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The Fenwal 35-63J101-015 Intermittent Pilot Ignition Control is a microprocessor based ignition control suitable for replacing many existing intermittent pilot ignition controls from various manufacturers. Parts4heating stocks this control to replace the Johnson ignition control.
This ignition control is a direct form, fit and functional replacement for the discontinued Johnson G770MGA-1, G770MGA-2, G770MGA-5 and G770MHA-2 controls. Fenwal is not just a universal type aftermarket control, it was designed to be a drop in replacement. Design began with the physical size of the box, continued with wire placement (which is the exact match to the Johnson control) and right down to the wire terminal numbers on the side.
SPECIFICATIONS | 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 | -40F to +176F (-40C to +80C) | | Storage Temperature | -40F to +185F (-40C to +85C) | | Flame Sensitivity | 0.3 A minimum | | Flame Failure Response or Re-ignition Time | 0.8 seconds maximum | | Flame Detector Self-check Rate | Once per second minimum | | Types of Gas | Natural, LP, or manufactured | | Spark Rate | Remote sense (50/60 Hz) Local sense (25/30 Hz) | | Size (LxWXH) | 4.92 x 3.32 x 2.71 inches (with cover) 12.50 x 8.43 x 6.88 cm (with cover) | | Weight | 8 ounces (nominal) 224 grams (nominal) | | Moisture Resistance | Conformal coated to operate to 95% R.H. (non-condensing) | | Tries for Ignition | One or three try versions available | | Trial for Ignition Periods | 8, 25, 50, 85, 120 seconds available | | Prepurge Timings | None, 4, 15, or 30 seconds available | | Interpurge Timings | None, 15, 30, or 45 seconds available | CONTROL CONFIGURATION | Options | Recycle After Loss of Flame (standard) | Enclosure | Noryl Gray Enclosure | Tries for Ignition, Flame Sense and Lockout Reset Methods | Single Try, Remote Sense Thermostat / power off reset | Pre-Purge | None | Inter-Purge | 15 Seconds | Trial for Ignition | 50 Seconds
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Troubleshooting
24 VAC Microprocessor Based Intermittent Pilot Ignition Control Johnson Controls G770MGA-1, G770MGA-2, G770MGA-5, G770MHA-2 Series Replacement
FEATURES - Drop-in replacement for JCI G77x series
- Safe Start and full-time flame sensing
- Custom prepurge and interpurge timings
- Multiple trials for ignition
- Diagnostic LED using Fenwal fault codes
- Three ground terminals for ease of wiring
- Remote or local flame sense options
- Automatic 5 min or 1 hour reset after lockout options
DESCRIPTION The Fenwal 35-63J Series provides all the features, perfor- mance and reliability of our 35-63 Series 24 VAC intermittent pilot (spark-to-pilot) ignition control in a Johnson Controls format. Designed to directly replace the Johnson G77x Series, the Fenwal 35-63J matches the footprint, mounting hole pattern, and wiring connections of the discontinued Johnson series. APPLICATIONSDirectly replaces Johnson Controls G77x in: - Commercial cooking equipment
- Commercial gas furnaces
- Unit heaters
- Water heaters
Consider the Fenwal 35-63J for IP ignition applications where a smaller footprint is desirable ADVANTAGES - Microprocessor control for precise, repeatable timings and operating sequences
- Fenwal Platform Design for easy customization of ignition cycle and timings to appliance requirements
- High Spark Energy for fast, dependable burner ignition
- Superior 120V Flame Sense Signal provides safe, reliable burner operation (vs. 24V design)
- On-board diagnostics with LED display for efficient operation and easy troubleshooting
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