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Les langues disponibles
8. W
D
IRING
IAGRAMS
Risk of electric shock. Disconnect power before installation, servicing, maintenance or field wiring. Replace all panels
before operating. Failure to do so can result in electric shock causing severe injuries or death.
21ECM10 Model
E
ARTP
R
HEAT 2
W
E
ARTP
R
HEAT 1
R
W
R
L2
N
M
R
G
C=COM
1=MED
R
L=LINE
2=LOW
3=LOW
G=GROUND
N=NEUTRAL
4=HI
5=HI
B
L1
B
B
B
21ECM15 Model
E
ARTP
R
B
HEAT 3
E
ARTP
R
HEAT 2
ARTP
E
R
HEAT 1
B
R
W
R
R
L2
N
M
R
G
1=LO
C=COM
R
L=LINE
2=MED HI
3=MED HI
G=GROUND
4=HI
N=NEUTRAL
5=HI
B
L1
B
B
B
For the use of a two-stage thermostat or an outdoor thermostat, connect between W1 and W2.
Make sure that the Heat Activation switch is set to "Slow" position.
FE0049A
All manuals and user guides at all-guides.com
MRTP 1
W
HEAT 2
KC2 COM
NO
B
W
24V
P
DC
Heat Activation
HEAT 1
KC1
NO
COM
B
W
24V
GR
DC
W
K7
1
3
Speed Selector
P
24V
DC
LO
5
4
NC
BL
R
MED
Y
2
6
BL
O
TB
B (HI)
M
5
NC
N
4
BL (LO)
G
3
Y (LO)
L
2
R (MED)
C
1
MRTP 1
W
B2
HEAT 3
25 A
KC3
COM
NO
R
P
P
W
24V
DC
HEAT 2
KC2
COM
NO
B
R
B1
W
24V
BR
DC
50 A
HEAT 1
KC1
NO
COM
B
R
W
24V
GR
DC
B
W
K7
1
Speed Selector
3
24V
P
DC
LO
5
4
NC
BL
R
MED
Y
6
2
BL
O
TB
B (HI)
M
5
NC
N
4
BL (MED)
G
3
Y (MED)
L
2
R (LO)
C
1
!
WARNING
Open: 93.3°C
MRTP 2
W
W
P
GR
W
Power
1
2 3 4 5 6 7
P3
BOARD POWER SUPPLY
PP
BLK
PP
P2-8
GR
P2-7
HEAT
P2-6
INDICATOR
PP
P2-5
PP
P2-4
B
GR
P2-3
10 KW 240 VAC
P2-2
Single phase
P2-1
P2
O
B
B
B
W
Open: 93.3°C
MRTP 2
W
W
P
BR
GR
W
Power
1
2 3 4 5 6 7
P3
Heat
BOARD POWER SUPPLY
Activation
PP
B
PP
P2-8
GR
P2-7
HEAT
P2-6
INDICATOR
PP
P2-5
PP
P2-4
B
GR
P2-3
15 KW 240 VAC
P2-2
Single phase
P2-1
P2
O
B
B
B
W
- 8 -
Y
F1
5 AMPS
1. If any of the original wire, as supplied, must
24 VAC
COMMON OUT
be replaced, use the same equivalent wire.
Wiring must comply with applicable codes,
FUSED 24 VAC
POWER OUT
ordinances and regulations.
CALL FOR FAN
2. Field wiring must comply with applicable
codes, ordinances and regulations. Use only
CALL FOR COOL
Class 1 wiring inside furnace compartments.
REVERSING VALVE
Line voltage wiring:
CALL FOR HEAT 1
UL AWM 1015/1230, 600V, 105°C, VW-1, 12 AWG;
CALL FOR HEAT 2
CSA TEW 600V, 105°C, FT1, 12 AWG.
CALL FOR COOL 1
Low voltage wiring:
P1
same ratings as high voltage except 18 AWG.
R
T
R
FAN MOTOR SPEED
Class 2 Transformer
Pri: 240 V 60 Hz
Sec: 24 V 60 Hz 40 VA
HI
Y
R
Y
B
MED
MED
LOW
C
Capacitor
E
Heating Element
KC
Heating Element Relay
Y
K
Fan Relay
ARTP
Auto-Reset Thermal Protector
F1
MRTP
Manual-Reset Thermal Protector
5 AMPS
M
Fan Motor
24 VAC
TB
Terminal Block
COMMON OUT
FUSED 24 VAC
T
Transformer Class 2
POWER OUT
HEAT
Heat
CALL FOR FAN
L1, L2
240 V Line Supply
CALL FOR COOL
REVERSING VALVE
N
Neutral
CALL FOR HEAT 1
F1
Fuse
CALL FOR HEAT 2
B
Breaker
CALL FOR COOL 1
Low power
P1
High power
High power 8 AWG
WIRING COLOR CODE
R
T
R
Class 2 Transformer
Pri: 240 V 60 Hz
Sec: 24 V 60 Hz 40 VA
Y
R
B
Y
Critical characteristic
COLOR
BLACK
BLUE
YELLOW
RED
LEGEND
B
BLACK
BL
BLUE
BR
BROWN
GR
GREY
O
ORANGE
P
PINK
PP
PURPLE
R
RED
W
WHITE
Y
YELLOW
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