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Manual 2100-516H 
Page 

1 of 19

INSTALLATION   INSTRUCTIONS

SINGLE STAGE HEAT PUMPS

LOW VOLTAGE

CONTROL CIRCUIT WIRING 

MODELS

  

W**H 

W**H*D

  

S**H 

S**H*D

  

T**H 

T**H*D

Manual : 

2100-516H

Supersedes: 2100-516G
File: 

Volume III Tab 16

Date: 03-28-14

Bard Manufacturing Company, Inc.
Bryan, Ohio 43506

Since 1914...Moving ahead just as planned.

Summary of Contents for WH Series

Page 1: ...INGLE STAGE HEAT PUMPS LOW VOLTAGE CONTROL CIRCUIT WIRING MODELS W H W H D S H S H D T H T H D Manual 2100 516H Supersedes 2100 516G File Volume III Tab 16 Date 03 28 14 Bard Manufacturing Company Inc...

Page 2: ...D CRV ERV Vent Pkg Using Non Prog T Stat No Occupied Signal 13 Figure 10 HP w Dehumidification Sequence Opt MFAD CRV ERV Vent Pkg Using Non Prog T Stat with CO2 Controller 14 Figure 11 Heat Pump w CS2...

Page 3: ...d the C terminal is grounded G terminal is the fan input Y terminal is the compressor input B terminal is the reversing valve input The reversing valve must be energized for heating mode R terminal is...

Page 4: ...able stops Part Number Predominate Features 8403 067 Normally Open SPST relay closes on rise 24V dual wave length sensor Default setting 950ppm adjustable to 0 2000ppm Default off setting 1000ppm adju...

Page 5: ...1 Unit 1 24V Low Voltage Terminal Block W3 E L DH O1 W2 W1 Y1 B Y R G MIS 2645 C Aux Low Voltage Wiring Diagram C G R Rc Y O B 1 L E W1 E C Bard part 8403 058 TH5220D1151 Thermostat 2 Stage Heat 1 Sta...

Page 6: ...e Wiring Diagram C O B Y1 R G W2 Y O D W1 E Heat Pump with Optional MFAD CRV and ERV Bard part 8403 060 Thermostat Programmable L A Y2 Red Orange Black 2 Brown White Ventilation Packages Electronic Re...

Page 7: ...lack L B when DH Bard part 8403 058 W3 24V Low Voltage Thermostat TH5220D1151 R Red Factory Jumper Installed G ERV Orange Black Brown White CRV Packages Ventilation 1 whenever blower operates Add jump...

Page 8: ...w Voltage Wiring Diagram C O B Y R L AUX Terminal Block E 24V Low Voltage Bard part 8403 058 MFAD Bard part 8403 067 2 Stage Heat 1 Stage Cool Thermostat 1 Red 1 Orange Optional CO Controller Brown Wh...

Page 9: ...Voltage L Purple YO D Y1 1 Factory Jumper Installed 2 be active as first stage cooling Must be configured for economizer with YO D output to These wires are used in special control applications only...

Page 10: ...Y1 W2 Y2 DH L W1 Electronic B YO D Terminal Block Figure 6 Low Voltage Wiring Diagram C O B R G L 24V Low Voltage Bard part 8403 060 Thermostat using Thermostat part 8403 060 Combination Temperature...

Page 11: ...erminal Block TH5220D1151 W3 24V Low Voltage 1 Mechanical Humidistat L W1 Red Yellow 6 5 3 4 1 Factory Jumper Installed Jumper needs to be added Bard part 8403 047 Electronic Humidistat R Y W2 Thermos...

Page 12: ...nal CO controller is used L Y1 DH Y B W1 O1 R W2 2 and fan set to programmed fan for the A output to function 2 2 active for humidity control Must be configured to programmable Red Terminal Black cont...

Page 13: ...47 2 24V Low Voltage Bard part 8403 058 Rc Thermostat Ventilation 2 Stage Heat 1 Stage Cool O1 MFAD ERV Red 1 Black Brown White CRV Black Red Yellow 6 Packages 1 5 Orange 1 Factory Jumper Installed ac...

Page 14: ...8403 058 Jumper needs to be added TH5220D1151 1 Connect Orange wire to G Mechanical Humidistat Black MFAD Thermostat ERV 2 Red Ventilation CRV 1 Stage Optional CO Controller Bard part 8403 038 Factor...

Page 15: ...E WIRES WH SH HEAT PUMP CONNECTION DIAGRAM RC CONTACTS OPEN NORMALLY OPTIONAL DETECTOR MOTION LIGHTING CONTROL CONTROLLER PACKAGE OPTIONAL SETTINGS INSTALLED IN HEAT PUMP BARD P N 8403 058 HP WITH CS2...

Page 16: ...Econ Part 8201 062 W2 W1E R G C Thermostat Part 8403 060 W2 G R C E L O B YOD Y2 Y1 L W1 O B Y WH Unit Y1 Vent Option and 8403 060 Thermostat Dehum Relay Heat Relay Term Strip Economizer Part 8201 062...

Page 17: ...e configured for heat pump multistage no economizer 2 3 Low Voltage Wiring Diagram 2 Y1 W2 L 24V Low Voltage W2 Terminal Block W1 Wiring Harness to enable YO D output to be active as dehumidification...

Page 18: ...mper Installed Unit C G R Y E Y1 W2 W1 O1 DH L B W3 Terminal Block 24V Low Voltage 1 Low Voltage Wiring Diagram C O B Y1 R G W2 Y O D W1 E Bard part 8403 060 Thermostat Programmable L A Y2 Yellow Blac...

Page 19: ...Y L 1 Stage Cool 2 Stage Heat Thermostat TH5220D1151 Bard part 8403 058 AUX G R Rc O B C Low Voltage Wiring Diagram E 1 Unit C Factory Jumper Installed G 2 R E Y1 W2 W1 O1 DH L B Ventilation Y Black W...

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