Reznor X Unit Installation Manual - Manual (Page 17)

Form I-X, P/N 150491 R10, Page 17
FIGURE 16 - Typical Wiring Diagram for Model X Furnace with Spark Pilot and Single-Stage
Gas Valve
6
7
8
9
10
11
12
13
14
15
16
17
18
FACTORY WIRING
FIELD WIRING
WHITE - W
PURPLE - PR
BLUE - BL
GREEN - G
YELLOW - Y
ORANGE - O
RED - R
BROWN - BR
BLACK - BK
WIRING CODE
TOTAL WIRE MINIMUM RECOMMENDED
LENGTH WIRE SIZE
150 FEET #18 GA.
250 FEET #16 GA.
350 FEET #14 GA.
FIELD CONTROL WIRING
PREVENT VOLTAGE DROP BEYOND FIVE PERCENT OF SUPPLY LINE VOLTAGE.
- LINE AND BLOWER MOTOR BRANCH CIRCUIT WIRE SIZES SHOULD BE OF A SIZE TO
- THE FOLLOWING CONTROLS ARE SUPPLIED BY REZNOR FOR FIELD INSTALLATION:
- THE FOLLOWING CONTROLS ARE SUPPLIED AS OPTIONAL EQUIPMENT:
S/W SWITCH AND THERMOSTAT
NONE
NOTES
- CAUTION: IF ANY OF THE ORIGINAL WIRE AS SUPPLIED WITH THE APPLIANCE
MUST BE REPLACED, IT MUST BE REPLACED WITH WIRING MATERIAL HAVING
A TEMPERATURE RATING OF AT LEAST 105 DEGREES C., EXCEPT FOR BLOCKED
VENT SWITCH OR SENSOR LEAD WIRE WHICH MUST BE 150 DEGREES C.
- USE #18 GA. FOR 24 VOLT CONTROL WIRING ON UNIT.
- USE #14 GA. WIRE FOR LINE AND MOTOR WIRING ON UNIT.
BLOWER MOTOR
CUSTOMER'S 24 VOLT
RELAY COIL CR
15
DISCONNECT SWITCH
115/1/60
G
GRD
OPT. S/W SWITCH
BL R
BK BK
Y
LIMIT
CONTROL
W
SINGLE ST
AGE
THERMOST
AT R
24
23
22
21
20
19
OPTIONAL FACTORY WIRING
W
8 7 10
10
4
11
7
7
7
BK BR 17
H TD H
BR
BR
BK
BL
16
FAN TD
HEATER
MAIN
PILOT
BLOCKED VENT
SWITCH
MANUAL RESET
12
Y
BY OTHERS: BLOWER RELAY
- DOTTED WIRING AND THE FOLLOWING CONTROLS ARE SUPPLIED AND INSTALLED
B
20 VA. CONTROL
BK
BL
24V
115 VOLT
BR
TRANSFORMER
W
TERMINAL BLOCK -- HEATER COMPARTMENT 4, 7, 8, 11, 10, 12, B, & W
(SEE NOTES)
- WHEN PROVIDING OR REPLACING FUSES IN THE FUSIBLE DISCONNECT SWITCH
USE DUAL ELEMENTS TIME DELAY FUSES AND SIZE ACCORDING TO 1.25
TIMES THE MAXIMUM TOTAL INPUT AMPS.
- DISCONNECT SWITCH IS FIELD FURNISHED OR AVAILABLE FROM FACTORY AS AN OPTION.
8
REDUND
ANT
GAS V
AL
VE
AL
TERNA
TE
W
.R. OR R
OBER
TSHA
W
BL
BK
BR
M
AIN
PIL
O
T
M
C
PV
PIL
O
T
MV
PV-MV
M
AIN
REDUND
ANT
GAS V
AL
VE
HONE
YWELL
CONTACTS
FAN TD
1 3
BK
OPERATING SEQUENCE
- SET THERMOSTAT AT LOWEST SETTING.
- TURN ON POWER, MAIN AND PILOT MANUAL GAS VALVES.
- SET THERMOSTAT AT DESIRED TEMPERATURE.
- THERMOSTAT CALLS FOR HEAT.
SAFETY SWITCH PORTION OF THE CONTROL. THE SWITCH ACTION DE-ENERGIZES
TO PRODUCE A PILOT FLAME ON EACH OPERATING CYCLE. THE SENSING
PROBE PROVES THE PRESENCE OF THE PILOT FLAME AND ENERGIZES THE
- THE PILOT GAS VALVE AND SPARK GAP ARE ENERGIZED
THE SPARK GAP AND ENERGIZES THE MAIN VALVE. THE MAIN GAS IGNITES AND
UNIT FIRES AT FULL RATE.
- THE SENSING PROBE PROVES THE PRESENCE OF THE PILOT FLAME.
- DE-ENERGIZING THE IGNITOR.
- ENERGIZING THE GAS VALVE.
- SET THERMOSTAT AT LOWEST SETTING FOR SHUTDOWN.
- SET THE S/W SWITCH AT "ON" POSITION (CLOSED) FOR CONTINUOUS BLOWER OPERATION.
- BLOWER MOTOR REMAINS ON AS DETERMINED BY FAN TIME DELAY.
- BLOWER MOTOR OPERATES FROM FAN TIME DELAY.
- IF THE FLAME IS EXTINGUISHED DURING MAIN BURNER OPERATION,
THE SAFETY SWITCH CLOSES THE MAIN VALVE. IF THE PILOT IS
NOT ESTABLISHED WITHIN 120 SEC. THE UNIT LOCKS OUT FOR
ONE HOUR, UNLESS IT IS RESET BY INTERRUPTING POWER TO
THE CONTROL CIRCUIT. (SEE LIGHTING INSTRUCTIONS)
7
888
8888
8VA MAX.
Y
BL
IGNITION
CONTROLLER PROBE
GND
SPARK
FLAME SENSING
MV/PV
MV
SENSE
TH
PV
24V GND
BR
GND BURNER
G
BURNER
GROUND
BK
X SERIES: AH2/AH3 AG1-AK1-CL1 WD# 275041 REV. #1
NOTE: If a wiring diagram is needed for a Model X with a match lit pilot (manufactured
prior to 10/03), see APPENDIX, page 30.
7.4 Typical Wiring
Diagrams