Grain Systems PNEG-012 - Manual (Page 11)

4. Installation
PNEG-012 Vane Axial Heater 11
IMPORTANT: Heater must be interlocked with fan for safe operation.
Heater Power Connection
1. Connect power cord to fan control box.
2. Make field connections in fan box as shown in Figure 4A .
3. Connect deluxe thermostat control as shown in Figure 4A .
IMPORTANT: Thermostat must be installed for safe operation.
Figure 4A Heater Wiring Installation on a Fan Unit