Johnson Controls Penn P70 Series Product/Technical Bulletin page 10

Table 2: Identification Matrix for P70, P72, and P170 Controls Dual Pressure Applications
P70 Various pressure connection styles available on many models (See Figure 13.)
P170 1/4 in. male flare pressure connection only (Style 5, see Figure 13.)
P72 DPST switch only, 3/4 in. conduit opening on most models, (P,Q, R, S, types not available)
L SPST switch (except P72), automatic reset
M SPST switch (except P72), high side manual reset lockout switch
N SPST switch (except P72), high and low side manual reset lockout switch
P 4-wire, 2-circuit switch, automatic reset
Q 4-wire, 2-circuit switch, high side manual reset lockout switch
R 4-wire, 2-circuit switch, high and low side manual reset lockout switch
S Two SPDT switches, convertible high side reset--auto/manual lockout
A NEMA 1 enclosure, no adjustment knob
B NEMA 1 enclosure, with adjustment knob
C No enclosure, no adjustment knob
D No enclosure, with adjustment knob
E NEMA 3R enclosure, no adjustment knob
G NEMA 3R enclosure, no adjustment knob, 1/2 in. conduit
H NEMA 1 enclosure, no adjustment knob, 1/4 in. quick connects
J NEMA 1 enclosure with adjustment knob, 1/4 in. quick connects
N NEMA 1 enclosure no adjustment knob, transportation application
P NEMA 1 enclosure with adjustment knob, transportation application
S NEMA 3R enclosure, no adjustment knob, transportation application
Note: Not all combinations shown on this chart are available. To verify product availability and for quantity orders
of non-standard items, please contact Refrigeration Application Engineering at (414) 524-5535.
Style 13 or 45
Copper Capillary with
1/4 in. SAE Female
Flare Connector
(Style 45 includes a
valve stem depressor.)
*Note: Style 5, 1/4 in. SAE Male Flare
Figure 13: Pressure Connection Styles Available on P70, P72, and P170 Controls
10 P—P70, P72, and P170 Controls for Dual Pressure Applications Product/Technical Bulletin
Style 37 Style 34
Copper Capillary with Copper Capillary with
1/4 in. SAE Female 1/4 in. Copper Sweat
Flare Connector
with 90° Bend
Connector may require a copper flare saver gasket, which must be purchased separately.
Style 15
1/4 - 18 NPT Female Thread;
Brass for Use with
Non-corrosive Refrigerants,
Stainless Steel for Use
with Ammonia
Style 5
7/16 - 20 UNF-2A Thread;
1/4 in. SAE Male
Flare Connector*