Nortek B64EM Series - Electrical Data & Diagrams; Table 9. Control Board Operation

19
CONTROL SIGNAL & MODE OPERATION TOTAL KW BOARD ACTION
W1 ONLY
EHEAT
ON
5 KW
Stage 1 Heat on instantly
Heat blower on after 3 second delay
8 KW, 10 KW
Stage 1 Heat on instantly
Heat blower on after 3 second delay
15 KW
Stage 1 Heat on instantly
Heat blower on after 3 second delay
Stage 2 Heat on after 5 second delay
20 KW
Stage 1 Heat on instantly
Heat blower on after 3 second delay
Stage 2 Heat on after 5 second delay
Stage 3 Heat on after 10 second delay
25 KW
Stage 1 Heat on instantly
Heat blower on after 3 second delay
Stage 2 Heat on after 5 second delay
Stage 3 Heat on after 10 second delay
OFF —
Heat stages off instantly
Blower off after 15 second delay
W1 & W2
EHEAT
ON
5 KW
Stage 1 Heat on instantly
Heat blower on after 3 second delay
8 KW, 10 KW
Stage 1 Heat on instantly
Heat blower on after 3 second delay
Stage 2 Heat on after 5 seconds delay
15 KW
Stage 1 Heat on instantly
Heat blower on after 3 second delay
Stage 2 Heat on after 5 seconds delay
Stage 3 Heat on after 10 seconds delay
20 KW
Stage 1 Heat on instantly
Heat blower on after 3 second delay
Stage 2 Heat on after 5 seconds delay
Stage 3 Heat on after 10 seconds delay
Stage 4 Heat on after 15 seconds delay
25 KW
Stage 1 Heat on instantly
Heat blower on after 3 second delay
Stage 2 Heat on after 5 seconds delay
Stage 3 Heat on after 10 seconds delay
Stage 4 Heat on after 15 seconds delay
Stage 5 Heat on after 20 seconds delay
OFF —
Heat stages off instantly
Blower off after 15 second delay
Table 9. Control Board Operation
Electrical Data & Diagrams