3
LOW VOLTAGE WIRE HARNESS
HIGH VOLTAGE WIRE HARNESS
POWER EXHAUST ASSEMBLY
TO HV POWER BLOCK
ECONOMIZER
PULL WIRE HARNESSES
THRU WIRE GROMMET
Figure 2 – 3-6 Ton Power Exhaust Wiring
LOW VOLTAGE WIRE HARNESS
HIGH VOLTAGE WIRE HARNESS
POWER EXHAUST ASSEMBLY
TO HV POWER BLOCK
ECONOMIZER
PULL WIRE HARNESSES
THRU WIRE GROMMET
Figure 3 – 7½-12½ Ton Power Exhaust Wiring
5. Plug the other end of the high voltage harness into
the unit single point connection on the partition panel.
(Fig. 4)
Figure 4 - Single Point Connection
NOTE: If the unit is not equipped with single point
connection, external power must be supplied to
the power exhaust. DO NOT CONNECT TO UNIT
POWER. Unit MCA and MOP calculated based on
factory installed equipment, so components may
not be sized appropriately.
6. Remove the unit control panel and securely terminate
the single point connection leads to the unit power
block (line side of compressor contactor on 3-6 ton
DBG) and ground lug. Replace the unit control panel
when complete. (Fig. 5)
Figure 5 - Single Point Connection Leads
