Glandless Pumps - THERMO-ECO-ENGINEERING úvod

Switchgears and Control Devices
Switchgears
Device allocation, equipment Wilo-S2R 3D/SD
Device allocation
Twin-head pump or 2 x individual pump
Main/standby or peak-load operation
Time-sensitive and/or
Device equipment
Pump connecting cable
provided by
customer
provided by
customer
provided by
customer
provided by
customer
provided by
customer
provided by
customer
Activation type direct Y/ Y/ Y/ Y/ Y/
Fitted temperature sensors each with 5 m
cable 3) • 2 • 2 • 2 • 2 • 2 • 2
Fitted control cable 3 m/5m 3) • • • • • • • • • • • •
Fault pump switchover • • • • • •
Twin-head pump operation switchover
switching
Twin-head pump addition switching for
peak-load operation
Integrated full motor protection tripping
(starting with 11 kW thermistor)
Excess current draw fault trip • • •
Setting range, motor protection switch (1 - 10) A (5.2 - 7.5) A (9.0 - 13.0) A
• • • • • •
• • • • • •
• • • •
Automatic reactivation after power failure 2) • • • • • •
Potential-free contact for external run signal • o o o o o
Potential-free contact for external fault signal • • • • • •
Potential-free contacts for individual run and
fault signals
Terminals for power supply to an external
signal transmitter
Differential pressure-dependent p
o o o o o o
• • • • • •
Terminals for external ON/OFF control • • • • • •
Protection class 1) IP 41 IP 54 IP 54 IP 54 IP 54 IP 54
• Standard version
o Special version or supplementary equipment (at additional charge)
1) Protection class of the entire switch cabinet applies to switch cabinet installation
2) Clock setting must be corrected in event of a power failure lasting more than 15 minutes (standard version)
3) Included in the scope of delivery of the auxiliary transmitter or the auxiliary module
Temperature-dependent +T
Differential temperature-dependent T
Differential pressure-dependent p
Temperature-dependent +T
Switching device S2R 3D SD 5.5 SD 9 SD 18.5 SD 30 SD 37
Auxiliary signal transmitter
DDM
o
TF
o
DTS
o
DDM
o
TF
o
Differential temperature-dependent T
DTS
o
Differential pressure-dependent p
DDM
o
Temperature-dependent +T
TF
o
Differential temperature-dependent T
DTS
o
Differential pressure-dependent p
DDM
o
Temperature-dependent +T
TF
o
Differential temperature-dependent T
DTS
o
Differential pressure-dependent p
DDM
o
Temperature-dependent +T
TF
o
Differential temperature-dependent T
DTS
o
Differential pressure-dependent p
DDM
o
Temperature-dependent +T
TF
o
Differential temperature-dependent T
DTS
o
Heating, Air-conditioning,
Cooling
Potable water circulation
Solar thermal
Service/Accessories, Systems
Switchgears and Control Devices
Pump Management Systems
Wilo Catalogue A1 - Circulating pumps in glandless design
385