Daikin DBC Series Installation Instructions Manual page 8

• Some disconnect switches are not fused. Protect the
power leads at the point of distribution in accordance with
the unit's data plate.
• The unit must be electrically grounded in accordance with
local codes or, in the absence of local codes, with the latest
edition of the National Electrical Code (ANSI-NFPA 70). A
ground lug is provided for this purpose. Size grounding
conductor in accordance with Table 250-95 of the National
Electrical Code. Do not use the ground lug for connecting
a neutral conductor.
• Connect power wiring to the middle contactor within the
main control box or power block, if equipped.
Line voltage connects
to middle contactor
on 460v and 575v
Gas Packs
(or power block
if equipped)
Power Block
(Coolers &
230V Gas Packs
Only)
Line voltage connects
to power block on
Coolers and the 230v
Gas Packs
Field wiring enters
from this direction
15-20 TON TSTAT POWER AND LOW VOLTAGE TERMINAL LOCATIONS
Route field
control wiring
through
grommet
Ground
Lug
Field wiring
enters from
this direction
25 TON TSTAT POWER AND LOW VOLTAGE TERMINAL LOCATIONS
NOTE: Depending on the options installed, the location of the
components may vary in some models.
Low Voltage
Terminal Strip
Thermostat wiring
for all units
connect to low
voltage strip
15-20 TON DDC POWER AND LOW VOLTAGE TERMINAL LOCATIONS
8
LOW
HIGH
Ground Lug
Field connection
for
control wiring
at
terminal block
Field
connection
for
line voltage