Sterling A0544325 installation manual SMC Wiring Schematic for Chillers with No Pump or Reservoir

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Figure 16

SMC Wiring Schematic for Chillers with No Pump or Reservoir

1L2

Earth Remote

ground interlock by others

Control power

1L1	1C	1T1
1L1		1T1
		1MTR	Compressor
1L2		1T2
1L1		2T1
		2T1
		2MTR	Fan
		2T2

230V

ON/OFF

Jumper

1S-1LT1FU

1	X1
1S
31	"No Flow"
	"No Flow"
	R	2LT
	4 1FLS	5

1T

115V

"Low Refrig

Pres"

R 3LT

5 1PS

2

"High Refrig

Pres"

R 4LT

6	2PS	7

Subpanel

2ground

G 1S-1LT "Power On"

1C	Condensing unit
1C	contactor
G 5LT	"Compressor On"
	2

6	7	8	9	10
		Jumper			1CNTL
1	2	3	4	5

(+)(-)

YEL RED

Type K thermocouple

Legend

Customer wiring/Customer-supplied components Optional components

SMC Series Chillers

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Image 31

Contents SMC-050 to SMC-150 Series SMC Series Chillers Safety Considerations Table of Contents Table of Contents Charts and Figures Models Covered General InformationIntroduction Necessary DocumentsUncrating Your New Chiller Available OptionsIf the Shipment is Not Complete Event of Shipping DamagesIf the Shipment is Incorrect SMC050A Process Pump Curves ReturnsSMC100A Process Pump Curves SMC150A Process Pump Curves SMC-150 25,400 16,000 12A 345 SMC Series Chiller SpecificationsElectrical Connections Chiller InstallationProcess Water Connections Water Reservoir SMC Condenser Air SupplyEthylene Glycol Curve Overhead Piping Overhead Process ConsiderationsChilled Water Circuit Sequence of OperationRefrigeration Circuit Low Pressure Cutout High Pressure CutoutRemote Start/Stop Interlock SMC Component Identification End of unit piping Piping Schematic 1 Pump with ReservoirPiping Schematic 1 Pump without Reservoir Piping Schematic No Pump, No Reservoir SMC Startup Checklist SMC Pre-Startup ChecklistSMC Water Circuit Pressure Drop Table Setting the Alarm Value Setting the Process Water TemperatureMicroprocessor Control SP AL SMC ControlSwitches Indicator LightsOptional Graphic Panel Optional Graphic Panel SMC SeriesTypical SMC Subpanel Routine MaintenanceCondenser Maintenance LubricationTypical SMC Wiring Schematic SMC Wiring Schematic for Chillers with No Pump or Reservoir SMC Series Chillers Problem Possible cause Solution Troubleshooting GuideProblem Possible cause Solution Description SMC Spare Parts ListService Notes Service Notes Milwaukee, WI Sterling/Sterlco5200 West Clinton Avenue 414 Fax 414