RHOSS KMSR, Instructions For Use Manual

Page: 86 / 92

86
Enclosed documents EN
ELECTRICAL CONNECTIONS
MIQE Electrical panel internal terminal board
MEU User external terminal board
IG
Manoeuvre master switch and differential protection
(30mA sensitivity )-automatic (25A)
L Line
N
Neutral
PE Earth terminal;
KRS485 RS485 serial interface (accessory);
J10 6-way telephone connector (RJ12);
KTR Remote keyboard (accessory);
RSC Chiller serial network;
RS BMS and external BMS serial network;
ID1 Centralised remote On/Off
ID2 Centralised Summer/Winter
ID3 Requested recovery*
ID4 Double Set-point (primary)
ID5 Double Set-point (recovery);
ID6 System general alarm
ID7 Primary flow switch;
ID8 Rejection device flow switch (water/water vers.);
ID9 Primary pump alarm 1;
ID10 Primary pump alarm 1;
ID11 Rejection device pump alarm 1 (water/water vers.);
ID12 Rejection device pump alarm 2 (water/water vers.);
ID13 Recovery pump alarm 1 *;
ID14 Recovery pump alarm 2 *;
CR1
Primary pump 1;
CR2 Not used;
CR3 Not used;
CR4 Primary pump 2;
CR5
Not used;
CR6 Not used;
CR7 Rejection device pump 1 (water/water vers.);
CR8 Rejection device pump 2 (water/water vers.);
CR9
System general alarm
CR10 Chiller general alarm + serial network alarm;
CR11 Integrative/replacement boiler request;
CR12 Recovery pump 1 *;
CR13
Recovery pump 2 *;
CS Primary shifting Set-point (4÷20mA signal);
B2 System return water temperature probe;
B3 System flow water temperature probe;
B4
Outdoor air temperature probe;
IDBC5 Recovery flow switch *;
CSR Recovery shifting Set-point (signal 4-20mA) *;
B7 Recovery return water temperature probe *;
B8
Recovery flow water temperature probe *;
- - - Connection by installer
6-wire telephone cable
(maximum distance 50m, for greater distances contact
RHOSS S.p.A. customer service)
◦
◦ The electrical panel is accessible from the front panel of the unit.
◦ ◦ Connections must be made in compliance with current standards
and with the diagrams provided with the machine.
◦
◦ Machine earthing is legally compulsory.
ATTENTION!
The following diagrams only show the connections to be made by
the installer.
For electrical connections to the unit and the accessories, follow the
wiring diagrams which are supplied with them.
(*) only for EXP units