User Manual

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Siemens Industry, Inc.
149
-
215
2016-03-31
Features
Hardware
● Standard 24 Vac HVAC interface:
– Y1, Y2, G, W1, W2 and O/B
● Three selectable relay outputs
● Four configurable inputs:*
– Digital input
– Resistive temperature input
– 0 to 10V input
*Requires purchase of external sensor(s).
Control
● BTL-listed BACnet MS/TP.
● Fully-programmable 7-day, 2-, 4-, or 6-event occupancy scheduling function.
● Real-time clock retains time and date for up to 48 hours upon loss of input power.
● System configuration data is stored indefinitely upon loss of input power.
● Interlocks and timers specifically designed for equipment protection.
● Password protected installer set-up menu deters unauthorized changes.
● Programmable fan enables fresh air circulation when not in heating/cooling mode.
● Selectable lockout levels to minimize tampering with setpoints and schedule.
● Programmable service reminders for humidifier pad, UV lamp, and air filter.
General
● Separable back plate with wiring terminals and mounting holes configured to match most
conduit box configurations (screws and anchors included for drywall mounting).
● Thermostat secures to mounting base with screws to deter theft and vandalism.
● Designed for horizontal layout.
Applications
● Designed for light commercial HVAC systems with 24 Vac control circuitry.
● Compatible with forced air, hydronic and steam systems fired by gas, oil or electricity.
● Controls conventional systems with up to 3 stages heating and 3 stages cooling.
● Controls heat pumps with 1 or 2 compressors and up to 2-stage auxiliary heat.
● Built-in temperature and humidity sensor in addition to configurable inputs enables advanced
room controls based on humidity, CO
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, occupancy, remote or averaging temperature.
● Selectable relays enable control strategies for humidity/dehumidity control, ventilation,
economizer enable and occupancy notification.
Type summary
Part Number Description
RDY2000BN BACnet Commercial Thermostat
Accessories
Part Number Description
QAA2230.EWNN Remote Wall Mounted Sensor – Temperature Only
QFA32SS.EWNN Remote Wall Mounted Temperature and Humidity Sensor
QAM2030.010 Duct Mounted Temperature Sensor