F-35-70
March 2020
1
FEATURES
•
Safe start with DETECT-A-FLAME
®
flame sensing
technology
•
Custom pre-purge and inter-purge timings
•
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 flame sensing
APPLICATIONS
•
Commercial cooking
•
Crop dryers
•
Infrared burners
•
Construction and agriculture heaters
•
Other gas-fired appliances
DESCRIPTION
The 35-70 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
FM Approved as both an ignition device and a flame
safeguard. Restricted to single try models without 1
hour reset. TFI time must be 15 seconds or less.
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
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
µ
A 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-
condensing 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
SERIES 35-70
120 VAC Microprocessor-Based
Direct Spark Ignition Control
R
