Siemens RDY2000BN Installation Instructions Manual

RDY2000BN BACnet Enabled
Commercial Room Thermostat
Figure 1. RDY2000BN Thermostat.
Product Information
The BACnet Enabled Commercial Room Thermostat
is designed for use with any Energy Management
System providing BACnet MS/TP communication.
Use Commercial Room Thermostat RDY2000BN for
stand-alone operations. Scan QR code on
thermostat rear housing for additional information.
Product Number
RDY2000BN
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 Pilot duty, 1A max. per output, 4A
Ratings max. total
MS/TP Load 1/8 (96 KΩ), internal network bias
Ambient Limitations
Operating
23°F to 122°F (-5°C to 50°C)
Temperature
Storage/Shipping
-13°F to 158°F (-25°C to 70°C)
Temperature
Relative Humidity Up to 95% (non-condensing)
Enclosure
Rating NEMA 1
NOTE:
The RDY2000BN is not battery-powered. It
requires 24 Vac power from the HVAC
equipment at terminals RH/RC and C.
Item Number 125-1009, Rev. BA
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Installation Instructions

Caution Notations
CAUTION:
WARNING:
Required Tools
•
No. 1 Phillips screwdriver
•
1/8" flat-blade screwdriver
•
Drill with 1/8" drill bit
Expected Installation Time
15 minutes
CAUTION:
The RDY2000BN 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
WARNING:
Turn off power to the HVAC equipment
before attempting to remove an existing
thermostat or install a new thermostat.
All work must be performed in accordance with the
applicable codes and standards.
•
Energy Management System Network Plan and
HVAC schematics are available.
•
MS/TP run to thermostat using 24 AWG Low
Capacitance 1.5 Twisted Shielded Pair cable.
Shield and reference terminator to be earth
grounded only at one point on network.
•
HVAC equipment connections run to thermostat
with 18 gauge thermostat wires.
•
Sensor connections run to thermostat with 22
gauge twisted pair cable or remote sensor
wiring. Do not exceed 164 ft (50 m).
Document No. 125-1009
February 10, 2020
Equipment damage or loss of
data may occur if you do not
follow the procedures as
specified.
Personal injury or loss of life
may occur if you do not follow
the procedures as specified.
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