Nortek B64BM Series - Electrical Data & Diagrams

17
Table 6. Control Board Operation
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
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 & Y
AUX HEAT
ON
5 KW
Stage 1 Heat on instantly
Cool blower on after 3 second delay
10 KW
Stage 1 Heat on instantly
Cool blower on after 3 second delay
15 KW
Stage 1 Heat on instantly
Cool blower on after 3 second delay
Stage 2 Heat on after 5 seconds delay
20 KW
Stage 1 Heat on instantly
Cool blower on after 3 second delay
Stage 2 Heat on after 5 seconds delay
Stage 3 Heat on after 10 seconds delay
25 KW
Stage 1 Heat on instantly
Cool blower on after 3 second delay
Stage 2 Heat on after 5 seconds delay
Stage 3 Heat on after 10 seconds delay
OFF —
Heat stages off instantly
Heat blower turns off after 40 second delay
G
FAN
ON — Fan blower on after 3 second delay
OFF — Fan blower off instantly
Y1
HEAT PUMP & COOL
ON — Cool blower on after 3 second delay
OFF — Cool blower off after 40 second delay
Electrical Data & Diagrams