3-2
STARTUP / OPERATION
P/N 3104942_B
U.S. & Canada 1-800-922-1919 • Mexico 01 800-890-2900 • www.hussmann.com
• Evaporator fans and condenser fans
• ON /OFF
• LINK2 local area network
• RS485 communication protocol: Modbus
• Compatible with Device Manager (DM)
• Compatible with Unicard and Multi-function key
RTN400
Page 7/130
2 - SPECIFICATIONS
TECHNICAL DATA
Classification:
electronic automatic control (not safety) device for incorporation
Mounting:
panel mounting
Type of action:
1.B
Pollution class:
2
Material class:
IIIa
Overvoltage category:
II
Nominal pulse voltage:
2500V
Temperature:
Use: –5 … +55°C - Storage: -30 … +85°C
Power supply:
SMPS 100-240Va ±10% 50/60 Hz
Power consumption:
5.5W max
Fire resistance category:
D
Software class:
A
RTC battery life:
In absence of external power, the clock battery will last 3 years.
FURTHER INFORMATION
INPUT CHARACTERISTICS
Measurement range:
Accuracy:
Resolution:
Buzzer:
NTC
: -50.0°C ...
(on 3-digit display with +/- sign)
±1.0° for temperatures below -30°C
±0.5° for temperatures between -30°C and +25°C
±1.0° for temperatures above +25°C
1 or 0.1°C
NO
OUTPUT CHARACTERISTICS
Digital Outputs:
OUT1
:
1 SPST relay:
2HP
max 240V
a
OUT2
:
1 SPDT relay:
1HP
max 250V
a
OUT3
:
1 SPDT relay:
8(4)A
max 250V
a
OUT4
:
1 SPST relay:
8(4)A
max 250V
a
OC (Open Collector) Output:
OC
:
1 multifunctional output: 12V
c
20mA
MECHANICAL CHARACTERISTICS
Dimensions:
Terminals:
Connectors:
Humidity:
TTL for Unicard / Device Manager connection (via DMI)
RTN400
Page 7/130
2 - SPECIFICATIONS
TECHNICAL DATA
Classification:
electronic automatic control (not safety) device for incorporation
Mounting:
panel mounting
Type of action:
1.B
Pollution class:
2
Material class:
IIIa
Overvoltage category:
II
Nominal pulse voltage:
2500V
Temperature:
Use: –5 … +55°C - Storage: -30 … +85°C
Power supply:
SMPS 100-240Va ±10% 50/60 Hz
Power consumption:
5.5W max
Fire resistance category:
D
Software class:
A
RTC battery life:
In absence of external power, the clock battery will last 3 years.
FURTHER INFORMATION
INPUT CHARACTERISTICS
Measurement range:
Accuracy:
Resolution:
Buzzer:
NTC
: -50.0°C ...
(on 3-digit display with +/- sign)
±1.0° for temperatures below -30°C
±0.5° for temperatures between -30°C and +25°C
±1.0° for temperatures above +25°C
1 or 0.1°C
NO
OUTPUT CHARACTERISTICS
Digital Outputs:
OUT1
:
1 SPST relay:
2HP
max 240V
a
OUT2
:
1 SPDT relay:
1HP
max 250V
a
OUT3
:
1 SPDT relay:
8(4)A
max 250V
a
OUT4
:
1 SPST relay:
8(4)A
max 250V
a
OC (Open Collector) Output:
OC
:
1 multifunctional output: 12V
c
20mA
MECHANICAL CHARACTERISTICS
Dimensions:
Terminals:
Connectors:
Humidity:
TTL for Unicard / Device Manager connection (via DMI)
