3
│
A. Declaration of Conformity
● The hydraulic connection of the load unit must be carried out by a person qualified according
to the applicable standards and regulations.
● Any interventions in the electrical installation must be carried out by a person qualified
according to the applicable standards and regulations.
● Before starting work on the wiring (e.g. when connecting accessories to the controller), the
load unit and the connected electrical equipment (e.g. electric heating element) must be
disconnected from the power supply!
● The BIO 55 MIX W-PWM 1F TRS6K load unit is in no way a replacement for the safety
components of the heating system, hot water system and boiler. These safety elements
must always be installed in accordance with the applicable standards and regulations. The
diagrams published in this manual represent wiring examples and may not be complete.
Carry out the actual installation according to the heating design and ensure that all prescribed
safety features are fitted.
● Any tampering with the controller, adjusting the controller or connecting accessories must
be done in accordance with the instructions in this manual. Only accessories recommended
in this manual may be connected to the controller.
B. INTRODUCTION, DESCRIPTION
BIO 55 MIX W–PWM 1F TRS6K Load Unit includes a complete hydraulic and electrical
connections for the installation of a heating system with a solid fuel boiler. The load unit has
a complete electrical installation and is fitted with a power cord with a plug. All you need to
do is connect the boiler, the heating system, a thermal store(s) (depending on the selected
hydraulic variant), then place the sensors and plug the load unit into a socket. Then select the
corresponding hydraulic variant in the controller using the setup wizard and set other required
parameters. The basic connection diagram can be upgraded with optional accessories.
For more information on optional accessories see the Chapters
“Overview of Basic Hydraulic
Variants”, “Accessory Installation” and “System Settings”
.
The Load Unit involves
● TRS6 BIOMIX controller with hydraulic variant selection for smart control of the entire system
● Two Wilo Para 25/8 iPWM1 circulation pumps with continuous performance control via
PWM signal for boiler circuit and heating system
● TSV3BM load valve with automatic bypass balancing to protect the boiler against low
temperature corrosion by keeping return water temperature to boiler at 55 °C
● Motorised three-way mixing valve including actuator to maintain the required temperature
in the heating circuit
● Two ball valves and two drain valves for shutting off and draining the heating system
● Check valve integrated in the ball valve body located at the return line from the heating
system
● Two ball valves to shut off the boiler circuit
● Lever for ball valves, placed inside the insulation
● 3m power cord, 1.5 mm
2
cable cross section
● Three Pt 1000 temperature sensors with 4 m cable
● Pt 1000 heating circuit temperature sensor (factory-installed in a sheath in the load unit)
● 10 m cable for the outdoor temperature sensor (the sensor itself is enclosed)
● Four thermometers
● Two mini drain valves to drain the load unit
● Outlets to connect optional accessories (e.g. a pressure switch)
The Load Unit delivery includes a package containing:
● Mounting kit for an easy installation of the load unit on a wall
● Two DN 20 ball valves to be installed at the thermal store inlet/outlet
● Pt1000 outdoor temperature sensor to be installed on the northern wall of the building
