White Rodgers 50D50-842 Installation Manual download pdf (Page 1)

Application of this type of control may cause

ﬂame rollout on initial startup and could cause

personal injury and/or property damage.

Check product speciﬁcation and cross reference

before replacing existing module. Do not use if

existing module is not listed. Use of a program

key other than listed can result in appliance

malfunction.

FAILURE TO READ AND FOLLOW ALL INSTRUCTIONS CAREFULLY

BEFORE INSTALLING OR OPERATING THIS CONTROL COULD CAUSE

PERSONAL INJURY AND/OR PROPERTY DAMAGE.

CONTENTS

Description ................................................................... 1

Precautions .................................................................. 1

Speciﬁcations ............................................................... 2

Installation .................................................................... 2

Mounting & Wiring ......................................................... 2

Operation & Troubleshooting ........................................ 4

DESCRIPTION

PRECAUTIONS

GENERAL PRECAUTION

To prevent electrical shock and/or equipment

damage, disconnect electric power to system at

main fuse or circuit breaker box until installation

is complete.

Label all wires prior to disconnection when

servicing controls. Wiring errors can cause

improper and dangerous operation.

This control is not intended for use in locations

where it may come in contact with water. Suitable

protection must be provided to shield the control

from exposure to water (dripping, spraying, rain,

etc.).

CAUTION

The 50D50-842 is a universal replacement Direct Spark

control designed for maximum compatibility with existing

systems. It features:

• A card port and eight program keys to select the

Trial for Ignition Time, Retries, Pre-purge and

Recycle timings.

• A Jumper to accommodate systems using Direct

Sense (sensing through ignitor) or Indirect Sense

(using a Flame Sensor)

• LEDindicatorforquicksystemandmodulediagnostics

and troubleshooting.

Do not use on circuits exceeding speciﬁed voltage.

Higher voltage will damage control and could

cause shock or ﬁre hazard.

Do not short out terminals on gas valve or primary

control to test. Short or incorrect wiring will

damage thermostat and could cause personal

injury and/or property damage.

WARNING

If in doubt about whether your wiring is millivolt, line, or

lowvoltage,haveitinspectedbyaqualiedheatingand

air conditioning contractor or licensed electrician.

Do not exceed the speciﬁcation ratings.

Allwiring mustconformtolocalandnationalelectrical

codes and ordinances.

This control is a precision instrument, and should be

handled carefully. Rough handling or distorting compo-

nents could cause the control to malfunction.

www.white-rodgers.com

www.emersonclimate.com

PART NO. 37-6575F

Replaces37-6575E

1423

50D50-842

Universal Direct Spark Control

INSTALLATION INSTRUCTIONS

1 2 3 4 5 6 ... 11 12

Summary of Contents

Page 1 - 50D50-842

Application of this type of control may cause ﬂame rollout on initial startup and could cause personal injury and/or property damage.Check product spe

Page 2

3FABRICANTE MODELO TECLA CONEXIÓNHoneywell S8680(genérica) Varios Fig.2/3Honeywell S87B1008 C (verde) Fig3Honeywell S87B1016 G (azul\rojo) Fig3H

Page 3 - INSTALLATION

2ESPECIFICACIONES INSTALACIÓN MONTAJE Y CONEXIONESNOTAEspeciﬁcaciones de tiempos de las teclas de programaReferencia rápidaCARACTERÍSTICAS ELÉCTRICAS:

Page 4 - TROUBLESHOOTING

Para evitar descargas eléctricas y/o daños al equipo, desco-necte la alimentación eléctrica en la caja de fusibles o di-syuntores principal hasta que

Page 5

2SPECIFICATIONS INSTALLATION MOUNTING AND WIRINGNOTEProgram Key Timing Speciﬁcations Quick ReferenceELECTRICAL RATINGS:Input Voltage: 18to30VAC,6

Page 6 - TheEmersonlogoisa

3Fig. 2 – Typical hookup for White-Rodgers replacement with separate ﬂame sense and spark probesFig. 3 – Typical hookup for White-Rodgers replacement

Page 7 - White-Rodgersesunanegocio

4 LED Condition Solid On Normal - Control ON One Flash False ﬂame signal Two Flashes No Flame Detected Three Flashes Safety Drive Fault 

Page 8 - SOLUCIÓN DE PROBLEMAS

5NOYESNOYESYESNONOYESNOYESNOYESNOYESTROUBLESHOOTING Call for heat, Thermostat contacts closeChecklowvoltagetomodule(TH-TR). Ifnovoltage:Check

Page 9 - FUNCIONAMIENTO

White-Rodgers is a business ofEmersonElectricCo.TheEmersonlogoisa trademark and service mark ofEmersonElectricCo.www.white-rodgers.comwww.e

Page 10 - INSTALACIÓN

White-Rodgersesunanegocio de Emerson Electric Co.EllogotipodeEmersonesunamarca comercial y una marca de servicio de Emerson Electric Co.www.w

Page 11 - ¡ADVERTENCIA!

5NOSÍNOSÍSÍNOSÍNOSÍNOSÍNOSÍSOLUCIÓN DE PROBLEMAS Llamadadecalor,loscontactos del termostato se cierranVeriquesielvoltajealmóduloesbajo(T

Page 12

4 LED Estado Encendido ﬁjo Normal - Control ENCENDIDO  Unintermitente Señaldellamafalsa Dos intermitentes No se detectó llama Tres