SPECIFICATION SUBMITTAL Page
Job Name:
Job Number:
Model Numbers:
LR-HVAC-230-S
369813a 2 07.02.15
LutronR Room Thermostat
Specifications
Power supply
• Rated voltage: 230 V ~
• Frequency: 50/60 Hz
• Power consumption: Maximum 7 VA / 3.7 W
• Standby power consumption: < 0.5 W
Outputs
• Fan control Q1, Q2, Q3-N: 230 V ~
– Rating: Max. 5 A inductive, 2 A resistive
• Control output Y11-N / Y21-N (N.O.): 230 V ~
– Rating: Max. 5 A inductive, 2 A resistive
Inputs
• Two multifunctional inputs X1 and X2
– Temperature sensor input:
·
Type: QAH11.1 (NTC)
·
Temperature range: 0 °C to 49 °C
·
Cable length: maximum 80 m
– Digital input:
·
Operating action: Selectable (NO / NC)
·
Contact sensing: SELV 0 V- to 5 V- (5 mA
maximum)
·
Parallel connection of several thermostats with
one switch: Maximum 20 thermostats / switch
– Insulation against mains voltage (SELV): 4 kV,
reinforced insulation
• Function of inputs: X1 and X2 are selectable
– External temperature sensor, heating/cooling
changeover sensor, operating mode switchover
contact, dew point monitor contact, enable
electrical heater contact, fault contact
Communications Link
• Interface type: RS485
– One 0.34 mm
2
to 0.75 mm
2
(22 AWG to 18 AWG)
for common/neutral wire
– Two 0.34 mm
2
to 0.75 mm
2
(22 AWG to 18 AWG)
twisted/shielded wire for data link
– Maximum 600 m total wire length
• Bus current: Maximum 50 mA
• Wiring topology: Free wiring topology
• Maximum of 32 LR-HVAC-230-S units per link
Operational data
• Adjustable switching differential
–
Heating mode: 2 K default, adjustable from 0.5 K
to 6 K
– Cooling mode: 1 K default, adjustable from 0.5 K
to 6 K
• Default setpoint settings and range
–
Comfort: 21 °C default, adjustable from 5 °C to
40 °C
–
Economy: Default 15 °C heating / 30 °C cooling,
adjustable from 5 °C to 40 °C
– Protection: Default is 8 °C heating, OFF for cooling,
adjustable from 5 °C to 40 °C or OFF
• Input X1 default setting: Operational mode switchover
• Input X2 default setting: External temperature sensor
• Built-in room temperature sensor
– Measuring range: 0 °C to 49 °C
– Accuracy at 25 °C: < ± 0.5 K
– Temperature calibration range: ± 3.0 K
• Settings and display resolution
– Setpoints: 0.5 °C
– Current temperature value displayed: 0.5 °C
Environmental Conditions
• Operation: As per IEC 60721-3-3
– Climatic conditions: Class 3K5
– Temperature: 0 °C to 50 °C
– Humidity: <95% relative humidity, non-condensing
• Transport: As per IEC 60721-3-2
– Climatic conditions: Class 2K3
– Temperature: –25 °C to 60 °C
– Humidity: <95% relative humidity
• Storage: As per IEC 60721-3-1
– Climatic conditions: Class 1K3
– Temperature: –25 °C to 60 °C
– Humidity: <95% relative humidity
