Johnson Controls Serie Instrucciones De Instalación página 11

Table 7: DPST Electrical Ratings (P72L, M, and N Types) (Part 2 of 2)
Motor Full Load Amperes
Motor Locked Rotor Amperes
AC Non-Inductive Amperes
DC Non-Inductive Amperes
Pilot Duty
1. Not for compressor motor loads
P70, P72, and P170 Controls for Dual Pressure Applications
Switch Action
Pressure Connection
Maximum Overpressure
(non-recurring)
Maximum Working
Pressure
Ambient Conditions
Case and Cover
Dimensions (H x W x D)
Approximate
Shipping Weight
Agency Listings
Accessories
The performance specifications are nominal and conform to acceptable industry standards. For application at conditions beyond these
specifications, contact Refrigeration Application Engineering at 1-800-275-5676. Johnson Controls, Inc. shall not be liable for damages resulting
from misapplication or misuse of its products.
P70, P72, and P170 Series Controls for Dual Pressure Applications Installation Instructions
Standard Ratings
120 208 240
VAC VAC VAC
1Ø 1Ø 1Ø
24 18.7 17
144 112.2 102
24 24 24
3 0.5 0.5
125 VA at 120 to 600 VAC; 57.5 VA at 120 to 300 VDC
P70, P170: SPST or 4-Wire, 2-Circuit
P70S, P170S: Two independent SPDT PENN® switches
P72: DPST
P70, P72 Standard Models: various connections available (Styles 5, 13, 15, 34, 37)
P170 Standard Models 1/4 in. male flare hose connection (Style 5)
P70LA-2, P70MA-2 Ammonia-Compatible Models 1/4 in. female NPT connection (Style 15)
Low Side All-Range: 325 psig (2,241 kPa)
Low Side MICRO-SET®: 525 psig (3,620 kPa)
High Side (All-Range and MICRO-SET®): 525 psig (3,620 kPa)
Low Side All-Range: 100 psig (690 kPa)
Low Side MICRO-SET®: 80 psig (552 kPa)
High Side (All-Range and MICRO-SET®): 500 psig (3,447 kPa)
-40 to 140°F (-40 to 60°C)
NEMA 1 Enclosures: Galvanized steel case, plated and painted steel cover
NEMA 3R Enclosures: Plated and painted steel case and cover
NEMA 1 Enclosure: 3-1/4 x 5-11/16 x 2-1/16 in. (83 x 144 x 53 mm)
NEMA 3R Enclosure: 4-13/16 x 5-13/16 x 3-3/8 in. (122 x 148 x 86 mm)
NEMA 1 Enclosures
Individual: 3.5 lb (1.6 kg)
Bulk pack (25 controls): 75.5 lb (34.2 kg)
NEMA3R Enclosures
Individual: 4.7 lb (2.1 kg)
Bulk pack (25 controls): 116.5 lb (52.9 kg)
For information on specific models, contact Refrigeration Application Engineering at
1-800-275-5676.
271-51 Universal Mounting Bracket (supplied with standard controls)
208 220 480
VAC VAC VAC
3Ø 3Ø 1
1Ø
15.9 15 5
95.4 90 30
24 24 --
0.5 0.5 --
Hermetic
Compressor
Ratings
600 208 240
VAC VAC VAC
1 1Ø 1Ø
1Ø
4.8 24 24
28.8 144 144
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