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NS803 P2
Rev.B 03-09-07
ELECTRO INDUSTRIES, INC.
MONTICELLO, MN 55362
Air Handler (HE-E-15-21), Basic Staging ECM
WIRING SCHEMATIC
DI
PC2
K7
K6
K5
RW
RW
R
R
R
R
R
R
T14
J4
T12
T11
K7
T8
LED3
T10
T9
LED4
T7
LED5
LED2
K6
K5
K1
T4
T3
T6
LED1
T5
T2
UPCB6600B
T13
CS
LED6
T1
F
G
Y2
O
R
W2
X
W1
C
RW
RW
135°F
HL5
BK
BK
BK
BK
BK
BK
L1
L2
CB2
L1
L2
CB1
HL1
150°F
HL2
150°F
HL3
150°F
E1
E2
E3
R
R
R
PC1
INTERFACE
NOTES
1. SENSOR CABLES AND
CONNECTIONS NOT SHOWN.
2. STAGES 1-4 ARE 24VAC
WHEN INACTIVE.
RELAY STAGING
1 K5
2 K6
3 K7
Rev.B 03-09-07
DRAWING
DECAL
UAW805 A
NS803 P2
WIRE COLOR CODE
BL BLUE
BLW
BLUE/WHITE
BK BLACK
BR BROWN
BRY
BROWN/YELLOW
GY GRAY
OR ORANGE
OBK
ORANGE/BLACK
R RED
RW
RED/WHT
VI VIOLET
W WHITE
WBL
WHITE/BLUE
WBK
WHITE/BL
ACK
Y YELLOW
YG
YEL/GRN
COMPONENT CODE
CB CIRCUIT BREAKER
E 5000W ELEMENT
HL HI-LIMIT
K RELAY
M
MOTOR (BLOWER)
PC CIRCUIT BOARD
T TAB TERMINAL
SC SCREW TERMINAL
CB1 L1
CB1 L2
CB1 L1
CB1 L2
CB2 L1
CB2 L2
HECBW5844
HECBW5843
M
Y
O
G
E
BK
Y1
C
Y/Y2
G
W
R
24
VAC
COM
Y/Y2
R
RV(O)
C
RV LOGIC-HI
COOL
HEAT
Y1
DF(W1)
BK
BLU/WHT
BLUE
ECM
PWR
UPCB6707
CS
A
B
C
D
COOL
LO
MED
HI
HEAT
J1
LED3
J2
LED2
K4
K5
K3
K2
J4
T10
T9
T14
T13
T12
T11
J7
LED1
LED4
T15
T3
T4
T2
T1
T7
T8
F1
T6
T5
TB1
TB2
J3
AIR HANDLER BASIC STAGING ECM
MODEL: HE-E-15-21
4
3
2
1
J2
5
6
7
8
9
10
HECBW5848
GND
W
BR
GY
R
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