Haverland HERCULES Series Instruction Manual page 20

1) Insert the fasteners and fit the brackets on the wall.
2) Hang the unit on the fixed bracket gently. After making
sure the unit is correctly fixed, place the locking lever in
the locked position.
Warning: Before using the heater, make sure it's firmly
mounted to the wall.
III. Instructions for use
Control panel and screen.
1)