Wilo-TOP-Z
Glandless circulator with screwed connection or flange connection. Pre-selectable speed stages for power adjustment.
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Description
Glandless circulator with screwed connection or flange connection. Pre-selectable speed stages for power adjustment.
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Advantages
- Direction of rotation signal lamp for displaying the correct sense of rotation (only with 3~)
- With thermal insulation as standard
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Technical Features
Design
Glandless circulator with screwed connection or flange connection. Pre-selectable speed stages for power adjustment.
Application
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Domestic hot water circulation systems in industry and building services.
Typekey
Example: Wilo-TOP-Z 40/7 TOP Standard pump (screw-end pump or flange-end pump) ‐Z Single pump for domestic hot water circulation 40/ Nominal connection diameter Technical data
- Permissible temperature range
- TOP-Z 20/4 and TOP-Z 25/6 drinking water up to 3.21 mmol/l (18 °dH): max. +65 °C, in short-term operation (2 h) up to +80 °C
- from TOP-Z 25/10 drinking water up to 3.57 mmol/l (20 °dH): max. +80 °C, in short-term operation (2 h) up to +110 °C
- Mains connection:
- 1~230 V, 50 Hz (depending on type)
- 3~230 V, 50 Hz (with optional switching plug)
- 3~400 V, 50 Hz
- Protection class IP X4D
- Screwed connection or flange connection (depending on type) Rp ¾ to DN 80
- Max. operating pressure of standard version: 6/10 bar or 6 bar (special version: 10 bar or 16 bar)
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
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
Accessories
- Screwed connections for threaded connection
- Adapter fittings
- Wilo-SK 601N timer switchgear
- For pumps 3~400 V:
- Switching plug 3~230 V, 50 Hz
- Wilo SK 602N/SK 622N tripping unit for full motor protection
- For pumps 1~230 V:
- Wilo SK 602N/SK 622N tripping unit for full motor protection
Option
- Special versions for operating pressure PN 16
- Version for special voltage on request
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- Downloads
