Polon-Alfa TUN-38Ex, Руководство по установке и обслуживанию

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6 IK ‐ E280 ‐ 001GB
Table 1
Air temperature
increase rate
in relation to normal
operating temperature
A1 Class B Class
Low activation
time limit
Top activation
time limit
Low activation
time limit
Top activation
time limit
K/min min s min s min s min s
1 29 00 40 20 29 00 46 00
3 7 13 13 40 7 13 16 00
5 4 09 8 20 4 09 10 00
10 1 00 4 20 2 00 5 30
20 30 2 20 1 00 3 13
30 20 1 40 40 2 25
The heat detector operating parameters (for both classes) are shown in Table 2:
Table 2
Detector
Class
Normal
Operating
Temperature
°C
Maximum
Operating
Temperature
°C
Minimum
Static Activation
Temperature
°C
Maximum
Static Activation
Temperature
°C
A1 25 50 54 65
B 40 65 69 85
The terms used in the tables have the following meaning:
Normal Operating Temperature
Maximum Operating Temperature
maximum temperature level, at which detector operates for a short period of time provided no fire
hazard occurs.
Static Activation Temperature
temperature level at which detector transmits a warning signal at negligible low temperature
increase rate.
A1R Class is divided into two sub ‐ classes: AiR ‐ L – nominal sensitivity and A1R ‐ H – increased sensitivity
at rapid temperature rise.
Typical activation temperature levels in the function of temperature increase starting from typical
operation temperature at constant air flow equivalent to 0,8 m/s at 25°C are shown on Chart 1: