10
User’s Manual- Installation and Operation
Characteristics
12 configurations
Up to 4 temperature sensors
Controls up to 3 hot water stores.
Up to 2 solar collectors
Utilizes auxiliary heating from solid and
liquid fuel burners.
Has anti-lighting protection.
Fully configurable.
Has improved anti-ice protection.
Protects stores, piping and collectors from
excessive heating.
Safety Instructions
The ULTRA solar controller has been designed according to all up to date specifications and fulfills the
necessary regulations in order to be safely operable for many years. During the design and construction
phase has been taken into account every existing directive for such kind of equipment. You are kindly
advised prior to installation and operation to consult this guide. Be sure you realize every consequence
of your action and
take all necessary precautions. If you don’t understand something do not hesitate to
contact Charmeg directly and take the advice of our technical personnel.
Installation must be carried out from experienced authorized electrician.
Do not open the plastic enclosure for any reason. Such action has danger of electric shock and
nullifies the warranty.
The ULTRA controller can be used as control device and never as safety device of an installation.
Do not use the device for any other purpose except of those that has been designed for i.e. solar
systems control.
Do not use the device for life critical applications.
This device is not water resistant. Install it in an indoor place away from rain, humidity and extreme
weather conditions.
The ULTRA controller is not a measuring instrument.
Do not exceed the maximum limitations as referred below for any reason.
During it’s operation ULTRA keeps record for various information. Charmeg maintains the right
of using such information if for any reason the device will coma back to the factory.
General Information
The ULTRA device is to be used in solar to thermal energy conversion systems. It has been designed in
a manner that allows it to control various types of installations. In the following pages fully detailed
examples are given for each of the 12 available operating configurations. You are kindly advised to
detect and study carefully the case that suits most to your demands.
As a general rule you must keep in mind that depending to the selected configuration ULTRA controller can
implement up to 3 individual virtual differential thermostats and up to 1 simple virtual thermostat.
All the above virtual devices are combined together according to the selected configuration and constitutes
the solar controller of the installation.
The following examples are for indication purposes. The installer can modify the usage of the allowable
virtual devices in order to set up the concept of his own. For those configurations who are not present to the
following please be free to
contact Charmeg’s technical personnel.
Installation
Use the “Ω” shaped type of rail to install the device or screw it simply to the wall. For wall mounting pull
out the three runners of the back side until holes reveal. Select carefully the place for installation in order
to avoid moisture. Reserve enough space for cables to pass through. A gap of 5 mm is recommended
around the device for better ventilation. The ULTRA controller is not allowed to be exposed in direct
sunlight and extreme temperatures. It is intend to be used in house in a moisture free place. During the
installation interrupt mains supply. Choose cables of suitable cross-section and insulation according to
the applied current and voltage. The device is equipped with appropriate cable terminal clamps for easy
and safe connection. Do not over tighten the screws. Study carefully the electrical connection diagram of
Figure 1.
ATTENTION! Terminal pairs 9-10, 11-12, 13-
14 constitute the three “dry” contact of the internal
relays. If you need to drive mains powered pumps you have first to make the necessary
connection between 16, 14, 12 and 10 terminals.
A
ULTRA
Solar Thermal System Controller
Figure 1
