ERM5220R EQUIPMENT REMOTE MODULE
33-00205—01 6
Installation Checklist
MATERIALS SUPPLIED:
• ERM5220R
• Wall Anchors (x2) and Mounting Screws (x2)
• Extra Cover Screw (optional)
• Installation Instructions (33-00135EFS)
TOOLS NEEDED (NOT SUPPLIED):
• Drill
• Nut Driver Attachment for Drill
• Wire Stripper
• Small Flathead Screwdriver
• Phillips Screwdriver
• 120/240 V to 24 V Transformer (Furnace or Air-handler
transformer can be used if 2 wires are available to
outdoor unit)
Mounting ERM
3. Use two screws and wall anchors to attach the ERM to the exterior wall near the compressor. The location should be
at least 3 feet above ground and oriented with the two wire exits facing downward. See Figs. 6 and 7.
4. Attach cover and secure with bottom screw (Fig. 8).
Fig. 6. Mounting orientation.
Fig. 7. If mounting on lap siding,
allow space for the cover to be removed.
Fig. 8. Secure front cover.
M35671
ERM5220R
Equipment Remote Module
WITH REDLINK™ WIRELESS TECHNOLOGY
Table of Contents
About the ERM5220R 2
Installation Checklist 3
Terminal Designations 4
Installation 6
Checkout 12
Troubleshooting 14
Specifications 16
5 Year Warranty 18
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.
M35669
M35672
MCR35665
MOUNTING
SCREWS
CORRECT
Equipment Remote Module I ERM5000R
Compressor
Boiler
Connected
Connect
CONNECTED LED STATUS
Flashing: Device Connecting
Green: Device Connected
Red: Not Communicating
Compressor:
Jump J and R
Boiler:
Remove Jumper
J
R
C
Y1
Y2
T
O/B
T
D
L
S1
S1
INCORRECTINCORRECT
Equipment Remote Module I ERM5000R
Compressor
Boiler
Connected
Connect
CONNECTED LED STATUS
Flashing: Device Connecting
Green: Device Connected
Red: Not Communicating
Compressor:
Jump J and R
Boiler:
Remove Jumper
J
R
C
Y1
Y2
T
O
/B
T
D
L
S1
S1
Equipment Remote Module I ERM5000R
Compressor
Boiler
Connected
Connect
CONNECTED LED STATUS
Flashing: Device Connecting
Green: Device Connected
Red: Not Communicating
Compressor:
Jump J and R
Boiler:
Remove Jumper
J
R
C
Y1
Y
2
T
O/
B
T
D
L
S1
S1
M35666
MINIMUM
1/4 INCH GAP