Honeywell ST9141A1002 Manuale Utente

3

69-0780

K2

COOL

ST9141A
ELECTRONIC 
FAN  TIMER

R

W

Y

G

C

THERMOSTAT

C

N2

CIRCULATING 
FAN

NOTE: DOTTED LINES REPRESENT PRINTED CIRCUIT BOARD WIRING.

M5608

ELECTRONIC AIR CLEANER

TO 120 VAC
POWER SUPPLY

COMBUSTION
AIR BLOWER

MED-LOW

HIGH

LOW

FUSE

INTERLOCK

N1

K2

HEAT

K1

MED-HIGH

X

SV9500 HOT SURFACE PILOT 
IGNITION SYSTEM CONTROL

GND

24V

EAC (S)

EAC (N)

L1-1

HUMIDIFIER

HUM (S)

HUM (N)

N3

DI

K3A

24 VAC

120 VAC

N4

PRESSURE 
SWITCH

N.O.

N.C.

COM.

TSTAT

FT

CN1

1

X-OT

6

R-OT

8

PS1

3

7

PS2

C

2

4

5

FT

K3B

M2

M1

L1-2

COOLING
CONTACTOR

24V

BURNER
LIMIT

PRIMARY
LIMIT

L1

(H)

L2

(N)

TRANSFORMER