Nordyne E3 Series Owner's Manual & Installation Instructions page 32

Models: E3EX - 015/017H
Notes :
1) See unit data label for recommended supply wire sizes.
2) Thermostat anticipator setting : 0.40 Amps
3) To change blower speed on units without a relay box installed refer to installation instructions
4) Refer to furnace and/or relay box installation instructions for thermostat connections.
5) If any wire in this unit is to be replaced it must be replaced with 105° C thermoplastic copper wire of the same gauge.
6) Not suitable for use on systems exceeding 120V to ground.
7) Refer to Installation Instructions for complete wiring diagram.
8) Heating and cooling may be wired on the same speed using the provided jumper wire.
1
3
WHITE
Models: E3EX - 020H
Notes :
1) See unit data label for recommended supply wire sizes.
2) Thermostat anticipator setting : 0.40 Amps
3) To change blower speed on units without a relay box installed refer to installation instructions
4) Refer to furnace and/or relay box installation instructions for thermostat connections.
5) If any wire in this unit is to be replaced it must be replaced with 105° C thermoplastic copper wire of the same gauge.
6) Not suitable for use on systems exceeding 120V to ground.
7) Refer to Installation Instructions for complete wiring diagram.
8) Heating and cooling may be wired on the same speed using the provided jumper wire.
1
5
BLOWER
RELAY
3 6
GRAY
RED
GREEN
WHITE
GRAY
WHITE
32
RED
BLUE
(25)
5 2
1 2 3 1
4 5 6 4
BLOWER
RELAY
6 4
RED
BLACK
BLUE
VIOLET
GREY
CONTACTOR
BLACK
BLACK
RED
GREEN
WHITE
GREY
BLACK
BLACK
BLACK
BLACK
Figure 32. E3EX 015/017H
RED
BLUE
(25) (26)
2
1 2 3 1 2 3
4 5 6 4 5 6
4
RED
240V
BLACK
BLUE 24V
VIOLET
GRAY
CONTACTOR
BLACK
BLACK
BLACK
BLACK
BLACK
BLACK
BLACK
BLACK
Figure 33. E3EX 020H
RED
BLUE T1
G
T2
(26)
N
T3 X13
2 3
L
5 6
T4
C
T5
ORANGE
BLACK
WHITE
240V COM
RED
24V
GREY
RED
RED
ELEMENTS LIMIT
RED
ELEMENTS LIMIT
RED
RED
RED
RED
BLUE
T1
G GREEN/ YELLOW STIPE
T2
N
T3
X13
L
T4
C
T5
ORANGE
BLACK
WHITE
COM
RED
RED
RED
ELEMENTS LIMIT
RED
RED
ELEMENTS LIMIT
RED
RED
RED
RED
GREEN/ YELLOW STRIP