035-15266-003Rev.A(0804)
A[Z_
2 SPADE (INSUL) TERMINALS
USED WHEN CHANGING
SPEEDS
ELEMENTS UMIT
SWITCHES
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.
WIRING MUST CONFORM TO LOCAL CODES
APPROVED FOR CU CONDUCTORS ONLY.
BLENDAIR
CONTROL BOX
HEAT/COOL
T'STAT
MODEL: EB20B
CONTACTOR
CIRCUIT #1 SINGLE BRANCH
BREAKER CIRCUIT SERVICE
124OVAcI PHASE
CIRCUIT #2
BREAKER [_
GND LUG
CIRCUIT #1 F_
CfRCUff
1
GND LUG 240 VAC
60 Hz
I PHASE
DUAL BRANCH
CIRCUIT SERVICE
CIRCU]T 2
240 VAC
] 60 Hz
CIRCU]T #2 r_ 1 PHASE
BREAKER GNDLUG
240 VAC - 60 Hz - 1 PHASE
D.O.E. OUTPUT CAPACITY - BTU
MAX. MOTOR-FLA
SINGLE BRANCH $
CIRCUIT SERVICE
NOMINAL CIRCUIT LOAD-AMPS
WIRE SIZE (75 ° C) COPPER
WIRE SIZE (60 I,C) COPPER
MAX, FUSE SIZE
(OR CB) - AMPS
DUAL BRANCH
CIRCUIT SERVICE
BRANCH CKT. LOAD-AMPS
BRANCH CKT. MIN. AMPACITY
WIRE SIZE (75 ° C) COPPER
WIRE SIZE (60 I,C) COPPER
MAX, FUSE SIZE
(OR CB) - AMPS
$ REQUIRES JUMPER BARS (P/N 3500478/*)
67,000
4.0
,A
2 LEADS +
1 GROUND
84.0
#2
#1
110
4 LEADS +
2 GROUNDS
CKT #1 - CKT #2
44.0 40
55 50
#6 #8
#6 #6
60 50
FIGURE 21 : EB20B WIRING DIAGRAM
Unitary Products Group 15
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