User Manual
Installation Instructions
Document No. 129-905
February 6, 2018
Spanish Version
RDY2000 Commercial
Room Thermostat
Item Number 129-905, Rev. GA Page 1 of 18
Para accede al documento en Español, escanee el código QR que se encuentra en la parte trasera del termostato.
Figure 1. RDY2000 Thermostat.
Product Specifications
System Compatibility
Conventional Up to 3 Heating/3 Cooling stages
Heat Pumps Up to 4 Heating/2 Cooling stages
Electrical Characteristics
Power Supply 24 Vac +/-20%, Class 2, 4A max.
Power Usage 4 VA (maximum)
Output Relay
Ratings
Pilot duty, 1A max. per output, 4A
max total
Ambient Limitations
Operating
Temperature
23°F to 122°F (-5°C to 50°C)
Storage/Shipping
Temperature
-13°F to 158°F (-25°C to 70°C)
Relative Humidity Up to 95% (non-condensing)
Enclosure
Rating NEMA 1
NOTE: The RDY2000 is not battery-powered. It
requires 24 Vac power from the HVAC
equipment at terminals RH/RC and C.
Product Number
RDY2000
Caution Notations
CAUTION:
Equipment damage or loss of
data may occur if you do not
follow the procedures as
specified.
Required Tools
• No. 1 Phillips screwdriver
• 1/8” flat-blade screwdriver
• Drill with 1/8" drill bit
Expected Installation Time
15 minutes
CAUTION:
The RDY2000 is an advanced controller
designed to be installed by professional
HVAC technicians. Installation by non-
qualified personnel may result in degraded
system efficiency, occupant discomfort, or
equipment damage.
Prerequisites
• All work must be performed in accordance
with applicable codes and standards.
• Use 18 gauge thermostat wire for equipment
connections.
• 22 gauge shielded cable is recommended
for remote sensor wiring. Do not exceed 150
feet.
• To replace an existing thermostat, verify if
24 Vac is present between the RH/RC and
C terminals.
• Turn off power to the HVAC equipment
before attempting to remove the existing
thermostat.
• Record wiring connections to existing
thermostat terminals.
• Remove the existing thermostat before
proceeding.
Installation
1. Install the thermostat base plate.
a. Feed the existing wires through the opening
in the base plate.