Greenheck PVF manual

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- informations concerning technical data of Greenheck PVF
- name of the manufacturer and a year of construction of the Greenheck PVF item
- rules of operation, control and maintenance of the Greenheck PVF item
- safety signs and mark certificates which confirm compatibility with appropriate standards

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Table of contents for the manual

  • Page 1

    Part # 461006 MODEL PVF INDIRECT GAS FIRED FURNACES FOR ENERGY RECOVER Y UNITS Installation, Operation and Maintenance Manual ® RET AIN THESE INSTRUCTIONS FOR FUTURE REFERENCE W ARNING!!! Improper installation, adjustment, alteration, service or maintenance can cause injury or death. Read the installation, operating and maintenance instructions th[...]

  • Page 2

    1. Single furnaces (furnace input 100 to 400 MBH) have a single 3 ⁄ 4 inch connection. Double furnaces (furnace input 500 to 800 MBH) have two 3 ⁄ 4 inch connections, and triple furnaces (furnace input 1050 to 1200 MBH have three 3 ⁄ 4 inch connections. 2. When connecting the gas supply, the length of the run must be considered in determining[...]

  • Page 3

    1. Installation of wiring must conform with local building codes. In the absence of local codes, installation must conform to the National Electric Code ANSI/NFPA 70-Latest Edition. Unit must be electrically grounded in conformance with this code. In Canada, wiring must comply with CSA C22.1, Canadian Electrical Code. 2. All furnaces are provided w[...]

  • Page 4

    Power -up/Standby After power is supplied to the unit: 1. The ignition control will reset and perform a self- check routine. 2. The diagnostic LED will flash for up to four seconds. 3. The ignition control will begin scanning the thermostats. Heat Mode When the thermostat or discharge temperature controls call for heat: 1. The ignition control will[...]

  • Page 5

    Setting Manifold Pressure for Two Stage Gas Control 1. Set the unit to high fire by setting the discharge temperature control or thermostat to its maximum setting. If the ambient temperature is warm, the unit may not stay at high fire. 2. Measure the burner manifold pressure at the manifold pressure test port (see Control Center Layout on page 3) u[...]

  • Page 6

    1. Set the unit to high fire by placing a jumper between terminals 7 and 8 on the Maxitrol amplifier. 2. Measure the burner manifold pressure at each furnace at the pressure test port (see Figure 2) using a high quality manometer that can measure low gas pressures. The pressure at high fire should be 3.5 in. wg for natural gas and 10.0 in. wg for L[...]

  • Page 7

    Ignition Control Diagnostic LED During normal operation, the LED is shut off. The LED will be on or flashing during a fault condition. If a fault condition is occurring, turn the unit off and on again. If the LED is still flashing, refer to the following troubleshooting section. LED Indication Error Mode Steady on Internal control failure 1 flash A[...]

  • Page 8

    Combustion Blower Motor Motor maintenance is generally limited to cleaning. Cleaning should be limited to exterior surfaces only. Removing dust and grease build-up on the motor housing assures proper motor cooling. Use caution and do not allow water or solvents to enter the motor or bearings. Under no circumstances should motors or bearings be spra[...]