Installation; Diagram Of Connection Of Cabling To The Controller - TECH ST-707 User Manual

V. Installation
NOTE: Installation should be performed by a person with relevant
authorizations! At that time the device must not be at live voltage
(make sure that the plug is disconnected from the power network)!
NOTE: incorrect connection of wires may cause damage to the regulator!
NOTE: The ST-707z PID the controller must be used for installation of
the boiler in a way that prevents access to the cable installation slats.
The regulator cannot operate in a closed central heating system.
Safety valves, pressure valves and a levelling tank protecting the boiler
against boiling of the water in the central heating system must be
installed.
Standard equipment of controller ST-707 Rotations Control:
- cable feeding CH pump ended with a plug L = 2.5m – 1pc.
- able feeding HTW pump ended with a plug L = 2.5m – 1pc.
- cable feeding the mixing pump ended with a plug L = 2.5m – 1pc.
- cable feeding the floor pump ended with a plug L = 2.5m – 1pc.
- sensor of HUW pump ended with a plug, TECH type L = 2.5m – 1pc.
- sensor of floor pump ended with a plug, TECH type L = 2.5m – 1pc.
Optional equipment (possibility of additional expansion of the
controller):
- room regulator ST-208,
- two modules of the mixing valve ST- 61v4 (with weather control),
- GSM module (ST-65),
- Ethernet TS-501 module (boiler control through the local network or the
Internet).
- non-standard lengths of cables and sensors
V.1.

Diagram of connection of cabling to the controller

Please pay special attention to correct connection of earthing wires
during installation of cabling of the controller.
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