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Design
Glandless circulation pump with screwed connection or flange connection
Application
Hot-water heating systems of all kinds, air-conditioning systems, closed cooling circuits, industrial circulation systems
Type key
| Example: | Wilo-TOP‐RL 40/4 | | TOP-RL | Standard pump (screw-end pump or flange-end pump) | | 40/ | Nominal connection diameter | | 4 | Nominal delivery head [m] at Q = 0 m3 /h |
Special features/product advantages
- Manual power adjustment with 3 speed stages
- Pump housing with cataphoretic (KTL) coating protects against corrosion due to condensation formation
Technical data
- Permitted temperature range -20 °C to +130 °C, for short periods (2 h) to +140 °C
- Mains connection 1~230 V, 50 Hz
- Protection class IP X4D
- Screwed connection or flange connection (depending on type) Rp 1. Rp 1¼ or DN 40
- Max. operating pressure, standard version: 10 bar or 6/10 bar
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Equipment/function
Operating modes Manual functions - Setting of speed stages (3 speed stages)
Automatic functions - Full motor protection with integrated trip electronics (optional for all types with Wilo-Protect‐Module C)
External control functions - "Overriding Off" control input (optional for all types with Wilo-Protect‐Module C)
Signal and display functions - Individual/collective fault signal (potential-free NC contact) (optional for all types with Wilo-Protect‐Module C)
- Collective fault signal (potential-free NC contact) (optional for all types with Wilo-Protect‐Module C)
- Individual run signal (potential-free NO contact) (optional for all types with Wilo-Protect‐Module C)
- Fault signal light (optional for all types with Wilo-Protect‐Module C)
Dual pump management (double pump or 2 x single pump) - Main/standby mode (automatic fault-actuated switchover / time-dependent pump cycling) (optional for all types with Wilo-Protect‐Module C)
Equipment - With flange pump: Flange version
- Standard version for pump DN 40: Combination flange PN 6/10 (flange PN 16 acc. to EN 1092-2) for counter flange PN 6 and PN 16,
Materials
- Pump housing: Grey cast iron
- Impeller: Plastic
- Shaft: stainless steel
- Bearing: Carbon, metal impregnated
Scope of delivery
- Pump
- Seals for threaded connection
- Including washers for flange bolts (for nominal connection diameter DN 40)
- Installation and operating instructions
Accessories
- Screwed connections
- Adapter fittings
- Wilo-Protect‐Module C for single pump (1~230 V)
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