6
P70, P72, P170 Series Controls for High Pressure Applications Installation Instructions
Table 2: Standard P70, P72, and P170 Control Models for High Pressure Applications
Model
Number
Switch Action
Range
Psig (kPa)
Differential
Psi (kPa)
Pressure
Connection
Maximum Working
Pressure (MWP)
Psi (kPa)
Condenser Fan Cycling Control Models (for Noncorrosive Refrigerants)
P70AA-118
SPST
Open-Low
100 to 400
psig
(690 to 2758)
Minimum 35
(241)
Maximum 200
(1379)
36 in. Capillary with
1/4 in. Flare Nut
475
(3275)
P72AA-27
DPST
Open-Low
100 to 400
psig
(690 to 2758)
Minimum 35
(241)
Maximum 200
(1379)
P170AA-118
SPST
Open-Low
1/4 in. Male
Flare Connector
All-Range Control Models (for Noncorrosive Refrigerants)
P70CA-2*
SPST
Open-High
50 to 500
(345 to 3448)
Minimum 60
(414)
Maximum 150
(1034)
1/4 in. Male
Flare Connector
525
(3620)
P70CA-3*
36 in. Capillary with
1/4 in. Flare Nut
P70DA-1*
Manual Reset
Lockout
P70KA-1*
4-Wire, 2-Circuit
Line-M1 Close-High
Line-M2 Open-High
P72CA-2*
DPST
Open-High
Minimum 60
(414)
Maximum 150
(1034)
P72DA-1*
manual Reset
Lockout
P170CA-3*
SPST
Open-High
Minimum 60
(414)
Maximum 150
(1034)
1/4 in. Male
Flare Connector
P170DA-1*
Manual Reset
Lockout
P170KA-1*
4-Wire, 2-Circuit
Line-M1 Close-High
Line-M2 Open-High
Ammonia-Compatible Models
P70AA-119
SPST
Open-Low
50 to 300
Minimum 20
(138)
Maximum 120
(827)
1/4 in. SS
Female NPT
525
(3620)
P70CA-5*
SPST
Open-High
50 to 500
(345 to 3448)
Minimum 60
(414)
Maximum 150
(1034)
P70DA-2*
Manual Reset
Lockout
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