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WATER SOURCE HEAT PUMP MODELS:
GTB1-A Blower Section
INSTALLATION
GTA3600UD1AA Coil Section
INSTRUCTIONS
GTA4860UD1AA Coil Section
GTADP-3642-B Coil Section
GTADP-3642-C Coil Section
GTADP-4860-C Coil Section
GTC36S2-ADCX Compressor Section
GTC48S2-ADCX Compressor Section
GTC60S2-ADCX Compressor Section
GTC36S2-ADNX Compressor Section
GTC48S2-ADNX Compressor Section
GTC60S2-ADNX Compressor Section
MIS-2830
Earth Loop Fluid
Temperatures 25° - 110°
Ground Water Temperatures 45° - 75
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CONTENTS Getting Other Informations and Publications ..............3 Sequence of Operation Blower ............................................................................ 38 General Information Geo-Trio (GT Series) Part / Full Load Cooling .......................................................... 38 Water Source Nomenclature .................................................... 4 Part / Full Load Heating .......................................................... 38 Blower Conversion & Line
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GETTING OTHER INFORMATION AND PUBLICATIONS These publications can help you install the air FOR MORE INFORMATION, CONTACT conditioner or heat pump. You can usually find these THESE PUBLISHERS: at your local library or purchase them directly from the publisher. Be sure to consult current edition of each ACCA Air Conditioning Contractors of America standard. 1712 New Hampshire Avenue Washington, DC 20009 National Electrical Code .......................ANSI/NFPA 70 Telephone: (202) 48
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Geo-Trio™ GT Series Geothermal / Water Source Heat Pump Nomenclature “A” Coil Section GT A 3600 UD 1 A A 3600 (3 Ton) Revision Geo-Trio A = E Coated Coils 4860 (4 & 5 Ton) Level Option “A” = Coil Section Series Fossil Fuel “A” Coil Section GT ADP – 3642 – B Geo-Trio B = 17.50" Wide Furnace 3642 (3 Ton) C = 21.00" Wide Furnace 4860 (4 & 5 Ton) ADP = Advanced Distributor Products Blower Section GT B 1 – A Geo-Trio Revision A = 230 Volt 1-Phase Level B = Blower Section Option Compressor Sec
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TABLE 1 — INDOOR BLOWER PERFORMANCE (RATED CFM) Mild Climate Full Load Minimum Air MODEL Rated MAX Continuous Operation Part Load Electric Heat Airflow Filter Face ESP ESP Airflow in Part Load Airflow Airflow Area Ft.2 Cooling GTC36S2 0.15 0.60 600 700 850 1200 1300 2.6 GTC48S2 0.20 0.60 750 875 1075 1500 1600 3.2 GTC60S2 0.20 0.60 900 1050 1300 1800 1800 3.6 Motor will automatically step through the various airflows with thermostatic control ESP = External Stat
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TABLE 4 WATER COIL PRESSURE DROP Model GTC36S2 GTC48S2 GTC60S2 GPM PSID Ft. Hd. PSID Ft. Hd. PSID Ft. Hd. 3 0.1 0.23 4 0.5 1.15 0.9 2.08 5 1.2 2.77 1.4 3.23 6 1.7 3.92 2.3 5.31 7 2.3 5.31 3.2 7.38 2 4.61 8 3.1 7.15 4.1 9.46 2.5 5.77 9 4.1 9.46 5.1 11.77 3.2 7.38 10 6.1 14.07 3.9 9.00 11 7.1 16.38 4.7 10.84 12 8.2 18.92 5.5 12.69 13 9.4 21.69 6.4 14.76 14 10.6 24.45 7.3 16.84 15 8.1 18.69 16 9 20.76 17 9.9 22.84 18 Manual 2100-537I Page 6 of 54
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Manual 2100-537I Page 7 of 54 FIGURE 1A – GTA****UD1AA A-COIL SECTION DIMENSIONS GTA Coil Dimensions If Used Without Cabinet COIL +.125 16.13 HEIGHT -.000 30" COATED DRAIN PAN +.125 2.25 -.000 +.125 28.25 DEPTH -.000 +.125 20.50 WIDTH -.000 SECONDARY DRAIN HOLE PRIMARY DRAIN HOLE MIS-2876 A 22" 27 15/16" 19 15/16" 2 3/16" 1 1/2" CONDENSATE HORIZ. MAIN DRAIN K.O. OVERFLOW WIRES HORIZ. OVERFLOW K.O. 3 1/2" 1 13/16" SUCTION CONNECTION 21 5/8" 17 5/8" LIQUID CONNECTION 15 11/16" 13 5/8" MAIN DR
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FIGURE 1B – GTADP****-* FOSSIL FUEL ADP COIL SECTION DIMENSIONS FIGURE 1B - GTADP****-* FOSSIL FUEL ADP COIL SECTION DIMENSIONS GTADP-3642-C DIMENSION GTADP-3642-B GTADP-4860-C "A" 17 5/8" 21 1/8" "B" 25 1/2" 27 1/2" "C" 7 1/4" 6 3/4" "D" 2 1/8" 2 1/2" "E" 3 7/8" 4 1/4" "F" 13 7/8" 16 7/8" "G" 15 5/8" 18 5/8" "A" 21 1/4" 3/4" 3/4" 3/4" TYP TYP TYP SUCTION "C" CONNECTION 5 1/4" "B" LIQUID "E" CONNECTION "D" OVERFLOW OVERFLOW MAIN DRAIN MAIN DRAIN 6 1/16" 1 5/8" "F" "G" MIS-311
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FIGURE 1C – GTB1-A BLOWER SECTION DIMENSIONS 16 3/8" 30" 13 1/4" LOW VOLTAGE ENTRANCE HIGH VOLTAGE K.O. FOR 3 5/8" REMOTE APPLICATIONS ONLY 22" 1 1/4" 24 9/16" 18 13/16" 21" 15 5/8" OPTIONAL SIDE RETURN OPENING ON BOTH SIDES 15" 2 7/8" 3 5/16" 24" MIS-2819 1 1/2" Manual 2100-537I Page 9 of 54
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Manual 2100-537I Page 10 of 54 FIGURE 1D – GTC**S2-D COMPRESSOR SECTION DIMENSIONS MODEL DIM. A DIM. B GTC36S2 21" 4 1/8" GTC48S2 20" 3 7/8" GTC60S2 18 1/2" 3 3/4" 30" 22 1/16" B WATER OUT 1 15/16" 1 3/4" LOW VOLTAGE WIRE ENTRANCE SUCTION LINE 3" DESUPERHEATER WATER OUT HIGH VOLTAGE UNIT 23 1/16" POWER ENTRANCE A DESUPERHEATER 16 15/16" WATER IN 16 1/16" HIGH VOLTAGE OPTIONAL 12 1/4" LIQUID LINE FLOW CENTER WIRE ENTRANCE 9 5/8" 1 7/8" 8" 6 15/16" WATER IN 4 13/16" 2 1/2" MIS-2820 A
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Manual 2100-537I Page 11 of 54 FIGURE 1E – ASSEMBLED UPFLOW / COUNTERFLOW APPLICATION DIMENSIONS SECURE SECTIONS TOGETHER TOP DUCT OUTLET FLANGE USING BOLT PART #1012-015 AND WASHER PART #1012-109 MODEL DIM. A 19 13/16" GTC36S2 39 7/16" GTC48S2 40 15/16" GTC60S2 41 15/16" 27 15/16" TOP MAIN DRAIN OUTLET REFRIGERANT OVERFLOW DRAIN OUTLET 3/4" 31 1/4" CONNECTIONS WATER OUT DESUPERHEATER OUTLET 21 5/8" LOW VOLTAGE DESUPERHEATER INLET 61 5/8" WATER IN 59 11/16" LOW VOLTAGE 65 5/8" HIGH 23" 55"
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Manual 2100-537I Page 12 of 54 FIGURE 1F – HORIZONTAL APPLICATION DIMENSIONS Evaporator and Blower in Horizontal Position Blower (Remote Compressor Section) Section Top View Horiz. Support Bracket NOTE: Requires horizontal 30" GTHZ1 High Voltage drain pan kit 1 Horizontal Entrance 31 " 4 Drain Pan Low Voltage Evaporator 1 Model GTHZ-1 1 " (Req'd) Entrance 4 Section 1 3 " 2 3 1 " Low Voltage 4 3 Entrance 18 " 8" 4 3 43 " 8 7 3 27 " 8 " 24" 21" 4 Main Drain Outlet Overflow Drain 7 19 " Outlet
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Blower Air Blower Air Manual 2100-537I Page 13 of 54 FIGURE 2A – UPFLOW & COUNTERFLOW DUCTING CONFIGURATIONS Supply Return Upflow Counterflow Position Position Secondary Secondary Drain Drain Main Drain Main Drain 7/8" Line Set Evap. Coil 7/8" Line Set Evap. Coil Cond. Coil Cond. Coil Water Out Water Out 3/8" Line Set 3/8" Line Set Desuper. Desuper. Water Out Water Out Control Panel Control Panel Desuper. Desuper. Water In Water In Cond. Coil Cond. Coil Water In Water In Return Return
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Blower Air Blower Air < > Manual 2100-537I Page 14 of 54 FIGURE 2B – HORIZONTAL & COUNTERFLOW DUCTING CONFIGURATIONS Supply Return Counterflow Upflow Return Horizontal, Left Discharge Position Position Supply Return Evap. Coil Refrigerant Connections Blower Air Secondary Evap. Coil Secondary Evap. Coil Drain Drain Main Drain Main Drain Blower in Refrigerant Main Drain Shipped Position Connections Return Return Secondary Drain NOTE: Requires horizontal drain pan kit Model GTHZ-1 Blower in S
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BLOWER LINE POWER CONNECTION BLOWER CONVERSION FROM UPFLOW TO COUNTERFLOW OR HORIZONTAL Power connections for the GTB1-A can be made two RIGHT DISCHARGE different ways. Following the directions on Figure 3 for counterflow and The first is in “stacked” configurations, the blower can horizontal right discharge, the indoor blower must be be plugged into an electrical connection from the bottom removed and turned over in its mounting configuration. of the compressor (GTC**S2 Model Unit). Thi
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Manual 2100-537I Page 16 of 54 FIGURE 3 – BLOWER CONFIGURATIONS REMOVE (2) SCREWS SECURING BLOWER AND SLIDE BLOWER 2 OUT OF CABINET REMOVE (2) SCREWS FROM FRONT FILL PLATE AND SLIDE 1 BACK FILL PLATE OUT OF CABINET REMOVE BOTH FRONT PANELS 3 4 DISCARD BACK FILL PLATE 5 ROTATE BLOWER AND SLIDE 6 INTO BOTTOM OFFSETS REINSTALL FRONT FILL PLATE REINSTALL (2) SCREWS REINSTALL BOTH SECURING BLOWER TO MIS-2842 A FRONT FILL PLATE FRONT PANELS
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Manual 2100-537I Page 17 of 54 FIGURE 4 – BLOWER POWER CONNECTIONS MOUNT FIELD SUPPLIED SINGLE GANG ELECTRICAL BOX ALIGNED OVER HIGH VOLTAGE K.O. PLUG BLOWER POWER CONNECTOR INTO POWER PLUG PROTRUDING THROUGH REMOVE SUPPLIED CONDENSER BASE FOR BOTH WIRE HARNESS AND UPFLOW AND COUNTERFLOW STRAIN RELIEF BUSHING STACKED CONFIGURATIONS FROM BLOWER POWER PLUG. ROUTE WIRE HARNESS THROUGH STRAIN RELIEF AND INTO ELECTRICAL BOX TO MAKE FIELD POWER CONNECTION MIS-2843
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APPLICATION AND LOCATION GENERAL DUAL FUEL HEATING / COOLING Dual fuel is the combination of a fossil fuel furnace, normally The GT Series Geothermal Heat Pumps feature three sections gas or oil, with a heat pump. In milder weather the heat pump (GTA - Air Coil Section, GTB - Blower Section and GTC - uses the available outdoor warmth and will transport that heat Compressor Section) which cover upflow (bottom, right/left- into your house cheaper than burning gas or oil. When it gets side
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CAUTION NEVER OPERATE MORE THAN 10KW STRIP HEAT WITH GEOTHERMAL HEAT PUMP OPERATIONAL. USE ADDITIONAL KW STRIP HEAT BEYOND 10KW ONLY IN EMERGENCY HEAT MODE. TABLE 5 ELECTRICAL HEAT SPECIFICATIONS Maximum Field Minimum 240 Volts 208 Volts For Use Heater Heater HACR Wire Circuit With Package Package Circuit Size Ampacity KW Amps BTUH KW Amps BTUH Breaker + 8604-080 240/208-60-1 5.0 20.8 17,065 3.75 18.0 12,799 26.0 30 #10 All 8604-081 240/208-60-1 9.8 40.8 33,447 7.35 35.3 25,
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TABLE 6 FILTER SIZING CHART Airflow CFM Airflow CFM Airflow CFM Filter Nominal Size Surface Area FT2 Filter Type Capability @ 300 Capability @ 500 Capability @ 625 FPM Velocity FPM Velocity FPM Velocity 10" X 20" X 1" 1.39 415 12" X 20" X 1" 1.67 500 14" X 20" X 1" 1.94 580 14" X 25" X 1" 2.43 730 1" Fiberglass 16" X 20" X 1" 2.22 670 Not Recommended Not Recommended Disposable 16" X 25" X 1" 2.78 840 20" X 20" X 1" 2.78 840 20" X 25" X 1" 3.47 1050 24" X 24" X 1" 4.00 1200 10" X 20" X 2"
