ADVANCED INSTALLER MENU

Advanced Installer Menu

HUM

OFF – No humidifier equipment

SYS – Humidifier, powered using 24V from system

IND – Humidifier, powered using independent 24V source

DHM

OFF – No dehumidifier equipment

SYS – Dehumidifier, powered using 24V from system

IND – Dehumidifier, powered using independent 24V source

LEDs on the control indicate the thermostat configuration. Remove control cover to view LEDs. To view LEDs with cover installed, break off tab on inside of cover.

W/E

W2

Y

Y2

G

O/B

HM

DHM

LED Color

 

Orange

Green

 

Indoor

GAS

ELEC

W/E

 

 

W2

 

 

G

 

 

Outdoor

AC

HP

Y

 

 

Y2

 

 

Fig. 9 – LED locations

 

 

 

 

 

 

Humidification

HM2

RH

 

HM

 

 

 

 

 

 

 

Dehumification

DHM2

RH

 

DHM

 

 

 

 

 

 

 

Rev Valve

B

O

 

O/B

 

 

LED Off implies functionality is disabled at the thermostat

16LED flashing implies corresponding function is active

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Image 16
Emerson 1HDEZ-1521 installation instructions Hum