Installation Instructions
Document No. 129-497
May 18, 2011
RDF Series Room Temperature
Controllers
Item Number 129-497, Rev. BA
Page 1 of 7
Product Description
Room Temperature Controllers with LCD for two-
pipe (with and without an electrical heater) and four-
pipe fan coil units.
Product Numbers
Part Number
Application
RDF10U
Two-pipe fan coil units
RDF20U
Two-pipe fan coil units with
electrical heater
RDF30U
Four-pipe fan coil units
RDF50.1U
Two-pipe fan coil units with 0 to 10
Vdc output
Required Tools
•
Small, flat-blade screwdriver
•
Wire
strippers
•
Electric
drill
Expected Installation Time
30 minutes
Accessories
•
141-570 Lockable Thermostat Guard
•
ARG70 Wall Plate Adapter
•
QAH11.1
Remote/Changeover
Sensor
Installation
Step 1. Loosen retaining screws.
Step 2. Remove controller housing.
Step 3. Mount base plate to wall
.
Step 4. Remove screw and open terminal cover.
