Desa Essential Operating Instructions for CBT30NT and CBT30PT Water Heaters
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OPERATING HEATER

FOR YOUR SAFETY READ

BEFORE LIGHTING

WARNING: If you do not fol- low these instructions exactly, a fire or explosion may result causing property damage, per- sonal injury or loss of life.

A.This appliance has a pilot which must be lighted by hand. When lighting the pilot, follow these instructions exactly.

B.BEFORE LIGHTING smell all around the appliance area for gas. Be sure to smell next to the floor because some gas is heavier than air and will settle on the floor.

WHAT TO DO IF YOU SMELL GAS

•Do not try to light any appliance.

•Do not touch any electric switch; do not use any phone in your building.

•Immediately call your gas supplier from a neighborʼs phone. Follow the gas supplierʼs instructions.

•If you cannot reach your gas supplier, call the fire department.

C.Use only your hand to push in or turn the gas control knob. Never use tools. If the knob will not push in or turn by hand, donʼt try to repair it, call a qualified service technician. Force or attempted repair may result in a fire or explosion.

D.Do not use this appliance if any part has been under water. Immediately call a qualified service technician to inspect the appliance and to replace any part of the control system and any gas control which has been under water.

LIGHTING

INSTRUCTIONS

1.STOP! Read the safety information above.

2.Make sure equipment shutoff valve is fully open.

3.Turn off any electric power to the appliance if service is to be performed.

4.Turn control knob clockwise to the OFF position.

5.Wait five minutes to clear out any gas. Then smell for gas, including near the floor. If you smell gas, STOP! Follow “B” in the safety information above. If you donʼt smell gas, go to the next step.

6.Turn control knob counterclockwise to the PILOT position. Press in control knob for five (5) seconds.

7.With control knob pressed in, push down and release ignitor button. This will light pilot. The pilot is attached to the front of burner. Note: You may be running this heater for the first time after hooking up to gas supply. If so, you may need to press in control knob for 30 seconds or more. This will allow air to bleed from the gas system. If needed, keep pressing ignitor button until pilot lights. If ignitor does not light pilot, refer to Troubleshooting, page 18 or contact a qualified service person or gas supplier for repairs. Until repairs are made, light pilot with match. To light pilot with match, see Manual Lighting Procedure, page 15.

8.Keep control knob pressed in for 30 seconds after lighting pilot. After 30 seconds, release control knob.

•If control knob does not pop up when released, contact a qualified service person or gas supplier for repairs.

Note: If pilot goes out, repeat steps 4 thru 7. Thermostat models have a safety interlock system. Wait one (1) minute before lighting pilot again.

9.Turn control knob counterclockwise to desired heating level. The main burner should light.

CAUTION: Do not try to ad- just heating levels by using the equipment shutoff valve.

Ignitor

Control

Button

Knob

 

 

F

 

F

 

O

Figure 19 - Control Knob In The OFF

 

Position

 

Ignitor

 

Electrode

 

Pilot

 

Burner

Thermocouple

 

Figure 20 - Pilot

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Contents What to do if YOU Smell GAS Table of Contents Safety Information Local Codes Product FeaturesSafety Device Ignition SystemFollowing are excerpts from National Fuel AIR for Combustion VentilationProviding Adequate Ventilation Unusually Tight ConstructionDetermining if You Have a Confined or Unconfined Space Determining FRESH-AIR Flow for Heater LocationVentilation AIR Ventilation Air From Inside BuildingCheck GAS Type AIR for Combustion Ventilation InstallationInstallation Items Ventilation Air From OutdoorsLocating Heater Thermostat Sensing BulbRemoving Front Panel Of Heater Installing Heater to WallMounting Bracket Marking Screw LocationsAttaching To Wall Anchor Method Installing Bottom Mounting ScrewsAttaching To Wall Stud Method Placing Heater On Mounting BracketMounting Heater to Floor Optional Connecting to GAS SupplyMounting Base Feet to Floor Where required by local code Mounting Base Feet to HeaterAppliance Apply pipe joint sealant lightly to male NPT Dealer. See Accessories,Be upstream from heater see Figure Clogged heater valvesTest Pressures Equal To or Less Than 1/2 Psig 3.5 kPa Checking GAS ConnectionsTest Pressures In Excess Of 1/2 Psig 3.5 kPa Lighting Instructions For Your Safety Read Before LightingOperating Heater To Turn OFF GAS To Appliance Manual Lighting ProcedureInspecting Heater Thermostat Control OperationODS/PILOT and Burner Soft bristled brush to cleanBurner Flame Pattern Burner Pilot AIR InletTechnical Service Cleaning MaintenanceService Hints When Gas Pressure Is Too LowControl knob is not in pilot position TroubleshootingObserved Problem Possible Cause Remedy Contact local propane/LP gas companyAssembly Goes out when control knob is Control knob not pressedProblem could be caused by Delayed ignition of burners Manifold pressure is too lowSlight smoke or odor during Noise when burner is litWhen heated, vapors from Turn heater off when using Initial operation Processes Hours of operationGas leak. See Warning Specifications Replacement Parts Service PublicationsIllustrated Parts Breakdown Front Panel 107954-01 107955-01 Parts List111435-01 Electronic Ignitor 097159-04 Piezo Ignitor FAN Kits GA3250T AccessoriesEquipment Shutoff Valve GA5010 Floor Mounting KIT GA4550Parts Central Warranty Information Keep this Warranty

CBT30NT, CBT30PT specifications

The Desa CBT30NT and CBT30PT are high-performance heating solutions designed to deliver efficient warmth for both residential and commercial applications. These units are known for their reliability, innovative features, and easy integration into various spaces. They are particularly suited for those seeking effective heating options without compromising on energy efficiency.

The CBT30NT, or the natural gas version, stands out with its ability to provide consistent warmth through a direct vent system. This allows for safe operation while minimizing the impact on indoor air quality. It effectively draws combustion air from outside, which is essential for spaces with limited ventilation. The CBT30PT, on the other hand, is a propane variant, providing flexibility for users who may not have access to natural gas lines. Both models are designed with user convenience in mind, featuring a simple control system that allows for easy adjustments and temperature settings.

One of the key characteristics of these heaters is their advanced thermostat control, which enables precise temperature management. This feature ensures energy usage is optimized, preventing unnecessary heating and reducing utility costs. The compact and sleek design of the CBT30NT and CBT30PT allows them to fit seamlessly into any room without being an eyesore.

The heaters are equipped with durable materials, providing resilience against the rigors of daily use. They feature safety mechanisms, including flame failure safety devices, ensuring peace of mind for users. Furthermore, both models incorporate a forced air design, which disperses heat efficiently throughout the space, eliminating cold spots and creating a more uniform climate.

In summary, the Desa CBT30NT and CBT30PT are ideal heating solutions that combine safety, efficiency, and aesthetic appeal. Their natural gas and propane options respectively cater to a diverse range of user needs, making them versatile choices for enhanced comfort. With their advanced technology and user-friendly features, these heaters are a worthy investment for anyone in need of reliable heating solutions. Emphasizing energy efficiency and user safety, they represent the next generation of residential and commercial heating systems.
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