P78 Series Controls for Dual Pressure Applications Installation Instructions
3
Vertical Surface: Use four M4 x 6 mm + d screws (1) through the inner holes (2) on the back of the control case
when mounting directly to a flat vertical surface (3). The screws cannot be longer than 6 mm + d (where d refers to
the thickness of mounting surface). (See Figure 2 and Table 1.)
Horizontal Surface: Use four M4 x 6 mm screws provided (4) and Universal Mounting Bracket (5) (sold
separately) when mounting to a flat horizontal surface. (See Figure 2 and Table 1).
Table 1: Mounting P78 Dual Pressure Control
Wiring
Callout Description
1 Mounting Screws for Vertical Surface (4), M4 x 6 mm + d (screws cannot be longer than 6 mm + d)
2 Inner Mounting Holes (4)
3 Flat Vertical Mounting Surface
4 Mounting Screws for Horizontal Surface (4), M4 x 6 mm (included)
5 Universal Mounting Bracket (Part Number 271-51, sold separately)
Risk of Electric Shock.
Disconnect or isolate all power supplies before making electrical connections. More than one disconnection or
isolation may be required to completely de-energize equipment. Contact with components carrying hazardous
voltage can cause electric shock and may result in severe personal injury or death.
Risque de décharge électrique.
Débrancher ou isoler toute alimentation avant de réaliser un branchement électrique. Plusieurs isolations et
débranchements sont peut-être nécessaires pour -couper entièrement l'alimentation de l'équipement. Tout contact
avec des composants conducteurs de tensions dangereuses risque d'entraîner une décharge électrique et de
provoquer des blessures graves, voire mortelles.
IMPORTANT: Use copper conductors only. Make all wiring connections in accordance with local, national, and
regional regulations. Do not exceed the control’s electrical ratings.
Figure 2: Mounting the P78 High Pressure Control with Type 1 Enclosure
Horizontal Surface
Vertical Surface
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