Honeywell VR8304 user manual

User manual for the device Honeywell VR8304

Device: Honeywell VR8304
Category: Boiler
Manufacturer: Honeywell
Size: 0.24 MB
Added : 8/23/2014
Number of pages: 12
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Summaries

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Abstracts of contents
Summary of the content on the page No. 1

VR8104, VR8204, and VR8304
Intermittent Pilot Combination
Gas Controls
INSTALLATION INSTRUCTIONS
These gas controls are available in a range of valve
APPLICATION
capacities, see Table 1. (Table 2 provides gas capacity
conversion factors.) The suffix letter indicates
These intermittent pilot gas controls are used in gas-fired
temperature range and regulator type, see Table 3.
appliances with up to 415 ft3/hr capacity at 1 in. wc
pressure drop (8.5 m3/hr at 0.25 kPa) on natural gas.
For CE-

Summary of the content on the page No. 2

VR8104, VR8204 AND VR8304 INTERMITTENT PILOT COMBINATION GAS CONTROLS Table 3. Model Number Suffix Letter Designation. Ambient Model No. Temperature Pressure Suffix Letter Range Regulator Type A 0°F to 175°F Standard (-18°C to +79°C) C Step-opening H Slow-opening a Nonregulating U (on-off) K -40°F to +175°F Slow-opening (-40°C to +79°C) M Standard P Step-opening QTwo-Stage RConvertible a Available only on CE VR8204 models. Table 4. VR8204A,H/VR8304A,H,U CE. Specifications VR8204A,H (CE Model

Summary of the content on the page No. 3

VR8104, VR8204 AND VR8304 INTERMITTENT PILOT COMBINATION GAS CONTROLS Table 6. Flange Adapter Part Numbers. SPECIFICATIONS a,b Part Number Inlet/Outlet Body Pattern: Straight through; see Table 1 for inlet and Pipe Size Flange Without Hex With Hex outlet size. (in. NPT) Type Wrench Wrench 3/8 Straight 393690-1 393690-11 Electrical Ratings: Voltage and Frequency: 24 Vac, 60 Hz. 3/8 Elbow 393690-2 393690-12 Current Draw: 0.5A with both operators energized. 1/2 Straight 393690-6 393690-16 Capaci

Summary of the content on the page No. 4

VR8104, VR8204 AND VR8304 INTERMITTENT PILOT COMBINATION GAS CONTROLS Corrosive Chemicals CAUTION Corrosive chemicals can attack the control, eventually causing a failure. If chemicals are used for routine Equipment Damage. cleaning, avoid contact with the control. Where Can burn out valve coil terminals. chemicals are suspended in air, as in some industrial or Never apply a jumper across (or short) the valve agricultural applications, protect the control with an coil terminals, even tempora

Summary of the content on the page No. 5

T T P A A L N N VR8104, VR8204 AND VR8304 INTERMITTENT PILOT COMBINATION GAS CONTROLS OR OTHER SIDE PRESSURE OF CAP REGULATOR CAP 1 VALVE OUTLET FLANGE M11678 9/64 INCH HEX SCREWS (4) Fig. 1. Top view of convertible 1 DO NOT OVERTIGHTEN SCREWS. TIGHTEN TO pressure regulator cap. 25 INCH-POUNDS. M9046 Fig. 2. Firmly fasten flange to valve, but Install Adapters To Control do not overtighten screws. If adapters are being installed on the control, mount them as follows: Location The combina

Summary of the content on the page No. 6

VR8104, VR8204 AND VR8304 INTERMITTENT PILOT COMBINATION GAS CONTROLS 4. Apply a moderate amount of good quality pipe compound (do not use Teflon tape) only to the DROP pipe, leaving two end threads bare. On LP PIPED GAS HORIZONTAL GAS CONTROL installations, use a compound resistant to LP gas. SUPPLY See Fig. 4. 5. Remove the seals over the control inlet and outlet if RISER necessary. GAS 6. Connect the pipe to the control inlet and outlet. Use CONTROL PIPED a wrench on the square ends of

Summary of the content on the page No. 7

VR8104, VR8204 AND VR8304 INTERMITTENT PILOT COMBINATION GAS CONTROLS WHEN FLANGE IS NOT USED WHEN FLANGE IS USED APPLY WRENCH APPLY WRENCH FROM TOP OR TO FLANGE ONLY BOTTOM OF GAS CONTROL TO EITHER SHADED AREA M3079 Fig. 5. Proper use of wrench on gas control with and without flanges. HI-LO ADJUSTMENT SCREWS (UNDER CAP) PRESSURE REGULATOR WIRING ADJUSTMENT REGULATOR TERMINALS (3) (UNDER CAP SCREW) VENT COVER OUTLET PRESSURE TAP INLET PRESSURE TAP LO HI OUTLET TWO-STAGE INLET PRESSURE RE

Summary of the content on the page No. 8

VR8104, VR8204 AND VR8304 INTERMITTENT PILOT COMBINATION GAS CONTROLS Turn On Main Burner S8600 Follow appliance manufacturer instructions or turn up VENT thermostat to call for heat. DAMPER 5 GND 24V TH-W PLUG (BURNER) (OPT) MV MV/PV PV GND 24V (OPT) SENSE SPARK Perform Gas Leak Test 5 3 WARNING PV Fire or Explosion Hazard. 2 PV/MV 4 Can cause property damage, severe injury MV or death. THERMOSTAT Perform Gas Leak Test every time work is done GAS CONTROL TERMINALS on a gas system. IMPORTANT

Summary of the content on the page No. 9

VR8104, VR8204 AND VR8304 INTERMITTENT PILOT COMBINATION GAS CONTROLS NOTE: If the burner firing rate is above 150,000 Btuh Check and Adjust Gas Input on VR8304 models (see Table 1 for VR8304 and Burner Ignition capacities), it may not be possible to deliver the desired outlet pressure. This is an application issue, not a control failure. Take whatever steps IMPORTANT are required to correct the situation. 1. Do not exceed input rating stamped on appliance nameplate, or manufacturer’s re

Summary of the content on the page No. 10

VR8104, VR8204 AND VR8304 INTERMITTENT PILOT COMBINATION GAS CONTROLS 4. With main burner operating, check the gas control flow rate cannot be achieved by adjusting the gas flow rate using the meter clocking method or check control, check the control inlet pressure using a pressure using a manometer connected to the manometer at the inlet pressure tap of the control. outlet pressure tap on the gas control. See Fig. 6. If the inlet pressure is in the nominal range 5. If necessary, adjust the

Summary of the content on the page No. 11

VR8104, VR8204 AND VR8304 INTERMITTENT PILOT COMBINATION GAS CONTROLS Table 8B. Pressure Regulator Specification Pressures (kPa). Factory Set Nominal Outlet Pressure Setting Range Type of Nominal Inlet Model Type Gas Pressure Range Step Full Rate Step Full Rate Standard, NAT 1.2 to 1.7 — 0.9 — 0.7 to 1.2 Slow LP 2.9 to 3.9 — 2.5 — 2.0 to 3.0 Step NAT 1.2 to 1.7 0.2 0.9 None 0.17 to 0.48 LP 2.9 to 3.9 0.5 2.5 None 1.4 to 1.37 a Two-stage NAT 1.2 to 1.7 — 0.48 Low — 0.22 to 0.75 Low 0.9 High 0.7

Summary of the content on the page No. 12

VR8104, VR8204 AND VR 8304 INTERMITTENT PILOT COMBINATION GAS CONTROLS STOP: Read the Warnings Above Before INSTRUCTIONS TO THE Proceeding. HOMEOWNER The pilot flame is lit automatically. If the appliance does not turn on when the thermostat is set several degrees above room temperature, follow these instructions: WARNING 1. Set the thermostat to its lowest setting to reset the Fire or Explosion Hazard. safety control. 2. Disconnect all electric power to the appliance. Can cause property


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