Carrier 59SU5A Manual page 58

59SU5A: Installation, Start-up, Operating and Service Maintenance Instructions
GV
G
BL
LS
NOTE #3
PL12
R
PTD
R 1
G 2
3
BK
PL3
1
K B G R
SEE RATING PLATE FOR MODEL PLUG USE
HEAT BLOWER
J1
OFF-DELAY
MODEL
PLUG
COOL BLOWER
OFF-DELAY
STATUS
G C W Y R
CODE
GN BL G R Y
NOTES:
BL
L1 BLOWER POWER
BLWM BLOWER MOTOR (ECM)
BTS
BURNER THERMAL SWITCH
CPU MICROPROCESSOR AND
CIRCUITRY
EAC
ELECTRONIC AIR CLEANER
CONNECTION
FU2
FUSE OR CIRCUIT BREAKER
CURRENT INTERRUPT DEVICE
(FIELD INSTALLED & SUPPLIED)
FS
FLAME SENSOR
GND EQUIPMENT GROUND
GV
GAS VALVE-REDUNDANT
GVR GAS VALVE RELAY, DPST-(N.O.)
HSI
HOT SURFACE IGNITER (115 VAC)
HSIR HOT SURFACE IGNITER RELAY,
SPST-(N.O.)
24 VAC HUM 24VAC HUMIDIFIER CONNECTION
HUM 115VAC
115VAC HUMIDIFIER CONNECTION
IDM INDUCED DRAFT MOTOR, ECM
ILK
BLOWER ACCESS PANEL
INTERLOCK SWITCH, SPST-(N.O.)
JB JUNCTION BOX
J1 HEAT OFF DELAY JUMPER
J2 COOL OFF DELAY JUMPER
LS
LIMIT SWITCH, AUTO-RESET,
SPST (N.C.)
LED
LIGHT-EMITTING DIODE
FOR STATUS CODES-AMBER
PL1
11-CIRCUIT CONNECTOR
PL2
INDUCER / IGNITER CONNECTOR
PL3
TRANSDUCER CONNECTOR
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
CONNECTION DIAGRAM
BTS
PL17 PL19
R O Y
R/Y
PL13
G 1
Y 2
15VDC SUPPLY
PWM SIGNAL
O
3
RPM
1
W
NEUTRAL
BK 2
115 VAC
3
GROUND
PL1
GRN/Y
PL11
1
1
PL14
BK 1
HSI
W
2
N
115VAC
PR
BK
TRAN
R BL
24VAC
W W W
W
BK
PL7
24V MTR TAPS
IND
NOTE
7.15
PL7
O NEUTRAL-L2
PL18
W
G
FLAME
SENSOR
N
BK
L
C
1
RED
2
ORANGE
3
BLUE
4
YELLOW
5
GRAY
PL4
MODEL PLUG CONNECTOR
P5 5-CIRCUIT TERMINAL BLOCK
PL7, PL18 1-CIRCUIT CONNECTOR
PL11,12,13
3-CIRCUIT CONNECTOR
PL14,17,19 2-CIRCUIT CONNECTOR
PL15 4-CIRCUIT BLWM POWER
CONNECTOR
PL16 5-CIRCUIT BLWM SPEED
TAP CONNECTOR
PCB
PRINTED CIRCUIT BOARD
CONTROL
PTD
PRESSURE TRANSDUCER
PR
TRANSFORMER 115V
SSU
SAFETY SWITCH
(FIELD SUPPLIED)
JUNCTION
UNMARKED TERMINAL
PCB CONTROL TERMINAL
FACTORY WIRING (115VAC)
FACTORY WIRING (24VAC)
FIELD WIRING (115VAC)
FIELD WIRING (24VAC)
CONDUCTOR ON CONTROL PCB
FIELD WIRING SCREW TERMINAL
FIELD EARTH GROUND
EQUIPMENT GROUND
FIELD SPLICE
PLUG RECEPTACLE
Fig. 68 – Wiring Diagram
TO 115VAC FIELD DISCONNECT
NOTE #2
L1
ILK
L1
IDM
NOTE #5 PCB
CPU
L1
N
GND
SSU
BLWR
FU2
JB
BK BL
HUMR
ILK
EACR
PL15
24VAC
BLWM
HUM
HUMR
(SEE NOTE #13)
R
PL16
W
Y
G
C
PL3-3
NOTES:
1. If any of the original equipment wire is replaced use wire rated for 105ºC.
2. Use only copper wire between the disconnect switch and the furnace junction box (JB).
3. This wire must be connected to furnace sheet metal for control to prove flame.
4. Symbols are electrical representation only.
5. Solid lines inside PCB are printed circuit board conductors and are not included in legend.
6. Replace only with a 3 amp fuse.
7. Inducer (IDM) motor contains internal auto-reset thermal overload switches (OL).
8. Blower motor speed selections are for average conditions, see installation instructions for
details on optimum speed selection.
9. Ignition-lockout will occur after four consecutive unsuccessful trials-for-ignition. Control
will auto-reset after three hours.
10. Blower-on delay: gas heating 25 seconds, cooling or heat pump 2 seconds.
11. Blower-off delay: gas heating selections are 90, 120, 150 or 180 seconds, cooling or heat
pump 90 seconds.
12. BLWM is locked - rotor overload protected by redundant electronic control circuits.
13. J15 and J16 not available on all motors. Blower motor (BLWM) leads may be
hardwired at motor.
14. Some motors may use black instead of gray for COOL motor tap (Hi Speed).
15. Inductor not used on all models.
58
SCHEMATIC DIAGRAM
N
EQUIPMENT GROUND
N
2
PL2
HSIR HSI
1
1
PL14
PL11
1
2 2
3
IDM
3
PL1-7
RPM
2
PL1-9
PWM
PL1-11 1
15VDC
PL13
BFANR PL16
FAN
LO 1
2
MED LO
SPARE-1
BHT/CLR
HEAT
3
MED
MED HI 4
SPARE-2
COOL
5
HI
C
COM
L
IND
G
NOTE #7&15
N
PL15
HUM 115VAC
PR
EAC-1 EAC-2
LS
SEC-1
FUSE
PL1-6
NOTE #6
PL17
PL1-8
PL1-2
PL1-4
PL1-3
PL19
CPU
GVR-1 GVR-2
PL1-10
GND
SIG 12VDC NOTE #3
PL1-1
PCB
NOTE #5
PTD
PL12
R
PL3-1 1
2
PL3-2 G
BK
N
BLWM
(SEE NOTE #13)
N
N
115VAC
TRAN
SEC-2
24VAC
BTS
PL1-5
GV
FS
345785-2 rev B
A200235