17
NSKW INSTALLATION MANUAL
Electrical Data cont.
Electrical
Be sure the available power is the same voltage and phase
as that shown on the unit serial plate. Line and low voltage
wiring must be done in accordance with local codes or the
17th Edition IEE Wiring Regulations, whichever is applicable.
Refer to the Electrical Data table for wire and fuse or circuit
breaker sizing information.
NSKW Control Box Relocation
The control box can be installed on the rear of the unit. To
relocate the control box, follow the procedures below.
1. Remove all power sources to the unit.
2. Remove the unit’s top panel.
3. Cut all plastic wire ties to the following:
a) High pressure switch (black wires)
b) Low pressure switch (blue wires)
c) Freeze sensing (yellow wires)
d) Load temperature sensor (black wires)
e)
Compressor
wires
4. Remove the four screws from the control box.
5. Relocate the control box to opposite end of the unit.
6. Using the screws removed in step 4 above, reattach the
control box.
7. Secure all wires so they do not come in contact with
refrigerant lines.
8. Replace the top of the unit.
9. Replace both access panels.
10. Reapply power sources.
NOTE:
If geothermal storage tank is used, connect yellow
thermistor wires from the bottom access panel of the tank
to spade connectors 3 and 4 on the terminal block.
