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INSTALLATION &
OPERATION MANUAL
Helios
SOLAR VAV DIFFUSER
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IOM
HELIOS
Helios IOM
UNPACKING
The units are shipped in two major sub-assemblies; the back pan assembly
and the plaque assembly. An interface cable and quick start instructions
are included and shipped loose.
Locate the control cable in the box (shown below). This cable used to
connect the control board to the plaque assembly. Remove the top
cardboard insert. Remove the diffuser back pan and plaque from the
packaging taking care.
Precautions:
Care should be taken where handling the plaque assembly. The solar
panel can be damaged or dislodged by applying pressure to it or dropping
the plaque on a hard surface.
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IOM - HELIOS
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Standalone Installation
1. On the back pan, locate the control box and flip the cover open. There is
an orange antenna on the control board. Rotate the antenna wire into the
notch in the control box housing. Straighten it so it sticks straight out from
the control box. Close the cover.
2. Plug the white connector of the interface cable into the control board
which is accessible through the slot in the back pan.
Figure 2. Antenna position
3. Install the back pan into the ceiling grid and connect the duct work to
back pan inlet.
4. Install the plaque assembly:
• 1. Install the plaque assembly into the back pan by inserting
the hanger legs into the mating slots in the back pan.
• 2. Rotate the plaque slightly clock-wise to align
the hook tip with the small slot.
• 3. Lower the plaque to seat the hook tip in the small slot.
Warning: Do not apply pressure to solar panel.
5. Plug the black connector of the interface cable into receptacle on the
plaque assembly which is located close to the edge of the plaque.
Figure 3. Control board wiring connection
Figure 4. Plaque installation
Figure 5.Plaque assembly wiring connection
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IOM - HELIOS
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