• Direction of rotation check lamp for indicating the correct direction of rotation (only on 3~)
• Manual power control with 3 speed steps
• Twin pump can be operated in main/standby and parallel operation of two pumps
• Cataphoresis-coated (KTL) pump casing protects against condensation corrosion
• Type
• Double pump: Glanded rotor pump - Flanged circulation pump (TOP-SD 30/5 with threaded connection).

Application
Heating water systems, industrial circulation systems, air conditioning systems and closed cooling circuits

Equipment/function
Modes of operation

Switching speed stages
Manual control

Speed step setting: 3 speed steps

Automatic control

Built-in overheating protection for the winding (pumps with P2 ≤ 180 W only)
Alarms and display

• The winding protection contact (WSK, potential-free N.C. contact) is only available for pumps with P2 ≥ 180 W. It provides full motor protection for all speed stages; optional tripping device SK 602N/SK 622N
• Indication of direction of rotation (standard for 3~pumps only)

Display of selected speed step

• Twin pump control (twin pump or two single pumps)
• Main/backup or parallel operation (in order to realize an automatic change-over to another pump in case of a malfunction or at certain times, the customer must provide a suitable control unit).

Equipment

• For pumps with flange connections: flange versions
• Standard version for pumps DN 32 to DN 65: Combination flange PN 6/10 (flange PN 16 as per EN 1092-2) for counter flanges PN 6 and PN 16
• Standard version for pumps DN 80: Combination flange PN 6 (designed for PN 16 as per EN 1092-2) for counter flange PN 6,
• Cantilever design (horizontal shaft only):
• Standard version for TOP-SD 40/15, 50/15, all TOP-SD 65 and TOP-SD 80 pumps.
• Special version for TOP-SD 32/10, 40/3, 40/7, 40/10, 50/7, 50/10. M10 hole for console mounting on request.
• Integrated change-over valve in pump casing.
• Cable entry is possible on both sides (only for 1~ and 3~ pumps with P2≥180 W)