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™
Emerson Inspire
1HDEZ-1521
Installation Instructions
Thermostat/Interface
Equipment Control
TROUBLESHOOTING
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FAILURE TO READ AND FOLLOW ALL INSTRUCTIONS CAREFULL Y BEFORE INSTALLING OR OPERATING THIS CONTROL COULD CAUSE PERSONAL INJURY AND/OR PROPERTY DAMAGE. CAUTION ! To prevent electrical shock and/or equipment damage, disconnect electric power to system at main fuse or circuit breaker box until installation is complete. WARNING ! Thermostat installation and all components of the control system shall conform to Class II circuits per the NEC code. ATTENTION: MERCURY NOTICE This product does not c
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Applications and Specifi cations Confi guration Applications Maximum Options Stages Single Stage Gas, Oil, Electric, Heat Only, Cool Only or 1/1 Heat Cool Systems Multi Stage Gas, Oil, Electric, Heat Only, Cool Only or 2/2 Heat Cool Systems Heat Pump Single or Two Compressor Systems with up 4/2 to 2 Stages of Aux / Em Heat Heat Pump Single or Two Compressor Systems with up 4/2 to 2 Stages of Fossil fuel Heat with Dual Fuel Electrical Rating: Input-Hardwire .............................. 20
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INSTALLATION Installation Reduce installation time with a USB 1. Go to www.white-rodgers.com 2. Enter 1HDEZ-1521 in the Model Number Search fi eld 3. Select the link for the USB download tool and follow instructions Upload pre-confi gured thermostat settings for every job! Create custom messages for your rou- tine maintenance and service calls! 4
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Installation Equipment Control Mount on wall or exterior surface of HVAC equipment. Control has four mounting holes. Wall anchors and screws are provided for mounting on dry- wall. Drill 3/16" hole for drywall mounting. If mounting on equipment Do Not Mount inside HVAC equipment. Only mount on outside of HVAC equipment. Return Air Duct Supply Duct Equipment Control Module Gas Furnace Equipment 5 INSTALLATION
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INSTALLATION Installation Equipment Control Terminals Operation / Function R ................................................ 24 VAC Transformer RC .............................................. 24 VAC Cooling Transformer* RH ............................................. 24 VAC Heating Transformer* C ................................................ 24 V Transformer Common W/E ............................................ Heating Stage 1 HP Aux/Em Heat Stage 1 W2 .........................
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Installation LED push Wiring to button switch indoor/outdoor equipment Wiring to + W/E S W2 - Sensor Y Y2 G R and C from HVAC O/B L Wiring to R terminal strip or RC humidification RH system transformer C HM equipment HM2 Status/Fault 7-Segment LED R DHM 1 DHM2 2 Wiring to C Wiring to dehumidification Thermostat equipment DHM switch* RJ-11 Connection for HM switch* Configuration Plug-In tool * To use the HVAC transformer to power humidification/dehumidification switch HM/DHM switches
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INSTALLATION Installation Fig. 1 - Typical Connection of a Single Stage or Multi-Stage System * SYSTEM R RH RC C W/E W2 Y Y2 G O/B L Single 24 VAC 24 VAC 24 VAC Heat N/A Cool N/A Fan N/A System Stage Power Power for Power Monitor Heating for Cooling 24 VAC Multi 24 VAC 24 VAC 24 VAC Common Heat Heat Cool Cool Required Stage Power Power Power mode mode mode mode st nd st nd 1 2 1 2 stage stage stage stage NEUTRAL 120 VAC 24 VAC HOT *Factory installed jumper between RH and RC CLASS II Transformer
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Installation Wiring Guide for Equipment Accessories Fig. 3 - Humidifier. HM terminal provides system 24V on call for humidification HM DRY R HM Non-Powered RH HM2 Humidifier C HM2 Transformer Fig. 4 - Powered Humidifier. With HM DRY switch in HM2 position, HM and HM2 provide normally open dry contact for low voltage (24V) powered humidifier connection. HM DRY HM Non-Powered RH HM2 Humidifier HM2 Fig. 5 - Powered Dehumidifier. With DHM DRY switch in DHM2 position, DHM and DHM2 provide normally
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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). DHM RH DHM2 Low Speed Fan DHM2 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 D
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Installation Tabs Thermostat 1) Pull the thermostat off the base using tabs shown above. 2) Place base over wire hole in wall and mark mounting hole locations using base as a template. Drill mounting holes. 3) Fasten base snugly to wall using wall anchors and two mounting screws. Leveling is for appearance only and will not affect thermostat operation. 4) Connect wires to terminal block on base. IMPORTANT: Wiring from equipment control should correspond with wiring to thermostat. (see Fig
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INSTALLATION Data 1 Data 2 24 VAC (Common Installation LED push Fig. 8 - Thermostat and Equipment Control Wiring Wiring to button switch indoor/outdoor equipment + Wiring to W/E S W2 Sensor - Y Y2 G R and C from HVAC O/B L Wiring to R terminal strip or RC humidification RH system transformer C HM equipment HM2 Status/Fault 7-Segment LED R DHM 1 DHM2 2 Wiring to C Wiring to dehumidification Thermostat equipment DHM switch* Thermostat Base Equipment Control RJ-11 Connection for Configuratio
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Advanced Installer Menu From the Home screen press the and buttons at the same time for three seconds. Press Enter button to save any changes and display the previous menu or press Home to display the Home Screen. Items on the Advanced Installer Menu are: Communicating Devices – select system configuration options Fault Status – indicates equipment faults that have been detected USB Upload – select thermostat settings to be uploaded from a pre-loaded USB Thermostat Summary – i
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ADVANCED INSTALLER MENU Advanced Installer Menu Communicating Devices This menu item will list each piece of system equipment. Press button to select start Communicating Devices. Press button to select Equipment Control. Press button to select Setup. 14
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Advanced Installer Menu Use or to navigate and press button to select the equipment to be configured. Options for each type of equipment are the following: Indoor GA2 – 2 stage gas furnace GA1 – 1 stage gas furnace EL2 – 2 stage electric heat EL1 – 1 stage electric heat FAN – Indoor fan only Outdoor AC2 – 2 stage A/C unit AC1 – 1 stage A/C unit HP2 – 2 stage heat pump HP1 – 1 stage heat pump ACO – no outdoor equipment Rev Valve O – use if “O” wire is available (energize the reversing valve
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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
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Advanced Installer Menu Faults Status This menu item lists current equipment fault conditions. If no faults are detected, this screen will show nothing. (See “System Fault Codes” on page 28.) USB Upload The USB Upload menu displays a list of thermostat parameters that can be loaded to the thermostat from a USB memory device. If the USB port detects a USB memory device, this menu will automatically display. In the USB Upload menu, select the item to upload and press to mark the item
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ADVANCED INSTALLER MENU Advanced Installer Menu Thermostat Summary Indicates the thermostat’s software and version. Heat Pump Lockout (outdoor sensor required) Available only for heat pump systems with indoor electric heat. This feature disables the heat pump and turns on auxiliary heat below the selected outdoor temperature. The temperature range is from 5° to 50°F. Dual Fuel Setpoint (outdoor sensor required) If the heating system is a heat pump with auxiliary gas heat and the outdoor
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Advanced Installer Menu Aux Lockout Temperature (outdoor sensor required) Available for heat pump systems. This setting is the maximum outdoor temperature that is acceptable for auxiliary heat to be used. Heat Cycle Rate Anticipation for heat cycle can be adjusted. Default setting is Medium. If you wish to have longer heat cycles, change to Slow. For shorter heat cycles change to Fast. Cool Cycle Rate Anticipation for cool cycle can be adjusted. Default setting is Medium. If you wish to
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ADVANCED INSTALLER MENU Advanced Installer Menu Installation Test Performs an equipment test to verify proper installation and performance. Only operable on communicating systems with ClimateTalk™. Check System Operation Heating System 1. Press SYSTEM button until Heat is displayed. 2. Press to adjust thermostat setting 1° above room temperature. The heating system should begin to operate and the display will indicate Heat On. 3. If the heating system has additional stages, adjust the the
