User manual TJERNLUND 950-8804 UC1 UNIVERSAL CONTROL BOARD KIT (VERSION X.06) 8505017 REV D 0705

[. . . ] TJERNLUND PRODUCTS, INC. 1601 Ninth Street · White Bear Lake, MN 55110-6794 PHONE (800) 255-4208 · (651) 426-2993 · FAX (651) 426-9547 Visit our web site · www. tjernlund. com IMPORTANT!!!UC1 BOARD VERSION X. 06 UPDATES NEW X. 06 VERSION UC1 BOARD FEATURES IMPORTANT: This upgraded circuit board features: A new #6 power LED Constant red when 115 VAC is supplied to L & N. A new color for the #2 LED Constant blue when fan prover safety circuit is closed. A revised #5 LED With no call for heat present, flashes 3 seconds on / 3 seconds off if microcontroller is working properly. New LED # 6 RED 115V power supplied to UC1 L & N terminals P1 P2 C GND F LED 6 (RED) POWER LED (1 9) LED # 2 now BLUE (previously GREEN) LED # 5 RED With no call for heat, flashes 3 seconds on / 3 seconds off if microcontroller is working properly. LED 1 (AMBER) LED 2 (BLUE) LED 3 (GREEN) LED 4 (RED) LED 5 (RED) DRY 24 V 115 V J1 J2 XL XN N M MTR APPLIANCE INTERLOCK RELAY VENTER MOTOR RELAY AB 1 2 3 4 LN IMPORTANT: For 950-8804 UC1 Replacement Board Kits: If this is a 950-8804 UC1 board kit and you are replacing an existing UC1 board with this new board, note Dip Switch settings on existing UC1 circuit board so that those same settings can be positioned on this replacement circuit board. [. . . ] ON 750 MILLIVOLT (POWER PILE) WATER HEATERS WIRE LINEAR LIMIT SPILL SWITCH IN SERIES WITH HIGH LIMIT (ECO) OF WATER HEATER. LINEAR LIMIT SPILL SWITCH, 950-0470 JUNCTION ADAPTER AND GAS PRESSURE SWITCH ARE INCLUDED WITH WHKE KIT. Each millivolt appliance interlocked with the UC1 must have its own WHKE kit installed. The WHKE Gas Pressure Switch actuates the Venter through the A - B Dry contacts. The Linear Limit switch disables the heater in the event of a venting malfunction. IMPORTANT: Each millivolt appliance interlocked with the UC1 must have its own Linear Limit spill switch. Wire WHKE Gas Pressure Switch in series with A and B terminal on UC1. Do not supply voltage to A and B terminals. Wire WHKE Linear Limit in series with thermocouple junction adapter or high limit ECO of water heater. Make sure RED voltage jumper on UC1 is in the DRY position. Connect 115 VAC supply voltage to L & N terminals on UC1. Crimp Ground wire to grounding spade terminal in UC1. Important: Installer must supply overload and disconnect protection. If not previously completed, connect ground from UC1 whip to Venter ground. Connect Black and White leads from UC1 whip to Venter motor leads. Connect Blue and Yellow leads from UC1 whip to Fan Prover switch. Prover Leads are not polarity sensitive. If using a Draft Inducer and only venting millivolt appliances the PS1505 Fan Proving Switch is not necessary, see WHKE instructions for complete details. UC1 UNIVERSAL CONTROL CONNECTED TO A GAS OR OIL BURNER WITH AN AQUASTAT IMPORTANT: RED JUMPER POSITION MUST BE THE SAME AS APPLIANCE INTERLOCK VOLTAGE. LEGEND: 115 VAC D/N 9183046-7 AQUASTAT L1 L2 C1 C2 B1 B2 115V DRY CALL JUMPER J2 UNIVERSAL CONTROLLER 24V N J1 L1 LINE VOLTAGE OIL BURNER PRIMARY CONTROL, BURNER RELAY OR GAS VALVE SUPPLY 115 VAC 50/60 Hz R XL XN GROUND IMPORTANT: CRIMP GROUND WIRE TO GROUNDING SPADE TERMINAL IN ELECTRICAL BOX. 1. Disconnect B1 from L1 of oil burner primary control, burner relay or hot of gas valve and reconnect to #1 on UC1 terminal block. Connect #2 on UC1 terminal block to B2 or N. Connect #4 on UC1 terminal block to the L1 on line voltage oil burner primary control, burner relay or gas valve. Make sure RED voltage jumper on UC1 is on 115V. [. . . ] Proof of date of the installation in the form of the contractor sales/installation receipt is necessary to prove the unit has been in service for under one year. All receipts should include the date code of the UC1 to ensure that the defective component corresponds with the complete unit. This will help preclude possible credit refusal. 1. ) Follow troubleshooting guide to determine defective component. [. . . ]