Bell & Gossett P86272B VS Variable Speed Pump Control - Manual (Page 2)

REQUIREMENTS
ELECTRICAL SAFETY
WARNING: ELECTRICAL SHOCK HAZARD
Electrical connections are to be made by a qualified
electrician in accordance with all applicable codes, ordi-
nances and good practices. Failure to follow these instruc-
tions could result in serious personal injury, death and/or
property damage.
VS
Outdoor
Sensor
Secondary Loop
Sensor
Boiler Return
Sensor
VS Pump
PRIMARY
LOOP
SECONDARY
LOOP
Boiler
Primary-Secondary Variable Speed Injection Mixing
Lower Temperature System
VS
Outdoor
Sensor
Secondary Loop
Sensor
Boiler Return
Sensor
VS Pump
PRIMARY
LOOP
SECONDARY
LOOP
Boiler
Primary-Secondary Variable Speed Injection Mixing
Multiple Temperature System
VS
Outdoor
Sensor
Secondary Loop
Sensor
Boiler Return
Sensor
PRIMARY
LOOP
SECONDARY
LOOP
Boiler
Primary-Secondary
Variable Load System
VS Pump
2
OPERATIONAL LIMITS
These controls are to be used with wet rotor pumps designed
to pump liquids compatible with their cast iron, bronze or
stainless steel body constructions.
Electrical Rating
VS Control: 115v, 60hz, 1Ø
Injection Pump:
115v, 60hz, 1Ø
Max. Rating 1/8 HP
Permanent Split Capacitor
Secondary Loop Pump: 115v, 60hz, 1Ø or 230v, 60hz, 1Ø
Max. Rating of 8 amps
TYPICAL APPLICATIONS (Fig. 1)