Viessmann AWO-M-AC 101.A06, Assembly And Servicing Instructions

Page: 10 / 52

10
6020930
Hygienic measures: No smoking.
PHYSICAL AND CHEMICAL PROPERTIES
Colour: Colourless.
Odour: Ethereal. Hard to perceive at low concentrations.
Boiling point: -51.7°C at atm. press.
Flash point: 648 °C.
Relative gas density
(air =1)
Relative liquid density
(water =1)
1.8.
1.1.
Solubility in water: 280000 mg/l.
STABILITY AND REACTIVITY
Stability: Stable under normal conditions.
Materials to avoid: Air, oxidizing agents, humidity.
Decomposition
products
Under normal storage and use conditions, hazardous decomposition products should
not be generated.
hazardous:
TOXICOLOGICAL INFORMATION
Acute toxicity: LD/LC50/inhalation/4 hours/on rat >1107000 mg/m 3 .
Local effects: No known effect.
Long-term toxicity: No known effect.
ENVIRONMENTAL INFORMATION
Global warming
potential
675
GWP (R744=1):
Ozone Depletion
Potential ODP (R11=1): 0
Disposal
considerations:
Refer to the supplier’s gas retrieval program. Avoid direct release into the
atmosphere.
4.5 SPECIFIC R32 GAS WARNINGS
The R32 refrigerant gas:
- is odourless;
- is flammable, but only if there are naked flames;
- it may cause an explosion, but only if a given concentration in air is reached.
It is good practice to adhere to the following indictions:
- do not smoke near the unit;
- affix a no smoking sign near the unit;
- keep the premises where the unit is installed properly aerated;
- do not pierce or burn the unit;
- do not place the unit near ignition sources, such as naked flames, electric heaters etc.;
- every extraordinary maintenance or repair on the unit must be performed by skilled technicians or
qualified personnel;
- a gas leak test must be performed after installation.