Johnson Controls Penn Serie Instrucciones De Instalación página 2

Table 2: Standard P70, P72 and P170 Control Models for Low Pressure Applications (For High Pressure
Non-Corrosive Refrigerants)
Model Switch Action
Number
P70AA-2 SPST
Opens-Low
P170AA-2
Table 3: Standard P70, P72 and P170 Control All-Range Models for Low Pressure Applications (Ammonia
Compatible)
Model Switch Action
Number
P70AA-5 SPST
Open-Low
P70CA-4 SPST
Open-High
Table 4: Standard P70, P72 and P170 All-Range Control Models for Low Pressure Applications (For Non-
Corrosive Refrigerants)
Model Switch Action
Number
P70AB-1 SPST
Open-Low
P70AB-2
P70CA-1 SPST
Open-High
P70EA-10 SPDT
1 to 3 Open-Low
1 to 2 Close-Low
P72AA-1 DPST
Open-Low
P72AB-1
P170AB-2 SPST
Open-Low
P170CA-1 SPST
Open-High
2 P70, P72, and P170 Series Controls for Low Pressure Applications Installation Instructions
Range Differential
in. Hg to psig psi (kPa)
(kPa)
0 to 150 psig Adjustable
(0 to 1,034 kPa) 10 to 70
(69 to 483)
Range Differential
in. Hg to psig psi (kPa)
(kPa)
20 in. Hg to Minimum 7 (48)
100 psig Maximum 50 (345)
(-68 to 690 kPa)
Range Differential
in. Hg to psig psi (kPa)
(kPa)
20 in. Hg to Minimum 7 (48)
100 psig Maximum 50 (345)
(-68 to 690 kPa)
5 (34)
Fixed
Minimum 7 (48)
Maximum 50 (345)
Pressure Maximum
Connection Overpressure
psig (kPa)
36 in. Capillary with 325
1/4 in. Flare Nut (2,241)
1/4 in. Male Flare
Connector
Pressure Maximum
Connection Overpressure
psig (kPa)
1/4 in. SS Female 325
NPT (2,241)
Pressure Maximum
Connection Overpressure
psig (kPa)
1/4 in. Male Flare 325
Connector (2,241)
36 in. Cap. with
1/4 in. Flare Nut
36 in. Cap. with
1/4 in. Flare Nut
1/4 in. Male Flare
Connector
36 in. Cap. with
1/4 in. Flare Nut
1/4 in. Male Flare
Connector