12 P—P70, P72, and P170 Controls for Low Pressure Applications Product/Technical Bulletin
Table 8: DPST Electrical Ratings (P72A, B, C, and D Models)
Standard Ratings
Hermetic
Compressor Ratings
120 VAC
1Ø
208 VAC
1Ø
240 VAC
1Ø
208 VAC
3Ø
220 VAC
3Ø
208 VAC
1Ø
240 VAC
1Ø
Motor Horsepower
2335 5 -- --
Motor Full-Load Amperes
24 18.7 17 15.9 15 24 24
Motor Locked-Rotor Amperes
144 112.2 102 95.4 90 144 144
AC Non-Inductive Amperes
24 24 24 24 24 -- --
DC Non-Inductive Amperes
3 0.5 0.5 0.5 0.5 -- --
Pilot Duty
125 VA at 120 to 600VAC; 57.5 VA at 120 to 300 VDC
S
pecifications
Product P70, P72, and P170 Controls for Low Pressure Applications
Switch Action P70, P170: SPST; 4-wire/2-circuit; or SPDT PENN switch P72: DPST
Pressure Connection P70, P72 Standard Models
various connections available
See Figure 11.
P170 Standard Models
1/4 in. SAE male flare
See Figure 11.
Ammonia Compatible Models
1/4 in. stainless steel female
NPT connection
See Figure 11.
Maximum Overpressure All-Range: 325 psig (2239 kPa)
MICRO-SET: 525 psig (3617 kPa)
Maximum Working
Pressure
All-Range: 100 psig (690 kPa)
MICRO-SET: 80 psig (551kPa)
Ambient Temperature 50 to 104°F (10 to 40°C)
Case and Cover
NEMA 1 Enclosures—case is galvanized steel; cover is plated and painted steel.
NEMA 3R Enclosures—case and cover are plated and painted steel.
Dimensions (H x W x D)
NEMA 1 Enclosure: 3.25 x 3.98 x 2.09 in. (83 x 101 x 53 mm)
NEMA 3R Enclosure: 4.08 x 4.08 x 2.92 in. (104 x 104 x 74 mm)
Approximate Shipping
Weight
Individual: (NEMA 1 Enclosure) 2.4 lb (1.08 kg);
Bulk pack: (NEMA 1 Enclosure in multiples of 25 controls) 60 lb (27.2 kg)
Agency Listings For information on specific items, contact Refrigeration Application Engineering
at (414) 524-5535.
Accessories 271-51 Universal Mounting Bracket (supplied with standard controls)
The performance specifications are nominal and conform to acceptable industry standards. For application at conditions beyond these
specifications, contact Refrigeration Application Engineering at (414) 524-5535. Johnson Controls, Inc. shall not be liable for damages
resulting from misapplication or misuse of its products.
Controls Group www.johnsoncontrols.com
507 E. Michigan Street FAN 125
P.O. Box 423 Master Catalog
Milwaukee, WI 53201 Printed in U.S.A.
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