Penn P70 Series User Manual

P70, P72, and P170 Series Controls for Dual Pressure Applications Installation Instructions
3
Installation
Dimensions
See Figure 1 and Figure 2 for dimensional information.
Table 3: Standard Model P70, P72, and P170 All Range Dual Pressure Controls for Non-Corrosive
Refrigerants
Model Code
Number
Switch
Action
Low Pressure Side
psig (kPa)
High Pressure Side
psig (kPa)
Pressure
Connector
Limited
Knob
Adjustment
Range Differential Range Differential
(Non-
Adjustable)
P70LB-1
1
SPST 20 in. Hg to
100 psig
(-68 to 690)
Min 6 (41)
Max 50 (345)
100 to 500
(690 to 3,447)
Fixed
Approximately
65 (448)
36 in. Capillary
with 1/4 in.
Flare Nut
Low CUT OUT
P70MA-1
1
Lockout
Requires
Manual Reset
None
P70NA-1
Fixed (Manual
Reset)
P72LA-1
1
DPST Min 7 (48)
Max 50 (345)
Fixed
Approximately
65 (448)
None
P72LB-1
1
Low CUT OUT
P72MA-1
1
Lockout
Requires
Manual Reset
None
P72NA-1
1
Fixed (Manual
Reset)
P170LB-1
1
SPST Min 7 (48)
Max 50 (345)
Fixed
Approximately
65 (448)
1/4 in. Male
Flare
Connector
Low CUT OUT
P170MA-1
1
Lockout
Requires
Manual Reset
None
P170NA-1
Fixed (Manual
Reset)
1. Control models with high pressure side (only) that are UL Listed as Refrigeration Pressure Limiting Controls.

Penn P70 Series Specifications

General

Brand	Penn
Model	P70 Series
Category	Control Unit
Language	English