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5

50A62

TERMINAL

TERMINAL

TYPE

SYSTEM COMPONENT

CONNECTION

TYPICAL SYSTEM WIRING TABLE

* maximum recommended flame probe wire length is 36 inches.

W

G

R

Y

C

MV (2 terminals)

RO1

RO2

PS

PS

GND

HL

(unused terminal)

IND

IGN

GND

GND

(unused 2 terminals)

COOL

HEAT

M1

M2

FAN

LINE

XFMR

CIR N

LINE N

XFMR N

HUM

EAC (optional)

HUM N

EAC N (optional)

TR

TH

FP

captive screw

captive screw

captive screw

captive screw

captive screw

     9-pin
     connector
     & harness

     6-pin
     connector
     & harness

spade terminal

spade terminal

spade terminal

spade terminal

spade terminal

spade terminal

spade terminal

spade terminal

spade terminal

spade terminal

spade terminal

spade terminal

spade terminal

spade terminal

spade terminal

spade terminal

spade terminal

low voltage thermostat W terminal (or equivalent)

low voltage thermostat G terminal (or equivalent)

low voltage thermostat R terminal (or equivalent)

low voltage thermostat Y terminal (or equivalent)

2nd wire from Y terminal goes to 24 VAC HOT side of

     compressor contactor coil

24 VAC COMMON side of compressor contactor coil

gas valve (both gas solenoids are connected in parallel)

rollout switch OUTPUT

rollout switch INPUT

pressure switch INPUT

pressure switch OUTPUT

MUST BE RELIABLY GROUNDED TO CHASSIS

high limit switch input

inducer HOT side

ignitor HOT side

inducer NEUTRAL side

ignitor NEUTRAL side

circulator blower COOL SPEED terminal

circulator blower HEAT SPEED terminal

unused circulator blower terminal

unused circulator blower terminal

circulator blower FAN SPEED terminal

input voltage (120 VAC) HOT side

24 VAC transformer line voltage HOT side

circulator blower NEUTRAL terminal

input voltage (120 VAC) NEUTRAL side

24 VAC transformer line voltage NEUTRAL side

humidifier HOT side

electronic air cleaner HOT side

humidifier NEUTRAL side

electronic air cleaner NEUTRAL side

24 VAC transformer (low voltage COMMON side)

24 VAC transformer (low voltage HIGH side)

flame sensor port*

Содержание 50A62-820

Страница 1: ...processor to continually monitor analyze and control the proper operation of the gas burner inducer and fan Signals interpreted during continual surveillance of the thermostat and flame sensing elemen...

Страница 2: ...multipoise Timing Specs 60 Hz maximum Flame Establishing Time 2 sec Flame Failure Response Time 2 sec Gases Approved Natural Manufactured Mixed Liquid Petroleum and LP Gas Air Mixtures are all approv...

Страница 3: ...ted only in a control box of a Lennox furnace The control must be secured to an area that will experi ence a minimum of vibration and remain below the maxi mum ambient temperature rating of 175 F The...

Страница 4: ...LLOUT N C HIGH LIMIT N C PRESSURE SWITCH N O FLAME SENSOR PROBE COMPRESSOR CONTACTOR ELECTRONIC AIR CLEANER HUMIDIFIER INDUCER CIRCULATOR BLOWER 50A62 24 VAC 120 VAC 24 VAC CLASS II TRANSFORMER HOT LI...

Страница 5: ...quivalent low voltage thermostat Y terminal or equivalent 2nd wire from Y terminal goes to 24 VAC HOT side of compressor contactor coil 24 VAC COMMON side of compressor contactor coil gas valve both g...

Страница 6: ...nergized After proof of flameloss theinducerblowerremainsenergizedtopurge the system for 5 seconds When the purge is complete the inducer blower and humidifier are de energized and the delay to fan of...

Страница 7: ...e the flame rollout sensor opens the gas valve and ignitor are de energized 2 If at any time flame is sensed when the gas valve is de energized the heat circulator blower and inducer fan are energized...

Страница 8: ......

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