Sterling QVEF100 Installation & Parts Manual

Power vented gas fired propeller unit heaters

Hide thumbs

Table Of Contents

POWER VENTED GAS FIRED PROPELLER UNIT HEATERS

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.

Model No.

The use and storage of gasoline or other ﬂ ammable vapors and liquids in open containers in

the vicinity of this appliance is hazardous.

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.

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.

Installer Please Note: This equipment has been test fired and inspected. It has been

shipped free from defects from our factory. However, during shipment and installation,

problems such as loose wires, leaks or loose fasteners may occur. It is the installer's

responsibility to inspect and correct any problems that may be found.

RECEIVING INSTRUCTIONS

Inspect shipment immediately when

received to determine if any damage

has occurred to the unit during

shipment. After the unit has been

uncrated, check 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 with the transpor tation

company.

2/11

INSTALLATION INSTRUCTIONS & PARTS LIST

If you smell gas:

1. Open windows.

2. Don't touch electrical switches.

3. Extinguish any open ﬂ ame.

4. Immediately call your gas supplier.

APPROVED FOR USE IN CALIFORNIA

Install, operate and maintain unit in accordance with manufacturer's

INSTALLER'S RESPONSIBILITY

Serial No.

FOR YOUR SAFETY

260 NORTH ELM ST., WESTFIELD, MA 01085

TEL: (413) 564-5540

www.sterlinghvac.com

MODELS: QVEF (100, 125, 150, 175, 200, 225,

250, 300, 350, 400) (S,M)

(S) IIEP-15

J30-05368

ENERGY

PERFORMANCE

VERIFIED

RENDEMENT

ENERGETIQUE

VERIFIE

HVAC PRODUCTS

FAX: (413) 562-5311

Table of Contents

Need help?

Do you have a question about the QVEF100 and is the answer not in the manual?

Questions and answers

Summary of Contents for Sterling QVEF100

Page 1 (S) IIEP-15 J30-05368 INSTALLATION INSTRUCTIONS & PARTS LIST POWER VENTED GAS FIRED PROPELLER UNIT HEATERS 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.
Page 2: Table Of Contents
TABLE OF CONTENTS SPECIFICATIONS ELECTRICAL CONNECTIONS ........9 Basic Description ............ 2 VENTING ..........10, 11, 12, 13 Performance & Speciﬁ cation Data ......4 OPERATION GENERAL SAFETY INFORMATION Spark Ignition ..........14, 15 Installation Codes (thoughout manual) ....2, 3 Main Burner Oriﬁ...
Page 3: General Safety Information
GENERAL SAFETY INFORMATION Use only the fuel for which the heater is designed (see Failure to comply with the general safety information may result in extensive rating plate). Using LP gas in a heater that requires property damage, severe personal injury or death. natural gas, or vice versa, will create the risk of gas leaks, carbon monoxide poisoning and explosion.
Page 4 Table 1 – Performance and Speciﬁ cation Data – Power Vented Propeller Unit Heater Unit Size PERFORMANCE DATA ‡ Input BTU/Hr 100,000 125,000 150,000 175,000 200,000 225,000 250,000 300,000 350,000 400,000 (kW) (29.3) (36.6) (43.9) (51.2) (58.6) (65.9) (73.2) (87.8) (102.5) (117.1) Output BTU/Hr...
Page 5: Installation
INSTALLATION Do not install unit heaters in feet (2.4m) above the ﬂ oor in shops, ofﬁ ces and other corrosive or ﬂ ammable atmospheres! Premature sections of the hangar where aircraft are not stored or failure of, or severe damage to the unit will housed.
Page 6 INSTALLATION (continued) Unit heaters should not be installed to maintain low Make certain that the lifting methods used to lift the heater and the method temperatures and/or freeze protection of buildings. A minimum of 50°F (10°C) thermostat setting must of suspension used in the ﬁ eld installation of the heater are capable of uniformly supporting the be maintained.
Page 7: Gas Supply Piping
GAS SUPPLY PIPING To avoid equipment damage or possible personal injury, do not connect gas piping to this unit until a supply line pressure/leak test has been completed. Connecting the unit before completing the pressure/leak test may damage the unit gas valve and result in a ﬁ re hazard. Do not rely on a shut off valve to isolate the unit while conducting gas pressure/leak tests.
Page 8: Pipe Installation
PIPE INSTALLATION 1. Install the gas piping in accordance with Figure 4 - Pipe Installation, Standard Controls applicable local codes. 2. Check gas supply pressure. Each unit heater must be connected to a manifold pressure and a gas supply capable of supplying its full rated capacity (refer to Table 4).
Page 9: Electrical Connections
ELECTRICAL CONNECTIONS * Thermostat wires tagged “W” and “G” must be connected together except when using a general purpose "SPDT" HAZARDOUS VOLTAGE! 24VAC relay and a standard thermostat with subbase, disconnect ALL ELECTRIC or when using Honeywell T834H-1009 or T834H-1017 POWER INCLUDING REMOTE thermostats.
Page 10 VENTING FOR POWER VENTED (CATEGORY III) UNIT HEATERS The venting system for these appliances shall terminate All unit heaters must be vented! All venting installations shall be in accordance with the latest edition of Part 7, at least four feet (1.2m) below, four feet (1.2m) horizontal from, or one foot (0.3m) above any door, window, or venting of Equipment of the National Fuel Gas Code, ANSI Z223.1, or applicable provisions of local building...
Page 11: Venting
VENTING (continued) Use single wall pipe constructed of 26 gauge galvanized Insulate single wall vent pipe exposed to cold air or steel or material of equivalent durability and corrosion running through unheated areas. resistance for the vent system. For installation in Canada, use pipe constructed from 0.025 inch thick aluminum or Each unit must have an individual vent pipe and 0.018 inch thick stainless steel.
Page 12 VENTING (continued) Figure 10A Figure 10B...
Page 13 VENTING (continued) Figure 10C Figure 10D...
Page 14: Operation
OPERATION POWER VENTED PROPELLER UNITS INTERMITTENT (SPARK) PILOT IGNITION EXPLANATION OF CONTROLS (See Figure 11): START-UP (Also refer to lighting instruction plate 1. The unit heater is equipped with a power venter equipped on the unit) system consisting of a power venter motor and 1.
Page 15 Figure 11 - Burner Components — Intermittent Pilot Ignition Also refer to Figures 1A, 4, 14, 15 & 16 for component locations. BURNER DRAWER COMMON PARTS: Main Burners Burner Manifold Air Shutters Burner Springs Main Burner Oriﬁ ce Transformer Pilot Tubing CONTROLS: 8A.) Main Gas Valve (Honeywell) 8B.) Main Gas Valve (White Rodgers)
Page 16: Main Burner Oriﬁ Ce Schedule
GAS INPUT RATE Table 5 - Main Burner Oriﬁ ce Schedule* Check the gas input rate as follows (Refer to general TYPE OF GAS NATURAL PROPANE safety section for metric conversions/SI units): 1075 BTU/Ft 2500 BTU/Ft HEATING VALUE INPUT (40.1 MJ/m (93.1 MJ/m Never overfire the unit heater, NO.
Page 17 MANIFOLD PRESSURE ADJUSTMENT PILOT ADJUSTMENT If the manifold pressure requires minor adjustment, 1. Remove the pilot adjustment cap. remove the cap from the pressure regulator and turn the 2. Adjust the pilot screw to provide a properly sized adjustment screw clockwise to increase the pressure, ﬂ...
Page 18 Table 6 - Power Vented Propellers Troubleshooting Guide SYMPTOMS POSSIBLE CAUSE(S) CORRECTIVE ACTION 1. Pressure regulator set too high. A. Flame lifting from burner 1. Reset manifold pressure. Refer to ports. “Operation”. 2. Defective Regulator. 2. Replace regulator section of combin- ation gas valve or complete valve.
Page 19 Power Vented Propellers Troubleshooting Guide SYMPTOMS POSSIBLE CAUSE(S) CORRECTIVE ACTION (H. continued) 7. Defective thermostat. 7. Check thermostat and replace if defective. 8. Defective transformer. 8. Be sure 115 volts is supplied to the transformer primary, then check for 24 volts at secondary terminal before replacing.
Page 20 Power Vented Propellers Troubleshooting Guide SYMPTOMS POSSIBLE CAUSE(S) CORRECTIVE ACTION O. Fan will not run. 1. Loose wiring. 1. Check and tighten all wiring connections per diagrams. Thermostat wires tagged “W” and “G” must be connected together (unless special thermostats are used; if so, see thermostat wiring diagram).
Page 21 Power Vented Propellers Troubleshooting Guide SYMPTOMS POSSIBLE CAUSE(S) CORRECTIVE ACTION W. Spark present but pilot does 1. Loose S8600 connections. 1. Check all connections, term. not light. PV feeds 24V to pilot valve. 2. Check pressure — pressure that is 2.
Page 22 IDENTIFICATION OF PARTS PROPELLER UNIT HEATERS Figure 14 Figure 13 Propeller Parts Components Parts (Bottom View) 115/1/60 MOTOR FAN GUARD FAN BLADE HARDWARE Fan Blade Fan Guard Motor Hardware Hardware D4430 Figure 15 Figure 16 Burner Assy' Parts Internal Furnace Components 1.
Page 23 Figure 17 - Power Venter Assembly REF. REF. DESCRIPTION DESCRIPTION Blower Housing Assembly Drill Screw Speed Nut Junction Box Cover Motor Snap Bushing Washer, Plain Relay (Motor) Plate Adapter Draftor Stack Assembly Blower Wheel* Tubing (Aluminum) Formation Mounting Bracket (Pressure Switch) Male Connector Mounting Bracket (Junction Box) Locknut...
Page 24 INSTALLATION INSTRUCTIONS FOR FIELD REPLACEMENT OF POWER VENTER MOTOR Never service any component without first disconnecting all electrical and gas supplies. Refer to unit’s wiring diagram. This replacement must be performed only by a qualiﬁ ed technician. NOTICE: All hardware (screws, nuts, washers) that will be removed from the unit will be reused for this motor replacement.
Page 25: Warranty
HOW TO ORDER REPLACEMENT PARTS Please send the following information to your local representative. If further assistance is needed, contact the manufacturer's customer service department. • Model number • Serial Number (if any) • Part description and Number as shown in the Replacement Parts Catalog. LIMITED WARRANTY POWER VENTED PROPELLER UNIT HEATERS The “Manufacturer”...
Page 26 NOTES:...
Page 27 GAS EQUIPMENT START-UP Customer ____________________________________ Job Name & Number _________________________ PRE-INSPECTION INFORMATION With power and gas off. Type of Equip: Unit Heater Serial Number _________________________ Model Number __________________________ Name Plate Voltage: _____________ Name Plate Amperage: _____________ Type of Gas: Natural Tank Capacity _______ lbs.

This manual is also suitable for:

Qvef150 Qvef175 Qvef125 Qvef200 Qvef225 Qvef250 ... Show all

Sterling QVEF100 Installation & Parts Manual

Table of Contents

Need help?

Questions and answers

Related Manuals for Sterling QVEF100

Summary of Contents for Sterling QVEF100

This manual is also suitable for:

Table of Contents