Johnson Controls P70 Serie Manual Del Usuario página 7

Model Switch Action
Number
(Cont.)
High Pressure Control Models for High Pressure Non-corrosive Refrigerants
Condenser Fan
P70AA-400
Cycling
SPST Opens Low
P170AA-400
P70CA-400*
P170CA-400*
SPST Opens High
P70DA-400*
P170DA-400*
* Models that are UL Listed as refrigeration pressure limiting controls. For models not included in this table, contact the
Refrigeration Application Engineering Group at 1-800-275-5676 for details and availability.
Note: See Dimensions and Technical Specifications for additional model information including Maximum Working
Pressure.
Electrical Ratings
Table 3: SPST Electrical Ratings (P70A, B, C, D, and P170A, B, C, D Models)
Motor Full-Load
Amperes
Motor Locked-Rotor
Amperes
Non-Inductive Amperes
Pilot Duty
* Not for compressor motor loads
Table 4: SPDT Electrical Ratings Standard Differential Switch (P70E Models)
Motor Full Load Amperes
Motor Locked Rotor Amperes
Non-Inductive Amperes
Pilot Duty
* Rating for P70EC models only
P70, P72, P170 Series Controls for High Pressure Applications Installation Instructions
Range
Psig (kPa)
100 to 470
(689 to 3241)
200 to 610
(1379 to 4206)
200 to 610
(1379 to 4206)
Standard Single-Phase Ratings
120 VAC 208 VAC
24 18.7
144 112.2
22 22
125 VA at 120 to 600 VAC; 57.5 VA at 120 to 300 VDC
120 VAC
16.0
96.0
16.0
125 VA at 120 to 600 VAC
Differential Pressure
Connection
Psi (kPa)
Adjustable 36 in. Capillary with
1/4 in. Flare Nut
35 to 200
1/4 in. Male Flare
(241 to 1379)
Connector
Adjustable 36 in. Capillary with
1/4 in. Flare Nut
60 to 150
1/4 in. Male Flare
(413 to 1034)
Connector
Manual Reset 36 in. Capillary with
Lockout 1/4 in. Flare Nut
1/4 in. Male Flare
Connector
240 VAC *480 VAC
17 5
102 30
22 --
Standard Single-Phase Ratings
208 VAC 240 VAC
9.2 8.0
55.2 48.0
16.0 16.0
Maximum Working
Pressure (MWP)
Psi (kPa)
690
(4757)
Hermetic
Compressor
Single-Phase
Ratings
*600 VAC 208/240 VAC
4.8 24
28.8 144
-- --
*277 VAC
7.0
42.0
16.0
125 VA at 24 to 600 VAC
7