Fenwal Controls Series 35-703 Manual

SERIES 35-703
120 VAC Microprocessor-Based
Intermittent Pilot Ignition Control
FEATURES
• Safe start with DETECT-A-FLAME
technology
• Custom pre-purge and inter-purge timings
• Single or three trials for ignition
• System diagnostic LED
• Local or remote flame sensing
• Automatic reset
• Open board, potted or enclosure
APPLICATIONS
• Commercial cooking
• Gas furnaces
• Unit heaters
• Water heaters
• Other gas-fired appliances
DESCRIPTION
The 35-703 is a 120 VAC intermittent pilot (IP) control designed
for use in all types of gas-fired appliances. The control uses a
microprocessor circuit to provide precise, repeatable timing and
operating sequences. On-board diagnostics with LED output
makes troubleshooting easy and ensures safe and efficient
operation.
Export Information (USA)
Jurisdiction: EAR
ECCN: EAR99
Agency Certifications
Recognized under the UL component program, UL
R
372. Software certified to ANSI/UL 1998. UL File
MH8817
Design Certified to ANSI Z21.20,
CAN/CSA C22.2 No. 199-M89
®
flame sensing
SPECIFICATIONS
Input Power
Input Current
Main Gas Valve
Pilot Gas Valve
Operating Temperature
Storage Temperature
Flame Sensitivity
Flame Failure Response
Flame Detector Self-check
Rate
Gas Types
Spark Rate:
Size (LxWxH)
with enclosure
Moisture Resistance
Ingress Protection
Tries for Ignition
Trial for Ignition Periods
Pre-purge and Inter-purge
Timings
1
102 to 138 VAC, 50/60 Hz
350 mA @120 VAC with main and
pilot gas valve relays energized
(control only)
1.5A max @ 120 VAC
1.5A max @ 120 VAC
-40°F to +160°F
(-40°C to +71°C)
-40°F to +185°F
(-40°C to +85°C)
µ
1.0
0.8 seconds maximum
Once per second minimum
Natural, LP, or manufactured
Remote 50/60 sparks/sec
Local 25/30 sparks/sec
5.11 x 3.55 x 2.00 inches
(12.98 x 9.02 x 5.08 cm)
Conformal coated to operate non-
condensing to 95% R.H. Module
should not be exposed to water
Not rated, protection provided by
appliance in which it is installed
One or three try versions available
15, 30, 60, 90 seconds available
0, 15, 30, 45 seconds or 4 minutes
available
F-35-703
March 2020
A minimum