Install Instructions
Table Of Contents
- About the ERM5220R
- Installation Checklist
- Terminal Designations
- Installation
- Troubleshooting
- Specifications
- Separable Parts
- FCC Regulations
- IC Regulations
- FCC Warning
- 5 Year Warranty
- Installation
- Dépannage
- Caractéristiques
- Pièces Séparables
- Règlements de la FCC
- Réglementation IC
- Avertissement de la FCC
- Garantie de 5 ans
- Instalación
- Localización y solución de problemas
- Especificaciones
- Partes Separables
- Regulaciones de la FCC
- Regulaciones IC
- Advertencia de la FCC
- Garantía de 5 Años
33-00135EFS—09 2
About the ERM5220R
Fig. 1.
• Wireless RedLink™ communication between condensing unit/
compressor or boiler and thermostat.
• Eliminates the need to run additional wires to your equipment, for
example, during a heat pump upgrade.
• 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.
NOTE: The ERM5220R is compatible with updated
models THX9421R5021, TH8321R1001,
TH8320R1003, and TH8110R1008.
THM5421R1021 EIM is also required with
THX9421R5021. Optional with other models.
MCR35654
ERM
WIRE
CONDENSING
UNIT
THERMOSTAT
ERM
BOILER
33-00135EFS_E.book Page 2 Tuesday, February 18, 2020 3:52 PM