Nordyne MB7BM Series User Manual

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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
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
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
OFF
Heat stages off instantly
Blower off after 15 second delay
Table 11. Heating Element Logic for MB7EM / MB7VM Series Air Handler

Nordyne MB7BM Series Specifications

General

Brand	Nordyne
Model	MB7BM Series
Category	Air Handlers
Language	English