Honeywell Spyder BACnet PUB1012S Installation Instructions Manual page 9

5. Mount the new controller and actuator assembly (See
"Installation" on page 2.).
6. Reconnect the two air flow pickup tubes to the pressure
sensor (See "Piping (PVB0000AS, PVB4022AS,
PVB4024NS, PVB6436AS, and PVB6438NS)" on page
4).
7. Replace the terminal blocks:
• Insert each terminal block onto its alignment pins.
• Press straight down to firmly seat it.
• Repeat for each terminal block.
8. Restore power to the controller.
Controller Replacement (PVB4024NS
and PVB6438NS)
Perform the following to replace the PVB4024NS and
PVB6438NS controllers:
1. Remove all power from the controller.
2. Remove the two air flow pickup connections from the
pressure sensor.
3. Remove the terminal blocks.
4. Remove the old controller from its mounting.
IMPORTANT
(FOR CONTROLLERS MOUNTED TO A DIN RAIL):
1. Push straight up from the bottom to release the top
pins.
2. Rotate the top of the controller outwards to release
the bottom flex connectors (see Fig. 8 on page 5).
5. Mount the new controller.
• See "Installation" on page 2.
SPYDER® BACNET® PROGRAMMABLE CONTROLLERS
6. Reconnect the two air flow pickup tubes to the pressure
sensor (See "Piping (PVB0000AS, PVB4022AS,
PVB4024NS, PVB6436AS, and PVB6438NS)" on page
4).
7. Replace the terminal blocks:
• Insert each terminal block onto its alignment pins.
• Press straight down to firmly seat it.
• Repeat for each terminal block.
8. Restore power to the controller.
Controller Replacement (PUB1012S,
PUB4024S, and PUB6438S)
Perform the following to replace the PUB1012S, PUB4024S,
and PUB6438S controllers:
1. Remove all power from the controller.
2. Remove the terminal blocks.
3. Remove the old controller from its mounting.
IMPORTANT
(FOR CONTROLLERS MOUNTED TO A DIN RAIL):
1. Push straight up from the bottom to release the top
pins.
2. Rotate the top of the controller outwards to release
the bottom flex connectors (see Fig. 8 on page 5).
4. Mount the new controller (See "Installation" on page 2.).
5. Replace the terminal blocks:
• Insert each terminal block onto its alignment pins.
• Press straight down to firmly seat it.
• Repeat for each terminal block.
6. Restore power to the controller.
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