Energy efficiency class see technical data Type Series Booklet 1111.5/2-10 Riovarr/Riovarr Z Circulator Pumps with Manual Speed Selection Applications F Hot-water heating systems F Heat recovery systems Fluid Handled Clean water or water treated in accordance with the relevant regulations, not containing aggressive, abrasive or solid substances. Water with commercial antifreeze agents based on glycols (mixture ratio max. 1 : 1) with inhibitors (antirust). If the glycol content exceeds 20 %, the operating data have to be checked and verified. Operating Data Screw-ended pumps Flanged pumps Rp 1 and 1 1/4 DN 32 to 100 Q up to 6.2m3/h, 1.7 l/s up to 80 m3/h, 22.2 l/s H up to 3.4m up to 16 m P1 up to 170 W up to 3500 W p 10 bar 6 bar, 10 bar on option t +20oC up to +130 oC (For temperature limit values please refer to the pump variant table on page 12) Designation Riovar -- Z 4 4 -- 8 E Type series Twin pump Nominal diameter in cm 4-pole motors Max. motor rating P2 in watt : 10 Single-phase alternating current (D = three-phase current) Design Riovar: Maintenance-free wet rotor pump (glandless), flanged or screw-ended, four speed levels. Riovar Z: Riovar twin pump design for standby operation (integrated swing check valve) or peak-load operation on option (parallel operation). Bearings Medium-lubricated special plain bearings. Materials Volute casing Cast iron EN-GJL-250 1) with cataphoretic dip paint Shaft Chrome steel X46Cr13 Impeller Plastic Bearings Special carbon, metal-impregnated 1) to EN 1561 (previously GG-25) Drive *) Canned motor, IP 42, thermal class F 1~230 V, 50 Hz 3~400 V, 50 Hz *) If a frequency inverter (included in the hyatronic mb standard design) is used for speed control (available for motor size 18 and above), make sure that the motor voltage is sinusoidal. Fit a sine filter, if required. Special Design See pump variant table on page 12.

Riovar Riovar Riovar 2 Selection Charts, Single Pumps 1400 rpm

Riovar 3 Selection Chart, Twin Pumps 1400 rpm The characteristic curves refer to operation of one pump.

Condensation-proof winding, also suitable for cold-water operation Can of antimagnetic stainless steel 4 speed levels allow exact adjustment to the system conditions Canned motor with high starting torque at each speed level Riovar 4 Screwed joint, from DN 32 flanges Hydraulically optimized impeller of wear-resistant plastic material Carbon plain bearings, wear-resistant, safe to run dry, low-noise Shaft of corrosionresistant chrome steel

Riovar 5 Single Pump Characteristic Curves 1400 rpm o = speed level and çopt

Riovar 6 Single Pump Characteristic Curves 1400 rpm o = speed level and çopt

Riovar 7 Twin Pump Characteristic Curves 1400 rpm The characteristic curves refer to operation of one pump.

44-8 E 24/34-2 D 24/34-8 D 44-8 D 44-18 D 54-18 D 54-30 D 54-100 D 64-30 D 64-48 D 64-160 D 84-48 D 84-75 D 84-250 D 104-110 D Z 44-8 E Z 44-18 D Z 54-18 D Z 54-30 D Z 64-30 D Z 64-48 D Z 84-48 D Z 84-75 D Z 104-110 D 104-250 D Z 44-8 D Zubehör siehe Seite 79 Riovar 12 Riovar (Z) Pump Variants n = 1400 rpm Single Pumps Twin Pumps X standard programme 3) S special design Pipe connections with set of screw unions Rp 1 or Rp 1 1/4 X X Flange PN 6 /DIN 2531 Press. gauge connect. Rp 1/8 X X X X X X X X X X X X X X X X X X X X Flange PN 16 /DIN 2533 Press. gauge connect. Rp 1/8 X X X X X X X X X X...

Riovar 13 Functions of the DVP Riovar switchgear Connection data for DVP Mains supply cable, supplied by the operator -- A.C. cores x mm2 3 x 1.5 -- Three-phase current cores x mm2 5 x 1.5 Mains fuse (slow-reacting) 10 A Connection cable pump – switchgear -- both sides A.C. with thermal circuit breaker 5 x 1.5 -- both sides three-phase current with thermal circuit breaker 7 x 1.5 Connection cable, supplied by the operator -- for volt-free reporting . . . cross-section as required 4 x . . . -- external link ON/OFF switch 2 x 1.5 ON/OFF switch X Equipment-on lamps -- Pump(s) X Störleuchten X Volt-free...

Riovar 14 Accessories for Twin Pumps Union Pipe end Pump end Ident. No. ~kg Y-pipes for twin pumps *) suction side PN 10 / 16 discharge side suction side discharge side suction side discharge side suction side discharge side suction side discharge side DN 40 DN 40 DN 50 DN 50 DN 65 DN 65 DN 80 DN 80 DN 100 DN 100 DN 40 DN 40 DN 50 DN 50 DN 65 DN 65 DN 80 DN 80 DN 100 DN 100 40 000 688 L 40 000 679 L 40 000 689 L 40 000 680 L 40 000 690 L 40 000 681 L 48 936 065 L 48 936 202 L 40 000 692 L 40 000 440 L 12.0 13.0 15.0 17.0 19.0 20.0 25.0 28.0 33.0 35.0 Wafer-type non-return valve PN 6 -- 16 DN...

1111.5-82-10 / 1.4.2008 Subject to technical modifications without prior notice. Riovar