A
. MJC s are to be installed in accordance with the latest edition of Viking technical data, the latest published standards of NFPA, FM Global, LPCB , APSAD , VdS or other similar organizations, and also with the provisions of governmental codes, ordinances, and standards whenever applicable. The use of MJC s may be limited due to occupancy and hazard. Refer to the Authority Having Jurisdiction prior to installation.
B. MJCs are installed on fixed fire protection systems.
C. Handle MJCs with care. They must be stored in a cool, dry place in their original shipping container. Never install an MJC that has been dropped, damaged, or exposed to temperatures exceeding the maximum ambient temperature allowed (refer to Table 1).
D. Never install any MJC if the bulb is cracked or if there is a loss of liquid from the bulb. A small air bubble should be present in the glass bulb. Any MJC with a loss of liquid from the glass bulb or damage to the Metron acuator should be destroyed immediately.
E. MJCs are not approved for use in areas subject to corrosive atmospheres.
F. MJCs must be installed after the piping is in place to prevent mechanical damage.
G. MJCs must be protected from mechanical damage