8
SECTION V (ECM FAN MOTOR DESIGN ONLy)
SE10I to 23I Electric Furnace 1/3 H.P. ECM Air Flow Selectable Options on Motor Tap Select
Note: Tap select board is located centrally on the controller.
WARNING:
WHEN MAKING ADJUSTMENTS CONSIDERATION MUST ALWAYS BE GIVEN TO DELIVERED AIR TEMPERATURE.
YOU MUST ENSURE THAT THE DELIVERED AIR TEMPERATURE DURING A HEATING CYCLE DOES NOT EXCEED
93 C (200F)
All flows shown are approximate. Actual results may vary by installation.
COOLING TAP SWITCH POSITION
NOTE: TURN POWER OFF BEFORE MAKING A SELECTION
COOLING TAP BOARD
SWITCHES #5 AND #6
AIR FLOW CFM
EXTERNAL STATIC PRESSURE *WC
0.2
0.5
0.7
OFF OFF
1120
1400
1400
ON OFF
980
1100
1100
OFF ON
870
890
850
ON ON
700
625
580
NOTE: CHANGES MAy BE MADE WITH POWER ON
ADJUST TAP BOARD
SWITCHES #3 AND #4
NOTE: CHANGING THE ADJUSTMENT TAP SWITCH POSITIONS AFFECTS
BOTH THE HEATING AND COOLING FAN SPEEDS
OFF OFF
DOES NOT CHANGE SELECTED AIR FLOWS
ON OFF
INCREASES AIR FLOWS APPROXIMATELY 10%
OFF ON
REDUCES AIR FLOWS APPROXIMATELY 15%
HEATING TAP SWITCH POSITION
NOTE: TURN POWER OFF BEFORE MAKING A SELECTION
HEATING TAP BOARD
SWITCHES #1 AND #2
AIR FLOW CFM
EXTERNAL STATIC PRESSURE *WC
0.2
0.5
0.7
OFF OFF
1250
1400
1400
ON OFF
1100
1200
1200
OFF ON
900
900
800
ON ON
700
550
-
COOLING PROFILE SWITCH POSITION
NOTE: TURN POWER OFF BEFORE MAKING A SELECTION
DELAY TAP BOARD
SWITCHES #7 & #8
Pre Run
Time
Minutes
Pre Run
Motor
Speed %
Short Run
Time
Minutes
Short Run
Motor
Speed %
Off Delay
Time
Minutes
Off Delay
Motor
Speed %
OFF OFF
0.50
88
0.00
100
1.00
75
ON OFF
0.50
50
0.75
75
2.50
63
OFF ON
0.50
50
0.75
75
2.50
69
ON ON
0.50
50
0.75
75
4.00
69
PRE RUN AND SHORT TIMES ARE PERIODS TO FULL FAN SPEED OPERATION
ALL FLOWS SHOWN ARE APPROXIMATE
ACTUAL RESULTS MAY VARY BY INSTALLATION.
* BOLD SETTINGS REPRESENT FACTORy SETTINGS.
