Unit Wiring Diagram - Modine HD Serie Manuel D'installation Et D'entretien

unIT WIrIng
Wiring diagram selection
Since internal or factory wiring may vary depending on
the controls manufacturer, the wiring diagrams must be
appropriately selected with the proper gas valve and ignition
figure 22.1 - unit Heater Wiring diagram (single and Two stage, direct spark Ignition)
GAS
VALVE
LOW VOLTAGE
THERMOSTAT
(BY OTHERS)
PRESSURE
SWITCH
LIMIT
CONTROL
WHITE ROGERS
GAS VALVE
COM
CALL FOR FAN
1ST STAGE
2ND STAGE
LOW VOLTAGE
THERMOSTAT
(BY OTHERS)
PRESSURE
SWITCH
LIMIT
CONTROL
CAUTION:
FAILURE TO WIRE THIS UNIT ACCORDING
TO THIS WIRING DIAGRAM MAY RESULT
IN INJURY TO THE INSTALLER OR USER.
FOR DEVIATIONS CONTACT THE FACTORY.
WIRING LEGEND
FACTORY WIRING
LINE
INTERNAL COMPONENT WIRING
FIELD WIRING
WIRE NUT
TERMINAL BOARD CONNECTION
22
O
HONEYWELL
BL
WH
LABEL
PARK
PARK
Y
EAC/BLO
G
W
XFMR
R
C
PIN 5
Y 1 4 7
2 5 8
Y
3 6 9
24VAC
PIN 6
COM
R
R
LIMIT CONTROL FLAME ROLLOUTS
(SEE NOTE 5) (SEE NOTE 6)
SINGLE STAGE, DIRECT SPARK IGNITION,
100% SHUT-OFF, MULTIPLE RETRY W/ AUTO RESET FROM LOCKOUT
HONEYWELL
LO
GAS VALVE
COM
COM
HI
M HI
BL
O
WH
Y
G
W1
W2
C
R
PIN 8
1 4 7
Y
2 5 8
3 6 9
Y
R
LIMIT CONTROL FLAME ROLLOUTS
(SEE NOTE 5) (SEE NOTE 6)
TWO STAGE, DIRECT SPARK IGNITION,
100% SHUT-OFF, MULTIPLE RETRY W/ AUTO RESET FROM LOCKOUT
NOTES TO INSTALLER:
1. ALL WIRING MUST COMPLY WITH NATIONAL
ELECTRIC CODE AND ALL LOCAL CODES.
2. ALL COMPONENTS MUST AGREE WITH
THEIR RESPECTIVE POWER SOURCE.
24V
3. VERIFY THE POWER SOURCE AND
THE UNIT POLARITY.
type. The following wiring diagram represents a unit equipped
with a single or two stage gas valve, and direct spark ignition.
FLAME
GND
SENSOR
L2, (WH)
SPARK
IGNITOR
IGNITION
CONTROL
UT
LABEL
PARK
PARK
EAC
L1 L1
L1
IND IND
N N
E E
U U
T T
R R
WH
A A
L L
SEC BK
COM
R
Y
5H079963B1 REV F
FLAME
SENSOR
GND
SPARK
IGNITOR
IGNITION
CONTROL
UT
LABEL
PARK
PARK
HEAT
L1
IND
WH
FS
24V
BK
COM
R
R
Y
5H079963B2 REV F
4. USE TYPE 105°C REPLACEMENT WIRE
300V OR GREATER.
5. USED ON PROPELLER MODELS 100
AND LARGER.
6. TWO SWITCHES: 30-75
ONE SWITCH: 100-125
6-583.2
GR, (G)
115V/60HZ/1Ø POWER
CIRCUIT BREAKER (BY OTHERS)
L1, (BK)
PE
MOTOR
FAN
MOTOR
120
XFMR
COM
24
GR, (G)
115V/60HZ/1Ø POWER
L2, (WH)
CIRCUIT BREAKER (BY OTHERS)
L1, (BK)
PE
MOTOR
FAN
MOTOR
120
XFMR
COM
24
FOR BLOWER MOTORS,
WH-NEUTRAL
BK-HI
BL-MED
RED-LO
ATTACH WIRES NOT USED
TO "PARK" TERMINALS