Install Instructions
Table Of Contents
- Application
- Mounting
- Pressure Connections
- Avoid Sharp Bends in the Capillary Tube
- Allow for Slack in the Capillary Tube
- Coil and Secure Excess Capillary Tubing
- Avoid Contact between the Capillary Tubing and Sharp or Abrasive Objects
- Do Not Overtighten Flare Nuts on Pressure Connection Line Fittings
- Avoid Severe Pressure Pulsation at Pressure Connections
- Wiring
- Adjustments
- Technical Specifications
- Especificaciones Técnicas
Table 6: DPST Electrical Ratings (P72A, B, C, and D Type Models)
Standard Ratings Hermetic
Compressor
Ratings
120
VAC
1Ø
208
VAC
1Ø
240
VAC
1Ø
208
VAC
3Ø
220
VAC
3Ø
*480
VAC
1Ø
*600
VAC
1Ø
208
VAC
1Ø
240
VAC
1Ø
Motor Full-Load Amperes
24 18.7 17 15.9 15 5 4.8 24 24
Motor Locked-Rotor Amperes
144 112.2 102 95.4 90 30 28.8 144 144
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 600 VAC; 57.5 VA at 120 to 300 VDC
* Not for compressor motor loads
Technical Specifications
Product
P70, P72 and P170 Series 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.
P170 Standard Models
1/4 in. SAE male flare
Ammonia Compatible 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: 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: 3-1/4 x 4 x 2-1/16 in. (83 x 101 x 53 mm)
NEMA 3R Enclosure: 4-1/16 x 4-1/16 x 2-15/16 in. (104 x 104 x 74 mm)
Approximate Shipping
Weight
Individual Pack: (NEMA 1 Enclosure) 2.4 lb (1.08 kg);
Bulk Pack: (NEMA 1 Enclosure in multiples of 25 controls) 60 lb (27.2 kg)
Compliance
For information on specific models, contact Refrigeration Application Engineering
at 1-800-275-5676.
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 1-800-275-5676. Johnson Controls, Inc. shall not be liable for damages
resulting from misapplication or misuse of its products.
Controls Group
507 E. Michigan Street
P.O. Box 423 Published in U.S.A.
Milwaukee, WI 53201
www.johnsoncontrols.com
8 P70, P72, and P170 Series Controls for Low Pressure Applications Installation Instructions