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OFC-5023
Oil Furnace
2 or 3 Speed PSC
Fan Motor Control
Part#: 47-50231
Thermostat
Wiring Terminals
Transformer
Terminals
Burner Wire
Harness Plug
Electrical shock hazard. To prevent electrical shock, death
or equipment damage, disconnect power supply before installing
or servicing control. Only qualified personnel may install or service this control in accordance with
local codes and ordinances. Read instructions completely before proceeding.
Frozen pipes/water damage. Central heating systems are prone to shut down as a result of power or fuel outages, safety
related fault conditions or equipment failure. Installation of freeze protection monitoring or other precautions is recommended
for unattended dwellings in climates subject to sustain below-freezing temperatures.
126 Bailey Road • North Haven, CT 06473 • (203) 776-0473 • www.hydrolevel.com
Installation and Operating Manual
OFC-5023 Kit Includes:
• Controller Board
• Installation and Operating Instructions
Read these instructions completely before proceeding with
the installation. Retain instructions for future reference.
Operational LEDs
PSC Dip Switch
Settings and Timings
Line Voltage Terminals
(COOL, HEAT, LOW,
HUM, EAC & Neutrals)
Unused Wire
Parking Terminals
To prevent
serious burns,
furnace should be thoroughly cooled before install-
ing or servicing control.
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Table of Contents
Related Manuals for Hydrolevel Company OFC-5023
Summary of Contents for Hydrolevel Company OFC-5023
- Page 1 Installation and Operating Manual OFC-5023 Kit Includes: • Controller Board OFC-5023 • Installation and Operating Instructions Oil Furnace 2 or 3 Speed PSC Fan Motor Control Read these instructions completely before proceeding with Part#: 47-50231 the installation. Retain instructions for future reference.
- Page 2 REPLACING AN EXISTING CONTROL BOARD Electrical shock hazard. To prevent electrical shock,death or equipment damage, disconnect power supply before installing or servicing control. Only qualified personnel may install or service this control in accordance with local codes and ordinances. NOTE: Prior to replacing the existing controller, note the DIP switch settings and the location of all wires. Taking pictures is a good way to preserve the existing wiring and setup information for future reference.
- Page 3 WIRING & STATUS LEDS Operational LEDS BURNER ON – The controller has sent a signal to the burner to run. LIMIT OPEN – The normally closed limit switch is open. This is a flashing indicator. BLOWER ON – The controller has energized the blower motor. SYS OK •...
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Page 4: System Settings
SETUP Refer to furnace manufacturer’s Installation and Operating Manual for required settings. See page 1 for location of DIP switches on circuit board. SYSTEM SETTINGS: DIP Switch Legend Switch S1: Blower Speeds (2 or 3 speed) Switch S2 & S3: Blower OFF Delay Timings Switch S4 &... -
Page 5: Standby Mode
ORDER OF OPERATIONS The steps on pages 5 and 6 of this manual contain general descriptions of each operational mode the OFC control features, including — • Heating Mode • Standby Mode • Dehumidify Mode • Fan Mode • Electronic Air Cleaner (EAC) Tab •... -
Page 6: Heating Mode
ORDER OF OPERATIONS cont... HEATING MODE: • Thermostat Call for heat (R+W) • The control will first close the T-T contact. Upon completion of the delay on time (set by SW2, switches 4 and 5) the motor heat tab will be energized. - Page 7 N O T E S...
- Page 8 We warrant products manufactured by Hydrolevel Company to be free from defects Hydrolevel Company be liable for any other loss or damage, whether direct, indirect, in material and workmanship for a period of two years from the date of manufac- incidental or consequential.
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