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Honeywell TRADELINE VR8345M User Manual

Universal electronic ignition gas control
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TRADELINE
These universal electronic ignition gas controls are used
in gas-fired appliances with capacities up to 300 cu ft/hour
at 1 inch wc pressure drop [8.5 cu m/hour at 0.25 kPa] for
natural gas. The VR8345M will operate with a direct spark
(DSI), hot surface (HSI) or intermittent pilot ignition. The
control includes a manual valve, two automatic operators, a
pressure regulator, pilot adjustment, pilot plug, conduit
cover and ignition adapter. Refer to the following list for
the VR8345M specifications.
Size
(Inlet x Outlet)
3/4 x 3/4
a
Capacity based on 1000 Btu/cu ft, 0.64 specific gravity natural gas at 1 in. wc pressure drop [37.3 MJ/cu m, 0.64 specific
gravity natural gas at 0.25 kPa pressure drop].
Use conversion factors in Table 2 to convert capacities
for other gases.
TABLE 2—GAS CAPACITY
CONVERSION FACTORS.
Specific
Gas
Gravity
Manufactured
Mixed
Propane
APPROVALS:
American Gas Association Design Certificate: L2025007.
Canadian Gas Association Design Certificate: L2025007.
PIPE ADAPTERS: Includes two 3/4 to 1/2 inch NPT bush-
ings and one 1/2 to 3/8 inch NPT bushing.
CROSS REFERENCE: See Table 3 for cross reference
information.
WHEN INSTALLING THIS PRODUCT...
1. Read these instructions carefully. Failure to follow
them could damage the product or cause a hazardous
condition.
2. Check the ratings given in the instructions and on
the product to make sure the product is suitable for your
application.
®
Electronic Ignition Gas Control
Application
TABLE 1—GAS CAPACITY.
Capacity (at 1 in. wc
a
pressure drop)
300 cu ft/hour
[8.5 cu m/hour]
Multiply Listed
Capacity By
0.60
0.516
0.70
0.765
1.53
Installation
J.H. • Rev. 10-94 • ©Honeywell Inc. 1994 • Form Number 69-0844—1
VR8345M Universal
AMBIENT TEMPERATURE RANGE: -40 to +175 F
[-40 to +79 C].
BODY PATTERN: Straight-through.
REGULATOR TYPE: Standard opening.
INLET X OUTLET SIZE: 3/4 x 3/4 inch.
IGNITION ADAPTER: Configures VR8345M to operate
with direct spark or hot surface ignition.
ELECTRICAL RATINGS:
Voltage and Frequency: 24 Vac, 60 Hz.
Current Draw: 0.7A.
CAPACITY: See Table 1.
Minimum
Regulated Capacity
30 cu ft/hour
0.8 cu m/hour]
3. The installer must be a trained, experienced service
technician.
4. After installation is complete, use these instructions to
check out product operation.
WARNING
FIRE OR EXPLOSION HAZARD
CAN CAUSE PROPERTY DAMAGE,
SEVERE INJURY, OR DEATH
Follow these warnings exactly:
1. Disconnect power supply before wiring to pre-
vent electrical shock or equipment damage.
2. To avoid dangerous accumulation of fuel gas,
turn off gas supply at the appliance service
valve before starting installation, and perform
Gas Leak Test after completion of installation.
3. When working with a system using intermittent
pilot ignition, do not bend pilot tubing at gas
control or pilot burner after compression fitting
has been tightened because gas leakage at the
connection can result.
4. Always install sediment trap in gas supply line
to prevent contamination of gas control.
5. 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 will not operate by
hand, call a qualified service technician to re-
place the gas control. Force or attempted repair
can result in fire or explosion.
1
Maximum
Regulated Capacity
415 cu ft/hour
[11.8 cu m/hour]
69-0844—1

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  Summary of Contents for Honeywell TRADELINE VR8345M

  • Page 1 2. Check the ratings given in the instructions and on the product to make sure the product is suitable for your application. J.H. • Rev. 10-94 • ©Honeywell Inc. 1994 • Form Number 69-0844—1 69-0844—1...
  • Page 2 Regulator setting on replacement valve differs from original. Adjust to rated pressure as necessary for optimum performance. Shipped by Honeywell as LP gas only, may have been converted to natural gas by OEM. Use with 1/8 in. compression fitting, part no. 3934014-1.
  • Page 3 Regulator setting on replacement valve differs from original. Adjust to rated pressure as necessary for optimum performance. Shipped by Honeywell as LP gas only, may have been converted to natural gas by OEM. Use with 1/8 in. compression fitting, part no. 3934014-1.
  • Page 4 Regulator setting on replacement valve differs from original. Adjust to rated pressure as necessary for optimum performance. Shipped by Honeywell as LP gas only, may have been converted to natural gas by OEM. Use with 1/8 in. compression fitting, part no. 3934014-1.
  • Page 5 CAUTION Fig. 1—Use moderate amount of pipe compound. Never apply a jumper across or short the valve coil TWO IMPERFECT terminals. This can burn out the heat anticipator in THREADS GAS CONTROL the thermostat or damage the electronic intermit- tent pilot (IP) module. PIPE IMPORTANT: These gas controls are shipped with pro- THREAD PIPE THE AMOUNT...
  • Page 6 Fig. 3—Top view of gas control. Fig. 2—Install sediment trap. DROP CONVENIENCE PRESSURE REGULATOR PIPED WIRING TERMINALS (2) ADJUSTMENT (UNDER HORIZONTAL TERMINALS (2) CONTROL (OPTIONAL) CAP SCREW) SUPPLY OUTLET INLET PRESSURE PRESSURE TAP RISER CONTROL OUTLET INLET PIPED 3 INCHES SUPPLY [76] PILOT OUTLET...
  • Page 7 3. Square off and remove burrs from end of tubing. 4. Use the compression fitting supplied with this gas Fig. 6—Remove pilot gas seal (plug) and install pilot gas tube for intermittent pilot control. Slip the fitting over the tubing and slide out of the application on VR8345.
  • Page 8 Q354 FLAME TRIAL TIME: 7 SEC SENSOR NUM OF TRIALS: 1 BURNER GROUND QUICK CONNECTS HOT SURFACE VR8345M IGNITER/SENSOR COMBINATION GAS CONTROL LIMIT CONTROLLER HSI WIRE ADAPTER (HOT) THERMOSTAT OR CONTROLLER POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.
  • Page 9: Startup And Checkout

    Fig. 10—VR8345 wiring connections in direct spark ignition system (single rod application). (HOT) S87 CONTROL MODULE ALARM, IF USED DSI WIRE ADAPTER ALARM 24V (GND) VALVE VALVE VR8345 COMBINATION GAS CONTROL QUICK CONNECTS IGNITER-SENSOR AND BURNER GROUND TEMPERATURE CONTROLLER Q347 IGNITER-SENSOR BURNER POWER SUPPLY.
  • Page 10 CHECK AND ADJUST GAS INPUT TO MAIN GAS LEAK TEST BURNER 1. Paint all pipe connections upstream of the gas control with a rich soap and water solution. Bubbles indicate a gas CAUTION leak. 2. If a gas leak is detected, tighten the pipe connection. 1.
  • Page 11: Maintenance

    4. If module has timed ignition, time the length of the contact your Honeywell sales representative to request a igniter operation. See ignition module specifications. gas control with corrosion resistant construction.
  • Page 12: If Main Burner Will Not Come On With Call For Heat

    Home and Building Control Home and Building Control Helping You Control Your World Honeywell Inc. Honeywell Limited—Honeywell Limitée 1985 Douglas Drive North 740 Ellesmere Road Golden Valley, MN 55422 Scarborough, Ontario M1P 2V9 QUALITY IS KEY 69-0844—1...