SPX Johnson Pump CombiPrime V, Instruction Manual

Page: 27 / 86

26 Installation
CV/EN (1009) 5.3
3.8 Vacuum pump with float-controlled de-aerator
3.8.1 Mounting of accessories
• Connect the exhaust pipe of the float-controlled de-aerator to the suction pipe. The
passage of the exhaust pipe must be approx. 12 mm and the connection to the
suction pipe at least G1/2".
• The pump is supplied with the exhaust pipe connected to the pump cover.
3.8.2 Connection diagram with float-controlled de-aerator
3.8.3 Indication of connections
The suction, delivery and service liquid connections of the vacuum pump are indicated
both on the drawings and on the vacuum pump by the letters
S, P and W .
Suction point PC is the connection to the space behind the impeller.
Indications used in figure 9 through figure 13:
Figure 9: Connection diagram with float-controlled de-aerator.
V/O
Venting / Overflow
S Inlet vacuum pump
SP
Exhaust pipe
P Outlet vacuum pump
W
Service liquid
PC Pump connection (=air-extraction connection centrifugal pump)
SF
Filter in exhaust pipe (only in figure 11)
1 Float-controlled de-aerator
2
Vacuum pump
5 Check valve
6
Air inlet valve