Daikin DCG Series Service Instructions Manual page 96

HEATER KIT WIRING DIAGRAMS
Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
96
HIGH VOLTAGE!
DISCONNECT ALL POWER BEFORE SERVICING OR INSTALLING THIS
UNIT. MULTIPLE POWER SOURCES MAY BE PRESENT. FAILURE TO
DO SO MAY CAUSE PROPERTY DAMAGE, PERSONAL INJURY OR DEATH.
FOR UNITS WITH SERIALS BEFORE 1409
EHK3 - 45 HEAT KIT - 43 KW
EHK4 - 45 HEAT KIT - 43 KW
EHK7 - 45 HEAT KIT - 43 KW
EHK[3, 4, 7]-45