Fenwal 35-61 Series Manual

SERIES 35-61
24 VAC Microprocessor Based Direct Spark
Ignition Control with Combustion Blower Relay
FEATURES
24 VAC Microprocessor Based DSI Control
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System Diagnostic LED
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Automatic reset 1 hour after lockout
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Custom prepurge and interpurge timings
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Flame sense test pins
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APPLICATIONS
Gas Furnaces
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Boilers
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Water Heaters
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Other Similar Appliances
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DESCRIPTION
The Series 35-61 is a 24 VAC Microprocessor Based Direct Spark
Ignition Control designed for use in all types of heating applications.
The control utilizes a microprocessor to continually and safely
monitor, analyze and control the proper operation of the gas burner.
Value added features such as combustion blower control, LED
diagnostics, automatic one hour reset, and flame current test pins
highlight the controls benefits.
Agency Certifications
Software conforms to UL 1998 requirements
Design certified to ANSI Z21.20, CAN/CSA C22.2
No. 199-M89
www.fenwalcontrols.com 1-800-FENWAL-1
SPECIFICATIONS
Input Power
Input Current Drain
Gas Valve Rating
Combustion Blower
Rating
Operating Temperature
Flame Sensitivity
Spark Rate
Enclosure
Moisture Resistance
Tries for Ignition
Trial for Ignition Periods
Prepurge & Interpurge
35-61, 24 VAC DSI Control with Blower Relay
35.61.02
Control: 18-30 VAC 50/60 Hz
(Class 2 Transformer)
Line: 120/240 VAC
(L1, IND contacts only)
300 mA @ 24 VAC, combustion
blower relay and gas valve relay
energized (control only)
2.0A @ 24 VAC
3.0 FLA @ 120 VAC (6.0 LRA)
1.5 FLA @ 240 VAC (3.0 LRA)
1/4 H.P. Motor
-40ºF to +160ºF
-40ºC to +71ºC
.7µA minimum
Line frequency (50/60 sparks/ sec.)
Gray (Noryl N-190) fire
retardent plastic
Conformal coated to operate
to 95% R.H. Care must be
taken to protect module from
direct exposure to water
One or three try versions
available
4.0,7.0,10.0, or 15.0 seconds
available
None, 15, or 30 seconds
depending on model. Without
prepurge there is a 3.5
second delay before the first
try for ignition.
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