Instructions / Assembly

VR8245 AND VR8345 UNIVERSAL ELECTRONIC IGNITION GAS CONTROLS
69-2013—02 12
MAINTENANCE
WARNING
FIRE OR EXPLOSION HAZARD
CAN CAUSE PROPERTY DAMAGE, SEVERE
INJURY, OR DEATH
Improper cleaning or reassembly can cause gas
leakage. When cleaning, be sure that the control
is reassembled properly and perform gas leak
test.
Regular preventive maintenance is important in
applications such as commercial cooking, agricultural and
industrial operations that place a heavy load on system
controls because:
• In many such applications, particularly commercial
cooking, the equipment operates 100,000 to 200,000
cycles per year. Such heavy cycling can wear out the
gas control in one to two years.
• Exposure to water, dirt, chemicals and heat can
damage the gas control and shut down the control
system.
The maintenance program should include regular
checkout of the gas control; see Startup and Checkout
section. To check out the control system, see the
appliance manufacturer literature. Maintenance frequency
must be determined individually for each application.
Some considerations are:
• Cycling frequency. Appliances that may cycle 100,000
times annually should be checked monthly.
• Intermittent use. Appliances that are used seasonally
should be checked before shutdown and again before
the next use.
• Consequence of unexpected shutdown. Where the
cost of an unexpected shutdown would be high, the
system should be checked more often.
• Dusty, wet, or corrosive environment. Since these
environments can cause the gas control to deteriorate
more rapidly, the system should be checked more
often.
NOTE: If the gas control will be exposed to high
ammonia conditions, e.g., those used in
greenhouses or animal barns, contact your
Honeywell sales representative to request a
gas control with corrosion resistant con-
struction.
The gas control should be replaced if:
• It does not perform properly during checkout or
troubleshooting.
• The gas control knob is hard to turn or push down.
• The gas control is likely to have operated for more than
200,000 cycles.
SERVICE
WARNING
FIRE OR EXPLOSION HAZARD
CAN CAUSE PROPERTY DAMAGE, SEVERE
INJURY OR DEATH
Do not disassemble the gas control; it contains no
replaceable components. Attempted disassembly
or repair can damage the gas control.
CAUTION
Do not apply a jumper across or short the
valve coil terminals. Doing so can burn out the
heat anticipator in the thermostat or damage
the ignition module.
If Main Burner Will Not Come On With
Call For Heat
1. Make sure the gas control knob is in the ON posi-
tion.
2. Adjust thermostat several degrees above room tem-
perature.
3. Using an ac voltmeter, check for voltage at gas
control.
• Intermittent Pilot Ignition—If pilot lights, mea-
sure voltage across MV/PV and MV. If pilot does
not light, measure across MV/PV and PV before
safety lockout occurs.
• Hot Surface or Direct Spark Ignition—Measure
voltage across MV terminals at gas control.
4. If voltage is not present, check control circuit for
pro-per operation.
5. If proper control circuit voltage is present, replace
gas control.
Instructions To The Homeowner
(For Your Safety, Read Before
Operating)
WARNING
FIRE OR EXPLOSION HAZARD
CAN CAUSE PROPERTY DAMAGE, SEVERE
INJURY, OR DEATH
Follow these warnings exactly:
1. Pilot/main burner flame is lit automatically. Do
not light the pilot/main burner flame manually.
2. Before lighting appliance, smell around the
appliance for gas. Be sure to smell next to the
floor because LP gas is heavier than air.
3. IF YOU SMELL GAS:
• Turn off the gas supply at the appliance
service valve. On LP gas systems, turn off
gas supply at the gas tank.
• Do not light any appliances in the house.
• Do not touch electrical switches or use
phone.
• Leave the building and use a neighbor’s
phone to call your gas supplier.
• If you cannot reach your gas supplier, call the
fire department.
4. Do not force the gas control knob. Use only
your hand to push down or 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 replace the gas control.
Force or attempted repair can result in a fire or
explosion.
5. Call a qualified service technician to replace the
gas control if it has been flooded with water.
6. Call a qualified service technician to replace the
gas control in the event of any physical
damage, tampering, bent terminals, missing or
broken parts, stripped threads, or evidence of
exposure to heat.