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5

Terminal

block with

captive

screws

12-pin

connector

& harness

4-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

3/16" spade terminal

50A65

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)

TR

TH

FP

PS

HLI

HLO

GND

RO1

RO2

(1 unused terminal)

IND

IGN

IND N

IGN N

COOL

HEAT

PARK (2 terminals)

LINE

XFMR

EAC (optional)

HUM (optional)

CIR N

LINE N

XFMR N

EAC N (optional)

HUM N (optional)

E33

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)

24 VAC transformer (low voltage COMMON side)

24 VAC transformer (low voltage HIGH side)

flame sensor probe*

pressure switch INPUT

high limit INPUT

high limit OUTPUT

MUST BE RELIABLY GROUNDED TO CHASSIS

rollout switch OUTPUT

rollout 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 terminals

input voltage (120 VAC) HOT side

24 VAC transformer line voltage HOT side

electronic air cleaner HOT side

humidifier HOT side

circulator blower NEUTRAL terminal

input voltage (120 VAC) NEUTRAL side

24 VAC transformer line voltage NEUTRAL side

electronic air cleaner NEUTRAL side

humidifier NEUTRAL side

Auxiliary flame sense

Содержание UNIVERSAL INTEGRATED FURANCE CONTROL 50A65-843

Страница 1: ...flame sensing element initiate automatic ignition of the burner sensing of the flame and system shut off during normal operation These controls incorporate system fault analysis for quick gas flow sh...

Страница 2: ...ponse Time 2 0 sec At 50 Hz all timing specifications should be increased by 20 Gases Approved Natural Manufactured Mixed Liquified Petroleum and LP Gas Air Mixtures are all approved for use TIMING SP...

Страница 3: ...lowappliancemanufacturer s recommended installation or service instructions to ensure proper operation The 50A65 has only one serviceable part an automotive type fuse which protects the low voltage tr...

Страница 4: ...S VALVE HIGH LIMIT N C AUX HIGH LIMIT N C PRESSURE SWITCH N O FLAME SENSOR PROBE COMPRESSOR CONTACTOR ELECTRONIC AIR CLEANER HUMIDIFIER INDUCER CIRCU LATOR BLOWER 50A65 843 24 VAC 120 VAC 24 VAC CLASS...

Страница 5: ...ent 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 sol...

Страница 6: ...delay to fan off period ends the circulator fan and electronic air cleaner are de energized If flame is not detected both valves are de energized the ignitor is turned off and the 50A65 control goes i...

Страница 7: ...TURES The 50A65 843 control continuously monitors its own operation and the operation of the system If a failure occurs the LED will indicate a failure code as shown below If the failure is internal t...

Страница 8: ...MOUNTING HOLE TEMPLATE FOR MOUNTING HOLE LOCATIONS 4 172 007 2 plcs 6 402 010 2 plcs Refer to page 3 of the installation instructions for proper installation MOUNTING HOLE TEMPLATE...

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