Bard W18HB-A Installation Instructions Manual

Also see for W18HB-A: Installation instructions

Manual 2100-703Page 19 of 40FIGURE 9Non-Programmable Thermostat ConnectionsCO2 OUTOptional CO2 ControllerBard Part #8403-067654321TEMP-OUT24VACW3 65421RUnit LowVoltageTerm. StripW2C GRT Y1 Y2 B/W1 L DA 3Factory installed jumper. Remove jumper to activate Balanced Climate™ Mode.A 2-stage thermostat is recommended for Balanced Climate mode.105 Do not add these wires if setting up for modulating control. See note 6.7Jumper needs added.8For 8403-058, change "system type", set up Function 1, From 5 (2 Heat/ 1 Cool heat Pump)to 6 (2 Heat / 2 Cool Conventional). For 8403-059, No change required.0-10 VDC Modulating CO2 control signal for modulating ventilation control(Optional for ECON Only) - See vent installation manual.6For vent operation, add jumper if optional CO2 controller is not used.Vent will run while blower is energized.4Factory installed jumper. Remove jumper and connectto N.C fire alarm circuit if emergency shutdown required.3Wire not needed below 15KW.2Wire required for dehumidification models only.1Thermostat will not work with units equipped with economizers.96 1012119 412-PinVent Plug 23 5 74Y6MIS-40648ALL VENT OPTIONS PLUG IN HERE47Rc CR9G Y Y23568403-038238403-059or T4 Pro 8403-089CRcR G1Mechanical HumidistatElectronic HumidistatOUnits With Dehumidification8403-047or T6 Pro 8403-090(TH522OD1219/U)If not equipped with a ventilation option to plug in, a jumper plug must be installed.(TH311OD1040)8403-057(TH522OD1151)8403-058510WAUXO/B EB