Honeywell ST7997 ユーザーズマニュアル

69-1204

3

ST7997 OIL BURNER MOUNTED ELECTRIC FAN TIMER

N

HUM

N

EAC

N

1K2

1K1

2K2

2K1

COOL

HEAT

MED HI

MED LO

 LO

HI

BLACK

WHITE

N

CONTINUOUS

FURNACE

LIMIT

OIL 

PRIMARY

L1

L1

L2

L2

BURNER/

VALVE

HUMIDIFIER

EAC

L2

THERMOSTAT
5-WIRE

COMPRESSOR
CONTACTOR

RC

RC

F1

ISOLATION

HEAT CALL

CONTROL
ELECTRONICS

LIMIT

T

T

RC

W

R

C

C

G

Y

G

Y

G

Y

L1
GND

SCREW TERMINAL

1/4 IN. QUICK CONNECT

CIRCULATOR 
BLOWER

LIMIT
(LINE 
VOLTAGE)

ORANGE

R7997
INTEGRATED
OIL PRIMARY
WITHOUT 
BLOWER DELAY

BURNER 
MOTOR

UNUSED

WIRES

J-BOX

M12924

K1

K2