Modine Manufacturing GEO16-501.4 Installation And Service Manual Download | Manualshive

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18

GEO16-501.4

TECHNICAL DATA

Table 18.1 - Technical Data

➀

Cooling capacity based on 350 CFM , 75/63°F Dry Bulb/Wet Bulb Return Air

Model Size

024

036

048

060

072

Compressor

Two Stage Copeland Ultratech

Coaxial Coil Internal Water Volume, gal.

1.1

1.8

2.1

2.5

2.5

Nominal Coaxial Water Flow Rate, GPM

6.0

9.0

12.0

15.0

18.0

Nominal Cooling Capacity, Tons

①

2.0

3.0

4.0

5.0

6.0

MATCHING GA/EA AIR HANDLER

024

036

048

060

072

MATCHING CASED / UNCASED COIL, 3H038824-

1024 / 0024

1036 / 0036

1048 / 0048

1060 / 0060

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Summary of Contents for GEO16-501.4

Page 1: ...ncy must perform all installation and service of these appliances 2 GS ES Split Units contain the refrigerant R 410A Review the R 410A Material Safety Data Sheet MSDS for hazards and first aid measures 3 Refrigerant charging should only be carried out by an EPA certified air conditioning contractor GEO16 501 4 5H0839240000 INSTALLATION AND SERVICE MANUAL ground source heat pump split unit model GS...

Page 2: ...ce coaxial heat exchanger to reduce mineral buildup and scaling Open loop systems should have the source coaxial coil flushed periodically to maintain peak performance 6 All piping and connections must be made in accordance with local plumbing codes 7 To check most of the Possible Remedies in the troubleshooting guide listed in Tables 22 1 24 1 refer to the applicable sections of the manual WARNIN...

Page 3: ... GS Residential Split Unit ES Commercial Split Unit 3 Unit Configuration UC I Indoor 4 5 6 Nominal Cooling Capacity MBH 024 24 000 Btu hr 036 36 000 Btu hr 048 48 000 Btu hr 060 60 000 Btu hr 072 72 000 Btu hr 7 Development Sequence Designation DS D Current 8 Compressor Configuration CC 2 Two Stage 4 Two Stage w Soft Start 9 10 Supply Voltage SV 03 208 230 60 1 11 Controls Type CT 4 Modine Control...

Page 4: ... 14 26 14 26 F 11 76 10 32 12 18 11 76 11 76 Geo DHW H 2 00 2 00 2 00 2 00 2 00 J 7 14 7 14 7 14 7 14 7 14 K 14 24 14 24 14 24 14 24 14 24 L 21 25 18 62 17 36 21 25 21 25 Control M 11 57 11 57 11 57 11 57 11 57 Refrigerant N 8 28 7 54 8 32 8 28 8 28 O 5 35 4 85 5 38 5 35 5 35 Liquid Line Connection Sweat 3 8 3 8 3 8 1 2 1 2 Suction Line Connection Sweat 5 8 3 4 3 4 7 8 7 8 Coil Connection Size Fem...

Page 5: ...orrect electrical power supplies are available for the unit 2 Each unit requires an independently fused and isolated power supply 3 Check to make sure that the units will have adequate installation clearance for easy access to remove all panels and access all internal components Provide ample area to access external components in and around the unit and system including water valves fittings and a...

Page 6: ...ction rubber gasket and brass spacer kits are shipped with unit To make the connection mate the field supplied male pipe thread fitting against the rubber gasket in the swivel connector and thread the female locking ring onto the pipe threads while maintaining the brass elbow in the desired direction Tighten the connectors by hand and then gently snug the fitting with pliers to provide a leak proo...

Page 7: ...e 12 1 Refrigerant Line Sets Only ACR grade copper tubing should be used Recommended line sets are shown in Table 9 2 Refer to the table for proper line sizing as well as maximum allowable lengths of the line set The table is based on equivalent line length Equivalent Line Length is the combination of the actual lengths of all straight runs and the equivalent length of all bends valves and fitting...

Page 8: ...ot recommended The decreased diameter of the inlet and outlet pipes to the heat pump make it possible for debris build up and completely stop the flow of water to and from the desuperheater 1 Turn off power or fuel supply to the water heater 2 Close cold water supply valve to heater 3 Drain and flush the tank then remove the drain valve 4 Inspect the water heater cold water inlet pipe for a check ...

Page 9: ...n a charge adjustment must be calculated INSTALLATION Equivalent Line Length Air Handler Size A Coil Size Split Unit Size 20 Feet 40 Feet 60 Feet Split Unit Factory Charge oz No HWG Split Unit Factory Charge oz w HWG Suction Liquid Suction Liquid Suction Liquid 024 024 024 5 8 3 8 5 8 3 8 3 4 3 8 93 96 036 036 036 3 4 3 8 3 4 3 8 3 4 1 2 99 103 048 048 048 3 4 3 8 7 8 3 8 7 8 1 2 125 128 060 060 0...

Page 10: ...le on the terminal Press firmly until the screwdriver hits the back stop and opens the terminal see Figure 10 1 2 Remove approximately 3 8 of insulation from the end of the wire and push the stripped wire into the oval hole in the terminal 3 Remove the screwdriver Pull on the wire to make sure that it is securely clamped in the terminal 4 Make sure that the terminal clamp is in contact with bare w...

Page 11: ...Wiring The thermostat wires are connected directly to the appropriate terminal blocks in the electrical box Refer to the unit wiring diagram or control manual for details Thermostat Installation and Wiring The thermostat should be located on an interior wall in a larger room approximately 54 off the floor and away from supply duct drafts DO NOT locate the thermostat in areas subject to sunlight dr...

Page 12: ...and wired to the unit control board When installed the controller will shut down the unit in the event of a plugged condensate drain line Failure to wire the switch to unit may result in damage to the furnace or property The condensate switch accessory assembly 3H0387860001 is available for field installation It is supplied with 75 of lead wire The condensate alarm is a 24V normally closed dry con...

Page 13: ...e 13 1 Electrical Data ELECTRICAL DATA ELECTRICAL DATA Models 024 036 048 060 072 Supply Voltage 208 230 60 1 Min Max Voltage 197 253 FLA 15 7 19 7 28 1 34 7 37 6 MCA 18 5 23 5 33 5 41 8 45 4 MOP 30 0 40 0 50 0 70 0 70 0 ...

Page 14: ...nd water temperatures are within operating limits in Table 16 2 CAUTION Verify that ALL water control valves are open and allow water flow prior to engaging the compressor Freezing of the coax or water lines can permanently damage the heat pump CAUTION To avoid equipment damage DO NOT leave system filled in a building without heat during the winter unless antifreeze is added to the water loop Heat...

Page 15: ...stage airflow The compressor will be limited by a timer that will provide anti cycle protection When a subsequent Y2 signal is received the second stage of the compressor will be energized and the blower will provide second stage airflow two stage units with ECM only Heat Upon receiving a G and Y1 and signal from the thermostat the blower and compressor will be energized On two stage units with EC...

Page 16: ... 1 5 127 136 210 280 11 15 8 14 19 23 20 24 3 0 125 134 250 270 11 15 8 14 9 12 20 24 90 1 5 132 144 360 380 10 14 8 14 18 22 18 22 3 0 130 142 330 350 10 14 8 14 9 12 18 22 Table 16 2 Operating Limits NOTE Limits are acceptable for start up conditions only Min max limits are intended for bringing the space up down to normal temperatures Units are not designed to operate at the min max conditions ...

Page 17: ...ter Flow Cooling Low Low Low Low High High Low Low Indoor Air Load Water Temp Heating Low Low Low Low Normal High High Normal High Low Indoor Air Load Water Temp Cooling Low Low Low Low Normal High Low Low High Indoor Air Load Water Temp Heating High High High Normal High Low Normal Low Low High Indoor Air Load Water Temp Cooling High High High High Low Low High Restricted TXV High Low Low Normal ...

Page 18: ...6 048 060 072 Compressor Two Stage Copeland Ultratech Coaxial Coil Internal Water Volume gal 1 1 1 8 2 1 2 5 2 5 Nominal Coaxial Water Flow Rate GPM 6 0 9 0 12 0 15 0 18 0 Nominal Cooling Capacity Tons 2 0 3 0 4 0 5 0 6 0 MATCHING GA EA AIR HANDLER 024 036 048 060 072 MATCHING CASED UNCASED COIL 3H038824 1024 0024 1036 0036 1048 0048 1060 0060 ...

Page 19: ...cles Closed loop systems must have positive static pressure Coaxial Coil Maintenance Ground Loop Applications Generally water coil maintenance is not needed for closed loop systems However if the piping is known to have high dirt or debris content best practice is to establish a periodic maintenance schedule with the owner so the coil can be checked on a regular basis Dirty installations are typic...

Page 20: ... should be obtained by contacting the local distributor or Modine Sales Representative The sales representative can assist with Return Material Authorizations RMAs and potential warranty claims The following details are required to process parts orders and warranty claims 1 Full description of part required including unit s model number 2 The complete unit s serial number 3 Completed Return Materi...

Page 21: ...stalled in order to check subcooling and superheat 1 Verify that the unit and flow center power supplies are on 2 Verify that all fuses or disconnects switches are intact 3 Inspect unit for obvious defects e g leaking connections loose or damaged wiring etc 4 Verify field inputs and outputs refer to wiring diagram a Thermostat inputs Thermostat inputs are 24VAC signals and can be verified using a ...

Page 22: ...out and reset controller X X Defective compressor overload Ensure that compressor is cool and overload has had sufficient time to reset Ohmmeter shows a resistance across R S terminals and OPEN or infinite resistance between C R or C S terminals If windings are open or overload is faulty replace compressor X X Compressor motor burn out or open windings Ohmmeter shows no resistance or OPEN between ...

Page 23: ...rge X Plugged bi flow filter drier Verify that low pressure cut out occurs in heating mode and not in cooling mode Replace filter if necessary X X Restricted TXV Verify superheat and subcooling values Replace if necessary X X Defective low pressure switch Monitor suction pressure while operating verify low pressure cut out pressure 25 5 psig If defective replace High pressure cutout X Reduced wate...

Page 24: ...sue X X Low refrigerant charge Check superheat and subcooling values Check for refrigerant leaks If leaks found evacuate repair and recharge to factory recommended charge X X Scaled or plugged coaxial coil Check temperature drop across coaxial coil Replace or clean if dirty X Reduced water flow Check flow center operation Troubleshoot flow center Manually open water valve and measure water flow Ad...

Page 25: ...____ Serial ______________________________ Antifreeze ____________ ___Startup ___Troubleshooting Complaint __________________________________________________________ COOLING CYCLE ANALYSIS HEATING CYCLE ANALYSIS Note In order to maintain optimal performance DO NOT hook up pressure gauges during start up procedures When troubleshooting conduct water side analysis first If water side performance is ...

Page 26: ...26 GEO16 501 4 THIS PAGE INTENTIONALLY LEFT BLANK ...

Page 27: ...27 GEO16 501 4 THIS PAGE INTENTIONALLY LEFT BLANK ...

Page 28: ...PONENT PART OF EQUIPMENT MANUFACTURED BY BUYER BUYER S REMEDY FOR BREACH AS LIMITED HEREIN SHALL BE LIMITED TO ONE YEAR FROM DATE OF SHIPMENT FROM SELLER FOR GAS FIRED PRODUCTS INSTALLED IN HIGH HUMIDITY APPLICATIONS AND UTILIZING STAINLESS STEEL HEAT EXCHANGERS BUYER S REMEDY FOR BREACH AS LIMITED HEREIN SHALL BE LIMITED TO TEN YEARS FROM DATE OF SHIPMENT FROM SELLER These warranties are issued o...

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