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The Series 35-62 series direct spark ignition controller 
is a custom manufactured control. Consult factory with 
operational requirements.

Variable Options:

Pre-purge time
Single or multiple tries for ignition
Trial for ignition time
Inter-purge time
The Series 35-62 is only available 
with remote flame sensing

CONTROL CONFIGURATION

SERIES 35-625  X X X - X X X

Description

DIMENSIONS

FENWAL
400 MAIN STREET, ASHLAND, MA 01721
TEL: (508) 881-2000 FAX: (508) 881-6729
www.fenwalcontrols.com

© 2003 Fenwal     Printed in 

U.S.A.    TAG

These instructions do not purport to cover all the details or variations in the equipment
described, nor do they provide for every possible contingency to be met in connection with
installation, operation and maintenance. All specifications subject to change without notice.
Should further information be desired or should particular problems arise which are not covered
sufficiently for the purchaser’s purposes, the matter should be referred to KIDDE-FENWAL,
Inc., Ashland, Massachusetts.

P/N 35.62.03

10/30/03

®

Page 4

Series 35-62, 24 VAC Dual Point DSI Control

www.fenwalcontrols.com 1-800-FENWAL-1

Non-Standard Configurations  

9 = Non Standard Configuration 

A 9 in this location of the part number 
(i.e. 35-62 5         -113) identifies this 
configuration as a non-standard design.  
The part number does not follow the part  
numbering system.  The 9XX is a sequential
part number assigned by Fenwal.  Consult 
factory for operating characteristics of this 
control.

901

Summary of Contents for 35-62 Series

Page 1: ...e relay energized control only Gas Valve Rating 1 5A 24 VAC Inrush 3 0A maximum Operating Temperature 40 F to 160 F 40 C to 71 C Flame Sensitivity 1 0uA minimum Flame Failure 0 8 seconds Response Time Types of Gases Natural LP or manufactured Spark Rate Line frequency 50 60 sparks sec Enclosure Gray Noryl N 190 fire retardant plastic integral standoffs optional Moisture Resistance Conformal coated...

Page 2: ...respond within 0 8 seconds The HV spark will be energized for a trial for ignition period in an attempt to relight the burners If either burner does not light the control will de energize the gas valve Multi try models will make two more attempts to relight the burners If either burner does not relight the control will go into lockout as noted above in Failure to light If flame is re established n...

Page 3: ...kay during TFI A Bad electrode no flame sense after TFI B Bad S1 or HV wire C Poor ground at burner D Poor flame check flame current 6 Flame with no call for heat A Stuck valve check LED for 2 flashes FLAME CURRENT CHECK Flame current is the current which passes through the flame from the sensor to ground The minimum flame current necessary to keep the system from lockout is 7 microamps To measure...

Page 4: ...rovide for every possible contingency to be met in connection with installation operation and maintenance All specifications subject to change without notice Should further information be desired or should particular problems arise which are not covered sufficiently for the purchaser s purposes the matter should be referred to KIDDE FENWAL Inc Ashland Massachusetts P N 35 62 03 10 30 03 Page 4 Ser...

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