Emerson 1HDEZ-1521 installation instructions Fan

Page 10

INSTALLATION

Installation

Wiring Guide for Equipment Accessories

Fig. 6 - System Dehumidification with variable speed blower. For systems where low speed requires connect to normally open 24V powered DHM terminal for low speed connection on air handler/furnace (24V removed on dehumidification call).

RH

 

 

 

DHM2

DHM

 

Low Speed

 

 

 

 

 

 

 

 

 

 

DHM2

 

Fan

DHM DRY

 

Fig. 7 - System Dehumidification with variable speed blower. For systems

where low speed requires system 24V on dehumidification connect 24V to DHM2 with DHM DRY switch in DHM2 position and connect DHM to low speed connection on air handler/ furnace.

R

RH

DHM2

DHM

Low Speed

C

DHM2

Fan

DHM DRY

 

Transformer

 

 

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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 Outdoor IndoorRev Valve HUM Found. Installation Failed Faults StatusUSB Upload Heat Pump Lockout outdoor sensor required Thermostat SummaryDual Fuel Setpoint outdoor sensor required Heat Cycle Rate Aux Lockout Temperature outdoor sensor requiredHumidity Display Adjust Cool Cycle RateInstallation Test Check System OperationMain Menu Clock and Display SettingsDisplay Settings Navigating through your thermostat menusOutdoor Temp Display Heating ProgramTime and Day Display Humidity DisplayCooling Program Thermostat SettingsFactory Pre-Programmed Heating and Cooling Schedule Main Menu Main Menu Main Menu Main Menu Troubleshooting Reset OperationTemperature Symptom Possible Cause Correction Action No CoolTemperature Display Adjust Heat, Cool or FanNumber Displayed 7 Segment LED Equipment Control Fault CodesSystem Communication Codes Page Part no -7343B
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