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ERM5220R
Equipment Remote Module
WITH REDLINK™ WIRELESS TECHNOLOGY
CAUTION
Read these installation instructions completely
and follow them carefully.
Installation must be performed by a qualified
service technician and must comply with local
codes.
Disconnect power to all relevant devices before
installing or servicing the ERM.
Failure to connect the device according to these
instructions may result in damage to the device,
the controls, and/or personal injury.
Specifications ...............................................................................
Compatible Products .................................................................
Model Numbers ...........................................................................
Buttons, LEDs and Terminals .................................................
Terminal Designations ..............................................................
Installation Checklist .................................................................
Mounting ERM .............................................................................
Installation and Wiring ......................................................... 7-13
Linking ERM to a new thermostat. ....................................... 14
Linking ERM to an existing thermostat. ............................ 16
Checkout ......................................................................................... 18
Operation ........................................................................................ 19
Troubleshooting ........................................................................... 20
Frequently Asked Questions ................................................... 27
Outdoor Sensor ............................................................................ 28
5 Year Warranty ............................................................................ 30
About the ERM5220R
FEATURES
• Wireless RedLink™ communication between
condensing unit/compressor or boiler and thermostat.
• Eliminates the need to run additional wires to your
outdoor condenser, multistage compressor, heat pump
or dual fuel applications, or if original wiring has been
damaged, or equipment has been relocated.
• Suitable for outdoor use.
• Temperature sensor terminals for outdoor temp
sensors or indoor freeze protection.
• LEDs for easy installation checkout.
• May reduce damage to homes since wiring/drilling is
eliminated.
Contents
2
3
3
4
5
6
6
PRODUCT DATA
THERMOSTAT
ERM
BOILER
Fig. 1.
ERM
WIRE
CONDENSING
UNIT
MCR35654
33-00205-01
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Table of Contents
Related Manuals for Honeywell REDLINK ERM5220R
Summary of Contents for Honeywell REDLINK ERM5220R
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Page 1: Table Of Contents
ERM5220R Equipment Remote Module WITH REDLINK™ WIRELESS TECHNOLOGY PRODUCT DATA About the ERM5220R THERMOSTAT WIRE CONDENSING UNIT BOILER CAUTION MCR35654 Read these installation instructions completely Fig. 1. and follow them carefully. Installation must be performed by a qualified FEATURES service technician and must comply with local codes. -
Page 2: Specifications
TRADELINE® Catalog or price sheets for complete ordering number. If you have additional questions, need further information, or would like to comment on our products or services, please write or phone: 1. Your local Honeywell Environmental and Combustion Controls Sales Office (check white pages of your phone directory). -
Page 3: Compatible Products
• 2.0 or later versions of Prestige IAQ and RedLINK Vision-PRO thermostats can be used if you update the software on the thermostat. • The software update page is https://thermostatsetup.honeywell.com/en-US/SoftwareUpdates/Pages/default.aspx This page has updates for both Prestige IAQ and RedLINK VisionPRO. Prestige is updated via USB stick; VisionPRO is updated via microSD card. -
Page 4: Buttons, Leds And Terminals
ERM5220R EQUIPMENT REMOTE MODULE BUTTONS, LEDS AND TERMINALS CONNECT BUTTON: PRESS/RELEASE ONE TIME TO LINK TO A COMPATIBLE RedLINK THERMOSTAT WHILE THERMOSTAT IS IN THE “ADD DEVICE” MODE. PRESS/HOLD TO UNLINK THE ERM5220R FROM THE THERMOSTAT IT HAS PREVIOUSLY BEEN LINKED TO. -
Page 5: Terminal Designations
ERM5220R EQUIPMENT REMOTE MODULE TERMINAL DESIGNATIONS FOR COMPRESSOR TERMINAL DESIGNATIONS FOR BOILER TERMINALS FOR 10K OHM TEMPERATURE SENSOR. CAN BE USED TERMINALS FOR 10K OHM TEMPERATURE SENSOR. CAN BE USED TO SENSE OUTDOOR TEMPERATURE WHICH WILL BE DISPLAYED FOR FREEZE PROTECTION IN THE CASE OF THE THERMOSTAT ON A COMPATIBLE RedLINK THERMOSTAT. -
Page 6: Installation Checklist
ERM5220R EQUIPMENT REMOTE MODULE Installation Checklist MATERIALS SUPPLIED: TOOLS NEEDED (NOT SUPPLIED): ERM5220R Equipment Remote Module WITH REDLINK™ WIRELESS TECHNOLOGY INSTALL GUIDE Table of Contents About the ERM5220R Installation Checklist Terminal Designations Installation Checkout Troubleshooting Specifications 5 Year Warranty CAUTION Read these installation instructions completely and follow them carefully. -
Page 7: Installation And Wiring
ERM5220R EQUIPMENT REMOTE MODULE INSTALLATION IMPORTANT • The ERM is not compatible with forced air zone boards (see the FAQ on page 27 for details). • To ensure that the ERM will receive a wireless signal at the desired installation location: (a) Do not mount the ERM in a metal box. - Page 8 ERM5220R EQUIPMENT REMOTE MODULE WIRING DIAGRAMS ERM5220R FOR COMPRESSOR: JUMPER USES J AND R LOW VOLTAGE TRANSFORMER C7089U1006 WIRED OUTDOOR SENSOR (OPTIONAL) OUTDOOR UNIT CONVENTIONAL SYSTEM THERMOSTAT SUBBASE (OR EIM) AUX/E FURNACE WIRE TRANSFORMER PRIMARY TO APPROPRIATE 120, 208, OR 240 VOLTAGE POWER SUPPLY AT OUTDOOR UNIT. TRANSFORMER NOT NECESSARY IF THERE ARE TWO WIRES AVAILABLE FROM R AND C ON INDOOR UNIT TO R AND C ON ERM.
- Page 9 ERM5220R EQUIPMENT REMOTE MODULE ERM5220R FOR COMPRESSOR: JUMPER USES J AND R C7089U1006 WIRED OUTDOOR SENSOR (OPTIONAL) LOW VOLTAGE TRANSFORMER HEATPUMP HEATPUMP WITH ELECTRIC BACKUP DUAL FUEL THERMOSTAT SUBBASE (OR EIM) THERMOSTAT SUBBASE (OR EIM) AUX/E AUX/E AIR HANDLER OR FURNACE FURNACE WIRE TRANSFORMER PRIMARY TO APPROPRIATE 120, 208, OR 240 VOLTAGE POWER SUPPLY AT OUTDOOR UNIT.
- Page 10 ERM5220R EQUIPMENT REMOTE MODULE ERM5220R O /B FOR BOILER: REMOVE JUMPER FROM R TO J C7189U1005 WIRED INDOOR T (R) T (W) SENSOR (OPTIONAL) LOW VOLTAGE TRANSFORMER BOILER AQUASTAT WIRING AT THERMOSTAT IF CUSTOMER ALSO HAS FORCED AIR COOLING OR A HYDRO-AIR APPLICATION (NOT REQUIRED ON HEAT ONLY APPLICATIONS) THERMOSTAT SUBBASE (OR EIM) AIR HANDLER WIRE TRANSFORMER PRIMARY TO APPROPRIATE 120, 208, OR 240 VOLTAGE POWER SUPPLY.
- Page 11 O /B FOR BOILER: REMOVE JUMPER FROM R TO J C7189U1005 WIRED INDOOR SENSOR (OPTIONAL) LOW VOLTAGE TRANSFORMER HONEYWELL VALVE WITH END-SWITCH END-SWITCH PICTURED T (R) T (W) BOILER AQUASTAT WIRING AT THERMOSTAT IF CUSTOMER ALSO HAS FORCED AIR COOLING OR A HYDRO-AIR APPLICATION (NOT REQUIRED ON HEAT ONLY APPLICATIONS)
- Page 12 REMOVE JUMPER WIRE FROM J TO R. ADD JUMPER FROM R TO ONE OF THE T TERMINALS ON ERM AS SHOWN. ERM DOES NOT USE Y FOR HOT WATER VALVE. HONEYWELL R8222B1067 OR EQUIVALENT ISOLATION RELAY REQUIRED. INDOOR SENSOR IS OPTIONAL. IF USED ON THIS APPLICATION IT ALLOWS THE ERM TO DO FREEZE PROTECTION CONTROL IF COMMUNICATION IS LOST WITH THE THERMOSTAT.
- Page 13 ERM5220R EQUIPMENT REMOTE MODULE ERM5220R O /B FOR BOILER: REMOVE JUMPER FROM R TO J C7189U1005 WIRED INDOOR SENSOR (OPTIONAL) LOW VOLTAGE TRANSFORMER T(R) T(R) T(W) T(W) T(R) T(W) ZONE 1 ZONE 2 ZONE 3 HOT WATER RELAY PANEL WIRING AT THERMOSTAT IF CUSTOMER ALSO HAS FORCED AIR COOLING OR A HYDRO-AIR APPLICATION (NOT REQUIRED ON HEAT ONLY APPLICATIONS) THERMOSTAT SUBBASE (OR EIM) AIR HANDLER WIRE TRANSFORMER PRIMARY TO APPROPRIATE 120, 208, OR 240 VOLTAGE POWER SUPPLY.
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Page 14: Linking Erm To A New Thermostat
ERM5220R EQUIPMENT REMOTE MODULE LINKING ERM5220R TO A NEW COMPATIBLE THERMOSTAT. NOTE: If thermostat setup had already been done but ERM5220R had not been linked to the thermostat, see page 16. 1. Verify thermostat model and manufacture date are compatible with ERM (should say compatible with ERM on packaging). - Page 15 ERM5220R EQUIPMENT REMOTE MODULE 12. Press/release the “Connect” button on the ERM5220R. After releasing the button, the Connected LED should flash green and then turn solid green. Compressor Compressor Boiler Connect Boiler Connect Connected Connected MCR35661 MCR35662 13. Back at thermostat, display will indicate that the 14.
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Page 16: Linking Erm To An Existing Thermostat
ERM5220R EQUIPMENT REMOTE MODULE LINKING ERM5220R TO AN EXISTING COMPATIBLE THERMOSTAT. Verify thermostat model and manufacture date are compatible with ERM. Information about compatible models of thermostat and EIM is on page 3. 1. Turn on power. Once power is connected, the “Compressor” (or “Boiler”) LED should illuminate green. Compressor Compressor Boiler... - Page 17 ERM5220R EQUIPMENT REMOTE MODULE 10. Scroll down until “Remove Device” is highlighted. 11. Scroll down until “Equip Rem. Module” is selected. Press “Select”. And press “Select”. Display says “Remove Equip. Rem. Module?” Select “Yes”. 12. Scroll up or down until “Add Device” is highlighted in 13.
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Page 18: Checkout
ERM5220R EQUIPMENT REMOTE MODULE Checkout 1. Verify power is on to the compressor or boiler as well as your RedLINK thermostat and ERM. 2. If testing ERM for heat, switch thermostat to heat and raise set-point above room temperature. If testing ERM for cooling, switch thermostat to cool and lower set-point below room temperature. -
Page 19: Operation
ERM5220R EQUIPMENT REMOTE MODULE OPERATION ERM USED FOR OUTDOOR UNIT: CALL FOR COOLING 1. Thermostat is set to cool or auto mode. Cool set-point is below room temperature. 2. Thermostat will show “cool on” in the display. (the display may show “waiting for equipment” if the minimum com- pressor off delay has not expired prior to the call for cool. -
Page 20: Troubleshooting
ERM5220R EQUIPMENT REMOTE MODULE TROUBLESHOOTING Symptom Possible Cause Action Connected LED is Loss of communication to thermostat. Check If thermostat display is blank, check power at thermostat display to see if it is blank or shows thermostat subbase. R and C on THX9421R models. Rc error codes. - Page 21 ERM5220R EQUIPMENT REMOTE MODULE UNABLE TO LINK ERM TO THERMOSTAT IF IT IS A NEW THERMOSTAT AND ERM, SEE PAGE 14. IF IT IS AN EXISTING THERMOSTAT OR EIM SEE PAGE 16. IF YOU FOLLOWED THE STEPS ON THOSE PAGES AND ARE STILL HAVING ISSUES, CONTINUE WITH THIS FLOW CHART. VERIFY IT IS USED WITH COMPATIBLE EQUIPMENT.
- Page 22 ERM5220R EQUIPMENT REMOTE MODULE BOILER DOES NOT RUN WITH A CALL FOR HEAT FROM THERMOSTAT IS THE BOILER LED LIT ON THE ERM5220R IS THE COMPRESSOR LED LIT ON THE ERM5220R? IS THE LED ABOVE THE O/B/T TERMINAL LIT GREEN ON THE ERM5220R? (NOTE, THE LED OVER Y2/T WILL NOT BE LIT WITH A CALL FOR BOILER HEAT) REMOVE THE R TO J JUMPER ON ERM...
- Page 23 ERM5220R EQUIPMENT REMOTE MODULE OUTDOOR UNIT STAGE 1 DOES NOT RUN WITH A CALL FOR COOLING L LED IS LIT. L LED IS NOT LIT. THE COMPRESSOR FAULT MONITOR ON THE HEAT PUMP HAS DETERMINED SOMETHING IS WRONG WITH THE COMPRESSOR. IS THE COMPRESSOR LED LIT ON THE ERM5220R? IS THE BOILER LED LIT ON THE ERM5220R? IS THE LED ABOVE THE Y TERMINAL LIT...
- Page 24 ERM5220R EQUIPMENT REMOTE MODULE OUTDOOR UNIT STAGE 1 DOES NOT RUN WITH A CALL FOR HEAT (HEAT PUMP APPLICATIONS) L LED IS LIT. D LED IS LIT. NEITHER D NOR L LED IS LIT. THE COMPRESSOR FAULT MONITOR ON HEATPUMP IS IN DEFROST MODE. A MESSAGE IS SENT YOUR HEAT PUMP HAS DETERMINED FROM ERM TO THERMOSTAT.
- Page 25 ERM5220R EQUIPMENT REMOTE MODULE HEAT RUNS WITH A CALL FOR COOLING (HEATPUMP) IS THE COMPRESSOR LED LIT ON THE ERM5220R? IS THE BOILER LED LIT ON THE ERM5220R? IS THE LED ABOVE THE Y TERMINAL LIT GREEN ON THE ERM5220R? ADD THE R TO J JUMPER ON ERM FOR HEATPUMP APPLICATIONS.
- Page 26 ERM5220R EQUIPMENT REMOTE MODULE COOLING RUNS WITH A CALL FOR HEAT (HEAPUMP). IS THE COMPRESSOR LED LIT ON THE ERM5220R? IS THE BOILER LED LIT ON THE ERM5220R? IS THE LED ABOVE THE Y TERMINAL LIT GREEN ON THE ERM5220R? ADD THE R TO J JUMPER ON ERM FOR HEATPUMP APPLICATIONS.
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Page 27: Frequently Asked Questions
ERM5220R EQUIPMENT REMOTE MODULE FREQUENTLY ASKED QUESTIONS Q: Do I need an EIM (equipment Interface module) when using an ERM (Equipment remote module)? A: It depends- • If you are using a Prestige IAQ with ERM, the EIM is always required. For a heat-only application, use the EIM only (no ERM). -
Page 28: Outdoor Sensor
ERM5220R EQUIPMENT REMOTE MODULE C7089U1006 WIRED Table 4. Sensor Resistance at Outdoor Temperature OUTDOOR SENSOR Outdoor Temperature °F °C Ohms of Resistance 23613 Resistance scale 22537 (Used with C7089U outdoor sensor and C7189U indoor 21516 sensor) 20546 Table 4. Sensor Resistance at Outdoor Temperature . 19626 18754 Outdoor Temperature... - Page 29 ERM5220R EQUIPMENT REMOTE MODULE NOTE: Never wire the same sensor in parallel to two CAUTION devices. If there are two units with separate ERM5220R modules, each would need a separate Electrical Interference (Noise) Hazard. sensor. Can cause erratic system operation.Keep wiring at least one foot away from large inductive loads such Location and Mounting as motors, line starters, lighting ballasts and large...
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Page 30: Year Warranty
Valley, MN 55422, or whether a replacement product can be sent to you. This warranty does not cover removal or reinstallation costs. This warranty shall not apply if it is shown by Honeywell that the defect was caused by damage which occurred while the product was in the possession of a consumer. - Page 31 ERM5220R EQUIPMENT REMOTE MODULE 33-00205—01...
- Page 32 ERM5220R EQUIPMENT REMOTE MODULE Automation and Control Solutions Honeywell International Inc. 1985 Douglas Drive North ® U.S. Registered Trademark Golden Valley, MN 55422 © 2016 Honeywell International Inc. 33-00205—01 M.S. 05-16 customer.honeywell.com Printed in United States...