WILO TOP-Z 20/4 (230V, PN 10, Inox)

Your advantages

• Direction of rotation signal lamp for displaying the correct sense of rotation (only with 3~)

• With thermal insulation as standard

Construction

Glandless circulator with screwed connection or flange connection. Pre-selectable speed stages for power adjustment

Application

Domestic hot water circulation systems in industry and building services.

Equipment/function

Operating modes

• Speed-stage switching

Manual functions

• Setting the speed stages: 3 speed stages

Automatic functions

• Internal protection against unacceptably high winding temperatures (only for pumps with P2 < 180 W, optional for all types with switchgears SK 602N and SK 622N).

Signal and display functions

• Thermal winding contact (WSK, potential-free NC contact) (only for pumps with P2 ≥ 180 W)

• Direction of rotation signal lamp (only for 3~ pumps)

Equipment

• For flange-end pumps: Flange versions

  • Standard version for DN 40 to DN 65 pumps: PN 6/10 combination flange (PN 16 flange according to EN 1092-2) for PN 6 and PN 16 counter flanges,

  • Standard version for pumps DN 80: PN 6 flange (designed for PN 16 according to EN 1092-2) for PN 6 counter flange

  • Special version for DN 40 to DN 80 pumps: PN 16 flange (according to EN 1092-2) for PN 16 counter flange,

• Cable inlet possible from both sides (only for 1~pumps and 3~pumps with P2≥180 W)

• Thermal insulation as standard

Scope of delivery

• Pump

• Including thermal insulation

• Including gaskets for threaded connection

• Including washers for flange screws (for nominal connection diameters DN 40 - DN 65)

• Including installation and operating instructions

Type key

Materials

• Pump housing: Stainless steel/red brass/grey cast iron (depending on type)

• Impeller: Plastic

• Shaft: Stainless steel/ceramic (depending on type)

• Bearing: Carbon, synthetic resin impregnated