6-1
Chapter 6. SPECIFICATIONS
Specifications
z
General specifications
Item
Description
Compatible flame detector
AUD300C, AUD500C
Start check time
For normal operation: 2 s max. If alarm is detected: 10 ± 2 s
Ignition trial
4 ± 1 s or 8 ± 2 s depending on model
Pilot Stabilization (Pilot only time)
7.5 ± 2.5 s
Main trial time
7 ± 3 s
Start check error detection time
10 ± 2 s
Flame failure response time
(at flame voltage of 3 V DC)
Nominal 1.5 s (max. 2 s), nominal 3 s (max. 4 s)
Reset response time
1 s or more
Range of flame voltage output
0 to 5 V
IV wire 0.75 mm
2
min. for signal line, wiring length of 10 m max.
Input impedance of connected instruments: 100 kΩ min.
Flame voltage range
(at rated voltage, room temp,
and humidity)
Flame-out detection: 0.0 to 0.6 V DC
Flame establishment: 1.5 to 4.0 V DC
Recommended flame voltage
Stable 2.0 V DC or more
Service life
7 years or 100,000 operation cycles max.
(at room temperature and humidity and rated voltage and load)
Max. tightening torque
Subbase mounting screws: 1.5 N•m or less
Body-subbase screw: 0.5 N•m or less
M3.5 terminal screws: 1.0 N•m or less
Mounting method
Mounted on subbase
Subbase
Q241A104
External dimensions
103 mm (D) X 103 mm (W) X 105 mm (H)
(Total height including subbase is 136 mm)
Color
Black
Mass
Approx. 600 g (approx. 830 g including subbase)
Pollution degree
2
Protection rating
IP20
Certificates *
1
UL: File No. MH27717
CE: Gas Appliance Directive (2009/142/EC)
0063BS1427 *
2
Low Voltage Directive (2014/35/EU)
Electromagnetic compatibility Directive (2014/30/EU)
RoHS Directive (2011/65/EU)
FM: File No. 0003059531
*1. Certificates are valid only for a combination of AUR450C, AUD300C, and Q241A104.
*2. from 21st April 2018 GAR 2016/426
Summary of Contents for AUR450C
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