Nordyne O4HD-091A-14-FA-DV Installation, Operation And Maintenance Manual page 16

Table A-10 ECM Blower Set-Up (O4HD-091A-V-FA)
DIP SWITCH ADJUSTMENT CHART
FOR INPUT 0.50 USGPH TO 0.75 USGPH
SW1 - HEAT
DIP Switch
Position
1 2
OFF OFF
ON OFF
OFF ON
ON ON
POS.
A
B
C
D
INPUT
USGPH
0.65
N/A
0.75
0.50
SW3 - ADJUST
DIP Switch
Position
1 2
OFF OFF
ON OFF
OFF ON
ON ON
POS.
A
B
C
D
CFM
O%
(+)15%
(415%
N/A
SW2 - COOL
DIP Switch Position
1 2
OFF OFF
ON OFF
OFF ON
ON ON
POS.
A
B
C
D
AC Size
(TON)
3
2.5
2
1.5
SW4 - DELAY
DIP Switch Position
1 2
OFF OFF
ON OFF
OFF ON
ON ON
POS.
A
B
C
D
INPUT
USGPH
0.65
N/A
0.75
0.50
NOTE:
SWl (HEAT) AND SW4 (DELAY) DIP SWITCHES MUST BOTH BE ADJUSTED ACCORDING TO INPUT (NOZZLE SIZE).
SW2 (COOL): 1 TON is approximately equal to 400 CFM
SW3 (ADJUST): (Heating Mode) Increase OR decrease temperature rise respectively
(Cooling Mode) Increase OR decrease CFM respectively
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