Installation Instructions
Document No. 129-905
March 26, 2015
RDY2000 Commercial
Room Thermostat
Item Number 129-905, Rev. EA
Page 1 of 18
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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.
b. Secure the base plate to the mounting
surface using supplied hardware.
