Siemens RVA63.242 - Heat Source Variants; Pps-Bmu

202/218
Siemens Building Technologies Basic Documentation RVA63.242, RVA53.242 CE1P2373E
Landis & Staefa Division Application examples 26.03.2001
7.2 Heat source variants
Type of heat source Heat source variant
No heat source (RVA63) 0 A1 - -
PPS-BMU 0 B1 - -
Single-stage burner 1 C1 C2 C3
2-stage burner 2 C1 C2 C3
Modulating burner, 3-pos. 3
D1 D2 D3
Modulating burner, 2-pos. 4 D1 D2 D3
Cascade 2 x single-stage 5 E1 - -
Without maintained boiler return temperature
Maintained boiler return
temperature with bypass pump K6
or K7 (line 95 or 96)
Maintained boiler return
temperature with mixing valve (line
20 OEM)
7.2.1 PPS-BMU
B1
Without maintained
boiler return
temperature
B9
2373Z29