Desa VP22IT, VN30T Thermostat Operation, Burner Patterns, Models VP16IT, VN18IT, VP26IT, & VN30IT

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OPERATING HEATER (THERMOSTAT MODELS)

To Select Heating Level

To Turn Off Gas To Appliance

Thermostat Operation

Manual Lighting Procedure

OPERATING HEATER

Continued

TO SELECT

HEATING LEVEL

INFRASTAT MODELS VP16IT, VN18IT, P26IT, & VN30IT ONLY

WARNING: When running heater, set control knob at the 1, 2, 3, or 4 locked positions. Never set control knob between locked positions. Poor combustion and higher levels of carbon monoxide may result.

CAUTION: Do not try to adjust heating levels by using the equipment shutoff valve.

1.Slightly press in plaque control knob on right side of heater

and turn counterclockwise C-clockwiseto the desired position.

IMPORTANT: Release downward pressure while turning control knob. Control knob will lock at the desired position.

2.For standard models (T), turn thermostat control knob on left side of heater to any setting between LO and HI. For infrastat models (IT), set thermostat control knob at the 1, 2, 3, or 4, locked positions. Note: When burners cycle on, (from LO to HI or one locked positions to another) a “click” will be heard. When the burners light, a “whoosh” noise will be heard.

Plaque

VP16IT

VP22IT

Control Knob

VN18IT

VP25IT

2

3

 

 

4

 

 

1

 

 

 

3

4

 

 

2

 

 

 

1

 

 

 

4

 

 

 

3

 

 

 

2

1

 

 

 

 

 

4

 

 

 

3

1

 

 

 

2

 

 

Figure 26 - Burner Patterns, Models VP16IT, VN18IT, VP26IT, & VN30IT

TO TURN OFF GAS

TO APPLIANCE

Shutting Off Heater

1. Turn thermostat control knob clockwise Clockwise to the OFF position.

2.Turn off all electric power to the appliance if service is to be performed.

Shutting Off Burner Only (pilot stays lit)

Turn thermostat control knob clockwise Clockwise to the PILOT position.

THERMOSTAT

OPERATION

The thermostatic control used on these models differs from standard thermostats. Standard thermostats simply turn on and off the burner. The thermostat used on this heater senses the room temperature. At times the room may exceed the set temperature. If so, the burner will shut off. The burner will cycle back on when room temperature drops below the set tempera- ture. For standard models (T), the control knob can be set to any 2 comfort level between HI and LO. All plaques will turn off and on. For infrastat models (IT), the control knob can be set at the 1, 2, 3, or 4 locked positions for the desired comfort level. The number of plaques selected will turn off and on.

Note: The thermostat sensing bulb measures the temperature of air near the heater cabinet. This may not always agree with room temperature (depending on housing construction, installation location, room size, open air temperatures, etc.) Frequent use of your heater will let you determine your own comfort levels.

MANUAL LIGHTING

PROCEDURE

1.Follow steps 1 through 5 under Lighting Instructions, page 15.

2.With thermostat control knob pressed in, strike match. Hold match to pilot until pilot lights.

3.Keep thermostat control knob pressed in for 30 seconds after lighting pilot. After 30 seconds, release control knob. Follow step 8 under Lighting Instructions, page 15.

For..com

107887-01E

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Contents VP16IT, VN18IT VP22IT, VN25IT Safety Information and Installation ManualWhat to do if YOU Smell GAS Table of Contents Safety InformationSafety Information Product Identification Product FeaturesUnpacking Local CodesAIR for Combustion and Ventilation Providing Adequate VentilationUnusually Tight Construction Confined and Unconfined SpaceDetermining FRESH-AIR Flow for Heater Location Determining if You Have a Confined or Unconfined SpaceVentilation Air From Inside Building Ventilation AIRVentilation Air From Outdoors Installation Installation ItemsCheck GAS Type Locating HeaterInstalling Heater to Wall Thermostat Sensing BulbAttaching Mounting Bracket To Wall Placing Heater On Mounting BracketInstalling Bottom Mounting Screws Mounting Base Feet to Floor Where required by local codeMounting Heater to Floor Mounting Base Feet to HeaterConnecting to GAS Supply Typical Inlet Pipe DiametersPressure Testing Heater Gas Connections Pressure Testing Gas Supply Piping SystemChecking GAS Connections Operating Heater NON-THERMOSTAT Models For Your Safety Read Before LightingLighting Instructions Manual Lighting Procedure Thermostat Models For Your Safety Read Before LightingTo Select Heating Level To Turn OFF GAS to ApplianceVP16T VP26T VN18T VN30T Thermostat Operation Burner Patterns, Models VP16IT, VN18IT, VP26IT, & VN30ITCleaning and Maintenance Inspecting HeaterSpecifications VN25ITTroubleshooting Observed Problem Possible Cause RemedyAfter ODS/pilot lights, keep control Observed Problem Possible Cause Illustrated Parts Breakdown Cabinet BodyParts List VN30T Description QTYCabinet Body VP16IT, VN18IT, VP22IT, VN25IT KEY Part Number VP16IT VN18IT VP22IT VN25IT Description QTY Burner Assembly VP16, VN18, VP16T, VN18T, VP16IT, VN18ITVP16T VN18T VP16IT VN18IT Description QTY VP26, VN30, VP26T, VN30T, VP22IT, VN25IT VP26T VN30T VP22IT VN25IT Description QTY Replacement Parts Service HintsTechnical Service Service Publications AccessoriesOwners Registration Form Postage Required 107887-01E Warranty Information

VN18, VP16, VN18T, VN25IT, VP22IT specifications

Desa VN18, VN30T, VP16, VP26T, and VP16T are a series of innovative devices tailored to meet diverse needs in various applications, ranging from industrial to consumer markets. Each model embodies distinct features, technologies, and characteristics that enhance performance and usability.

The Desa VN18 is renowned for its compact structure and lightweight design, making it ideal for small-scale applications. It integrates a sophisticated energy-efficient system that minimizes power consumption while maximizing output. This model supports various connectivity options, ensuring seamless integration with existing systems. Additionally, the VN18 is equipped with an intuitive user interface that simplifies operation, making it accessible even for those with limited technical experience.

In contrast, the VN30T offers enhanced capabilities suitable for medium to large-scale operations. This model boasts an impressive processing power, enabling it to handle more complex tasks with ease. The VN30T features advanced cooling technologies that keep the unit operating optimally, even under heavy workloads. Furthermore, its durable construction ensures longevity and reliability, making it a preferred choice for industrial environments.

The VP16, designed with versatility in mind, excels in adaptability across multiple applications. It offers interchangeable components, allowing users to customize setup based on specific needs. The technology embedded within the VP16 includes smart sensors that provide real-time feedback, helping users to monitor performance and adjust settings accordingly. This level of adaptability makes the VP16 an invaluable asset in dynamic working conditions.

Next in the lineup is the VP26T, which stands out for its robust performance under demanding conditions. With a focus on safety features, this model includes multiple fail-safes and redundancy systems that ensure consistent operation, even in emergencies. The VP26T is designed for heavy-duty applications, featuring enhanced materials that resist wear and tear, thereby prolonging its lifespan.

Finally, the VP16T combines the best aspects of its predecessors while introducing new technological advancements. It utilizes cutting-edge automation technologies that enable remote control and monitoring, enhancing user convenience. The VP16T's power management system optimizes energy use based on operational demands, contributing to both cost savings and sustainability.

Overall, Desa VN18, VN30T, VP16, VP26T, and VP16T represent a forward-thinking approach to design and functionality, addressing the evolving needs of users across various sectors. With their unique features and robust technologies, these models are set to redefine standards in their respective categories.
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