SW1 (HEAT) AND SW4 (DELAY) DIP SWITCHES MUST BOTH BE ADJUSTED ACCORDING TO INPUT (NOZZLE SIZE).
NOTE:
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
SW2 - COOL
DIP Switch
Position
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
INPUT
DIP Switch Position
AC Size
1 2
POS.
USGPH
1
2
POS.
(TON)
OFF OFF A
0.65
OFF OFF A
3
ON OFF B
N/A
ON OFF B 2.5
OFF ON C
0.75
OFF ON C
2
ON ON D
0.50
ON ON D 1.5
SW3 - ADJUST
SW4 - DELAY
DIP Switch
Position
CFM
DIP Switch Position
INPUT
1 2
POS.
1
2
POS.
USGPH
OFF OFF A
0%
OFF OFF A 0.65
ON OFF B
(+)15%
ON OFF B N/A
OFF ON C
(-)15%
OFF ON C 0.75
ON ON D
N/A
ON ON D 0.50
16
Summary of Contents for O4HD-091A-12-FB
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