Desa CGB50N, CGB35N installation manual TROUBLE- Shooting, Cleaning and Mainte

Page 27

TROUBLE- SHOOTING

Continued

OBSERVED

POSSIBLE

 

 

 

 

 

 

 

 

 

 

 

 

PROBLEM

CAUSE

 

 

REMEDY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Pilot lights but flame

1. Manual shutoff

valve

1.

Fully open manual shut-

 

goes out when

 

not fully open.

 

 

off valve.

 

 

 

 

 

 

 

control knob is

2.

Control knob not fully

2.

Press

in control knob

 

released.

 

pressed in.

 

 

 

fully.

 

 

 

 

 

 

 

 

 

 

3.

Control

knob

not

3.

After pilot lights, keep

 

 

 

 

pressed in long enough.

 

control knob pressed in

 

 

 

 

 

 

 

 

 

30 seconds.

 

 

 

 

 

 

 

 

4.

Safety interlock system

4.

Wait

one

minute

for

 

 

 

 

has been triggered.

 

safety interlock system

 

 

 

 

 

 

 

 

 

to reset. Repeat ignition.

 

 

 

5.

Thermocouple connec-

5.

Hand tighten until snug,

 

 

 

 

tion

loose

at control

 

then

tighten

1/4

turn

 

 

 

 

valve.

 

 

 

more.

 

 

 

 

 

 

 

 

 

6.

Pilot flame not touching

6.

A) Contact

qualified

 

 

 

 

thermocouple, which

 

service person to prop-

 

 

 

 

allows thermocouple to

 

erly adjust pilot flame.

 

 

 

 

cool,

causing

pilot

 

B) Contact local natural

 

 

 

 

flame to go out. This

 

gas company.

 

 

 

 

 

 

 

 

 

problem

could be

 

C) Clean pilot (see

 

 

 

 

 

 

 

caused by any or all of

 

Cleaning and Mainte-

 

 

 

 

the following:

 

 

nance, page 25) or

 

 

 

 

 

 

 

A) Improperly adjusted

 

replace pilot assembly.

 

 

 

 

pilot flame

 

 

 

 

 

 

 

 

 

 

 

 

 

 

B) Low gas pressure

 

 

 

 

 

 

 

 

 

 

 

 

 

C) Dirty or partially

 

 

 

 

 

 

 

 

 

 

 

 

 

clogged pilot

 

 

 

 

 

 

 

 

 

 

 

 

 

7.

Thermocouple damaged.

7.

Replace thermocouple.

 

 

 

8.

Control valve damaged.

8.

Replace control valve.

 

 

 

 

 

 

 

 

 

 

Burner does not light

1. Safety interlock system

1.

Fully

depress

control

 

after pilot is lit.

 

has been inadvertently

 

knob in any position other

 

 

 

 

triggered.

 

 

 

than

pilot

and

release.

 

 

 

 

 

 

 

 

 

Wait

one

minute

for

 

 

 

 

 

 

 

 

 

safety interlock system to

 

 

 

 

 

 

 

 

 

reset. Repeat ignition.

 

 

 

2.

Burner orifice is

 

2.

Clean burner (see Clean-

 

 

 

 

clogged.

 

 

 

ing and Maintenance,

 

 

 

 

 

 

 

 

 

page

25)

or

replace

 

 

 

 

 

 

 

 

 

burner orifice.

 

 

 

 

 

 

 

 

3.

Burner orifice diameter

3.

Replace burner orifice.

 

 

 

 

is too small.

 

 

 

 

 

 

 

 

 

 

 

 

 

4.

Inlet gas pressure is too

4.

Contact local

natural

 

 

 

 

low.

 

 

 

 

gas company.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Delayed ignition of

1. Manifold pressure is too

1.

Contact local

natural

 

burner.

 

low.

 

 

 

 

gas company.

 

 

 

 

 

 

 

 

2.

Burner orifice is

 

2.

Clean burner (see Clean-

 

 

 

 

clogged.

 

 

 

ing

and Maintenance,

 

 

 

 

 

 

 

 

 

page

25)

or

replace

 

 

 

 

 

 

 

 

 

burner orifice.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Continued

 

 

 

 

 

 

 

 

 

 

 

 

 

 

27

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

100351

Image 27
Contents OWNER’S Operation and Installation Manual For Your SafetyWhat to do if YOU Smell GAS Contents Carbon monoxide poisoning may lead to death Safety InformationSafety Information Product Identification Local Codes Unpacking Product Features Installation ItemsCheck GAS Type Heater Clearances Locating HeaterVenting Heater Do not vent heater in any of the following ways see Figure Venting HeaterVenting Heater Proper Size Vent Connecting Heater to Utility Gas Line Connecting to GAS SupplyGas Connection Checking GAS Connections Pressure Testing Gas Supply Piping SystemRemoving Lower Front Access Panel Installing Glass PanelInserting Glass Panels Fresh AIR for Combustion and Ventilation Draft Hood Spillage Test Determining FRESH-AIR Flow for Heater LocationVentilation Air from Outdoors Example 2 Locating Heater in Confined Closed Area For Your Safety Read Before Lighting Operating HeaterLighting Instructions Viewing Pilot Shutting Off Burner Only pilot stays lit Manual Lighting ProcedureTo Turn OFF GAS to Appliance Shutting Off HeaterInspecting Pilot and Burner Flame Pilot Flame PatternBurner Flame Pattern Correct Burner Flame Pattern Cleaning and Maintenance Observed Possible Problem Cause Remedy Trouble ShootingTROUBLE- Shooting Cleaning and MainteObserved Possible Remedy Problem Cause Statement at top Gas leak. See WarningRemoving Control Valve and Burner Tube Service ProceduresRemoving Burner Orifice Location 35,000 BTU/Hr Burner Shown Changing Burner OrificeModel Technical ServiceService Hints 35,000 BTU/HrOrdering Replacement Parts Centrals Parts Under WarrantyParts Not Under Warranty Valve GA5010 AccessoriesIllustrated Parts List QTY Cabinet Assembly 100351 International Warranty Information

CGB50N, CGB35N specifications

Desa CGB35N and CGB50N are high-efficiency gas burners designed for various residential and commercial heating applications. These models stand out for their advanced technology, reliability, and user-friendly features.

The CGB35N is a compact, wall-mounted gas burner designed for efficient space heating solutions. With a thermal output of up to 35 kW, it is ideal for smaller homes or commercial spaces that require effective heating without excessive energy consumption. The burner is equipped with a modulating output, which allows it to adjust its power based on heating demands, leading to significant energy savings and consistent comfort levels.

In contrast, the CGB50N provides a higher thermal output of 50 kW, making it suitable for larger spaces or applications requiring additional heating capacity. Both models are designed to operate quietly and efficiently, ensuring a comfortable environment while maintaining low operational noise levels.

One of the key features of both the CGB35N and CGB50N is their high-efficiency condensing technology. This technology captures and utilizes the heat from the exhaust gases that would typically be wasted in traditional heating systems, resulting in improved energy efficiency and reduced carbon emissions. The appliances boast low NOx emissions, adhering to stringent environmental regulations, making them an eco-friendly choice for conscientious consumers.

Installation and maintenance of both units are straightforward, thanks to their compact design and accessible components. They come equipped with an intelligent control system that monitors performance in real-time, ensuring optimal operation and enabling users to easily adjust settings via a digital interface. This user-centric design enhances the overall experience and allows for quick troubleshooting when necessary.

Additionally, both models support integration with smart home systems, allowing users to control heating remotely and set schedules tailored to their lifestyle. This feature not only improves convenience but also further optimizes energy usage.

In summary, the Desa CGB35N and CGB50N gas burners combine high efficiency, advanced technology, and user-friendly features to provide reliable heating solutions for diverse applications. Their outstanding performance, environmental consciousness, and smart capabilities make them ideal choices for modern heating needs.