Roberts Gorden System Control Installation & Operation Manual Download Page 6 | Manualshive

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Summary of Contents for System Control

Page 1: ...this equipment Installer Please take the time to read and understand these instructions prior to any installation Installer must give a copy of this manual to the owner Owner Keep this manual in a safe place in order to provide your serviceman with necessary information Roberts Gordon LLC 1250 William Street P O Box 44 Buffalo New York 14240 0044 Telephone 716 852 4400 Fax 716 852 0854 Toll Free 8...

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Page 3: ...ions 3 2 4 Burner Electrical Ratings 4 2 5 Outside Air Supply Blower Electrical Ratings 4 2 6 Indicator Lights 4 2 7 Terminal Block Guide 4 SECTION 3 Installation 5 3 1 Preparation 5 3 2 Installing the System Control Panel 5 3 3 Select the External Wiring Diagram for the Installation 5 3 4 System Configuration 6 SECTION 4 Typical External Wiring Diagrams 7 4 1 EP 100 or EP 201 120 V 1 Ø Pump Exter...

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Page 5: ...V 1 Ø Pump 7 Figure 6 External Wiring Diagram ROBERTS GORDON EP 100 EP 201 or EP 301 230 V 1 Ø Pump 8 Figure 7 External Wiring Diagram ROBERTS GORDON EP 203 or EP 303 208 230 V or 460 V 3 Ø Pump 9 Figure 8 External Wiring Diagram ROBERTS GORDON EP 100 or EP 201 120 V 1 Ø Pump with Outside Air Blower 10 Figure 9 System Control Troubleshooting Chart 13 Figure 10 System Control Internal Components Di...

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Page 7: ... many as two pumps provided that the load is not greater than 20 A and 1 Ø For additional electrical specifications see Page 3 Section 2 2 1 3 Electrical Requirements Failure to comply with the installation instructions will invalidate the limited warranty set out on Page 17 Section 7 The cable used for all wiring must be rated for 600 V The system control burners pump and outside air blower must ...

Page 8: ... outside air blower is to be con trolled in parallel with the pump The blower incorpo rates a pressure switch which must be wired in series with the pressure switch on the pump The load relay package may be required with the blower See Page 10 Figure 8 for wiring detail 1 4 4 Pressure Switch A pressure switch P N 90430600K is required for installation on the inlet of the pump This switch is requir...

Page 9: ...al Specifications Supply 120 V 60 Hz 1 Ø 20 A Zone Relay Single pole 20 A 120 Vac resistive Pump Relay Single pole 20 A 120 Vac resistive 1 HP motor rated Thermostats Low voltage 24 Vac 2 3 Pump Specifications Full Load Current Pump Model HP 120 V 1 Ø 208 230 V 1 Ø 208 230 V 3 Ø 460 V 3 Ø EP 100 1 3 4 8 A N A 2 4 A EP 201 3 4 6 6 A N A 3 3 A EP 203 3 4 2 4 A 2 2 A 1 1 A EP 301 2 23 A 12 8 A 11 9 A...

Page 10: ...wer to pump 2 is energized 4 PRESSURE SWITCH 1 when lit indicates that pressure switch 1 is closed When blinking indi cates that the system is in lockout 5 PRESSURE SWITCH 2 when lit indicates that pressure switch 2 is closed When blinking indi cates that the system is in lockout 6 ZONE when lit indicates which zone relay is energized 2 7 Terminal Block Guide Figure 2 is a guide to the terminal ab...

Page 11: ...e case can be rotated 180 3 2 6 When the case is rotated 180 the LED status circuit card needs to be rotated so that the LED s match the upright cover panel Remove the LED sta tus circuit card by squeezing each standoff gently with pliers one at a time until it is loose Rotate the circuit card so that it will line up with the upright cover and re attach to the standoffs The ribbon cable that conne...

Page 12: ...the right side pin only The bottom two jumpers are associated with Pump 2 operation They indicate whether Pump 2 is active and which zones are associated with it Pump 2 can only be associated with Zone 3 and or Zone 4 To enable Pump 2 use a jumper to cover both pins for the zone s that will operate on Pump 2 To disable Pump 2 cover only the right side of the pin of zone 3 and 4 FIGURE 4 System Con...

Page 13: ...for wiring class 2 low voltage circuits must be followed FIGURE 5 External Wiring Diagram ROBERTS GORDON EP 100 and EP 201 120 V 1 Ø Pump DANGER Electrical Shock Hazard Disconnect electric before service or maintenance More than one disconnect switch may be required to disconnect electric to the unit Failure to follow these instructions can result in death or electrical shock System Control R R R ...

Page 14: ...ust be followed System Control R R R R PS 2 PS 1 24 VAC COM 24 VAC COM PS 1 PS 2 W W W W 24 VAC 120 V 1 Ø 60 Hz Ground G L N 120 V 1 Ø 60 Hz PUMP 2 PUMP 1 POWER SUPPLY N L Z1 Z2 Z3 Z4 N N N N L L L L All burners must be connected to Ground Not shown Zone 1 Zone 2 Zone 3 Zone 4 EP 100 EP 201 or EP 301 Pump N L L N TWO PUMP SYSTEM optional Pump 1 may be used for all zones Pump 2 may be used to contr...

Page 15: ...cuits must be followed System Control R R R R PS 2 PS 1 24 VAC COM 24 VAC COM PS 1 PS 2 W W W W 24 VAC 120 V 1 Ø 60 Hz Ground G L N 120 V 1 Ø 60 Hz PUMP 2 PUMP 1 POWER SUPPLY N L Z1 Z2 Z3 Z4 N N N N L L L L All burners must be connected to Ground Not shown Zone 1 Zone 2 Zone 3 Zone 4 EP 203 or EP 303 3 Ø Pump N L L N 208 230 V or 460 V 3 Ø 60 Hz Individual supply for pump rated for total full load...

Page 16: ... 24 VAC 120 V 1 Ø 60 Hz Ground G L N 120 V 1 Ø 60 Hz PUMP 2 PUMP 1 POWER SUPPLY N L Z1 Z2 Z3 Z4 N N N N L L L L All burners must be connected to Ground Not shown Zone 1 Zone 2 Zone 3 Zone 4 Pump Pump N L L N 120 V 1 Ø 60 Hz L N Outside Air Blower Outside Air Blower CR Coil connections to Pump L N Outputs from Control Panel Live out to the outside air blower Live in Typical wiring for Load Relay Pa...

Page 17: ...lower 4 4 1 External Wiring Connection Details The cable used for all the wiring must be rated for line voltage up to 600 V The low voltage circuit conforms with Class 2 separation of circuit requirements National Electrical Codes for wiring class 2 low voltage circuits must be followed ...

Page 18: ...ater will remain in operation until such time as either the heating is turned off by the thermostat lockout conditions occur or after 24 hours of continuous operation After 24 hours of con tinuous operation the system control will shut off and re start to verify no faults exist in the system e After the heating is turned off the pump will continue operation for 2 minutes post purge DANGER Electric...

Page 19: ...fy Rectify Yes No Is the correct contactor selected for the pump Adjust thermostat set point to call for heat Does the pump come on No Yes Does the zone light come on Yes No No Yes Yes No Is external wiring to the pump OK Fit the correct contactor Is the thermostat connected to the correct terminal at the system control Yes Replace fuse with P N 10000212 Is the line power indicator on Check the po...

Page 20: ...de Hazard WARNING Use only genuine ROBERTS GORDON replacement parts per this installation operation and service manual Failure to follow these instructions can result in death electric shock injury or property damage Explosion Hazard DANGER Electrical Shock Hazard Fire Hazard G N L N L N L N L N L N L N L AC POWER IN PUMP 1 ZONE 1 PUMP 2 ZONE 2 ZONE 3 ZONE 4 24 VAC COM Z1W Z2W Z3W Z4W 24 VAC COM Z...

Page 21: ...w fuse rated at 250 mA slow blow 6 1 2 Transformer The transformer on the board cannot be replaced See Page 14 Figure 10 Item 2 6 1 3 Microprocessor Programing The microprocessor may be re programed by a reprograming device Should the microprocessor program become suspect during troubleshooting consult Roberts Gordon LLC DANGER Electrical Shock Hazard Disconnect electric before service or maintena...

Page 22: ...SYSTEM CONTROL INSTALLATION OPERATION AND SERVICE MANUAL 16 ...

Page 23: ...cannot prove original purchase date and required annual maintenance history The data plate and or serial number are removed defaced modified or altered in any way The ownership of the ROBERTS GORDON System Control is moved or transferred This warranty is nontransferable Roberts Gordon LLC is not permitted to inspect the damaged controller and or component parts READ YOUR INSTALLATION OPERATION AND...

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