2
Helvar 458/CTR8 8-Channel Ballast Controller Module: Installation and User Guide
Installation
Loosen
knobs
Blanking
plate
Unscrew and remove the blanking plate(s) from the chassis.
Note 1:
458M1: 1 blanking plate
458M2: 2 blanking plates
458M3: 3 blanking plates
Note 2:
The diagrams on this page show the 458M1/4S10 Chassis.
Covers and knockouts are removed from the 458M2 and 458M3 in a
similar way.
1.2 Remove chassis blanking plates
For details, refer to the 458Mx Chassis Installation Guide.
1.1 Remove chassis cover
Partially unscrew the two knobs on the module to reveal the pins.
1.3 Loosen attachment knobs
Attach the module to the chassis by slotting the pins of the module to the
mounting bracket.
1.4 Slot module pins into mounting bracket
Screw the knobs to the mounting bracket to secure the module.
1.5 Tighten knobs
1. Attach the module to a chassis
Mounting, environmental and clearance requirements
Mounting
• Attach the 458/CTR8 to a 458M1, 458M2, or 458M3 chassis that is mounted vertically on a flat surface.
Environment
• The ambient temperature must be between 0 °C and +40 °C.
• Air humidity must be between 0 % and 90 % (noncondensing).
• The area must be adequately ventilated.
• Do NOT install this product in a damp location.
Clearance
• For effective ventilation, ensure that there is adequate space around the combined chassis and module(s): 50 mm
above, below and on both sides. Refer to the mounting dimensions and clearance diagrams in the 458Mx Chassis
Installation Guide.
• When a Helvar control module (e.g. 458/CTR8) is attached, the grilles must NOT be obstructed.
For further information, refer to the Helvar 458Mx Chassis Installation Guide.
Warning:
Before attaching the module and making any connections, make sure that the mains supply is isolated.
Important:
The module may be controlled by either DALI or SDIM/DMX, but DALI and SDIM/DMX must not be connected
simultaneously.
