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F-35-53-CE

January 2020

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Series 35-53CE

12 VDC Microprocessor Based 

Direct Spark Ignition Control

FEATURES

Combustion blower relay with post-purge

System Diagnostic LED

Single or Multiple tries for ignition (TFI)

Multiple options for TFI, pre, inter, and post-purge timings 

Meets ANSI 60730-2-5 Harmonized Standards

Remote or local flame sensing

Standard Edge connector

Integral Standoffs for mounting

Available Manual Reset with Non-Volatile Lockout

APPLICATIONS

Recreational Vehicles (including boats/marine)

Furnace, Water Heaters

Mobile Heating Equipment

Agricultural Heaters

Construction Equipment

Process Heating and Flare Stacks

DESCRIPTION

The Model 35-53CE is a 12 VDC Microprocessor Based Direct 

Spark Ignition Control designed for use in all types of heating 

applications such as RV gas furnaces and other similar appli

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ances. The control uses a microprocessor to continually and 

safely monitor, analyze, and control the proper operation of the 

gas burner. Value added features such as combustion blower 

control, and multiple ignition tries highlight the control's bene

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fits. The integrated combustion blower version is fully backward 

compatible with all previous Fenwal Controls 12 VDC controls 

and competitive models. The control determines the unit con

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figuration at the start of the heating sequence and disables the 

blower function if not required, allowing one part to address all 

service or OEM needs.

Agency Certifications

EN298 CE 584099

Classification: BMRVXN

Mobile Applications: DC supply type A, B, & C.

Code Compliant to:

AS 4625 - 2008

AS 4622 - 2004

CAN/CSA E60730-1

ANSI Z21.20: CAN/CSA C22.2 No. 60730-2-5

Compliant with current RoHS standards

SPECIFICATIONS

Input Power

Control: 9.2 to 15 VDC from a stor

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age battery or full wave 
rectified unfiltered 50/60 Hz AC

Input Current

< 5W, 300 mA @ 12 VDC,
combustion blower and gas valve 
relays energized (control only)

Gas Valve

1.0A @ 12 VDC

Combustion Blower Rating

20.0A @ 12 VDC

Operating Temperature

-40°F to + 176°F
(-40°C to +80°C)

Flame Sensitivity

0.7 μA minimum

Flame Failure Response Time

0.8 seconds maximum

Flame Failure Lockout Time

Varies by model, 
310 seconds maximum

Flame Detector Self-check Rate

Once per second minimum

Gas Types

Natural, LP, or manufactured

Spark Rate

16 sparks per second

Size (LxWxH)

4.25 x 3.25 x 1.50 inches
(10.80 x 8.25 x 3.81 cm)

Enclosure

Uncovered with integral standoffs

Moisture Resistance

Conformal coated to operate to 
95% R.H. (Non-Condensing)
Always avoid direct exposure to 
water.

Ingress Protection

Not Rated, Protection provided by 
appliance in which it is installed

Tries for Ignition

One or Three

Trial for Ignition Periods

5, 7, 10, and 25 seconds

Pre-purge and Inter-purge 
Timings

None, 15, or 25 seconds 
depending on model. 
Without pre-purge and full-time 
power, there is a 2-second start-up 
delay.

Post-purge Timings

None, 45, 60, 90, 130, or 150 sec

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onds available

Summary of Contents for 35-53CE Series

Page 1: ...s the blower function if not required allowing one part to address all service or OEM needs Agency Certifications EN298 CE 584099 Classification BMRVXN Mobile Applications DC supply type A B C Code Compliant to AS 4625 2008 AS 4622 2004 CAN CSA E60730 1 ANSI Z21 20 CAN CSA C22 2 No 60730 2 5 Compliant with current RoHS standards SPECIFICATIONS Input Power Control 9 2 to 15 VDC from a stor age batt...

Page 2: ...stic LED will indicate the fault code for igni tion lockout 3 Flashes Flame Failure FLAME FAILURE RECYCLE MODE Standard With the Recycle after Loss of Flame option upon loss of flame the gas valve is de energized and the control proceeds to inter purge before attempting to relight the flame Multi try models permit three tries for ignition including inter purges If the burner relights normal operat...

Page 3: ...t has been exposed to water must be replaced WARNING All wiring must be done in accordance with both local and national electrical code and by a trained service technician Wiring must be at least 18 AWG rated for 105 C or higher WARNING The 35 53CE uses voltages of shock hazard potential Wiring and initial operation must be done by qualified service technician WARNING Operation outside specificati...

Page 4: ...wer Relay Figure 2 Local Sense without Blower Relay Figure 3 Remote Sense with Blower Relay Figure 4 Remote Sense without Blower Relay DIMENSIONS INTEGRAL STANDOFF 4 250 3 750 250 3 250 2 750 250 6 PIN EDGE CONNECTOR 1 25 NOM 218 MAX 250 Q C H V TERMINAL 164 010 DIA 4 MOUNTING HOLES ...

Page 5: ...lectrode Location Proper location of electrode assembly is important for optimum system performance The electrode assembly should be located so that the tips are inside the flame envelope and about 1 2 inch 1 2 cm above the base of the flame as shown Notes Ceramic insulators must not be in or close to the flame Electrode assemblies must not be adjusted or disassembled Electrodes are NOT field adju...

Page 6: ...s void Troubleshooting Guide Symptom Recommended Actions 1 Dead A Miswired B Transformer battery fault C Fuse circuit breaker fault D No voltage at PWR or AIR E Bad control 2 Thermostat on no blower output A Miswired or failed air flow switch B Faulty thermostat no voltage at thermostat terminal TH C Faulty control 3 Airflow Switch input okay but no TFI after purge delay A Miswired B Faulty contro...

Page 7: ... X X X X DESCRIPTION Trial for Ignition Time 1 5 econds 3 7 econds 5 10 econds 7 25 econds S S S S Inter Purge 0 None 1 15 econds 3 25 econds S S Product Designation 2 CE EN298 Standard Recycle 3 CE EN298 Special Configuration A 3 in this location indicates a special configuration Consult Fenwal controls for operating characteristics of this control Pre Purge 0 None 1 15 Seconds 3 25 Seconds Tries...

Page 8: ...3 SERIES 35 60 61 63 608 SERIES 35 65 66 SERIES 35 9X The object of the declaration described above is in conformity within the relevant union harmonization legislation Gas Appliance Regulation EU 2016 426 Low Voltage Directive 2014 35 EC EMC Directive 2014 30 EC Rohs 2011 65 EU The following harmonized standards and technical specifications have been applied EN298 2012 Automatic Burner Control sy...

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