Nordyne MB7BM Series User Manual

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CONTROL SIGNAL & MODE OPERATION TOTAL KW BOARD ACTION
W
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
W & 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
Stage 2 Heat on after 5 seconds delay
15 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
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
Stage 4 Heat on after 15 seconds delay
Off
Heat stages off instantly
Heat blower turns off after 40 second delay
G
FAN
On Cool blower on after 3 second delay
Off Cool blower off instantly
Y HEAT PUMP
& COOL
On Cool Blower on after 3 second delay
Off Cool Blower off after 40 second delay
Table 10. Heating Element Logic for MB7BM Air Handlers

Nordyne MB7BM Series Specifications

General

Brand	Nordyne
Model	MB7BM Series
Category	Air Handlers
Language	English