P—P70, P72, and P170 Controls for Low Pressure Applications Product/Technical Bulletin 9
O
rdering Information
P70, P72, and P170 controls for low pressure
applications are available in a variety of standard and
non-standard models.
Table 2 lists the standard models available through
most Johnson Controls/PENN Authorized Distributors.
Table 3 is a model identification matrix that depicts all
the potential P70, P72, and P170 control models. Not
all control models depicted in Table 3 are
manufactured and available.
Figure 11 illustrates the pressure connection styles
available on P70, P72, and P170 control models.
Contact your Johnson Controls/PENN Authorized
Representative for availability and price.
Table 2: Standard P70, P72, and P170 Controls for Low Pressure Applications
Code
Number
Switch
Action
Range
psig (kPa)
Differential
psi (kPa)
Pressure
Connection
Limited Knob
Adjustment
MICRO-SET Controls (For Non-Corrosive Refrigerants)
P70AB-12
36 in. Cap. with
1/4 in. Flare Nut
P170AB-12
SPST
Open Low
12 in. Hg
to 80
(-41 to 551)
Minimum 5 (34)
Maximum 35 (241)
1/4 in. Male Flare
Connector
Supplied,
but not assembled
ALL-RANGE Controls (For Non-Corrosive Refrigerants)
P70AB-1
1/4 in. Male Flare
Connector
P70AB-2
SPST
Open Low
36 in. Cap. with
1/4 in. Flare Nut
Supplied,
but not assembled
P70CA-1
SPST
Open High
Minimum 7 (48)
Maximum 50 (345)
36 in. Cap. with
1/4 in. Flare Nut
None
P70EA-10
SPDT
1 to 3 Open Low
1 to 2 Close Low
5 (34)
Fixed
1/4 in. Male Flare
Connector
None
P72AA-1
None
P72AB-1
DPST
Open Low
36 in. Cap. with
1/4 in. Flare Nut
Mounted on
Differential Screw
P170AB-2
SPST
Open Low
Mounted on
Differential Screw
P170CA-1
SPST
Open High
20 in. Hg
to 100
(-68 to 690)
Minimum 7 (48)
Maximum 50 (345)
1/4 in. Male Flare
Connector
None
ALL-RANGE Controls (Ammonia Compatible)
P70AA-5
SPST
Open Low
P70CA-4
SPST
Open High
20 in. Hg
to 100
(-68 to 690)
Minimum 7 (48)
Maximum 50 (345)
1/4 in. SS Female NPT None
Note: See Dimensions and Specifications for additional model information including Maximum Working Pressure and
Maximum Over-pressure ratings.
To Next Page
Loading...
