Johnson Controls Penn Serie Instrucciones De Instalación página 5

Figure 6: Typical Wiring for 4-Wire, 2-Circuit
Switch (P70G and H Type Models)
Table 5: Single Pressure Controls Switch Action, Low Events, High Events, Model Types, and Electrical
Rating Table References
Switch and Action
Single-Pole Single-Throw
(SPST) Open-Low
SPST Open-High
Single-Pole Double-Throw
(SPDT)
4-Wire, 2-Circuits,
1 N.O., 1 N.C.
Open-Low
4-Wire, 2-Circuits,
1 N.O., 1 N.C.
Open-High
Double-Pole Single-Throw
(DPST)
Open-Low
DPST
Open-High
P70, P72, and P170 Series Controls for Low Pressure Applications Installation Instructions
Low Event
Cutout
(Opens Line to M1)
Cut In
(Closes Line to M1)
Opens 1 to 2 and
Closes 1 to 3
Cutout
(Opens M2 to Line and
Closes M1 to Line)
Cut In
(Closes M2 to Line and
Opens M1 to Line)
Cutout
(Opens M1 to Line and
M2 to Line)
Cut In
(Closes M1 to Line and
M2 to Line)
Figure 7: Typical Wiring for DPST Switch
(P72A and B Type Models)
High Event
Cut In
(Closes Line to M1)
Cutout
(Opens Line to M1)
Closes 1 to 2 and
Opens 1 to 3
Cut In
(Closes M2 to Line and
Opens M1 to Line)
Cutout
(Opens M2 to Line and
Closes M1 to Line)
Cut In
(Closes M1 to Line and
M2 to Line)
Cutout
(Opens M1 to Line and
M2 to Line)
Model Types
P70A, P70B, P170A
P70C, P70D, P170C, P170D
P70E
P70G, P70H
P70J, P70K, P170K
P72A, P72B
P72C, P72D
5