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Sterling QVF 100 - User Manual

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INSTALLATION INSTRUCTIONS & PARTS LIST
STERLING GAS FIRED PROPELLER UNIT HEATERS
(S) IIPLM-20
J30-05367
Model No.
Serial No.
FOR YOUR SAFETY
The use and storage of gasoline or other ß ammable vapors and liquids in open containers in
the vicinity of this appliance is hazardous.
FOR YOUR SAFETY
If you smell gas
:
1
. Open
w
indo
w
s.
2. Don
Õ
t touch electrical s
w
itches.
3. E
x
tinguish any open ß ame.
4
. Immediately call your gas supplier.
ATTENTION: READ THIS MANUAL AND ALL LABELS ATTACHED TO THE UNIT CAREFULLY BEFORE
ATTEMPTING TO INSTALL, OPERATE OR SERVICE THESE UNITS! CHECK UNIT DATA PLATE FOR TYPE OF
GAS AND ELECTRICAL SPECIFICATIONS AND MAKE CERTAIN THAT THESE AGREE WITH THOSE AT POINT OF
INSTALLATION. RECORD THE UNIT MODEL AND SERIAL No.(s) IN THE SPACE PROVIDED. RETAIN FOR FUTURE
REFERENCE.
INSTALLER'S RESPONSIBILITY
Installer Please Note:
This equipment has been test fired and inspected. It has been
shipped free from defects from our factory. Ho
w
ever
,
during shipment and installation
,
problems such as loose
w
ires
,
lea
k
s or loose fasteners may occur.
It is the installer's
responsibility to inspect and correct any problems that may be found.
Install, operate and maintain unit in accordance with manufacturer's
instructions to avoid exposure to fuel substances or substances from incomplete
combustion which can cause death or serious illness. The state of California
has determined that these substances may cause cancer, birth defects, or other
reproductive harm.
Improper installation, adjustment, alteration, service or maintenance
can cause property damage, injury or death. Read the installation, operating and
maintenance instructions thoroughly before installing or servicing this equipment.
APPROVED FOR USE IN CALIFORNIA WHEN EQUIPPED WITH SPARK IGNITION.
RECEIVING INSTRUCTIONS
Inspect shipment immediately
w
hen
received to determine if any damage
has occurred to the unit during
shipment. After the unit has been
uncrated
,
chec
k
for any visible
damage to the unit. If any damage
is found
,
the consignee should sign
the bill of lading indicating such
damage and immediately file claim
for damage
w
ith the transportation
company.
260 NORTH ELM ST.
,
W
ESTFIELD
,
MA 0
1
0
8
5
TEL
:
(
41
3) 56
4
-55
4
0 FA
X
:
(
41
3) 562-53
11
www
.sterlinghvac.com
MODELS
:
QV
F (30
,
4
5
,
60
,
75
,
1
00
,
1
25
,
1
50
,
1
75
,
200
,
225
,
250
,
300
,
350
,
4
00) (S
,
M)
1
0
/
07
HVAC PRODUCTS
Question and Answer IconNeed help?

Do you have a question about the Sterling QVF 100 and is the answer not in the manual?

Summary

Sterling Gas Fired Propeller Unit Heaters Installation Guide

General Safety and Installer Responsibility

Key safety warnings and installer's responsibilities before and during installation.

Receiving and Inspection Procedures

Instructions for inspecting the unit for damage upon arrival.

Unit Overview and Hazard Definitions

Propeller Unit Heater Description

Description of the gas unit heater and its CSA certification.

Hazard Symbol Explanations

Explains DANGER, WARNING, CAUTION, and NOTICE symbols used in the manual.

General Safety Information and Compliance

Code Compliance & Fuel Safety

Adherence to national and local codes, fuel type, and electrical grounding.

Electrical & Operational Safety

Warnings on power disconnection, tampering, and hazardous locations.

Installation Procedures and Location Guidelines

Location Requirements for Specific Areas

Guidelines for installing unit heaters in aircraft hangars and public garages.

Air Distribution and Heat Throw

Directing airflow and understanding heat throw distances for optimal performance.

Installation Details, Clearances, and Mounting

Mounting Safety & Structure

Ensuring secure mounting and structural integrity for the unit heater.

Clearances & Air for Combustion

Specifies minimum clearances from walls, ceilings, and combustible materials.

Gas Supply Piping Sizing and Requirements

Pipe Sizing Calculations

How to determine the correct gas pipe size based on input and length.

Propane Gas Installation

Special instructions for installing units with propane gas.

Pipe Installation Standards and Safety

Piping Connections & Support

Proper methods for connecting gas piping, including unions and drip legs.

Leak & Pressure Testing

Critical safety measures for leak and pressure testing gas piping systems.

Venting Requirements and Safety

Carbon Monoxide & Vent Blockage

Dangers of carbon monoxide and importance of clear venting.

Venting Installation Guidelines

Specific instructions for vertical runs, slope, elbows, and insulation.

Electrical Connections and Thermostat Setup

Electrical Safety and Grounding

Critical safety warnings for electrical work and proper grounding.

Thermostat Location & Wiring

Guidelines for optimal thermostat placement and wiring connections.

Heat Anticipator & Fan Delay

Adjusting heat anticipator and understanding fan time delay controls.

Operation with Standing Pilot Ignition

Controls and Functions Explained

Details on gas control valves, limit switches, fan switches, and thermostats.

Pilot Lighting and Start-Up

Step-by-step guide for safely lighting the pilot and starting the unit.

Standing Pilot Components Identification

Burner Drawer Parts

Identifies common parts found in the burner drawer assembly.

Standing Pilot Controls

Lists and identifies safety devices and gas control components.

Operation with Intermittent Pilot Ignition

Spark Ignition Controls

Explains functions of the dual gas valve and electric ignition device.

Start-Up for Spark Ignition

Step-by-step guide for safely starting the unit with spark ignition.

Intermittent Pilot Ignition Components

Burner Drawer Parts (Spark)

Lists common parts for the burner drawer in spark ignition systems.

Controls for Spark Ignition

Identifies controls specific to the intermittent pilot ignition system.

Gas Input Rate and Primary Air Adjustment

Gas Input Rate Calculation

How to check and adjust the gas input rate for optimal performance.

Primary Air Shutter Adjustment

Adjusting the primary air shutter for correct flame appearance.

Maintenance and Periodic Service

Periodic Service & Safety Checks

Safety warnings and procedures for periodic checks of gas valves and connections.

Burner;Heat Exchanger Cleaning

Instructions for cleaning burners, heat exchanger, and fan section.

Motor Lubrication

Recommendations for oiling the fan motor based on duty cycle.

Identification of Unit Parts

Propeller Unit Components

Identifies motor, fan guard, fan blade, and hardware.

Internal Furnace & Burner Components

Details heat exchanger, draft diverter, burner drawer, and burner assembly parts.

Troubleshooting Guide: Flame and Ignition Issues

Flame Lifting & Backfiring

Diagnosing and correcting flame lifting, backfiring, and noisy flames.

Yellow Flame & Combustion Air

Addressing yellow tipping flames, floating flames, and gas odors.

Troubleshooting Guide: Operation and Pilot Issues

Condensation & Burner Control

Resolving water condensation, burners not turning off, and rapid cycling.

Pilot Ignition & Noisy Operation

Troubleshooting noisy operation, pilot issues, and fan motor problems.

Troubleshooting Guide: Fan and Heat Output

Fan Operation & Control

Diagnosing fan not running, cycling, or stopping issues.

Heat Output Problems

Addressing low heat output, too much heat, and cold air delivery.

Troubleshooting Guide: Airflow and Safety Trips

Airflow, Spark & Pilot Issues

Resolving cold air delivery, no spark, and pilot light problems.

Hi-Limit & Overfiring

Diagnosing hi-limit switch tripping and unit overfiring.

Replacement Parts and Limited Warranty

Ordering Replacement Parts

Information required for ordering replacement parts from the manufacturer.

Understanding the Limited Warranty

Details of the product's limited warranty, exclusions, and conditions.

Gas Equipment Start-Up Checklist

Pre-Inspection and General Checks

Pre-start-up checks with power and gas off, and general system checks.

Gas Heating and Blower Checks

Checks performed with power and gas on, including ignition and blower function.

Summary

Sterling Gas Fired Propeller Unit Heaters Installation Guide

General Safety and Installer Responsibility

Key safety warnings and installer's responsibilities before and during installation.

Receiving and Inspection Procedures

Instructions for inspecting the unit for damage upon arrival.

Unit Overview and Hazard Definitions

Propeller Unit Heater Description

Description of the gas unit heater and its CSA certification.

Hazard Symbol Explanations

Explains DANGER, WARNING, CAUTION, and NOTICE symbols used in the manual.

General Safety Information and Compliance

Code Compliance & Fuel Safety

Adherence to national and local codes, fuel type, and electrical grounding.

Electrical & Operational Safety

Warnings on power disconnection, tampering, and hazardous locations.

Installation Procedures and Location Guidelines

Location Requirements for Specific Areas

Guidelines for installing unit heaters in aircraft hangars and public garages.

Air Distribution and Heat Throw

Directing airflow and understanding heat throw distances for optimal performance.

Installation Details, Clearances, and Mounting

Mounting Safety & Structure

Ensuring secure mounting and structural integrity for the unit heater.

Clearances & Air for Combustion

Specifies minimum clearances from walls, ceilings, and combustible materials.

Gas Supply Piping Sizing and Requirements

Pipe Sizing Calculations

How to determine the correct gas pipe size based on input and length.

Propane Gas Installation

Special instructions for installing units with propane gas.

Pipe Installation Standards and Safety

Piping Connections & Support

Proper methods for connecting gas piping, including unions and drip legs.

Leak & Pressure Testing

Critical safety measures for leak and pressure testing gas piping systems.

Venting Requirements and Safety

Carbon Monoxide & Vent Blockage

Dangers of carbon monoxide and importance of clear venting.

Venting Installation Guidelines

Specific instructions for vertical runs, slope, elbows, and insulation.

Electrical Connections and Thermostat Setup

Electrical Safety and Grounding

Critical safety warnings for electrical work and proper grounding.

Thermostat Location & Wiring

Guidelines for optimal thermostat placement and wiring connections.

Heat Anticipator & Fan Delay

Adjusting heat anticipator and understanding fan time delay controls.

Operation with Standing Pilot Ignition

Controls and Functions Explained

Details on gas control valves, limit switches, fan switches, and thermostats.

Pilot Lighting and Start-Up

Step-by-step guide for safely lighting the pilot and starting the unit.

Standing Pilot Components Identification

Burner Drawer Parts

Identifies common parts found in the burner drawer assembly.

Standing Pilot Controls

Lists and identifies safety devices and gas control components.

Operation with Intermittent Pilot Ignition

Spark Ignition Controls

Explains functions of the dual gas valve and electric ignition device.

Start-Up for Spark Ignition

Step-by-step guide for safely starting the unit with spark ignition.

Intermittent Pilot Ignition Components

Burner Drawer Parts (Spark)

Lists common parts for the burner drawer in spark ignition systems.

Controls for Spark Ignition

Identifies controls specific to the intermittent pilot ignition system.

Gas Input Rate and Primary Air Adjustment

Gas Input Rate Calculation

How to check and adjust the gas input rate for optimal performance.

Primary Air Shutter Adjustment

Adjusting the primary air shutter for correct flame appearance.

Maintenance and Periodic Service

Periodic Service & Safety Checks

Safety warnings and procedures for periodic checks of gas valves and connections.

Burner;Heat Exchanger Cleaning

Instructions for cleaning burners, heat exchanger, and fan section.

Motor Lubrication

Recommendations for oiling the fan motor based on duty cycle.

Identification of Unit Parts

Propeller Unit Components

Identifies motor, fan guard, fan blade, and hardware.

Internal Furnace & Burner Components

Details heat exchanger, draft diverter, burner drawer, and burner assembly parts.

Troubleshooting Guide: Flame and Ignition Issues

Flame Lifting & Backfiring

Diagnosing and correcting flame lifting, backfiring, and noisy flames.

Yellow Flame & Combustion Air

Addressing yellow tipping flames, floating flames, and gas odors.

Troubleshooting Guide: Operation and Pilot Issues

Condensation & Burner Control

Resolving water condensation, burners not turning off, and rapid cycling.

Pilot Ignition & Noisy Operation

Troubleshooting noisy operation, pilot issues, and fan motor problems.

Troubleshooting Guide: Fan and Heat Output

Fan Operation & Control

Diagnosing fan not running, cycling, or stopping issues.

Heat Output Problems

Addressing low heat output, too much heat, and cold air delivery.

Troubleshooting Guide: Airflow and Safety Trips

Airflow, Spark & Pilot Issues

Resolving cold air delivery, no spark, and pilot light problems.

Hi-Limit & Overfiring

Diagnosing hi-limit switch tripping and unit overfiring.

Replacement Parts and Limited Warranty

Ordering Replacement Parts

Information required for ordering replacement parts from the manufacturer.

Understanding the Limited Warranty

Details of the product's limited warranty, exclusions, and conditions.

Gas Equipment Start-Up Checklist

Pre-Inspection and General Checks

Pre-start-up checks with power and gas off, and general system checks.

Gas Heating and Blower Checks

Checks performed with power and gas on, including ignition and blower function.

Sterling QVF 100 Specifications

General IconGeneral
CategoryGas Heater
Heat Output100, 000 BTU
Fuel TypeNatural Gas / Propane
Efficiency80%
Ignition TypeElectronic
ModelQVF 100

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