Page 337 - 2018wd_ctr_cat
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                REFRIGERATION CONTROLS
 DUAL PRESSURE CONTROLS
 One SPST switch is operated by both the high pressure and the low pres- sure sides of the control. Fall of the low side below the low set point or Rise of The high side above the high set point will open the switch. Low cutout is temperature or safety control. High setting is safety cutout.
  Control Part No.
O12-1502
O12-1506
Range Differential Power Element
Fittings
Flare Nut
Flare Nut
Flare Nut
(VAC. or P.S.I.) (P.S.I.) Length SPST-Automatic Reset-Low Side Closes-High Side Opens On Rise
     Low Side 12 in.-50 5-35 36
     High Side 150-450 70 Fixed
Low Side 12 in.-50 5-35 36 High Side 100-250 50 Fixed
 O12-1549       Low Side 10 in.-100 10-40       36 High Side 150-450         70 Fixed
          SPST-Auto Reset ON Low Side-Manual or Automatic Reset ON High Side. Closes On Rise
O12-4834 Low Side 10 in.-100 10-40 48 Flare Nut
 High Side 150-450 70 Fixed
  SPST-Manual Reset-Low Side Locks Open On Drop-High Side Locks Open On Rise
 O12-1594 Low Side 10 in.-100 10-Fixed 36 High Side 150-450 60 Fixed
Flare Nut
         ENCAPSULATED PRESSURE CONTROLS
 • Low Pressure, High Pressure, High Pressure Manual Reset and Fan Cycling
• Tamper Proof • Automatic Reset and Manual Reset Versions
• 1⁄4” Female SAE Mounting • Rated 24V, 125VA/110V, 375VA/240V, 375VA • 18” Leads
HIGH PRESSURE
LOW PRESSURE
Tolerance ± 15 Psi
Tolerance ± 5 Psi
 Part No.
Open Close
Part No. Open Close PLP0520           5 20
               PHP200150 PHP250150 PHP275195 PHP300200 PHP350250 PHP375265 PHP400200 PHP400280 PHP400300 PHP425300 PHP450250
200 150 250 150 275 195 300 200 350 250 375 265 400 200 400 280 400 300 425 300 450 250
PLP1025 PLP1535 PLP2550 PLP2565 PLP2580 PLP4080 PLP5090
10 25 15 35 25 50 25 65 25 80 40 80 50 90
                         TEE FITTING FOR EASY ADD-ON SYSTEM ACCESS
Automatic Reset
Manual Reset
  40386
HIGH PRESSURE MANUAL RESET CONTROLS
(A31851) 3 PAK
The disc remains in the reversed position and the electrical contacts remain open until both the deactuation pressure is reached and the manual reset button is pushed.
                   Part No. Opens Closes P100DA-1C 410 Lockout P100DA-2C 475 Manual Reset
     Prices subject to change without notice 331 © 1971 - 2018 w.d. armstrong corp.
  COMMERCIAL REFRIGERATION




















































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