Your power supply MUST be capable of delivering the current
(measured in Amps) which is required by the MHP and ALSO any
devices which is powered from the device. Ensure that the output
voltage of your power supply does not exceed the recommended
maximum rating of your equipment. Also check the polarity requirements for
your equipment. Refer to the manufacturer’s documentation to determine the
rating for individual devices.
The voltage output from MHP ports will equal the input voltage with the following
caveat. When devices place a load on your power supply the measured voltage
will drop. This is a natural consequence of “Ohms Law” and does not mean you
have a faulty MHP or power supply.
Your unit is fused at 15amps. Your equipment/focuser/heaters must not draw
more than this amount of current. It should be noted that dew heaters can draw
a very large amount of current. For example a 14” SCT dew removal tape can
draw as much as 4.1 amps on its own. If you do draw more power that this and
blow the 15amp fuse please refer to the ‘troubleshooting’ section later in this
document for the fuse replacement procedure. Under no circumstances should
you replace the fuse with one rated higher than 15amps. This is likely to cause
damage to the unit and possibly your equipment and will void your warranty.
Should you require more than 15 amps you will need multiple units.
It is your responsibility to ensure that your chosen power supply can deliver
enough current to power the device (typically <0.5amps) and your chosen
combination of dew heaters/focuser/ancillary equipment. Hitecastro will not
currently recommend any particular brand of power supply. You should consult a
specialist electrical retailer for advice on choice of PSU.
Installation and Setup
From V4.5 onwards, it is REQUIRED to install the ASCOM Platform
before running any of the MHP V4 software or drivers.
Carefully choose a location for your MHP which will minimize the opportunity for
cables to snag or wrap around your telescope/mount when slewing to all parts of
the sky. You can use the included bracket kit to assist mounting the unit. At this
