
I-33/103
Last change 04/2016 E-P – AL/TW/PW | Subject to technical modifications
External water meter
The plant can be controlled via a local external water
meter with a pulse ratio of K =1 or K = 10 (Can be supplied
by Hydrotec).
The electronic and PLC connections are already provided.
A 2 m long connection cable reaching to the outside of the
cabinet is also provided.
Volt-free contact
Collective failure record to pass the information to a
central control with BMS or to a signal horn.
Warning contact to forward warning records to a central
control with BMS.
The respective connection is provided in the system
control.
A 2 m long connection cable reaching to the outside of the
cabinet is equipped as well.
Circulation pump
The system is designed to supply voltage to an external
circulation pump. The electric and PLC connections are
already provided.
A 2 m long connection cable reaching to the outside of the
cabinet is also provided.
1 = Mains connection
– 230 V / 50Hz
2 = Connection external circulation pump
– 230 V / 50Hz
max. 300 Watt
3 = BMS contacts
Collective failure record
(volt-free alternating contact)
In the controller:
26(NC)-27(COM)-28(NO)
External six core cable provided:
1(NC)-2(COM)-3(NO)
Warning contact
(volt-free locking contact)
4 = Connection external water meter
Caution!
All electrical work must be carried out by qualified electricians!
Ill. 9