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P70, P72, and P170 Series Controls for Low Pressure Applications Installation Instructions 

9

Technical Specifications  

  

 

Table 6:  SPST Electrical Ratings (P70A, B, C, D, and P170A, B, C, D Type Models)

Standard Single-Phase Ratings

Hermetic 
Compressor
Single-Phase 
Ratings

120 
VAC

208 
VAC

240 
VAC

480 

VAC

1

600 VAC

1

208/240 VAC

Motor Full-Load Amperes

24

18.7

17

5

4.8

24

Motor Locked-Rotor Amperes

144

112.2

102

30

28.8

144

Non-Inductive Amperes

22

22

22

--

--

--

Pilot Duty

125 VA at 120–600 VAC; 57.5 VA at 120–300 VDC

1.

Not for compressor motor loads.

Table 7:  SPDT Electrical Ratings Standard Differential Switch (P70E Type Models)

Standard Single-Phase Ratings

120 VAC

208 VAC

240 VAC

277 VAC

1

Motor Full Load Amperes

16.0

9.2

8.0

7.0

Motor Locked Rotor 
Amperes

96.0

55.2

48.0

42.0

Non-Inductive Amperes

16.0

16.0

16.0

16.0

Pilot Duty

125 VA at 120–600 VAC

125 VA at 24–600 VAC

1.

Rating for P70EC models only

Table 8:  4-Wire, 2-Circuit Electrical Ratings (P70G, H, J, K, and P170K Type Models)

Standard Single-Phase Ratings

Line-M2(Main Contacts)

Line-M1(Auxiliary Contacts)

120 
VAC

208 
VAC

240 
VAC

277 
VAC

480 

VAC

1

600 

VAC

1

120 
VAC

208 
VAC

240 
VAC

277 
VAC

Motor Full Load 
Amperes

16.0

9.2

8.0

--

5

4.8

6.0

3.3

3.0

--

Motor Locked Rotor 
Amperes

96.0

55.2

48.0

--

30

28.8

36.0

19.8

18.0

--

Non-Inductive 
Amperes

16.0

9.2

8.0

7.2

--

--

6.0

6.0

6.0

6.0

Pilot Duty (for both 
sets of contacts)

125 VA at 24–600 VAC; 57.5 VA at 120–300 VDC

1.

Not for compressor motor loads

Summary of Contents for P170 Series

Page 1: ...ure Limited Knob Adjustment which restricts adjustment of the pressure settings and deters overadjustment or tampering See Limited Knob Adjustment The Manual Reset Lockout mechanism does not allow the...

Page 2: ...Connection Maximum Overpressure psig kPa P70AA 5 SPST Open Low 20 in Hg to 100 psig 68 to 690 kPa Minimum 7 48 Maximum 50 345 1 4 in SS Female NPT 325 2 241 P70CA 4 SPST Open High Table 4 Standard P7...

Page 3: ...ure 1 Dimensions of P70 P72 and P170 Pressure Controls with NEMA 1 Enclosures in mm Figure 2 Dimensions of P70 P72 and P170 Pressure Controls with NEMA 3R Enclosures in mm CAUTION Risk of Property Dam...

Page 4: ...lowing applicable wiring diagrams when wiring the control See Figure 4 through Figure 7 and Table 5 for switch actions and models Also see Technical Specifications WARNING Risk of Electric Shock Disco...

Page 5: ...SPST Open High Cut In Closes Line to M1 Cutout Opens Line to M1 P70C P70D P170C P170D Single Pole Double Throw SPDT Opens 1 to 2 and Closes 1 to 3 Closes 1 to 2 and Opens 1 to 3 P70E 4 Wire 2 Circuit...

Page 6: ...k of Environmental and Property Damage Avoid sharp bends in the capillary tubes Sharp bends can weaken or kink capillary tubes which may result in refrigerant leaks or restrictions of flow CAUTION Ris...

Page 7: ...Kit 1 Adjust control pointers to desired high event and low event setpoints on All Range controls or differential setting on MICRO SET controls 2 Place spacer on the proper adjustment screw All Range...

Page 8: ...necessary Manual Reset Operation Pressure controls with the Manual Reset option lock out when they reach Cutout pressure and must be manually reset by the user to restart the controlled equipment The...

Page 9: ...Standard Single Phase Ratings 120 VAC 208 VAC 240 VAC 277 VAC1 Motor Full Load Amperes 16 0 9 2 8 0 7 0 Motor Locked Rotor Amperes 96 0 55 2 48 0 42 0 Non Inductive Amperes 16 0 16 0 16 0 16 0 Pilot...

Page 10: ...atible Models 1 4 in stainless steel female NPT connection Ambient Temperature P70E and P70F Type Models 50 to 104 F 10 to 40 C All Other Models 40 to 140 F 40 to 60 C Case and Cover NEMA 1 Enclosures...

Page 11: ...la presi n en aplicaciones cr ticas de baja presi n Algunos modelos est n disponibles con Ajuste de Perilla Limitado que restringe ajuste de la presi n y evita un ajuste excesivo o el manejo inexperto...

Page 12: ...baja 20 pulg Hg a 100 psig 68 a 690 kPa M nimo 7 48 M ximo 50 345 NPT Hembra de Acero Inoxidable de 1 4 pulg 325 2 241 P70CA 4 SPST Abierto en alta Tabla 4 Modelos Est ndar de Control P70 P72 y P170 p...

Page 13: ...taje NEMA 1 2 pul 3 1 4 83 13 16 20 2 13 16 71 1 11 16 43 1 3 4 44 FIG NEMA1_LP_span Figura 2 Dimensiones de los Controles de Presi n P70 P72 y P170 con Cajas NEMA 3R pulg mm 4 1 16 104 4 1 16 104 5 8...

Page 14: ...modelos Ver Clasificaciones El ctricas Figura 3 Instalaci n de los Controles de Presi n Baja P70 P72 y P170 con Cajas NEMA 1 Utilice los tornillos de montaje provistos Los tornillos mas largos pueden...

Page 15: ...Eventos Bajos Eventos Altos Tipos de Modelo y Tabla de Referencia de Clasificaci n El ctrica Interruptor y Acci n Evento Bajo Evento Alto Tipos de Modelos Tabla de Referencia de Clasificaci n El ctri...

Page 16: ...esultar a en fugas de refrigerante u obstrucciones de flujo PRECAUCI N Riesgo de da os al medio ambiente y a la propiedad Enrolle y asegure cuidadosamente el exceso de tubo capilar lejos del contacto...

Page 17: ...e rango Para bloquear el punto de ajuste del evento alto y permitir el ajuste limitado del punto de ajuste del evento bajo en controles Todo Rango o ajuste del diferencial en controles MICRO SET insta...

Page 18: ...eben restablecerse manualmente por el usuario para reiniciar el equipo controlado El mecanismo de restablecimiento manual de movimiento Libre y no puede restablecerse al bloquear o sujetar el bot n de...

Page 19: ...Monof sicos Est ndares 120 VCA 208 VCA 240 VCA 277 VCA Amperios del Motor con Carga Completa 16 0 9 2 8 0 7 0 Amperios del Motor con el Rotor Bloqueado 96 0 55 2 48 0 42 0 Amperios No Inductivos 16 0...

Page 20: ...do Rango 100 psig 690 kPa Modelos MICRO SET 80 psig 551 kPa M xima Sobrepresi n no recurrente Modelos de Todo Rango 325 psig 2239 kPa Modelos MICRO SET 525 psig 3617 kPa Condiciones Ambientales Tipos...

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