Ps1 Single Pressure Controls - Emerson Copeland Scroll Introduction Manual

PS1 Single Pressure Controls

PS1 Single Pressure Controls are designed for use on high and low
pressure applications in refrigeration, airconditioning, and heat pump
systems, providing single-device control of the compressor or other
electrical device.
Features
• Adjustable pressures and differentials
• Narrow adjustable differential depending on model
• Range and differential pointer in units bar and psig
• Range and differential individually lockable by tab
• High rated SPDT contacts for all versions
• Captive terminal and cover screws
• Manual toggle for system checkout and override
Options
• Different pressure connections
• Automatic and manual reset versions
• Factory set to customer specification
Nomenclature:
PS1
Product Name Housing Variant/function
PS1 = Adjustable A = Pressure control,
single automatic
Pressostat B = Pressure cut out, external
manual reset EN 12263
R = Pressure control, external
manual reset
W = Pressure limiter,
automatic, DIN/EN 12263
31
Specifications
•
•
A
Pressure Range
3 = -0.3 to 7 bar
4 = 2 to 20 bar
5 = 6 to 31 bar
PS1 Series
SPDT switch rated for 12FLA and 72LRA at 240VAC and 16FLA
and 96LRA at 120VAC
Agency approvals include:
UL/CUL file number E85974
CE per (LVD) low voltage directive
5
A = 7/16" - 20 UNF male for 1/4" SAE
male flare
K*= 7/16" - 20 UNF flare nut with 1
meter (3 ft.) cap tube
U = 6mm ODF solder, 80mm length
R = 1/4" male, brass for 1/4" BSPP Fitting
K
Sensor Type