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Aston Low Sill Series Installation Manual

IM1012CGA 03/15

Installation Information

Water Piping Connections

Hot Water Connections

Electrical

Startup Procedures

Troubleshooting

Preventive Maintenance

COMMERCIAL

Water Source/Geothermal Heat Pump

•

R-410A

Refrigerant

•

Commercial

0.75-6

Ton

A S T O N L O W S I L L S E R I E S

Summary of Contents for GCLC09-12

Page 1: ...3 15 Installation Information Water Piping Connections Hot Water Connections Electrical Startup Procedures Troubleshooting Preventive Maintenance COMMERCIAL Water Source Geothermal Heat Pump R 410A Re...

Page 2: ......

Page 3: ...trical Data 18 Blower Performance Data 18 Wiring Schematics 19 25 Controls 26 34 Unit Startup Notes 35 Unit Startup Checklist Unit Startup Steps 36 Operating Parameters 37 Operating Limits 37 Pressure...

Page 4: ...2 265 277 60 1 9 115 60 1 09 12 Only Unit Control 1 CCM 2 Versatec Microprocessor 4 FX10 Std without Communication Vintage Factory Use Only Non Standard Options SS Standard Air Coil Option 5 AlumiSeal...

Page 5: ...om the packaging if necessary Units in question should also be internally inspected If any damage is noted the carrier should make the proper notation on the delivery receipt acknowledging the damage...

Page 6: ...turn cabinet shown in dimensional views A D E C G B F Flat Top Configuration Overall Cabinet Grille A B C D E F G Width Depth Height Grille Lid Grille Length Grille Width 09 12 in 45 1 10 8 22 5 9 2 3...

Page 7: ...hown in dimensional views D E F C A G B H 80 Slope Top Configuration Overall Cabinet Grille A B C D E F G H Width Depth Height Grille Lid Grille Length Grille Width 09 12 in 45 1 10 8 24 0 9 2 35 0 6...

Page 8: ...N BLOWER ACCESS PANEL COMPRESSOR ACCESS PANEL WATER OUT 1 2 in FPT WATER IN 1 2 in FPT 9 5 17 6 21 7 10 2 8 6 2 1 0 8 2 1 25 4 AIR FLOW 2 1 2 1 1 5 38 4 12 0 26 3 9 6 17 6 21 7 33 1 AIR FLOW 33 6 9 1...

Page 9: ...ptional Hose Kits Handy Box Blower Option Switch Air Filter Left Return Right Return Dimensional Data Controls Detail Flat Top Chassis Control Panel Remove For Access To Control Box Air Filter Air Fil...

Page 10: ...eel Size Dia x W in mm PSC 5 75 x 5 50 146 x 140 5 75 x 5 50 146 x 140 N A Coax and Water Piping Water Connection Size FPT in mm 1 2 12 7 1 2 12 7 1 2 12 7 1 2 12 7 Coax Piping Water Volume gal l 0 15...

Page 11: ...of the shims used Position backplate in desired equipment location To further reduce the operating sound level of the unit 1 8 inch thick rubber matting may be placed under the chassis to eliminate v...

Page 12: ...he supply and return water piping should be run through the wall or floor penetration and terminate with a ball valve The piping material used must comply with all local codes Refer to System Cleaning...

Page 13: ...d flexible hoses with a swivel fitting should be provided Apply Teflon tape or sealant compound to threaded hose fittings Combination shut off balancing valves should be installed on both the supply a...

Page 14: ...pieces 1 2 and 3 into the locations directly opposite the original positions Secure by replacing mounting brackets Note Be sure that louvers on the grille assembly are facing the proper direction whe...

Page 15: ...protect the system from dirty water conditions Dirty water will result in system wide degradation of performance and solids may clog valves strainers flow regulators etc Additionally the heat exchang...

Page 16: ...tremely hard water the owner should be informed that the heat exchanger may require occasional flushing Units with cupronickel heat exchangers are recommended for open loop applications due to the inc...

Page 17: ...lectric Code whichever is applicable 208 Volt Operation All 208 230 units are factory wired for 230 volt operation For 208 volt operation the red and blue transformer wires must be switched Microproce...

Page 18: ...3 4 20 208 230 60 1 187 253 7 7 4 9 25 0 0 6 5 5 6 7 10 15 265 60 1 238 292 7 0 4 5 22 0 0 6 5 1 6 2 10 15 15 208 230 60 1 187 253 9 2 5 9 29 0 2 6 8 5 10 0 15 265 60 1 238 292 7 8 5 0 28 0 2 5 7 5 8...

Page 19: ...LP LP Y HP HP CC CG LO R C LP LP Y Transformer 24V Blue 230V 265V Red 208V Black Yellow Black White Black White 1 Red 2 Black 6 Black 7 Blue 8 Blue 9 Violet 5 Violet 4 Yellow 10 Orange 21 Black 29 Re...

Page 20: ...6 Black 7 Blue 8 Blue 9 Ther mistor d ZDK d d T1 T3 T2 T4 T6 T5 SHUT DOWN 24 V AC IN PUT T6 T4 T5 T2 T1 T3 Overide Shut down J1 Red Violet 4 Yellow 13 Yellow 10 White 20 Orange 14 Orange 21 Black 29 R...

Page 21: ...White White Legend CC Compressor Contactor CO Condensate Overflow DT Damper Terminal Block ES Emergency Shutdown FS Freeze Sensing Device HP High Pressure Switch LP Low Pressure Switch MV Motorized Va...

Page 22: ...ture Switch Switch High Pressure Switch Low Pressure Relay coil Capacitor Thermistor HP LP T 1 Switch Red and Blue wires for 208 volt operation 2 Terminal 2 of the 24V PB is used as L output for Brown...

Page 23: ...nge 14 Orange 21 Orange Black 12 White 18 Red 11 Red 19 Red 17 24VAC Shutdown Red 15 Red 16 NOTE 1 T ST CC Compressor Contactor HP High Pressure Switch LP Low Pressure Switch RV Reversing Valve Coil S...

Page 24: ...ze sensing Field Zone Sensor Wiring 3 Acc 1 output is cycled with the compressor 4 Acc 2 output is cycled with the fan 5 R C Y1 O and G inputs are for use with a wall mounted thermostat A23 A13 A11 A2...

Page 25: ...ON ON ON OFF ON ON OFF ON OFF SW1 4 On SW2 Off Drain pan overflow lockout FS thermistor loop 15 F well 30 F lockout High pressure lockout Low pressure lockout Not used Microprocessor malfunction Not U...

Page 26: ...switches None Unit Mounted Digital Dial Thermostat Remote Mounted Standard Thermostat Versatec Control The Versatec Control is a microprocessor based board that adds the features of emergency shutdown...

Page 27: ...ard that is located in the unit control box This feature is available for either unit mounted controls or optional remote wall mounted thermostat A 9 pin low voltage terminal strip provides all necess...

Page 28: ...e overflow fault recognition delay 30 seconds Low pressure fault bypass delay 2 minutes Freeze detection fault bypass delay 2 minutes Power on delay 5 minutes Normal Control Timing Operational Logic B...

Page 29: ...tes and a minimum on time of two minutes Random Start A delay of 1 to 120 seconds is generated after each power up to prevent simultaneous startup of all units within a building after the release from...

Page 30: ...rough a building automation system or with a user interface Standard Features Anti Short Cycle High Pressure Protection Low Pressure Protection Freeze Detection Loss Of Charge Detection Random Start D...

Page 31: ...arrow keys on the MUI for 5 seconds will put the control into test mode In test mode the random start delay and the compressor fixed on delay time will both be shortened to 5 seconds and the reversing...

Page 32: ...nds prior to the compressor output being energized Accessory Output 2 will be energized with the fan output BO 1 When the corresponding compressor output is turned off the accessory output will be dea...

Page 33: ...Water to Air Welcome Info Status Temps Outputs Settings Maint Alarms Alm History PROFXENV XX 3 8 07 Info Run Mode Auto Eff Occup y Occ Y1 Input OFF Y2 Input OFF G Input OFF O Input OFF Occ Input Occ T...

Page 34: ...History NOTE This FX10 application implements an alarm history which is reset only by cycling power This history shows on the Alm History page Any alarm showing 4 events has occurred more than 4 times...

Page 35: ...ilar in construction to the non fused electrical disconnect The fused disconnect is available in five models with equipment rated fuses to provide additional circuit protection The fuses are panel mou...

Page 36: ...ooling setpoint must be set below room temperature 3 Be sure that the compressor and water control valve or loop pump s are activated 4 Verify that the water flow rate is correct by measuring the pres...

Page 37: ...8 3 0 155 165 415 435 10 14 7 11 7 10 35 45 90 1 5 170 185 435 470 11 18 7 11 8 11 42 50 3 0 174 190 465 500 11 18 7 11 8 11 42 50 110 2 3 3 0 NOTES Cooling performance based on entering air temperatu...

Page 38: ...2554 2424 1305 1341 149 2149 2019 1350 1386 7 6 10 Pressure Drop Model GPM Pressure Drop psi 30 F 50 F 70 F 90 F 110 F 09 1 2 1 0 0 9 0 8 0 7 0 6 1 8 2 3 2 2 2 0 1 9 1 8 2 5 3 8 3 7 3 5 3 3 3 1 12 1 5...

Page 39: ...rmal Low Normal High Normal Normal Low High Water Flow Cooling Low Low Low Low High Normal Low Low Indoor Air Temperature Heating Low Low Low Normal High Normal Normal High Low Indoor Air Temperature...

Page 40: ...tal heating capacity MBtu h LC latent cooling capacity MBtu h S T sensible to total cooling ratio Reference Calculations Heating Calculations Cooling Calculations LWT EWT LAT DB EAT DB LC TC SC S T HR...

Page 41: ...x 500 485 for water antifreeze x T Note DO NOT hook up pressure gauges unless there appears to be a performance problem Line Voltage Loop Open Unit Amp Draw Closed COAX SOURCE HEATING CYCLE ANALYSIS...

Page 42: ...ressure Note On open loop systems if the installation is in an area with a known high mineral content 125 PPM or greater in the water it is best to establish with the owner a periodic maintenance sche...

Page 43: ...0 60 1 14P506 02 N A PSC Motor 265 60 1 14P506 02 N A Blower Housing 53P518 02 N A Blower Capacitor 208 230 60 1 16P002D10 N A Blower Capacitor 265 60 1 16P002D37 N A ECM Motor Blower ECM Motor 115 20...

Page 44: ...44 ASTON LOW SILL SERIES INSTALLATION MANUAL Notes...

Page 45: ...STALLATION MANUAL Revision Guide Pages Description Date By 23 24 43 Updated Wiring Schematics Updated Service Parts Table 11 May 2015 MA All Updated with All Aluminum Air Coils 10 Mar 2014 DS All Firs...

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Page 48: ...Heat Pumps Size 0 75 1 5 Ton Document Type Installation Manual Part Number IM1012CGA Release Date 05 15 2015 The manufacturer has a policy of continual product research and development and reserves th...

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