Carrier WeatherExpert Puron 50JC04, Installation Instructions Manual

Page: 14 / 28

14
Fig. 18 — Power Wiring Connections
Field-Install the NFD Shaft and Handle
1. Remove the control box access panel. The NFD enclosure
is located below the control box (see Fig. 19).
2. Remove (3) cap head screws that secure the NFD enclo -
sure front cover — (2) on the face of the cover and (1) on
the left side cover. See Fig. 20.
3. Remove the front cover of the NFD enclosure.
4. Make sure the NFD shipped from the factory is at OFF
position (the arrow on the black handle knob is at OFF).
5. Insert the shaft with the cross pin on the top of the shaft in
the horizontal position. See Fig. 20.
6. Measure from the tip of the shaft to the top surface of the
black pointer; the measurement should be 3.75 to 3.88-in.
(95 to 99 mm).
7. Tighten the locking screw to secure the shaft to the NFD.
8. Turn the handle to the OFF position with red arrow point -
ing at OFF.
9. Install the handle on to the painted cover horizontally with
the red arrow pointing to the left.
10. Secure the handle to the painted cover with (2) screws and
lock washers supplied.
11. Engaging the shaft into the handle socket, re-install (3)
hex screws on the NFD enclosure.
12. Re-install the unit front panel.
Fig. 19 — NFD Enclosure Location
Fig. 20 — NFD Handle and Shaft Assembly
Field-Install the HACR Shaft and Handle
1. Remove the control box access panel. The HACR enclo -
sure is located below the control box (see Fig. 21).
2. Remove (3) cap head screws that secure the HACR enclo -
sure — (2) on the face of the cover and (1) on the left side
cover. See Fig. 22.
3. Remove the front cover of the HACR enclosure.
4. Make sure the HACR shipped from the factory is at OFF
position (the white arrow pointing at OFF).
5. Insert the shaft all the way with the cross pin on the top of
the shaft in the horizontal position. See Fig. 22.
6. Tighten the locking screw to secure the shaft to the HACR.
7. Turn the handle to the OFF position with red arrow point -
ing at OFF.
TB TB
11 12
Disconnect
per
NEC
208/230-1-60
Disconnect
per
NEC
11 12 13
L1 L2 L3
208/230-3-60
460-3-60
575-3-60
Units Without Single Point Box, Disconnect or HACR Option
Units With Disconnect or HACR Option
L1
L2
L3
2
4
6
1
5
Optional
Disconnect
Switch
Disconnect factory test leads; discard.
Factory
Wiring
3
Equip
GR Lug
Ground
(GR)
Equip GR Lug
Ground
(GR)
3 Phase Only 3 Phase Only
Units With Electric Heat Option with Single Point Box
and Without Disconnect or HACR Option
L1
L2
L3
Single Point Box
Factory
Wiring
Equip GR
Lug
Ground (GR)
Terminal Block
— OR —
L1
L2
L3
Single Point Box
Factory
Wiring
Equip GR
Lug
Ground (GR)
Fuse/Terminal Block
Fuse
Fuse
Fuse