET COMMUNICATION.
MCR33173
TrueEASE DIP SWITCHES
BYPASS
HUM
CONTROL
FAN
POWERED
TrueEASE
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