Transmission Rate Of Various Gases And Related Maximum Workplace Concentration - Mitsubishi Electric Lossnay LGH-100RX3-CAN Technical Manual

CHAPTER 5 System Design Recommendations
6. Transmission Rate of Various Gases and Related Maximum
Workplace Concentration
Measurement
conditions
Measurement method
Hydrogen fluoride
Hydrogen chloride
• Chemical analysis
with colorimetric
Nitric acid
method for
Sulfulic acid
H SO , HCHO
2 4
Trichlene
• Ultrasonic method
Acetone
with gas
concentration device
Xylene
for CO, SF
6
Isopropyl alcohol
• Infrared method
Methanol
with gas
concentration Ethanol
device for CO
2
Ethyl acetate
• Gas chromatography
alcohol
for others
Ammonia
The fans are
Hydrogen sulfide
positioned at the air
Carbon monoxide
supply/exhaust
suction positions of
Carbon dioxide
the element
Smoke
Measurement
Formaldehyde
conditions:
Sulfur hexaflouride
27°C, 65% RH
Skatole
* OA density for
CO is 600 ppm. Indole
2
Toluene
CAUTION
The above does not apply to the moisture resistant total heat recovery unit.
60
Air volume
Gas ratio
Q /Q
SA RA
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
Exhaust air Supply air
concentration concentration
C (ppm) C (ppm)
RA SA
36 <0.5
42 <0.5
20 <0.5
3
2.6 mg/m - 0 mg/m
85 2.5
5 0.13
110 2.5
2,000 50
41 1.0
35 1.0
25 0.55
70 2
15 0.44
71.2 0.7
44,500 1,400
– –
0.5 0.01
27.1 0.56
27.1 0.56
27.1 0.56
6.1 0.14
Transmission Max. workplace
rate concentrations
(%)
- 0
- 0
- 0
3
- 0
2.9
2.5
2.3
2.5
2.4
2.9
2.2
2.9
2.9
1.0
1.8
1 - 2
2
2.1
2.0
2.0
2.3
(ppm)
0.6
5
10
0.25
200
1,000
150
400
200
1,000
400
50
10
0.08