Bard MEGA-TEC W150A - 8301-057 Blower Status Switch;Dirty Filter Switch; Figure 59 8301-057 Air Differential Switch

Manual 2100-671C
Page 49 of 59
8301-057 Blower Status Switch/Dirty Filter Switch
FIGURE 59
8301-057 Air Differential Switch
Terminals
1 − Normally Closed
2 − Normally Open
3 − Common
NOTE: Contact position is in resting state.
P2
P1
Connect hose to P2
Hoses need to be connected to
the P2 port (port closest to front)