Emerson 1HDEZ-1521 Thermostat User Manual


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16
ADVANCED
INSTALLER MENU
HUM
OFF – No humidier equipment
SYS – Humidier, powered using 24V from system
IND – Humidier, powered using independent 24V source
DHM
OFF – No dehumidier equipment
SYS – Dehumidier, powered using 24V from system
IND – Dehumidier, powered using independent 24V source
LEDs on the control indicate the thermostat conguration. Remove control
cover to view LEDs. To view LEDs with cover installed, break o tab on inside
of cover.
LED O implies functionality is disabled at the thermostat
LED ashing implies corresponding function is active
W/E
W2
Y
Y2
G
O/B
HM
DHM
RJ-11 Connection for
Configuration Plug-In tool
System
7-Segment
LED for Comfort
Alert and
Communication
Codes
Fig. 9 – LED locations
Indoor GAS ELEC
W/E
W2
G
Outdoor AC HP
Y
Y2
Humidication
HM2
RH
HM
LED Color
Orange Green
Rev Valve B O
O/B
Dehumication
DHM2
RH
DHM
Advanced Installer Menu
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