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Field Controls PVU-300 Installation And Operation Manual

Power venter system
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Included is one ETL LISTED power venter to be used for side wall venting of a single 120/24 VAC controlled
furnace, boiler, or water heater which burns natural or LP gas, or oil. The PVU may also be used to vent a
single 24 VAC controlled gas fired furnace or boiler and a 30 millivolt residential gas fired water heater.
ETL LISTED PVU-300 POWER VENTER with pre-wired integral Universal
Control (24VAC and 120 VAC), factory set Draft Proving Switch, and direct
access Terminal Blocks.
• Side Wall Vent Hood (Not included)
• Barometric Draft Control (Not Included)
This device MUST be installed by a qualified agency in accordance with the manufacturers installation
instructions.
The definition of a qualified agency is: any individual, firm, corporation or company which either in person or through a representative is
engaged in, and is responsible for, the installation and operation of gas appliances, who is experienced in such work, familiar with all
the precautions required, and has complied with the requirements of the authority having jurisdiction.
POWER VENTER SYSTEM
Model: PVU-300
TYPICAL VENTING SYSTEM COMPONENTS
C
ONTENTS
PVU Internal Wiring Schematic
DO NOT DESTROY
THESE INSTRUCTIONS MUST REMAIN WITH EQUIPMENT
2630 Airport Road · Kinston, NC 28504
Phone: 252-522-3031· Fax: 252-522-0214
• Spill Switches (Not included)
www.fieldcontrols.com
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Summary of Contents for Field Controls PVU-300

  • Page 1: Table Of Contents

    POWER VENTER SYSTEM Model: PVU-300 Included is one ETL LISTED power venter to be used for side wall venting of a single 120/24 VAC controlled furnace, boiler, or water heater which burns natural or LP gas, or oil. The PVU may also be used to vent a single 24 VAC controlled gas fired furnace or boiler and a 30 millivolt residential gas fired water heater.

  • Page 2: System Operation

    UNIT SPECIFICATIONS (See Table 1 and Figure 1) Table 1 UNIT DIMENSIONS (INCHES) MODEL “H” “W” “D” I/O* PVU-300 11.5 Inlet and outlet diameter. ELECTRICAL RATINGS MODEL WATT TP** PVU-300 3000 Figure 1 Thermally protected motor. SIDEWALL VENT HOODS (Model SWH-1) Sidewall vent hoods are available in the following sizes.

  • Page 3: Installation Safety Instructions

    ROCEDURE ALCULATING OTAL QUIVALENT ENGTH 1. Calculate the total equivalent feet for each type of fitting used in the venting system from the following chart. 2. Calculate the total amount of feet for the straight lengths of vent pipe. 3. Add the equivalent feet for the fittings with the total amount of feet of straight lengths. Table 3 EQUIVALENT LENGTH (FEET) OF VENT PIPE FOR VENT PIPE FITTINGS VENT PIPE DIAMETER...

  • Page 4: Installation Of Power Venter

    Use a Field Controls Type MG-1 Barometric Draft Control. Gas-fired draft induced systems should have a single-acting or double-acting barometric draft control installed.
  • Page 5 NSTALLATION 1. Use the inside wall plate as a template to mark the hole location. Cut a hole 1 inch larger than the marked hole to facilitate easy installation (See Figure 4) 2. Center vent hood through the hole from outside. Fasten the vent hood to the outside wall with the appropriate type of mounting screws.
  • Page 6 -3 E PTIONAL XHAUST PILLAGE ETECTOR WITCH NSTALLATION NOTE: Installation of the GSK-3 secondary safety switch is recommended for LP and Natural gas fired appliances with a draft hood. This switch will detect exhaust gas spillage out of the draft hood due to a blocked vent system and/or inadequate draft during operation.

  • Page 7: General Wiring Instructions

    GENERAL WIRING INSTRUCTIONS CAUTION: Disconnect electrical power before wiring power venter! Connect line voltage (110/120 VAC) through junction box access hole labeled "120 VAC Only". Connect low voltage control wiring through junction box access hole labeled "24 VAC Control Wiring Only". VENTER MUST BE GROUNDED! Check ground circuit to make certain that venter has been properly grounded.

  • Page 8: Adjusting Thermostat Anticipator

    NOTE: A CK-20FV or CK-20FG control kit MUST be added to the system to properly control the venter with the operation of a 30mV water heater. Refer to Diagram E for proper wiring specifications. Diagram E – Wiring with a 30mV Water Heater ADJUSTING THERMOSTAT ANTICIPATOR If connecting the Power Venter system to a gas appliance with a thermostat anticipator, refer to the following to make adjustments.

  • Page 9: Airflow Adjustments

    AIR FLOW ADJUSTMENTS 1. To properly adjust the venter air flow, loosen the inlet ring screws and open the choke plate approximately 1/2 to 3/4 open. (See Figure 9) Start the heating appliance following the manufacturer specified procedure, and set the thermostat to call for heat.

  • Page 10: System Control Check Procedures

    SYSTEM CONTROL CHECK PROCEDURES 1. Adjust the thermostat to call for heat and observe the power venting system for proper operation sequence. Repeat as necessary. a. Thermostat calls for heat. b. Venter relay is energized which starts venter motor. c. Pressure switch closes which allows burner to fire. d.

  • Page 11: Multiple Venting Systems

    MULTIPLE VENTING SYSTEMS To vent a 24 VAC controlled boiler or furnace and a 30 millivolt residential water heater using one PVU power venter refer to the following. a. Follow the instructions for safe and proper venting previously specified in this manual. Make sure that the combined gross BTU/Hr input and equivalent vent pipe length does not exceed the maximum venting capacity of the venter selected.
  • Page 12 2. To vent two 24 VAC appliances using one PVU power venter refer to the following. a. Follow the instructions for safe and proper venting previously specified in this manual. Make sure that the combined gross BTU/Hr input and equivalent vent pipe length does not exceed the maximum venting capacity of the venter selected.
  • Page 13 3. To vent two 120 VAC appliances using one PVU power venter refer to the following. c. Follow the instructions for safe and proper venting previously specified in this manual. Make sure that the combined gross BTU/Hr input and equivalent vent pipe length does not exceed the maximum venting capacity of the venter selected.
  • Page 14 PV SERIES POWER VENTER: VERTICAL VENTING OPTION Natural gas, lp gas or #2 fuel oil appliance rated at 75% or greater non-condensing type of appliance. Maximum input temperature at power venter: 575°f Diagram I – Vertical Venting Option Page 14...

  • Page 15: Venting System Operational Information

    VENTING SYSTEM OPERATIONAL INFORMATION Date: Heating appliance BTU/Hr input Gas valve operation pressure Vent system draft above draft hood or below barometric draft control measurement CO measurement Appliance outlet flue gas temperature INSTALLATION INFORMATION PVU-300 MODEL NO.:____________________________________________________________ INSTALLER'S NAME:_____________________________________________________ INSTALLER'S COMPANY: _________________________________________________ INSTALLER'S PHONE NO.: ________________________________________________ DATE OF INSTALLATION:_________________________________________________ Page 15...
  • Page 16 P/N 46517200 Rev B 11/06 Page 16...

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