Trane CXAO Installation Operation & Maintenance page 28

Hydraulic data
Hydronic kit with 1 pump and tank - SB/SM/SA versions
M Gauges
S Water discharge
P Pump
SV Safety valve
SF Relief valve
ET Expansion vessel
PD Water differential pressure switch
Hydronic kit with 2 pumps and tank - XB/XM/XA versions
M Gauges
S Water discharge
P Pump
SV Safety valve
SF Relief valve
ET Expansion vessel
PD Water differential pressure switch
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PRS Empty plant security pressure switch
R Shut off valve
EWR Evaporator
PR Additional pump water pressure switch
WT Water tank
GR Automatic water fi lling
PRS Empty plant security pressure switch
R Shut off valve
EWR Evaporator
PR Additional pump water pressure switch
VR Check valve
WT Water tank
GR Automatic water fi lling
RF-SVX003A-GB