SERIES 35-63
24 VAC Microprocessor Based
Intermittent Pilot Ignition Control
FEATURES
System diagnostic LED
Automatic reset 1 hour after lockout option
Safe Start and full time flame sensing
Remote flame sense option
Flame sense test pins
Custom prepurge and interpurge timings
Multiple trials for ignition
APPLICATIONS
Commercial cooking equipment
Commercial gas furnaces
Unit heaters
Water heaters
DESCRIPTION
The 35-63 is a 24 VAC intermittent pilot ignition control.
The microprocessor circuit design provides precise, repeatable
timing and operating sequences. The on-board diagnostics
with LED output provide assistance with troubleshooting to ensure
safe and efficient operation.
Agency Certifications
Component recognized system. Software conforms to UL
1998 requirements
Design certified to ANSI Z21.20, CAN/CSA C22.2
No. 199-M99
CE Approved to EN298 (Pending)
®
35.63.01
SPECIFICATIONS
Series 35-63, 24 VAC Intermittent Pilot Igntion Control Page 1
www.fenwalcontrols.com 1-800-FENWAL-1
Input Power Control: 18-30 VAC 50/60 Hz (Class 2 Transformer)
Input Current Drain
300 mA @24 VAC with gas and pilot relays energized
(Control only)
Main Gas Valve 2.0A max (continuous)
Pilot Gas Valve 2.0A max (continuous)
Operating Temperature -40ºF to +176ºF (-40ºC to +80ºC)
Storage Temperature -40ºF to +185ºF (-40ºC to +85ºC)
Flame Sensitivity 0.7 uA minimum
Flame Failure
Response Time
0.8 seconds maximum
Types of Gases Natural, LP, or manufactured
Spark Rate Line frequency (50/60 sparks/sec)
Size (LxWxH)
5.69 x 3.94 x 1.87 inches (with cover)
14.45 x 10.0 x 4.75 cm (with cover)
Weight 8 ounces (nominal) 224 grams (nominal)
Moisture Resistance
Conformal coated to operate non-condensing
to 95% R.H. Care must be taken to protect
module from direct exposure to water
Tries for Ignition One or three try versions available
Trial for Ignition
Periods
15, 30, 60, 90 seconds available
Prepurge Timings None, 15, 30 45 seconds available
Interpurge Timings None, 15, 30 seconds, or 4 minutes available
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