Hydraulic Connection; Electrical Connection; General Instructions - Tuxhorn tubra-PGM-S DN 20 Instructions De Montage Et D'utilisation

4.6

Hydraulic connection

HRL
KRL
This is a sample illustration which does not claim to be exhaustive; it does not replace special-
ist planning.
4.7

Electrical connection

4.7.1

General instructions

Only authorised, specialist personnel are permitted to open electrical housings and work on
the electrical system after de-energising the equipment.
When establishing connections, make sure the terminal assignments and polarity are correct.
Protect the electrical components from overvoltage.
Risk of fatal electric shock as a result of incorrect electrical connections.
 Electrical connections must exclusively be created by electricians ap-
Danger!
proved by energy suppliers and as per the locally applicable regulations.
 Disconnect the supply voltage prior to conducting any work.
4.7.2 Circulation pump
Observe the operating manual of the circulation pump.
Art.-Nr. 968.20.27.00
Last updated 2022/02/28
HVL
KVL
- 11 -
HVL Heating flow
HRL Heating return
KVL Boiler flow
KRL Boiler return
GB