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Honeywell VR8305 User Manual

Direct ignition combination gas control.
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These direct ignition combination gas controls are used
in gas-fired appliances with capacities up to 300 feet 3 /hour
at 1 inch wc pressure drop [8.5 meters 3 /hour at 0.25 kPa]
on natural gas. They include a manual valve, two automatic
operators, and a pressure regulator. See Table 1 for tem-
perature ranges and regulator types.
VR8305 set up for natural gas includes a 393691 LP
Conversion Kit. The kit contains a cap screw, a pressure
regulator adjustment screw, a tapered spring and a conver-
sion label.
CAPACITY:
Size
(Inlet x Outlet)
1/2 x 1/2
1/2 x 3/4
3/4 x 3/4
a
Capacity based on 1000 Btu/feet
specific gravity natural gas at 0.25 kPa pressure drop].
Use conversion factors in Table 3 to convert capacities for
other gasses.
TABLE 1—TEMPERATURE RANGES AND
REGULATOR TYPES.
Ambient
Model
Temperature
Number
Range
VR8305H
0° F to 175° F
[-18° C to +79° C]
VR8305K
-40° F to 175° F
[-40° C to +79° C]
VR8305M
-40° F to 175° F
[-40° C to +79° C]
VR8305P
-40° F to 175° F
[-40° C to +79° C]
APPROVALS:
American Gas Association design certificate:
UP-70-69A.
Canadian Gas Association design certificate:
UP-70-69A.
Australian Gas Association design certificate:
Applied for.
Delta C: P-70-42A19
Combination Gas Control
Application
Capacity (at 1 inch
a
wc pressure drop
)
3
240 feet
/hour
3
[6.8 meter
/hour]
3
270 feet
/hour
3
[7.6 meter
/hour]
3
300 feet
/hour
3
[8.5 meter
/hour]
3
, 0.64 specific gravity natural gas at 1 inch wc pressure drop [37.3 MJ/meter
Regulator
Type
Slow-opening
Slow-opening
Standard-opening
Step-opening
G.G. • Rev. 10-91 • © Honeywell Inc. 1991 • Form Number 69-0626—2
Direct Ignition
BODY PATTERN: Straight-through body pattern.
INLET X OUTLET SIZES AVAILABLE: 1/2 x 1/2 inch,
1/2 x 3/4 inch, and 3/4 x 3/4 inch (factory-installed inlet
flange).
ADAPTERS: Adapters available for 1/2 and 3/4 inch
straight and angle connections. Refer to Table 2.
ELECTRICAL RATINGS:
VOLTAGE AND FREQUENCY: 24 Vac, 60 Hz.
THERMOSTAT HEAT ANTICIPATOR SETTING:
0.7A.
CURRENT DRAW: 0.70A.
Minimum
Regulated Capacity
3
30 feet
/hour
3
[0.8 meter
/hour]
3
30 feet
/hour
3
[0.8 meter
/hour]
3
30 feet
/hour
3
0.8 meter
/hour]
TABLE 2—FLANGE PART NUMBERS.
Inlet/
Outlet
Flange
Pipe Size
Type
1/2 inch NPT
Straight
Elbow
3/4 inch NPT
Straight
Elbow
NOTE: Flange Kits include one flange with attached O-
ring and four mounting screws.
TABLE 3—GAS CAPACITY
CONVERSION FACTORS.
Gas
Manufactured
Mixed
Propane
Honeywell
VR8305
Maximum
Regulated Capacity
3
340 feet
/hour
3
[9.6 meter
/hour]
3
370 feet
/hour
3
[10.5 meter
/hour]
3
415 feet
/hour
3
[11.8 meter
/hour]
Part Number
Without
Hex
Wrench
393690-6
393690-16
393690-3
393690-13
393690-4
393690-14
393690-5
393690-15
Specific
Multiply Listed
Gravity
Capacity By
0.60
0.516
0.70
0.765
1.53
1.62
3
, 0.64
With
Hex
Wrench

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   Summary of Contents for Honeywell VR8305

  • Page 1 0.70 0.765 American Gas Association design certificate: Propane 1.53 1.62 UP-70-69A. Canadian Gas Association design certificate: UP-70-69A. Australian Gas Association design certificate: Applied for. Delta C: P-70-42A19 G.G. • Rev. 10-91 • © Honeywell Inc. 1991 • Form Number 69-0626—2...
  • Page 2 MUST be changed to meet appliance manufacturer specifications. WARNING VR8305 gas controls can be converted from one gas to FIRE OR EXPLOSION HAZARD another. To convert from natural gas to LP, use the 393691 CAN CAUSE PROPERTY DAMAGE,...
  • Page 3 Fig. 2—Installation of conversion kit in regulated Fig. 3—Install flange to gas control. gas control. COLOR CODE FOR NATRUAL CAP SCREW BLACK SILVER PRESSURE REGULATOR WHITE WHITE ADJUSTING SCREW STAINLESS SPRING STEEL 9/64 INCH HEX SCREWS (4) PRESSURE REGULATOR HOUSING GAS CONTROL OUTLET FLANGE DO NOT OVERTIGHTEN SCREWS.
  • Page 4 Install Gas Control 3. Thread pipe the amount shown in Table 4 for inser- 1. This gas control can be mounted 0-90 degrees, in any tion into the gas control. DO NOT THREAD PIPE TOO direction, including vertically, from the upright position of FAR.
  • Page 5 ALTERNATE LIMIT CONTROLLER LOCATION. MAXIMUM IGNITER-SENSOR CABLE LENGTH: 3 ft. [.9 m] OR LESS. 3 A REPLACEABLE FUSE. ALARM TERMINAL PROVIDED ON SOME MODELS. M9043 Fig. 8—VR8305 Wiring Connections in S89C Direct Ignition System. VR8305 COMBINATION GAS CONTROL S89/S890 HOT SURFACE...
  • Page 6 Start-Up and Checkout CHECK AND ADJUST GAS INPUT TO MAIN BURNER WARNING CAUTION FIRE OR EXPLOSION HAZARD 1. Do not exceed the input rating stamped on the CAN CAUSE PROPERTY DAMAGE, appliance nameplate, or manufacturer recom- SEVERE INJURY, OR DEATH mended burner orifice pressure for the size 1.
  • Page 7 TABLE 5—PRESSURE REGULATOR SPECIFICATION PRESSURES IN INCHES WC. Outlet Pressure Nominal Factory Nominal Inlet Setting Setting Range Type of Pressure Full Full Model Range Step Rate Step Rate Standard-, Natural 5.0 - 7.0 — — 3.0 - 5.0 Slow-opening 12.0 - 14.0 —...
  • Page 8 Maintenance Service WARNING WARNING FIRE OR EXPLOSION HAZARD FIRE OR EXPLOSION HAZARD CAN CAUSE PROPERTY DAMAGE, CAN CAUSE PROPERTY DAMAGE, SEVERE INJURY, OR DEATH SEVERE, INJURY, OR DEATH Improper cleaning or reassembly may cause gas Do not disassemble the gas control; it contains no leakage.
  • Page 9 INSTRUCTIONS TO THE HOMEOWNER IMPORTANT: Follow the operating instructions pro- FOR YOUR SAFETY, READ BEFORE vided by the manufacturer of your heating appliance. The OPERATING information below will be of assistance in a typical control application, but the specific controls used and the proce- dures outlined by the manufacturer of your appliance may WARNING differ, requiring special instructions.
  • Page 11 69-0626—2...
  • Page 12 Residential and Residential and Helping You Control Your World Building Controls Division Building Controls Division Honeywell Inc. Honeywell Limited—Honeywell Limitée 1985 Douglas Drive North 740 Ellesmere Road Golden Valley, Minnesota 55422 Scarborough, Ontario QUALITY IS KEY M1P 2V9...

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