State SBL85 390NE A - Manual (Page 23)

21 Servicing should only be performed by a Qualified Service Technician
CONTROLS OVERVIEW - CONTROL BOX ASSEMBLY
Variable
Frequency
Drive
Digital
Thermostat
Ignition
Control
Blocked
Inlet Switch
Blocked
Outlet
Switch
Blower
Prover
Switch
ON/OFF
Switch
High Speed
I/O Module
Low Speed
I/O Module