Bard W18HA-A Installation Instructions Manual

Bard W18HA-A Installation Instructions Manual Manual pdf 18 page image

Manual 2100-654CPage 18 of 34FIGURE 9Non-Programmable Thermostat Connections(not for use on models equipped with an economizer)CO2 OUTOptional CO2 ControllerBard Part #8403-067654321TEMP-OUT24VACW3/8 76532RUnit LowVoltageTerm. StripW2C GRT Y1 Y2 B/W1 L/1 DA 45 Do not add these wires if setting up for modulating control. See note 7.7Jumper needs added.8For 8403-059, change "system type", set up Function 1, From 6 (2 Heat/ 1 Cool)to 5 (2 Heat / 1 Cool Heat pump). For 8403-058, No change required.3 Wire required for dehumidification models only.0-10 VDC Modulating CO2 control signal for modulating ventilation control(Optional for ECON Only) - See vent installation manual.6Factory installed jumper. Remove jumper and connectto N.C fire alarm circuit if emergency shutdown required.4Wire not needed below 15KW.2For vent operation, add jumper if optional CO2 controller is not used.Vent will run while blower is energized.16 1012119 412-PinVent Plug23 5 74O6ALL VENT OPTIONS PLUG IN HERER2AUX EC G O/B43568403-0381 Stage HeatYElectronic HumidistatMechanical Humidistat8403-059(TH311OD1040) BCRc(TH522OD1219/U)8403-057 R GRcWY8403-047Units With Dehumidification3If not equipped with a ventilation option to plug in, a jumper plug must be installed.18403-058(TH522OD1151)1 Stage Cool587MIS-3822 A1 Stage Cool2 Stage Heat