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1. Safety

PNEG-1499

 Digital High/Low Thermostat

5

Cautionary Symbols Definitions

Cautionary symbols appear in this manual and on product decals. The symbols alert the user of potential 
safety hazards, prohibited activities and mandatory actions. To help you recognize this information, we 
use the symbols that are defined below.

NOTICE

DANGER

WARNING

CAUTION

This symbol indicates an imminently hazardous situation 
which, if not avoided,

 will result in serious injury or death.

This symbol indicates a potentially hazardous situation 
which, if not avoided, 

can result in serious injury or death.

This symbol indicates a potentially hazardous situation which, 
if not avoided, 

can result in minor or moderate injury.

This symbol is used to address practices not related to 
personal injury.

This symbol indicates a general hazard.

This symbol indicates a prohibited activity.

This symbol indicates a mandatory action.

ST-0005-2

Summary of Contents for HF-8056

Page 1: ...PNEG 1499 Digital High Low Thermostat Owner s Manual Model HF 8056 PNEG 1499 Version 2 1 Date 11 04 16 ...

Page 2: ... Value 7 set to H2 3 All items included in packaging 4 Safety decal installed on side of thermostat 5 Aesthetic appearance 6 Manual 7 Vendor Instruction Sheet Tester Signature ______________________________ Date ______________________________ All information illustrations photos and specifications in this manual are based on the latest information available at the time of publication The right is ...

Page 3: ...on Instructions 10 Chapter 4 Electrical Connection 11 Thermostat Connection to Standard Heater Control 11 Thermostat Connection to Deluxe Heater Control 13 Thermostat Connection to Canadian Certified Bin Heaters 14 Chapter 5 Programming 15 Programming Set Point Values 15 Chapter 6 Parts List 16 Thermostat Assembly High Low 2 Stage Digital HF 8056 16 Chapter 7 Appendix 17 Troubleshooting Error Mess...

Page 4: ...ns must stay out of the work area at all times Alterations must not be made to the equipment Alterations can produce dangerous situations resulting in SERIOUS INJURY or DEATH This equipment must be installed in accordance with the current installation codes and applicable regulations which must be carefully followed in all cases Authorities having jurisdiction must be consulted before installation...

Page 5: ... This symbol indicates an imminently hazardous situation which if not avoided will result in serious injury or death This symbol indicates a potentially hazardous situation which if not avoided can result in serious injury or death This symbol indicates a potentially hazardous situation which if not avoided can result in minor or moderate injury This symbol is used to address practices not related...

Page 6: ...ollowed exactly a fire or explosion can result causing property damage personal injury or loss of life Carefully read all safety messages in this manual and safety signs on your machine Keep signs in good condition Replace missing or damaged safety signs Be sure new equipment components and repair parts include the current safety signs Replacement safety signs are available from the manufacturer L...

Page 7: ...must be provided for all powered air handling systems The manufacturer does not recommend the use of downward flow systems suction Severe roof damage can result from any blockage of air passages Operating fans during high humidity or cold weather conditions can cause air exhaust or intake ports to freeze ST 0028 2 Exercise Caution When Drying Flammable Grains Be aware that some grains are highly f...

Page 8: ...ign Off Sheet Below is a sign off sheet that can be used to verify that all personnel have read and understood the safety instructions This sign off sheet is provided for your convenience and personal record keeping Date Employee Name Supervisor Name ST 0007 ...

Page 9: ...llation operation service and maintenance of the equipment To replace a damaged or missing decal contact us to receive a free replacement GSI Decals 1004 E Illinois St Assumption IL 62510 Tel 1 217 226 4421 Location Decal No Decal Description Thermostat DC 889 High Voltage Danger Decal DANGER HIGH VOLTAGE Will cause injury or death Lockout power before servicing DC 889 GSI Group Inc 217 226 4421 ...

Page 10: ... 280 provided to mount the plate HF 8058 on the sidewall The large hole on the plate should be centered on a valley of the bin corrugations The plate should be mounted approximately in the center of the plenum at the closest valley 6 Use the hole in the mounting plate as a guide and drill a pilot hole Once the pilot hole is drilled in the sidewall remove the mounting plate 7 With the plate removed...

Page 11: ... to Standard Terminal Strip on Heaters Built Prior to 2007 1 Connect power cord to fan control box 2 Connect the BLACK 120VAC power wire to terminal 2 3 Connect the WHITE Neutral wire to terminal 8 4 Connect the GREEN Stage 1 Common wire to terminal 6 5 Connect the RED Stage 1 N O wire to the high low light and cycle solenoid 6 Connect the ORANGE Stage 2 Common wire to terminal 8 7 Connect the BLU...

Page 12: ...control the thermostat power 3 Connect the WHITE Neutral wire to terminal 8 4 Connect the GREEN Stage 1 Common wire to terminal 6 5 Connect the RED Stage 1 N O wire to the high low light and cycle solenoid 6 Connect the ORANGE Stage 2 Common wire to terminal 1 7 Connect the BLUE Stage 2 N O wire to high limit circuit on the incoming L1 power NOTE Terminal strip may or may not be present in heater ...

Page 13: ...1 Connect power cord to fan control box 2 Connect the BLACK 120 VAC power wire to terminal 20 3 Connect the WHITE Neutral wire to terminal 19 4 Connect the BLUE Stage 2 Common wire to terminal 15 5 Connect the ORANGE Stage 2 N O wire to terminal 14 6 Connect the RED Stage 1 N O wire to terminal 13 7 Connect the GREEN Stage 1 Common wire to terminal 12 Figure 4C ...

Page 14: ...ion to Canadian Certified Bin Heaters TRANSITION HI LIMIT RESET HF 7200 BIN THERMOSTAT CONNECTION ON OFF SWITCH HF 8129 LOW TEMP THERMOSTAT VIS LTT CSA FUSE C 8719 NC NO 240 120 C C NC NO C STAGE 1 CYCLE CONTACT STAGE 2 HIGH LIMIT CONTACT HF 8056 THERMOSTAT WIRING LI N 110 VOLT POWER MUST BE INTERLOCKED TO FAN CONTACTOR HF 8012 HI LOW SOLENOID HI LOW UNITS ONLY HI LOW CONN HF 8011 SECONDARY SOLENO...

Page 15: ...gain to access the Stage 2 setpoint S2 will blink on the screen Press the UP arrow to increase or the DOWN arrow to decrease the set point to the desired temperature High Limit Set Point If the plenum temperature increases above this point the flame is shut off OFF Cycle 6 Press the SET key again to access Stage 2 differential DIF2 will flash on the screen Press the UP arrow to increase or the DOW...

Page 16: ...ital 1 2 HF 8057 Connector Straight Cord Grip Heyco M3444 with Nylon Nut 1 3 HF 8058 Sensor Mounting Plate 1 4 FH 1310 Connector Cord Heyco 3231 2 5 WR 186SEOW Cable Wire CLM 18 6 SEOW Control 1 6 S 280 Screw SDS 10 16 x 5 8 Hardware ZN 6 7 FH 1309 Nut Lock 1 2 with Pipe Threads 2 8 DC 889 Decal Danger High Voltage 1 9 HF 8117 Thermistor Sensor Replacement Only 1 ...

Page 17: ...ettings are not properly stored in memory To Correct Check all settings and correct if necessary EP Appears when the probe is open shorted or sensing a temperature that is out of range To Correct Check to see if the temperature is out of range If not check the probe for damage by comparing it to a known ambient temperature between 30 F and 220 F Replace the probe if necessary EE Appears if the EEP...

Page 18: ...18 PNEG 1499 Digital High Low Thermostat NOTES ...

Page 19: ...CTS GSI shall not be liable for any direct indirect incidental or consequential damages including without limitation loss of anticipated profits or benefits The sole and exclusive remedy is set forth in the Limited Warranty which shall not exceed the amount paid for the product purchased This warranty is not transferable and applies only to the original end user GSI shall have no obligation or res...

Page 20: ... be carefully followed in all cases Authorities having jurisdiction should be consulted before installations are made 1004 E Illinois St Assumption IL 62510 0020 Phone 1 217 226 4421 Fax 1 217 226 4420 www gsiag com Copyright 2016 by The GSI Group LLC Printed in the USA CN 326943 GSI is a worldwide brand of AGCO Corporation ...

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