
INSTALLATION OF WALL BOX 30WB
FOR EXISTING CONSTRUCTION
Carefully cut a hole measuring 9 1/4” wide by 12 1/4” long in wall. Wall box BOX4300 must be attached to a
wall stud on one edge. Minimum clearances of 12 “ to adjacent wall and 6” to floor must be maintained ces.
Attach wall box and secure power cable as in new construction.
NOTE: IN THE VERTICAL POSITION THE HEATER CAN BE MOUNTED ONLYFOR TOP DISCHARGE.
FIELD WIRING MUST ENTER THE BOTTOM ON THE LEFT SIDE OF THE HEATER.
INSTALLATION OF HEATERASSEMBLY
1.Place heater into wall box and secure with the screws provided.
2.Connect power supply to heater pigtails with wire nuts or crimp terminals.
INSTALLATION OF GRILLE AND KNOB
1.Place the two no. 8 oval head screws into grille mounting holes.
2.Align grille with heater and secure. Be careful not to over tighten .
3.To install knob, align flat of thermostat shaft with flat on knob. Push knob onto shaft until knob almost touches
grille.
4.For tamper-resistant installation, set thermostat with knob, remove knob and replace with hole plug. Retain
knob for future use.
OPERATION
1.Turn on the power supply to heater.
2.Rotate thermostat knob fully clockwise.
3.Allow the room to reach desired temperature, then rotate thermostat knob counter clockwise until the heater
de-energizes.
4.For remote thermostat operation, thermostat wiring must be the same size as power supply wiring.
NOTE: This heater is quipped with a manual reset limit control. Disconnect power at main source before reset
button is pushed.
FORM: 8979
ECO 1-5550
FIG. 1