Honeywell VS8510, VS8520 User Manual

VS8510,VS8520

OBSOLETE

Millivolt Gas Valve

INSTALLATION INSTRUCTIONS

APPLICATION

The VS8510, VS8520 Millivolt Gas Valve is compact and has a 60,000 Btuh capacity (1 in. pressure drop for straight through configuration). Its design makes it ideal for fireplace and space heating applications.

SPECIFICATIONS

Main Gas Connection:

Pilot Gas Connection and Flow:

Connection Size: 7/16-24 UNS. Flow: 1700 Btuh at 4.0 in. wc pressure drop.

Thermocouple and Pilot Threads:

Ambient Temperature Range:

0°F to 175°F (-18°C to 79°¡C). Option for 225°F (107°C).

Pressure Regulation:

Servo regulator with adjustable outlet pressure. Natural Gas: Typically 3.5 in. wc. LP: Typically 11 in. wc.

Regulator Adjustments:

Natural Gas: 3 in. to 5 in. field adjustable. LP: 8 in. to 12 in. field adjustable.

Vol ta ge:

VS8510: 750 mV operator. VS8520: 750 mV operator, 30 mV thermocouple.

Approvals:

International Approval Services (IAS) Certificate:

C2030022.

European Community (CE) Certificate: Applied for.

Valve: 3/8 in. NPT thread.

Metric and UNS.

INSTALLATION

When Installing this Product...

Read these instructions carefully. Failure to follow

them could damage the product or cause a hazardous condition. Check the ratings given in the instructions and on

the product to make sure the product is suitable for your application. Installer must be a trained, experienced service

technician. After installation is complete, check out product

operation as provided in these instructions.

WARNING

Oxygen depletion hazard. Can cause injury or death due to asphyxiation.

Use only vented gas valve models on vented

appliances. Use only unvented gas valve models on

unvented appliances.

WARNING

Fire or explosion hazard. Can cause property damage, severe injury or death.

Follow these warnings exactly:

Disconnect power supply before wiring to

prevent electrical shock or equipment damage. To avoid dangerous accumulation of fuel gas,

turn off gas supply at the appliance service valve before starting installation, and perform a Gas Leak Test after the installation is complete. Always install the sediment trap in the gas

supply line to prevent contamination of the gas control. Do not force the gas control knob. Use only

your hand to turn the gas control knob. Never use any tools. If the gas control knob does not operate by hand, the gas control should be replaced by a qualified service technician. Force or attempted repair can result in fire or explosion.

69- 1024- 5

VS5810, VS5820 MILLIVOLT GAS VALVE

OBSOLETE

CAUTION

Equipment damage. Can burn out heat anticipator in thermostat.

Never apply a jumper across or short the valve coil terminals.

IMPORTANT

These gas controls are shipped with protective seals over the inlet and outlet tappings. Do not remove the seals until ready to connect the piping.

Follow the appliance manufacturer instructions, if available; otherwise, use these instructions.

Converting Between Natural and LP Gas

WARNING

Fire or explosion hazard. Can cause property damage, severe injury or death.

Do not use a gas control set for natural gas on

an LP gas system or a gas control set for LP gas on a natural gas system. When making a conversion, the main pilot

burner orifices must be changed to meet the appliance manufacturer specifications.

When making a conversion, change main pilot burner orifices to meet the appliance manufacturer specifications. Refer to the appliance manufacturer instructions for orifice specifications and changeover procedure. Gas controls are factory-set for natural (and manufactured) or LP gas. Do not attempt to use a control set for natural (manufactured) gas on LP gas, or a control set for LP on natural (manufactured) gas.

VS8510A and VS8520A gas controls with a standard regulator can be converted from one gas to the other with a conversion kit (ordered separately). Order part no. 395991 to convert from natural (manufactured) to LP gas. Order part no. 395992 to convert from LP to natural (manufactured) gas.

VS8510E and VS8520E gas controls with a Convertible High/Low regulator can be converted from one gas to the other with a conversion kit (ordered separately). Order part no. 396087-1 to convert from LP to natural (manufactured) gas. Order part no. 396087-2 to convert from natural (manufactured) to LP gas.

High/Low regulator models VS8510D and VS8520D cannot be converted.

VS8510R and VS8520R Convertible Pressure Regulators

Gas valves with suffix letter R are convertible pressure regulator models. They can be converted from natural gas to LP or from LP to natural gas without a converter kit.

Before converting the gas valve from one gas to another, check the gas valve label and the appliance manufacturer rating plate to make sure the pressure regulator setting (factory set) meets the appliance manifold requirements after conversion.

NOTE: Convertible pressure regulator models (suffix

R) do not have field-adjustable regulators. The natural gas and LP settings are factory-manufactured.

IMPORTANT

Follow these instructions carefully.

CONVERTING THE GAS VALVE

If the factory pressure regulator setting meets the appliance manifold requirement, convert the gas valve as follows (see Fig. 1):

Remove the black thread protective cap.

Remove the conversion flip cap by turning it counterclockwise .

Invert the conversion flip cap so the bottom of the

letters and associated arrow for the gas type appropriate for the appliance application are face down toward the valve. NAT is for natural gas and LP is for liquid petroleum gas.

Tighten the conversion flip cap by turning it clockwise

, using 10 in. lbs of force.

Replace the black thread protective cap.

PROTECTIVE

NAT

Fig. 1. Converting the gas valve (shown

assembled for natural gas).

NAT

CAP

CONVERSION FLIP CAP

PRESSURE REGULATOR HOUSING

M16521

Location

Locate the combination gas control where it cannot be affected by steam cleaning, high humidity, dripping water, corrosive chemicals, dust or grease accumulation or excessive heat. To assure proper operation, follow these guidelines:

• Locate gas control in a well-ventilated area.

• Mount gas control high enough to avoid exposure to flooding or splashing water.

• Assure the ambient temperature does not exceed the ambient temperature ratings for each component.

• Cover gas control if appliance is cleaned with water, steam, or chemicals or to avoid dust and grease accumulation.

• Avoid locating gas control where exposure to corrosive chemical fumes or dripping water is likely.

69-1024—5 2

VS5810, VS5820 MILLIVOLT GAS VALVE

OBSOLETE

Install Piping to Gas Control

All piping must comply with local codes and ordinances or with the National Fuel Gas code (ANSI Z223.1 NFPA No. 54), whichever applies. Tubing installation must comply with approved standards and practices.

Use new, properly reamed pipe free from chips.

When tubing is used, assure the ends are square, deburred and clean. All tubing bends must be smooth and without deformation. Run pipe or tubing to the control. If tubing is used,

obtain a tube-to-pipe coupling to connect the tubing to the control. Install sediment trap in the supply line to the gas

control. See Fig. 1.

Install Control

Mount control 0 to 90 degrees, in any direction,

from the upright position of the gas control knob, including vertically. Mount the control so gas flow is in the direction of

the arrow on the side of the control. Thread pipe 9/16 in. into the control. Do not insert

deeper than 3/8 in. Valve distortion or malfunction can result if the pipe is inserted too deeply. Apply a moderate amount of good quality pipe

compound (do not use Teflon tape) to pipe only, leaving two end threads bare. On LP installations, use compound resistant to LP gas. See Fig. 2. Remove seals over control inlet and outlet, if

necessary. Connect pipe to control inlet and outlet. Use

wrench on either side of the pipe outlet. Refer to Fig. 3 through 5.

Wiring

Follow the wiring instructions furnished by the appliance manufacturer, if available, or use the general instructions provided below. Where these instructions differ from the appliance manufacturer, follow the appliance manufacturer instructions. For typical wiring diagrams, see Fig. 6 and 7.

All wiring must comply with applicable electrical codes and ordinances.

Disconnect power supply before making wiring connections to prevent electrical shock or equipment damage.

Check the power supply rating on the gas control

and make sure it matches the available supply. Install the transformer, thermostat, and other controls, as required. This valve can only be used in a self-generating

system. Adjust the thermostat heat anticipator to the 0.1A

at 750 mV rating stamped on the valve operator.

OPERATION

The Millivolt Gas Valve System has two different configurations. The first configuration includes a gas valve, quick drop-out thermocouple, thermopile, millivolt thermostat and a pilot burner. In this configuration, the thermopile drives the operator and the quick dropout thermocouple operates the power unit. See Fig. 7. The second configuration includes a gas valve, thermopile, millivolt thermostat, and a pilot burner. The thermopile drives the operator and the power unit. See Fig. 8.

DROP

HORIZONTAL

3 INCHES (76 MM) MINIMUM

HORIZONTAL

ISER

3 INCHES (76 MM) MINIMUM

CAUTION

GAS LEAKAGE HAZARD. FAILURE TO FOLLOW PRECAUTIONS CAN RESULT IN A GAS-FILLED WORK AREA.

SHUT OFF THE MAIN GAS SUPPLY BEFORE REMOVING END CAP. TEST FOR GAS LEAKAGE WHEN INSTALLATION IS COMPLETE.

ALL BENDS IN METALLIC TUBING SHOULD BE SMOOTH.

TWO IMPERFECT THREADS

THREAD PIPE ACCORDING TO INSTALLATION PROCEDURE FOR INSERTION INTO GAS CONTROL.

PIPED GAS SUPPLY

GAS CONTROL

DROP

TUBING

GAS SUPPLY

GAS CONTROL

Fig. 2. Sediment trap installation.

GAS CONTROL

PIPE

APPLY A MODERATE AMOUNT OF PIPE COMPOUND TO PIPE ONLY (LEAVE TWO END THREADS BARE).

RISER

PIPED GAS SUPPLY

3 INCHES (76 MM) MINIMUM

GAS CONTROL

M4603A

M6913

Fig. 3. Use moderate amount of pipe compound.

3 69-1024—5

+ 5 hidden pages