Attention: The airflow through the fan unit should not be obstructed on either side of the unit in order to ensure proper functioning of the fan unit.

The fan unit can be mounted in horizontal or vertical position.

The fan unit needs to be mounted in such a way that the fans and electronics are inside the enclosure.

The fan unit will then generate an under pressure inside the enclosure.

The “Cut-out plan of the fan unit including mounting holes” below shows the required cut-out opening of

the fan unit and the location of the mounting holes.

Mounting Carrier (18 inch)

The MCAR-01 is a carrier that can be screwed on any flat surface.

The MCAR-01 can carry one IOTA-R24 assembly. The below figure shows the physical appearance and the coordinates of the four mounting holes.

The MCAR-01 consists of:

A metal profile

A plastic cover plate

A ground rail with 16 ground connection screws

Two power rails with M5 holes (+24V and 0V)

Four mounting holes (6.35 mm diameter)

Mounting an IOTA-R24

The IOTA-R24 is fixed on the MCAR-01 with ten ground screws and two power screws (24V and COM).

24Vdc power must be connected to the MCAR-01 on the power rails using M5 screws.

Mounting an IOTA-NR24

The IOTA-NR24 is fixed on the MCAR-01 with eight ground screws and two power screws (24V and COM).

This leaves room on the MCAR-01 for two 3 inch units or one 6 inch unit.

24Vdc power must be connected to the MCAR-01 on the power rails using M5 screws.

Mounting Carrier (36 inch)

The MCAR-02 is a carrier that can be screwed on any flat surface.

The MCAR-02 can carry two IOTA-R24 assemblies. The below figure shows the physical appearance and the coordinates of the four mounting holes.

The MCAR-02 consists of:

A Cable Carrier Assembly (CCA)

A metal profile

Two plastic cover plates

A ground rail with 32 ground connection screws

Two power rails with M5 holes (+24V and 0V)

Four mounting holes (use screws with a diameter <5.5 mm)

The power rails of two MCAR-02 carriers can be coupled. Use two M5 screws to connect the two power rials of the top carrier with the bottom carrier (through the 5 mm holes).

Mounting an IOTA-R24

An IOTA-R24 is fixed on the MCAR-02 with ten ground screws and two power screws (24V and COM). 24Vdc power must be connected to the MCAR-02 on the power rails using M5 screws.
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