Typical installation, Connect the wiring, Typical installation connect the wiring – Bell & Gossett P81568D Series 1535 User Manual
Page 14
Typical installation
3
4
5
6
7
8
2
9
10
11
1
12
1.
Compression tank (located in the suction piping)
2.
Rolairtrol air separator
3.
System supply
4.
Flo-control valve
5.
Circuit setter
6.
Triple duty valve
7.
Pump
8.
Suction diffuser
9.
Isolation valve
10. Pipe from boiler, chiller, or converter
11. Cold water supply
12. Reducing valve
Connect the wiring
WARNING:
• Disconnect and lock out electrical power before installing or servicing the pump.
• Motors without built-in protection must be provided with contactors and thermal
overload protection for single-phase motors, or starters with heaters for three-phase
motors. (See the nameplate on the drive unit to select properly-sized overloads.)
Electrical Hazard:
Make sure that all connections are secure and the conduit box cover is closed before you
connect the electrical power.
1. Remove the screws that secure the conduit box cover.
2. Lift off the cover.
3. Attach the appropriately sized connector to the hole in the side of the conduit box.
The circulators are thermally protected by impedance or on-winding thermal protectors
and do not require external overload protection.
Installation
Series 1535 Installation, Operation, and Maintenance Manual
13
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