SECTION 3 - SYSTEM DESIGN
HYGOOD
38
FM-200
®
Installation Guide/11100/02.08.05/Issue 3.3
After determining the minimum weight and concentra-
tion, the
maximum
concentration can be determined by
recalculating the equation based on the maximum tem-
perature anticipated in each enclosure 27
0
C (80
0
F) maxi-
mum design temperature�� This calculation is required to
determine if the maximum concentration is below the
NOAEL limit for normally occupied areas��
Switch Room:
C = 100 x 150��2 x 2��2538 = 7��36%
(150��2 x 2��253) + 4262��6
Computer Room: C = 100 x 677��8 x 2��2538 = 7��36%
(677��8 x 2��253) + 19237��1
Floor Void:
C = 100 x 80 x 2��2538 = 7��34%
(80 x 2��253) + 2275��4
The
minimum
enclosure concentrations can be calcu-
lated based on the actual container fill (70
o
F minimum
design temperature)��
Switch Room:
C = 100 x 150��2 x2��207
= 7��22%
(150��2x2��207)+4262��6
Computer Room: C = 100 x 677��8 x 2��207 = 7��22%
(677��8 x 2��207)+19237��1
Floor Void:
C = 100 x 80 x 2��207
= 7��2%
(80 x 2��207) + 2275��4
Figure 28 - Example Nozzle Location
Switch Room:
4262��6/23499��7 = 18��14% of Agent
Computer Room: 19237��1/23499��7 = 81��9% of Agent
Floor Void:
2275��4/2275��4 = 100% of Agent
Actual agent to switch Room :
0��1814 x 3 x 276 = 150��2 lbs
Agent to Computer room :
3 x 276 - 150��2 = 677��8
The minimum enclosure concentrations can be calculated
based on the actual container fill (21 °C minimum design
temperature)��
Switch Room:
C = 100 x 68��1 x 0��1376751 = 7��20%
(68��1 x 0��1376751) + 120��8
Computer
C = 100 x 303��9 x 0��1376751 = 7��22%
Room:
(303��9 x 0��1376751) + 537��6
Floor Void:
C = 100 x 36��8 x 0��1376751 = 7��20%
(36��8 x 0��1376751) + 65��3
After determining the minimum weight and concentration,
the maximum concentration can be determined by
recalculating the equation based on the maximum
temperature anticipated in each enclosure 27 °C
maximum design temperature�� This calculation is required
to determine if the maximum concentration is below the
NOAEL limit for normally occupied areas��
Switch Room:
C = 100 x 68��1 x 0��1407537 = 7��35%
(68��1 x 0��1407537) + 120��8
Computer
C = 100 x 303��9 x 0��1407537 = 7��37%
Room:
(303��9 x 0��1407537) + 537��6
Floor Void:
C = 100 x 36��8 x 0��1407537 = 7��35%
(36��8 x 0��1407537) + 65��3
Figure 4 - Example Nozzle Location
4
© 2010 Macron Safety Systems (UK) Limited
SECTION 3 - SYSTEM DESIGN
EQUIPMENT:
FM-200® (UL/FM)
PUBLICATION:
14A-07H
ISSUE No.
02
DATE:
2010-03
