Emerson 1HDEZ-1521 installation instructions Power System, Thermostat and Equipment Control Wiring

Page 12

INSTALLATION

Installation

Fig. 8 - Thermostat and Equipment Control Wiring

+

W/E

S

W2

-

Y

 

Y2

 

G

 

O/B

R

L

 

RC

 

RH

HM

C

 

HM2

R

DHM

1

DHM2

2

C

 

Thermostat Base

1

Data 1

 

 

Data 2

2

 

C

 

 

VAC

R

24

 

(Hot)

 

Thermostat

Equipment Control

 

 

R

 

 

 

 

 

1

24

VAC (Common

2

 

C

 

 

 

 

 

Equipment Control

Power System

Turn on AC power to the system. As the equipment module is found, the display will show “Equipment Control” found.

If the system continues searching after a couple of minutes, check system wiring.

12

Image 12
Contents Emerson Inspire Index Applications and Specifications Configuration Applications Maximum Options StagesInstallation Equipment Control Equipment Control Terminals Operation / Function HM2Wiring to Typical Connection of a Single Stage or Multi-Stage System Wiring Guide for Equipment Accessories Fan Thermostat Power System Thermostat and Equipment Control WiringAdvanced Installer Menu Items on the Advanced Installer Menu areCommunicating Devices Communicating DevicesEquipment Control Indoor OutdoorRev Valve HUM Faults Status Found. Installation FailedUSB Upload Thermostat Summary Heat Pump Lockout outdoor sensor requiredDual Fuel Setpoint outdoor sensor required Aux Lockout Temperature outdoor sensor required Humidity Display AdjustHeat Cycle Rate Cool Cycle RateInstallation Test Check System OperationClock and Display Settings Display SettingsMain Menu Navigating through your thermostat menusHeating Program Time and Day DisplayOutdoor Temp Display Humidity DisplayThermostat Settings Cooling ProgramFactory Pre-Programmed Heating and Cooling Schedule Main Menu Main Menu Main Menu Main Menu Troubleshooting Reset OperationSymptom Possible Cause Correction Action No Cool Temperature Display AdjustTemperature Heat, Cool or FanEquipment Control Fault Codes Number Displayed 7 Segment LEDSystem Communication Codes Page Part no -7343B
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