Takagi 110U Indoor (T-KJr2U-IN) Installation Manual And Owner's Manual page 21

WARNING
CAUTION
All indoor models come with a power plug instead of a junction box. The following procedure is for
outdoor models only.
1.
2.
3.
4.
5.
Indoor models only
-Pressure relief valve-
"pressure only"
ANSI Z21.22
ELECTRICAL CONNECTIONS
120 VAC, 60 Hz electrical power supply that is properly grounded
Outdoor models only
CAN 1-4.4
Green screw
Connect
power supply
120VAC, 60Hz
Ground