Technical data
www.dimplex.de 01.2012 | Project planning manual for heat pumps for heating and domestic hot water preparation | 55
Water-to-water heat pump 4.3.3.3
4.3.3.3 Titanium plate heat exchangers WTT 40 to WTT 100
Fig. 4.6: WTT 40 – WTT 100
Device information, titanium plate heat exchanger
Dimensions and weights Unit WTT 40 WTT 50 WTT 75 WTT 100
Number of plates 15 17 23 28
Actual surface m² 2.90 3.34 4.68 5.79
Volume dm³ 8 10 13 16
Height [H] mm 946 946 946 946
Width mm 395 395 395 395
Depth [L] mm 443 443 443 443
Net weight kg 223 227 234 240
Gross weight kg 223 227 234 240
Accessories SZB 400 SZB 500 SZB 750 SZB 100
Secondary Primary Secondary Primary Secondary Primary Secondary Primary
Quantity m³ / h 9.7 11.0 11.4 12.8 18.0 20.3 22.0 24.8
Inlet temperature °C 4.00 10.00 4.00 10.00 4.00 10.00 4.00 10.00
Outlet temperature °C 7.00 7.00 7.00 7.00 7.00 7.00 7.00 7.00
Pressure drop Pa 27,280 31,490 28,870 33,320 33,680 38,820 33,550 38,680
Transferred output kW 34 40 63 77
Inlet stubs F1 F3 F1 F3 F1 F3 F1 F3
Outlet stubs F4 F2 F4 F2 F4 F2 F4 F2
Secondary connections DN 65 (flange)
Primary connections DN 65 (flange)
Plate material 0.5 mm TITANIUM
Sealing material NITRIL HT HANG ON (H) / 140










