INSTLLTION INSTRUTIONS LOW VOLTE ONTROL IRUIT WIRIN W** W**D W*S W*S Models: W**L WL*S Bard Manufacturing ompany, Inc. Bryan, Ohio 4506 www.bardhvac.com Manual No.: 00-507L Supersedes: 00-507K Date: -5-7 Page of
ontents Installation Instructions Wiring Low Voltage Wiring... Operating Voltage Range... Low Voltage onnection... Tables Table Diagram to Use w/unit & Vents... Table Operating Voltage Range... Table Wall Thermostat... 4 Table 4 Humidity ontrols... 4 Table 5 O ontroller... 4 Table 6 Thermostat Wire Size... 4 Figures Figure Basic / with Optional Electric Heat No. Economizer or Vent Packages...5 Figure Opt. MFD, RV or ERV Vent. Pkg. w/ Programmable T-Stat...6 Figure Opt. MFD, RV or ERV Vent. Pkg. w/ Thermostat...7 Figure 4 / with Economizer...8 Figure 5 / w/dehumidification Sequence & No Vent Pkg...9 Figure 6 / w/dehumidification Sequence & No Vent Pkg. Using Sep. ontrols...0 Figure 7 / w/dehumidification Sequence w/vent Pkg. Using ombination ontroller... Figure 8 / w/dehumidification Sequence w/vent Pkg. Using Thermostat & Separate... Humidity ontroller... Figure 9 / w/dehumidification Sequence & Economizer w/thermostat and Humidistat... Figure 0 / w/dehumidification Sequence & Economizer w/ombination Temperature. & Humidity ontrol...4 Figure -Stage / with Optional Electric Heat. No Economizer or Vent Pkgs...5 Figure -Stage / Opt. MFD or ERV Vent. Pkg. w/thermostat...6 Figure -Stage / Opt. MFD or ERV Vent. Pkg. w/programmable T-Stat...7 Figure 4 -Stage / with Economizer...8 Figure 5 -Stage / w/opt. RVMP Low Voltage. Wiring...9 Figure 6 -Stage / w/opt. Elec. Heat w/... EONWM* Style Economizer...0 Figure 7 -Stage / w/opt. Elec. Heat w/... EONWM* Style Economizer... Manual 00-507L Page of
TBLE DIRM TO USE WITH UNIT ND VENTS System Type ir onditioner ir onditioner w/dehumidification Sequence -Stage ir onditioner Vent None RV, ERV, MFD RVMP Economizer EONWM* Vent ode X R,M,V,P E T,W Thermostat Programmable Programmable LL Programmable LL Model Series No Yes No Yes LL No Yes LL W**, W**L, N/ 4 4 6 W***D 6 5, 6 8 7, 8 N/ 9 9, 0 N/ W*S* WL*S*, 5 4 4 7 WIRIN LOW VOLTE WIRIN 0/08V, phase and phase are equipped with dual primary voltage transformers. ll equipment leaves the factory wired on 40V tap. For 08V operation, reconnect from 40V to 08V tap. The acceptable operating voltage range for the 40V and 08V taps are: n 8 gauge copper, color-coded thermostat cable is recommended. The connection points are shown in this Manual. See Table below. TBLE OPERTIN VOLTE RNE TP RNE 40V 5-6 08V 0-87 NOTE: The voltage should be measured at the field power connection point in the unit and while the unit is operating at full load (maximum amperage operating condition). Low Voltage onnection These units use a 4-volt low voltage circuit. The R terminal is the hot terminal and the terminal is grounded. terminal is the fan input. Y terminal is the compressor input for cooling -Stage units only or -Stage units with EONWM* Pink Wire is nd Stage cooling -Stage units only with EONWM* Y terminal is the st Stage compressor input for cooling -Stage units only No EONWM* Y terminal is the nd Stage compressor input for cooling -Stage units only No EONWM* W terminal is the st stage electric heat. W terminal is the nd stage heat (if equipped). terminal is the ventilation input. This terminal energizes any factory installed ventilation option. terminal is the dehumidification input. If installed, this terminal energizes any factory installed dehumidification option. NOTE: On models with J or M ontrol Module, terminal is used along with and for the alarm relay. J or M modules are not used in conjunction with dehumidification units. LOW VOLTE ONNETIONS FOR DD ONTROL -Stage Units -Stage Units -Stage Units w/eonwm* Fan Only Energize Energize Energize st Stage ooling Mode Energize Y, Energize Y, Energize, Y nd Stage ooling Mode Energize Y, Y, Energize, Y, Pink st Stage Heating Energize W Energize W Energize W nd Stage Heating Energize W, W Energize W, W Energize W, W (if employed) Ventilation Energize, Energize, Energize, Dehumidification Energize Energize Energize (if employed) Manual 00-507L Page of
TBLE WLL THERMOSTT Part Number 840-057 (TH0D040) 840-058 (TH50D5) 840-060 (0-445) 840-089 (T4 Pro) 840-090 (T6 Pro) Predominate Features stage ool, stage Heat Electronic Non-Programmable uto or Manual changeover stage ool, stage Heat Electronic Non-Programmable HP or onventional uto or Manual changeover stage ool; stage Heat Programmable/Non-Programmable Electronic HP or onventional uto or Manual changeover Dehumidification Output stage ool, stage Heat - onventional stage ool, stage Heat - Heat Pump Programmable/Non-Programmable Electronic uto or Manual changeover stage ool, stage Heat - onventional stage ool, stage Heat - Heat Pump Programmable/Non-Programmable Electronic uto or Manual changeover TBLE 4 HUMIDITY ONTROLS Part Number 840-08 (H60004) 840-047 (H00-0--0) Predominate Features SPDT switching, pilot duty 50V @ 4V Humidity range 0-80% RH Electronic dehumidstat SPST closes-on-rise Humidity range 0-90% with adjustable stops TBLE 5 O ONTROLLER Part Number 840-067 Predominate Features Normally Open SPST relay closes-on-rise 4V dual wave length sensor. Default setting 950ppm, adjustable to 0-000ppm Default off setting 000ppm, adjustable to 0-00 ppm can be calibrated TBLE 6 THERMOSTT WIRE SIZE Transformer V FL 55. Wire auge 0 gauge 8 gauge 6 gauge 4 gauge gauge Maximum Distance In Feet 45 60 00 60 50 Manual 00-507L Page 4 of
FIURE BSI / with OPTIONL ELETRI HET NO EONOMIZER or VENTILTION PKES Manual 00-507L Page 5 of
Manual 00-507L Page 6 of FIURE OPTIONL MFD, RV or ERV VENTILTION PKES with PRORMMBLE THERMOSTT (REOMMENDED)
FIURE OPTIONL MFD, RV or ERV VENTILTION PKES with THERMOSTT Manual 00-507L Page 7 of
Manual 00-507L Page 8 of FIURE 4 / with EONOMIZER
FIURE 5 / with DEHUMIDIFITION SEQUENE & NO VENTILTION PKE USIN 840-060 OMBINTION TEMPERTURE and HUMIDITY ONTROLLER Manual 00-507L Page 9 of
Manual 00-507L Page 0 of FIURE 6 / with DEHUMIDIFITION SEQUENE & NO VENTILTION PKE USIN SEPRTE TEMPERTURE and HUMIDITY ONTROLS
FIURE 7 / with DEHUMIDIFITION SEQUENE with VENTILTION PKE USIN 840-060 OMBINTION TEMPERTURE & HUMIDITY ONTROLLER and 840-067 O ONTROLLER Manual 00-507L Page of
Manual 00-507L Page of FIURE 8 / with DEHUMIDIFITION SEQUENE with VENTILTION PKE USIN THERMOSTT and SEPRTE HUMIDITY ONTROLLER
FIURE 9 / with DEHUMIDIFITION SEQUENE & EONOMIZER with 840-058 or 840-090 THERMOSTT and 840-08 or 840-047 HUMIDISTT Manual 00-507L Page of
FIURE 0 / with DEHUMIDIFITION SEQUENE & EONOMIZER with 840-060 OMBINTION TEMPERTURE and HUMIDITY ONTROL LOW VOLTE WIRIN Manual 00-507L Page 4 of
FIURE -STE / with OPTIONL ELETRI HET NO EONOMIZER or VENTILTION PKES LOW VOLTE WIRIN 4 Thermostat Part #840-060 R Y Y W/E W O/B YO/D Y L ELETRONI PRORMMBLE TH5005 Part #840-058 or 840-090 T6 Pro R R Y Y W W UNIT 4V TERMINL BLOK R Y Y W W Y E F 4 REMOVE JUMPER FOR STE ELETRI HET ON UNITS WITH 5 OR MORE KW FTORY INSTLLED JUMPER HNE "SYSTEM TYPE". SET UP FUNTION, FROM 5 ( HET/ OOL HET PUMP) TO 6 ( HET/ OOL ONVENTIONL). HNE MODEL ONFIURTION FROM HET PUMP TO HET/OOL MIS-868 B Manual 00-507L Page 5 of
FIURE -STE / with OPTIONL MFD OR ERV VENTILTION PKES with THERMOSTT 5 840-058 (TH50D5) or T6 Pro 840-090 LOW VOLTE WIRIN Rc R Y W W Y OPTIONL 840-067 O ONTROLLER 4 5 6 UNIT 4V TERMINL BLOK R Y W W Y Y E F RED BLK ERV ORNE 6 4 BROWN/WHITE MFD OPTIONL VENT PKES RED REMOVE JUMPER FOR STE ELETRI HET ON UNITS WITH 5 OR MORE KW OPTIONL VENT OPTION SUESTED HOOK UP 4 5 FTORY INSTLLED JUMPER DD JUMPER IF OPTIONL O ONTROLLER IS NOT USED, VENT WILL RUN WHILE BLOWER IS ENERIZED. DO NOT INSTLL JUMPER IF OPTIONL O ONTROLLER INSTLLED, ND SEE NOTE 6. HNE "SYSTEM TYPE", SET UP FUNTION, FROM 5 ( HET/ OOL HET PUMP) TO 6 ( HET / OOL ONVENTIONL). 6 ONNET ORNE WIRE TO "" ONLY IF OPTIONL O ONTROLLER IS INSTLLED. MIS-867 E Manual 00-507L Page 6 of
FIURE -STE / with OPTIONL MFD OR ERV VENTILTION PKES with PRORMMBLE THERMOSTT (REOMMENDED) LOW VOLTE WIRIN 4 THERMOSTT Part #840-060 R Y Y W/E W YO/D O/B L ELETRONI PRORMMBLE 4 5 6 OPTIONL 840-067 O ONTROLLER UNIT 4V TERMINL BLOK R Y Y W W Y E F BLK ERV MFD ORNE OPTIONL VENT PKES BROWN/WHITE RED 4 REMOVE JUMPER FOR STE ELETRI HET ON UNITS WITH 5 OR MORE KW DO NOT ONNET "" FROM 840-060 IF OPTIONL O ONTROLLER IS USED ONNET ORNE WIRE TO "" ONLY IF OPTIONL O ONTROLLER IS USED HNE MODEL ONFIURTION FROM HET PUMP TO HET/OOL. MUST BE ONFIURED TO PRORMMBLE ND FN SET TO PRORMMED FN FOR THE "" OUTPUT TO FUNTION DURIN SHEDULED OUPIED PERIODS. MIS-866 D Manual 00-507L Page 7 of
FIURE 4 -STE / with EONOMIZER OPTIONL EONOMIZER LOW VOLTE WIRIN Thermostat Part #840-060 Y R W/E W Y YO/D O/B L ELETRONI PRORMMBLE UNIT 4V TERMINL BLOK Y R W W Y Y E F BLK ORNE YELLOW PINK PURPLE BLUE BLK EONOMIZER WIRIN HRNESS REMOVE JUMPER FOR STE ELETRI HET ON UNITS WITH 5 OR MORE KW HNE MODEL ONFIURTION FROM HET PUMP TO HET/OOL, ND MUST BE ONFIURED FOR EONOMIZER FOR YO/D OUTPUT TO BE TIVE S FIRST STE OOLIN. MIS-865 Manual 00-507L Page 8 of
FIURE 5 -STE / with OPTIONL RVMP LOW VOLTE WIRIN Thermostat Part #840-060 R Y Y W/E W TH5005 Part #840-058 or T6 Pro Part #840-090 R R Y Y W W UNIT 4V TERMINL BLOK R Y Y W W Y E F ORNE RVMP BLK BLUE YELLOW BROWN PURPLE BLK ONTROL BORD SSEMBLY INSTLL JUMPER WHEN USIN THERMOSTT PRT #840-058 FTORY INSTLLED JUMPER HNE MODEL ONFIURTION FROM HET PUMP TO HET/OOL. MUST BE ONFIURED TO PRORMMBLE ND FN SET TO PRORMMED FN FOR THE "" OUTPUT TO FUNTION DURIN SHEDULED OUPIED PERIODS. MIS-86 D Manual 00-507L Page 9 of
FIURE 6 -STE / with OPTIONL ELETRI HET WITH EONWM STYLE EONOMIZER Low Voltage Wiring Diagram 4 840-058 (TH50D5) or T6 Pro 840-090 R R Y Y W W 5 Thermostat part #840-060 R Y YO/D Y W/E W L O/B / UNIT 4V TERMINLS R Y Y Y W W E F 6 BLK RED YELLOW PURPLE PINK BLUE TPE WIRE END YELLOW/RED Economizer Wiring Harness ORNE BROWN/WHITE YELLOW/WHITE Factory installed jumper. Remove for -stage operation on units with 5 or more kw. Must be energized to enable minimum position. NOTE: Economizer ontrol Default Setting is 0V (00%). Depending upon application may require setting to lower value. Factory Jumper Installed. hange "system type", set up function, from 5 ( heat/ cool heat pump) 4 to 6 ( heat/ cool conventional). hange model configuration from heat pump to heat/cool, and must be configured for 5 economizer for YO/D output to be active as first stage cooling. 6 Older units may not have Y and Y connections on 4v terminal block. If not present wire nuts must be used. MIS-98 D Manual 00-507L Page 0 of
FIURE 7 -STE / with OPTIONL ELETRI HET WITH EONWM STYLE EONOMIZER Low Voltage Wiring Diagram 4 840-058 (TH50D5) or T6 Pro 840-090 R R Y Y W W 5 Thermostat part #840-060 R Y YO/D Y W/E W L O/B / UNIT 4V TERMINLS R Y Y Y W W E F BLK RED YELLOW PURPLE ORNE BLUE TPE WIRE END YELLOW/RED Economizer Wiring Harness PINK BROWN/WHITE YELLOW/WHITE 4 5 Factory installed jumper. Remove for -stage operation on units with 5 or more kw. Must be energized to enable minimum position. NOTE: Economizer ontrol Default Setting is 0V (00%). Depending upon application may require setting to lower value. Factory Jumper Installed. hange "system type", set up function, from 5 ( heat/ cool heat pump) to 6 ( heat/ cool conventional). hange model configuration from heat pump to heat/cool, and must be configured for economizer for YO/D output to be active as first stage cooling. MIS-984 D Manual 00-507L Page of