The low-pressure switch is an automatic reset control
closes at 80 PSIG.
Flow Switch:
The flow switch senses liquid solution flow. The paddle of the
Pump Relay / Contactor:
The pump relay energizes the pump through a normally
by 24 vac.
that senses compressor suction line pressure. It opens at 40 PSIG and
Description of Electrical Controls (continued)
Low Pressure Switch:
through the two or three normally open contacts. The contactor coil operates
(closes the contacts) when energized by 24 vac.
open contact. The pump relay coil operates (closes the contact) when energized
flow deflects the paddle closing the switch. The flow switch is position sensitive.
The arrow
↑
on the switch must point in the direction of liquid solution flow.
Compressor Contactor
The compressor contactor energizes the compressor
19
switch is inserted through a fitting into the pump discharge line. Liquid solution
Содержание MACH-060-1
Страница 12: ...11 ...
Страница 33: ...32 MACH060 01 Wiring Diagram 208 230 1 50 60 ...
Страница 34: ...33 MACH060 01 with Low Ambient Kit Wiring Diagram 208 230 1 50 60 ...