ICP OMF112K14A Installation Instructions And Homeowner's Manual

Also see for OMF112K14A: Installation instructions and homeowner's manual

Contents

9Blower “OFF” delayBoard # ST9103ABlower start / stop delaysBoard # 11582.12 SUPPLY AIR ADJUSTMENTS(ECM VARIABLE SPEED MOTORS)On units equipped with ECM variable speed blower motors,the air supply must be adjusted based on heating/airconditioning output. The start/stop delays of the blower mustalso be adjusted by positioning the DIP switches on theelectronic board. Refer to the following tables, air flow table 2and the wiring diagram in this manual for the proper settings:HEATING MODESW1 – HEATDIP Switch Positions1 2 POSITIONInputUSGPHOFF OFF A 0.68ON OFF B 0.80OFF ON C * 0.68ON ON D * 0.80* Alternate adjustment with higher temperature riseAIR CONDITIONING MODESW2 – COOLDIP Switch Positions1 2 POSITIONOutputTonsOFF OFF A 3.5ON OFF B 3.0OFF ON C 2.5ON ON D 2.0CFM ADJUSTMENTS – ALL MODESSW3 – ADJ (Adjustment)DIP Switch Positions1 2 POSITIONCFM HTG.% increaseor decreaseCFM A/C% increaseor decreaseOFF OFF A 0% 0%ON OFF B +10% +10%OFF ON C -10% -10%ON ON D N/A 0%DELAY ADJUSTMENTS – HEATING MODESW4 – DelayDIP Switch Positions1 2 POSITIONInputUSGPHOFF OFF A 0.68ON OFF B 0.80OFF ON C ALLON ON D ALL2.13 INSTALLATION OF ACCESSORIESWARNINGElectrical shock hazard.Turn OFF electrical power at the fuse box or servicepanel before making any electrical connections andensure a proper ground connection is made beforeconnecting line voltage.Failure to do so can result in death or bodily injury.2.13.1 Humidifier (HUM)The 120 VAC HUM terminal on the electronic board of theblower is tied directly to terminal 8 of the 9-terminalconnector of the electronic board. It supplies 120 VACelectric power when the burner is in operation.A 24 VAC signal can also be supplied from the W and Cterminals on the blower electronic board to activate aswitching relay.Also refer to the instructions supplied with the accessory.2.13.2 Electronic Air Cleaner (EAC)The EAC terminal on the electronic board supplies 120VAC when the blower is operating in the heating or airconditioning mode. This signal can be used to activate anelectronic air cleaner that is not equipped with an air flowswitch. If the cleaner is equipped with an air flow switch,the S terminal on the electronic board can be used toprovide a constant supply of 120 VAC.Also refer to the instructions supplied with the accessory.445 01 4101 00