F98EZ-1621 Emerson® Blue™ Wireless Easy Install™ Provides Wireless Control for up to 4 Heat/2 Cool Heat Pump Stages or up to 2 Heat/2 Cool Stages on Conventional Systems INSTALLATION INSTRUCTIONS FAILURE TO READ AND FOLLOW ALL INSTRUCTIONS CAREFULLY BEFORE INSTALLING OR OPERATING THIS CONTROL COULD CAUSE PERSONAL INJURY AND/OR PROPERTY DAMAGE.
INDEX ) Mount Return Air Sensor and Equipment Control Equipment Control Module Wiring to HVAC Equipment Install Batteries Installer Quick Reference Check System Operation Locate and Mount Comfort Interface View Wireless Devices Troubleshooting 3 4 5 5 6 7 8 8 10 APPLICATIONS ' % ( & Applications Single Stage Gas, Oil, Electric, Heat Only, Cool Only or Heat Cool Systems 1/1 Multi-Stage Gas, Oil, Electric, Heat Only, Cool Only or Heat Cool Sy
MOUNT RETURN AIR SENSOR AND EQUIPMENT CONTROL IMPORTANT - $ 0 1 3 Return Air ( 043(1 The RAS monitors temperature of the return air and is needed at all times for system operation. Mount Equipment Control Module on wall near HVAC equipment, or on the air handler. Do not install Equipment Control Module inside of the HVAC equipment.
EQUIPMENT CONTROL WIRING TO HVAC EQUIPMENT Status/Fault 7-Segment LED Return Air Duct Sensor Socket R and C from HVAC Terminal Strip or System Transformer Status LED Connect Push Button Switch Return Air Sensor (RAS) Required RC R RC RH C Connect LED Push Button Switch LED On/Off W/E W2 Y Y2 G O/B L HM HM2 DHM DHM2 W/E Y W2 G Y2 O/B **HM Switch **DHM Switch **To use the HVAC transformer to power humidification/dehumidification switch HM/DHM switches to “SYS” position: - Connect humidifier to HM
INSTALL BATTERIES Install batteries in the Comfort Interface. IMPORTANT Wireless communication for the Comfort Interface and ! " # the factory. It is not necessary to press the connect buttons at installation.
CONFIGURE COMFORT INTERFACE FOR SYSTEM 9 3 ' On the Home Screen Display, press and hold the Menu button for approximately 5 seconds to enter the Comfort Interface Options ! $ Menu button again for approximately 5 " Menu.
CHECK SYSTEM OPERATION < NOTE " $ $ $ <@3 Z Apply power to Equipment Control Module. Fan Operation If your system does not have a G terminal connection, skip to < ( section. 1. Press FAN button. Blower should turn on. 2. Press FAN button. The blower should stop immediately. 3.
LOCATE AND MOUNT COMFORT INTERFACE IMPORTANT 9 # ) $ 0$ 1 [@ Wireless Devices (see $ 1 \ # [; \ ? $ " 1.
@ 5 5 4 > (( - @ ( 3 Press the % button once, 4( 1 (Remote sensor) should be displayed if a remote sensor is installed. Press % ' * 4( 2, 4( 3, &4( 4 (outdoor), RAS. Equipment Control Module (Required) Remote Sensor 1 (if installed) Remote Sensor 2 (if installed) Outdoor Remote Sensor (if installed) 4 Remote Sensor 3 (if installed) Return Air Sensor (required) Press the Run button to return to Home screen.
TROUBLESHOOTING Reset Operation If a voltage spike or static discharge blanks out the display or causes erratic Comfort Interface operation, you can reset it by removing batteries for 2 minutes. After resetting it, replace the batteries and reset clock. If it still does not function correctly, press and and Fan button simultaneously. The Comfort Interface should go blank and then all segments will be displayed momentarily.
TROUBLESHOOTING 4 $ 5 - If the system does not operate or communicate properly using the previous troubleshooting page, follow the steps below. This procedure removes and reconnects all wireless devices in the system to assure communication. Remove Wireless Devices 1. At the Comfort Interface, press Menu button once. 2. Press the Connect button. 3. Press and release the % button until the display shows the device you want to delete, CTL, RS 1, RS 2, RS 3 or ORS.
TROUBLESHOOTING Note: This is only applicable for systems featuring 3 (or similar) technology. 3 TM $ " 3 ' ' 7 ( > - Status LED Description Comments = [)&5 4\ Module has power 4 [ 4 )\ ; 1. Compressor protector is open. Check high head pressure and compressor supply voltage. 2.
