Nortron D SERIES Installation And Operating Instructions Manual - page 9
9
WIRINGS DIAGRAMS
(
CONT
’
D
)
WARNING
Risk of electrical shock. Disconnect power before installation, servicing, maintenance or field wiring. Replace all
panels before operating. Failure to do so can result in electrical shock causing severe injuries or death.
!
24
VAC
CRG
Y/Y2
OW
1
W
2
Y
1
24VAC
COMMON OUT
FUSED 24VAC
POWER OUT
CALL FOR
FAN
CALL FOR
COOL.
REVERSING
VALVE
CALL FOR
HEAT 1
CO
M
P3-1 P3-2 P3-3
P3-4
P3-5
P3-6 P3-7
BOARD POWER
SUPPLY
POWER
HEA
T 1
HEA
T 2
HEA
T
3
HEA
T 4
VOUT
GND
P2-8
P2-7
P2-6
P2-5
P2-4
P2-3
P2-2
P2-1
F1
5 A
E
HTL
E
HTL
HEAT 1
E
HTL
G
L2
L1
HEAT 2
HEAT 3
KC2
KC1
KC3
COM
NO
COM
NO
COM
NO
Class 2 Tranformer
Prim.: 240V 60Hz
Second.: 24V 60Hz 40VA
YEL
YEL
RED
BLK
RED
BLK
BLK
BLK
RED
RED
BLK
BLK
BLK
RED
BLK
HEAT 3
HEAT 2
HEAT 1
PNK
BRN
GRY
PNK
BRN
GRY
WHT
YEL
YEL
WHT
WHT
WHT
CONTINUOUS
SPEED
RED
GRN
N
RED
GRN
K7
4
6
2
5
1
3
PNK
BLU
BLU
ORG
WHT
P3
P2
P1
RED
BLK
PNK
CS
T
24 Vdc
24 Vdc
24 Vdc
CALL FOR
COOL 1
CALL FOR
HEAT 2
24 Vdc
24Vac
coil
24V~
KC1B
BLK
GRY
NC
RED
F
F + H
PPL
PPL
PPL
GRY
GRY
SEASON
SELECTOR
HEAT INDICATOR
VS
LO
MED-LO
RED
YEL
YEL
RED
VENTILATION SPEED
21D27
E
HTL
HEAT 4
RED
BLK
KC4
COM
NO
HEAT 4
WHT
24 Vdc
PPL
PPL
BLK
MRHTL
YEL
MRHTL
YEL
YEL
Open: 93.3°C (200°F)
E
HTL
HEAT 6
RED
BLK
KC6
COM
NO
HEAT 6
PPL
24 Vdc
WHT
BLK
RED
RED
RED
RED
RED
WHT
UTEC
11
39-
6
10
P2-3
P2-2
P2-1
P1-4
P1-3
P1-2
P1-1
24V
regulated
RLY PWR2
Heater
Logic
HEAT6 IN
HEAT5 IN
HEAT6
HEAT5
PNK
GRY
PNK
PPL
PNK
PPL
PNK
BLK
BLK
BLK
PPL
TB2
SS
BLK
BLK
BLK
BLK
NC
BLK
BLU
RED
YEL
M
C
HI
MED-HI
MED
-LO
LO
ORG
GRN
BRN
BRN
HEAT
COOL
FAN
XFMR
V
S
POWER
L1
L2
COM
L2
L2COM2
K2
K2
K1
UTEC
1139-600/-630
BLK
ORG
E
HTL
HEAT 5
RED
BLK
KC5
COM
NO
HEAT 5
PNK
24 Vdc
WHT
BLK
RED
PPL
Line voltage wiring:
UL AWM 1015/1230, 600V, 105°C, VW-1,12AWG;
CSA TEW 600V, 105°C, FT1, 12AWG.
Low voltage wiring: same ratings as high voltage
except 18AWG.
Critical Characteristic
1. If any of the original wire, as supplied, must be
replaced, use the same equivalent wire. Wiring
must comply with applicable codes, ordinances
and regulations.
2. Field wiring must comply with applicable codes,
ordinances and regulations. Use only Class 1
wiring inside furnace compartments.
For the use of a two-stage heat thermostat or
an outdoor thermostat, connect between W1
and W2. Make sure that the
Season Selector
switch is set to the Mild
Position.
HI BLACK
MED-HIGH
BLUE
MED-LOW
YELLOW
LOW RED
FAN MOTOR SPEED COLOR
WIRING COLOR CODE
BLK BLACK
BLU BLUE
BRN BROWN
GRN GREEN
GRY GREY
ORG ORANGE
PNK PINK
PPL PURPLE
RED RED
WHT WHITE
YEL YELLOW
LEGEND
C Capacitor
F1 Fuse
E Heating Element
KC Heating Element
Relay
K Fan Relay
HTL Auto-Reset
Thermal Protector
MRHTL Manual Reset
Thermal Protector
M Fan Motor
TB2 Terminal Block
T Transformer Class 2
HEAT Heat
L1, L2
240V Line Supply
N Neutral
FE0016A