266180-BIM-B-0209
Johnson Controls Unitary Products 11
FIGURE 18: EB15C Wiring Diagram
3A
LINE
LOAD
2
4
5
6
1
3
*
MODEL: EB15C
4-SPEED BLOWER
EB SERIES FURNACES
BLEND AIR
CONTROL BOX
HEAT/COOL
T’STAT
COND. UNIT
CONTACTOR
MOTOR
TRANSFORMER
FUSE
BLOWER
RELAY
2 SPADE (INSUL.)
TERMINALS USED WHEN
CHANGING SPEEDS
SEQUENCER
CIRCUIT #1
BREAKER
ELEMENTS
LIMIT
SWITCHES
GND. LUG
CIRCUIT 1
240 VAC.
60 Hz
1 PHASE
DUAL BRANCH
CIRCUIT SERVICE
R
R
H4
H3
M5
M6
M1
M2
YEL
YEL
ORG
BLK
BLU
YEL
YEL
YEL
ORG
YEL
BLK
BLK
BLK
RED
RED
WHT
GRN
WHT
RED
BLK
G
W
RH
Y
BRN
ORG
CAPACITOR
BLU-MED. HIGH SP.
YEL-MED. LOW SP.
BLK-COOLING SP
.
RED-HEATING SP.
ORG-COMMON.
NOTE:
IF ANY OF THE ORIGINAL WIRE SUPPLIED WITH
THIS UNIT MUST BE REPLACED. IT MUST BE
REPLACED WITH TYPE 105°C THERMOPLASTIC
OR ITS EQUIVALENT. FACTORY WIRING SHOWN
SOLID. FIELD WIRING SHOWN BROKEN.
M5
M6
H2
H1
WHT
BLK
R
ORG
RED
RED
60 AMP
60 AMP
CIRCUIT #2
BREAKER
CIRCUIT 2
240 VAC.
60 Hz
1 PHASE
GND. LUG
240 VAC.
60 Hz
1 PHASE
SINGLE BRANCH
CIRCUIT SERVICE
CIRCUIT #1
BREAKER
CIRCUIT #2
BREAKER
60 AMP
60 AMP
WIRING MUST CONFORM TO LOCAL CODES
APPROVED FOR CU CONDUCTORS ONLY.
4 LEADS +
2 GROUNDS
CKT #1 - CKT #2
DUAL BRANCH
CIRCUIT SERVICE
BRANCH CKT. LOAD-AMPS
BRANCH CKT. MIN. AMPACITY
WIRE SIZE (75° C) COPPER
WIRE SIZE (60° C) COPPER
MAX. FUSE SIZE
(OR CB) - AMPS
D.O.E. OUTPUT CAPACITY - BTU
51,000
MAX. MOTOR-FLA
4.0
2 LEADS +
1 GROUND
NOMINAL CIRCUIT LOAD-AMPS
64.0
WIRE SIZE (75° C) COPPER
WIRE SIZE (60° C) COPPER
#4
#3
MAX. FUSE SIZE
(OR CB) - AMPS
80
240 VAC - 60 Hz - 1 PHASE
44
20.1
55
25.2
#6 #10
#6 #10
60
30
GND. LUG
REQUIRES JUMPER BARS (P/N 3500-378/*)
SINGLE BRANCH
CIRCUIT SERVICE
GRN
‡
‡
L
L
L
FIGURE 19: EB17C Wiring Diagram
3A
LINE
LOAD
2
4
5
6
1
3
*
MODEL: EB17C
4-SPEED BLOWER
EB SERIES FURNACES
BLEND AIR
CONTROL BOX
HEAT/COOL
T’S TAT
COND. UNIT
CONTACTOR
MOTOR
TRANSFORMER
FUSE
BLOWER
RELAY
2 SPADE (INSUL.)
TERMINALS USED WHEN
CHANGING SPEEDS
SEQUENCER
CIRCUIT #1
BREAKER
ELEMENTS
LIMIT
SWITCHES
GND. LUG
CIRCUIT 1
240 VAC.
60 Hz
1 PHASE
DUAL BRANCH
CIRCUIT SERVICE
R
R
H4
H3
M5
M6
M1
M2
YEL
YEL
BLK
BLU
YEL
YEL
YEL
ORG
YEL
BLK
BLK
BLK
RED
RED
WHT
GRN
WHT
RED
BLK
G
W
RH
Y
BRN
ORG
CAPACITOR
BLU-MED. HIGH SP.
YEL-MED. LOW SP
.
BLK-COOLING
SP.
RED-HEATING SP.
ORG-COMMON.
M3
M4
H2
H1
WHT
BLK
R
ORG
RED
RED
60 AMP
CIRCUIT #2
BREAKER
CIRCUIT 2
240 VAC.
60 Hz
1 PHASE
GND. LUG
240 VAC.
60 Hz
1 PHASE
SINGLE BRANCH
CIRCUIT SERVICE
CIRCUIT #1
BREAKER
CIRCUIT #2
BREAKER
60 AMP
60 AMP
60 AMP
ORG
GRN
WIRING MUST CONFORM TO LOCAL CODES
APPROVED FOR CU CONDUCTORS ONLY.
NOTE:
IF ANY OF THE ORIGINAL WIRE SUPPLIED WITH
THIS UNIT MUST BE REPLACED. IT MUST BE
REPLACED WITH TYPE 105°C THERMOPLASTIC
OR ITS EQUIVALENT. FACTORY WIRING SHOWN
SOLID. FIELD WIRING SHOWN BROKEN.
GND. LUG
4 LEADS +
2 GROUNDS
CKT #1 - CKT #2
DUAL BRANCH
CIRCUIT SERVICE
BRANCH CKT. LOAD-AMPS
BRANCH CKT. MIN. AMPACITY
WIRE SIZE (75° C) COPPER
WIRE SIZE (60° C) COPPER
MAX. FUSE SIZE
(OR CB) - AMPS
D.O.E. OUTPUT CAPACITY - BTU
56,000
MAX. MOTOR-FLA
4.0
2 LEADS +
1 GROUND
NOMINAL CIRCUIT LOAD-AMPS
70.7
WIRE SIZE (75° C) COPPER
WIRE SIZE (60° C) COPPER
#3
#2
MAX. FUSE SIZE
(OR CB) - AMPS
90
240 VAC - 60 Hz - 1 PHASE
47.3 23.4
59.2
29.3
#6 #10
#4 #10
60
30
SINGLE BRANCH
CIRCUIT SERVICE
REQUIRES JUMPER BARS (P/N 3500-378/*)
15
L
L
L
‡
‡