F-35-71
March 2020
1
FEATURES
•
Safe start with DETECT-A-FLAME
®
flame sensing
technology
•
Custom pre-purge and inter-purge timings
•
Inducer blower control and airflow switch monitoring
•
Single or three trials for ignition
•
System diagnostic LED
•
Flame current test points
•
Local or remote flame sensing
•
Automatic reset
•
Alarm output (normally closed contact)
•
Open board, potted or enclosure
•
Polarity insensitive input power
APPLICATIONS
•
Commercial cooking
•
Agriculture
•
Infrared burners
•
Construction heaters
•
Other gas-fired appliances
DESCRIPTION
The 35-71 is a 120 VAC direct spark ignition (DSI) 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
SPECIFICATIONS
Recognized under the UL component program, UL
372. Software certified to ANSI/UL 1998. UL File
MH8817
Design Certified to ANSI Z21.20,
CAN/CSA C22.2 No. 199-M89
Input Power
102 to 138 VAC, 50/60 Hz
Input Current
350 mA @120 VAC with gas valve relay
energized (control only)
Gas Valve
1.5A max @ 120 VAC
Inducer Blower
3.0 FLA @ 120 VAC
Operating Temperature
-40°F to +160°F
(-40°C to +71°C)
Storage Temperature
-40°F to +185°F
(-40°C to +85°C)
Flame Sensitivity
1.0 µA minimum
Flame Failure Response
0.8 seconds maximum
Flame Detector Self-check Rate Once per second minimum
Gas Types
Natural, LP, or manufactured
Spark Rate:
Remote
Local
50/60 sparks/sec
25/30 sparks/sec
Size (LxWxH)
with enclosure
5.11 x 3.55 x 2.00 inches
(12.98 x 9.02 x 5.08 cm)
Moisture Resistance
Conformal coated to operate non-con-
densing to 95% R.H. Module should not
be exposed to water
Ingress Protection
Not rated, protection provided by
appliance in which it is installed
Tries for Ignition
One or three try versions available
Trial for Ignition Periods
4, 7, 10, 15 seconds available
Pre-purge and Inter-purge
Timings
0, 5, 15 or 30 seconds available
Post-purge Time
0, 30 or 60 seconds available
SERIES 35-71
120 VAC Microprocessor-Based Direct Spark
Ignition Control with Inducer Blower Relay
R
