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WARNING
Improper installation, adjustment, alteration,
service or maintenance can cause property
damage, injury or death, and could cause
exposure to substances which have been
determined by various state agencies to cause
cancer, birth defects or other reproductive harm.
Read the installation, operating and maintenance
instructions thoroughly before installing or
servicing this equipment.
PLEASE BE SURE TO LEAVE IT WITH THE OWNER WHEN YOU LEAVE THE JOB.
INSTALLATION AND SERVICE MANUAL
ground source heat pump split unit
THIS MANUAL IS THE PROPERTY OF THE OWNER.
NOTE: GS Split Units are Energy Star Rated only when
matched with the appropriate Modine GA Air Handler or Modine
A-Coil. Model ES Split Units are not Energy Star Rated.
WARNING
This unit contains R-410A high pressure refrigerant.
Hazards exist that could result in personal injury
or death. Installation, maintenance, and service
must only be performed by an HVAC technician
qualified in R-410A refrigerant and using proper
tools and equipment. Due to much higher pressure
of R-410A refrigerant, DO NOT USE service
equipment or tools designed for refrigerants other
than R-410A.
IMPORTANT
1. The use of this manual is specifically intended
for a qualified installation and service agency.
A qualified installation and service agency 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.
Inspection On Arrival
1. Inspect unit upon arrival. In case of damage, report it
immediately to transportation company and your local factory
sales representative.
2. Check rating plate on unit to verify that power supply meets
available electric power at point of installation.
3. Inspect unit received for conformance with description of
product ordered (including specifications where applicable).
GEO16-501.4
5H0839240000
January, 2016
model GS/ES
NOTE:
Energy Star only
applies to certain
configurations.
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Table of Contents
Related Manuals for Modine Manufacturing GEO16-501.4
Summary of Contents for Modine Manufacturing GEO16-501.4
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Page 1: General Information
GEO16-501.4 5H0839240000 January, 2016 INSTALLATION AND SERVICE MANUAL ground source heat pump split unit model GS/ES NOTE: Energy Star only applies to certain configurations. NOTE: GS Split Units are Energy Star Rated only when matched with the appropriate Modine GA Air Handler or Modine A-Coil. -
Page 2: Table Of Contents
Maintenance ........19 Modine Manufacturing Company. Refer to the rating plate Replacement Parts . -
Page 3: Model/Serial Number Designations
STACKED UNIT 0 - Standard 1 - Stacked BLOWER SUPPLIER WEEK OF 20 - Morrison MANUFACTURE MOTOR SUPPLIER 00 - None 40 - AO Smith 51 - Genteq 00 - None GEO16-501.4... -
Page 4: Unit Dimensions
7.54 8.32 8.28 8.28 Refrigerant 5.35 4.85 5.38 5.35 5.35 Liquid Line Connection - Sweat Suction Line Connection - Sweat Coil Connection 1" NPT 1" NPT 1" NPT 1" NPT 1" NPT Size (Female Swivel) Approx. Shipping Weight (lbs.) GEO16-501.4... -
Page 5: Unit Location
Examine all fittings, valves, or pipes and remove all dirt or debris before installing unit. GEO16-501.4... -
Page 6: Water Connections
Energy Star. Figure 6.1 - Water Connection Breakdown Factory installed Snap ring in this groove Swivel adaptor hand tighten Brass snap ring Brass spacer Rubber gasket Swivel adaptor hand tighten P/T Port - access for temperature and pressure GEO16-501.4... - Page 7 R-22 system retrofit. If it is impossible to replace the line set, the line set must be flushed prior to the installation of the R-410A split system. It is also critical that the installer clear traps of all residual mineral oils. GEO16-501.4...
- Page 8 See Table 8.1 for recommended line sizes. 7. Use a tee to connect the unit DHW Out Connection to the water heater drain connection. Be sure to install a shutoff valve on the pipe as near to the water heater as possible. GEO16-501.4...
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Page 9: Refrigeration System
Initial system charge includes Split unit charge, 25' line charge, and Air Coil charge. Adjust charge via actual system subcooling and superheat measurements. Additional charge for R-410A is 1.0 oz/ft for 1/2" line and 0.5 oz/ft for 3/8" line GEO16-501.4... -
Page 10: Disconnect Power Supply Before Making Wiring Connections To Prevent Electrical Shock And Equipment Damage
230V operation. If the unit is to be powered with 208V, the transformer must be wired for 208V. A terminal strip with a jumper is provided for easy field configuration (see Figure 11.1). Refer to the wiring diagram provided with the unit for for details. GEO16-501.4... -
Page 11: Thermostat 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, drafts or on external walls. GEO16-501.4... - Page 12 It is supplied with 75’ of lead wire. The condensate alarm is a 24V, normally closed, dry contact. The installer may route the leads back to the unit or run two wires. Figure 12.2 - Condensate Overflow Switch Wiring GEO16-501.4...
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Page 13: Electrical Specifications
ELECTRICAL DATA ELECTRICAL DATA Table 13.1 - Electrical Data Models Supply Voltage 208-230/60/1 Min / Max 197 / 253 Voltage 15.7 19.7 28.1 34.7 37.6 18.5 23.5 33.5 41.8 45.4 30.0 40.0 50.0 70.0 70.0 GEO16-501.4... -
Page 14: Start-Up Procedure
Verify that ALL water control valves are open and allow operating range as shown in Table 16.1, continue with testing. water flow prior to engaging the compressor. Freezing of the coax or water lines can permanently damage the heat pump. GEO16-501.4... -
Page 15: Sequence Of Operation
ACF = Antifreeze Correction Factor from Table 18.2 Supplemental Electric Heat (Field Installed Accessory): Upon receiving a W1 signal from the thermostat, heat is energized. Upon receiving a W2/E signal from the thermostat, electric heat is energized. GEO16-501.4... - Page 16 Min. Entering Air level for proper and reliable unit operation. Rated Entering Air, db/wb 80.6/66.2 68/59 Max. Entering Air, db/wb 110/83 Min. Entering Water Normal Entering Water 50-90 30-60 Max. Entering Water GEO16-501.4...
- Page 17 Scaled / Fouled Source Heat Exchanger - Heating Low / Normal High Scaled / Fouled Source Heat Exchanger - Cooling High High High High ➀ Restricted filter / drier will have symptoms similar to restricted TXV. Check temperature drop across filter drier to verify a restriction. GEO16-501.4...
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Page 18: Physical Data
Nominal Cooling Capacity, Tons ① MATCHING GA/EA AIR HANDLER 1024 / 0024 1036 / 0036 1048 / 0048 1060 / 0060 MATCHING CASED / UNCASED COIL, 3H038824- ➀ Cooling capacity based on 350 CFM , 75/63°F Dry Bulb/Wet Bulb Return Air GEO16-501.4... -
Page 19: Maintenance
A complete replacement checked on a regular basis. Dirty installations are typically the parts list may be obtained by contacting Modine Manufacturing result of deterioration of iron or galvanized piping or components Company. Refer to the rating plate on the appliance for in the system. -
Page 20: Replacement Parts
5H1038033021 5H083431001 5H1028300001 5H083423001 5H1038034021 5H083431001 5H1028300001 5H083423001 5H1038035121 5H083431001 5H1028300003 5H083423001 5H1038036021 5H083431001 5H1028300003 5H083423001 High Pressure Low Pressure Models Filter - Drier Switch Switch 5H0835610000 5H0835620000 5H0834050001 5H0835610000 5H0835620000 5H0834050001 5H0835610000 5H0835620000 5H0834050002 5H0835610000 5H0835620000 5H0834050003 5H0835610000 5H0835620000 5H0834050003 GEO16-501.4... -
Page 21: Troubleshooting
24VAC and can be verified using a voltmeter. The fan, flow center and DHW pump are powered through 240V relays. Operation can be verified using a voltmeter or clamp-on ammeter. 5. After completing these checks, refer to the troubleshooting tables on the next pages. GEO16-501.4... - Page 22 Defective PSC motor Check line voltage at motor with G call. If power at motor, check capacitor. Replace motor or not run capacitor, if defective. Defective ECM Verify line voltage at motor. If power at motor, verify control signals. motor Unit is oversized Verify load calculations and unit selection. GEO16-501.4...
- Page 23 Evacuate and recharge to factory recommended in system charge. Loss of control In cooling mode, verify 24VAC at RV coil and at REV If 24VAC exists, troubleshoot RV and coil. signal terminals. If no control signal, troubleshoot thermostat signals. GEO16-501.4...
- Page 24 Noisy unit Tighten and secure. Piping could be hitting the metal surfaces. Add insulation between the contact. Air flow is noisy Undersized duct work will cause high airflow velocities and noisy operation. Pump cavitation Purge air from closed loop system. GEO16-501.4...
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Page 25: Start Up/Troubleshooting Form
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 poor, use of pressure gauge and refrigerant side analysis may be required. Technician Notes GEO16-501.4... - Page 26 THIS PAGE INTENTIONALLY LEFT BLANK GEO16-501.4...
- Page 27 THIS PAGE INTENTIONALLY LEFT BLANK GEO16-501.4...
- Page 28 Burners High Intensity Infrared Units Sheet Metal Parts All Products As Modine Manufacturing Company has a continuous product improvement program, it reserves the right to change design and specifications without notice. Modine Manufacturing Company 1500 DeKoven Avenue Racine, WI 53403 Phone: 1.877.679.4436 (4GEO)
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