Honeywell Spyder PUL1012S, Manual

Page: 23 / 24

SPYDER® LON PROGRAMMABLE, VAV/UNITARY CONTROLLERS
23 63-2685—03
6. Reconnect the two air flow pickup tubes to the pressure
sensor (See “Piping (PVL0000AS, PVL4022AS,
PVL4024NS, PVL6436AS, and PVL6438NS)” on
page 7.).
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.
9. Perform “Checkout” on page 21.
Controller Replacement (PVL4024NS
and PVL6438NS)
Perform the following to replace the PVL4024NS and
PVL6438NS 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.
• See “Terminal Block Removal” on page 22..
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 7).
5. Mount the new controller.
• See “Installation” on page 4.
6. Reconnect the two air flow pickup tubes to the pressure
sensor (See “Piping (PVL0000AS, PVL4022AS,
PVL4024NS, PVL6436AS, and PVL6438NS)” on
page 7.).
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.
9. Perform “Checkout” on page 21.
Controller Replacement (PUL1012S,
PUL4024S, and PUL6438S)
Perform the following to replace the PUL1012S, PUL4024S,
and PUL6438S controllers:
1. Remove all power from the controller.
2. Remove the terminal blocks (See “Terminal Block
Removal” on page 22.).
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 7).
4. Mount the new controller (See “Installation” on page 4.).
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.
7. Perform “Checkout” on page 21.