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Table of Contents

Model Nomenclature

Safety 4

Storage 5

Pre-Installation 5

Equipment Selection

Air Coil Match-ups

6-7

Air Handler Selection

Installation 9

Water Connections

Ground-Loop Heat Pump Applications

12-14

Ground-Water Heat Pump Applications -
Indoor Compressor Section Only

Water Quality Standards

Lineset Information

Refrigeration Installation

18-25

Hot Water Generator

26-30

Indoor Compressor Section Only

Hot Water Generator
Module Refrigeration Installation
Outdoor Compressor Section Only

29-30

Electrical - Line Voltage

Electrical - Power Wiring

Electrical - HWG Wiring

Electrical - Low Voltage Wiring

33-37

Thermostat Wiring

33-37

CXM Controls

38-40

Unit Starting and Operating Conditions

41-42

Unit Start-Up Procedure

Unit Operating Conditions

44-45

Preventive Maintenance

Troubleshooting 47

CXM Process Flow Chart

Functional Troubleshooting

49-50

Performance Troubleshooting

Troubleshooting Form

Warranty 52

Revision History

GT-PX Indoor Split Series (50YDS Models)

GT-PE Outdoor Split Series (50YPS Models)

Installation, Operation and Maintenance Instructions

Residential Split

Geothermal Heat Pumps

97B0048N02

Revised: 6 Dec., 2011

Содержание 50YDS Series

Страница 1: ...utdoor Compressor Section Only 29 30 Electrical Line Voltage 31 Electrical Power Wiring 32 Electrical HWG Wiring 32 Electrical Low Voltage Wiring 33 37 Thermostat Wiring 33 37 CXM Controls 38 40 Unit...

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Страница 4: ...rant circuit oil will remain in the compressor To avoid leakage of compressor oil refrigerant lines of the compressor must be sealed after it is removed Safety Warnings cautions and notices appear thr...

Страница 5: ...maximum of 3 units high Unit Protection Cover units on the job site with either the original packaging or an equivalent protective covering Cap the open ends of pipes stored on the job site In areas w...

Страница 6: ...heat pumps are rated in the AHRI directory with a speci c indoor coil match GT PX and GT PE models are rated with Carrier Bryant FV4 or FE4 series variable speed air handlers as shown in Table 1a Othe...

Страница 7: ...may be used as a 1 1 2 ton unit if locked into 1st stage operation only If PSC fan is used unit must be locked into either 1st or 2nd stage An ECM fan is required for two stage operation and for AHRI...

Страница 8: ...43 28 27 0 27 28 43 47 35 39 43 32 36 37 28 32 32 24 26 27 750 61 49 39 55 43 33 48 37 27 41 29 20 33 21 17 0 04 27 27 28 24 25 25 21 22 22 18 18 18 15 15 15 950 74 60 48 67 53 40 59 45 33 50 35 25 3...

Страница 9: ...room to make water electrical and line set connections Any access panel screws that would be dif cult to remove after the unit is installed should be removed prior to setting the unit Refer to Figure...

Страница 10: ...ctions Residential Distributor Models Residential models utilize swivel piping ttings for water connections that are rated for 450 psi 3101 kPa operating pressure The connections have a rubber gasket...

Страница 11: ...power and match the ow rate to the unit s requirements The pump speed selection switch is located on the pump s electrical box 50YPS026 and 038 units come standard with one circulator 50YPS049 and 064...

Страница 12: ...ld be avoided due to their potential to leak in earth coupled applications A anged tting should be substituted P T plugs should be used so that ow can be measured using the pressure drop of the unit h...

Страница 13: ...section for more details Loop static pressure will uctuate with the seasons Pressures will be higher in the winter months than during the cooling season This uctuation is normal and should be conside...

Страница 14: ...ol 100 USP food grade Propylene Glycol Ethanol 25 38 29 21 25 25 16 22 20 10 15 14 Must not be denatured with any petroleum based product Fluid Volume gal liters per 100 30 meters Pipe Pipe Size Volum...

Страница 15: ...prevent pump short cycling Discharge water from the unit is not contaminated in any manner and can be disposed of in various ways depending on local building codes e g recharge well storm sewer drain...

Страница 16: ...are installed with a factory or eld supplied manual or electric shut off valve DAMAGE WILL OCCUR if shut off valve is closed during unit operation A high pressure switch must be installed on the heat...

Страница 17: ...hloride nitrate and sulfate compounds All 0 5 ppm Maximum Maximum Allowable at maximum water temperature Chloride Levels 10 C 24 C 38 C Copper Cupronickel 20ppm NR NR 150 ppm NR NR 304 SS 400 ppm 250...

Страница 18: ...essor Section Braze the line set to the service valve stubs as shown in Figure 9 Remove the schraeder cores and heat trap the valves to avoid overheating and damage On installations with long line set...

Страница 19: ...il can act as an insulator on the wall of the coil tubing hindering proper heat transfer and thus reducing system ef ciency and capacity Another important reason to thoroughly ush the line set is remo...

Страница 20: ...nit is operational follow steps F L F First start the existing R 22 system in the cooling mode and close the liquid line valve G Completely pump all existing R 22 refrigerant into the outdoor unit It...

Страница 21: ...this case keeping the cylinder upright 14 Once the liquid refrigerant has been completely recovered switch the recovery machine to vapor recovery so that the R 22 vapor can be completely recovered IMP...

Страница 22: ...the system Open the service valve fully counter clockwise so that the stem will backseat and prevent leakage through the schrader port while it is not in use Start unit in the heating mode and measure...

Страница 23: ...efrigerant line liquid line just outside of the cabinet This location will be adequate for measurement in both modes unless a signi cant temperature drop in the liquid line is anticipated 2 Determine...

Страница 24: ...al Split Add on Coil Fossil Fuel Furnace Installation Compressor Section TXV IN toward Compressor Section TXV IN toward Compressor Section Figure 11a Typical Split Air Handler Installation Insulated L...

Страница 25: ...dy for charging Figure 12 Evacuation Graph Charging The System There are two methods of charging a refrigerant system One method is the total charge method where the volume of the system is determined...

Страница 26: ...the 125 F set point versus the amount of heat that can be generated by the HWG when using the 150 F set point In a typical 50 gallon two element electric water heater the lower element should be turne...

Страница 27: ...PLOY AN APPROVED ANTI SCALD VALVE PART NUMBER AVAS4 AT THE HOT WATER STORAGE TANK WITH SUCH VALVE PROPERLY SET TO CONTROL WATER TEMPERATURES DISTRIBUTED TO ALL HOT WATER OUTLETS AT A TEMPERATURE LEVEL...

Страница 28: ...piping with no less than 3 8 10mm wall closed cell insulation 3 Open both shut off valves and make sure the tank drain valve is closed Water Tank Re ll 1 Close valve 4 Ensure that the HWG valves valv...

Страница 29: ...stall the Add On HWG Kit Locate the HWG as close to the water heater as possible Install the lineset to the desuperheater valves in the outdoor compressor section and the refrigerant line connections...

Страница 30: ...G Bypassed Valve Closed HWG Activated Control Board Circulator HWG Water Out HWG Refr Out HWG Refr In High Voltage HWG Water In Figure 16b Remote HWG Module Capacity Line Set Size 1 2 OD 5 8 OD 3 4 OD...

Страница 31: ...208V or 230V WARNING To avoid possible injury or death due to electrical shock open the power supply disconnect switch and secure it in an open position during installation CAUTION Use only copper co...

Страница 32: ...e Wiring For Use with Outdoor Compressor Section Consult Electrical Table for wire and fuse size All power wiring per local code L2 L1 T2 T1 HWG Module Wiring For Outdoor Compressor Section The HWG mo...

Страница 33: ...is packed inside the compressor section control box Low Water Temperature Cutout Selection The CXM control allows the eld selection of low water or water antifreeze solution temperature limit by clip...

Страница 34: ...Electrical LowVoltage Wiring L2 L1 T2 T1 Low Voltage Connector Figure 22 GT PE Low Voltage Field Wiring Re s i d e n t ia l Split Units 60Hz Puron R ev 6 De c 2011 34...

Страница 35: ...lications to limit water use during rst stage operation For example at 1 5 gpm ton 2 0 l m per kW a model 049 unit requires 6 gpm 23 l m for full load 2nd stage operation but only 4 gpm 15 l m during...

Страница 36: ...correct number of heating and cooling stages Y2 Y1 G R C Y2 Y1 G R C TAH Air Handler T Stat ATP32U03 ATP32U04 Y1 Y2 G R C A L Terminal Blocks in Compressor Section Fan Control Board O O O W W W A C01...

Страница 37: ...1 W2 W E Typical Air Handler Typical T stat CXM Board Compressor Section O G R C L AL1 Y2 Y1 Y Y2 From Compressor Solenoid Valve Figure 28b Typical Thermostat Wiring Single Stage Units 2 Heat 1 Cool F...

Страница 38: ...mp provides eld selection of temperature limit setting for FP1 of 30 F or 10 F 1 F or 12 C refrigerant temperature Not Clipped 30 F 1 C Clipped 10 F 12 C Air coil low temperature limit setting Jumper...

Страница 39: ...ctory for one try Therefore the control will go into lockout mode once the FP1 fault has occurred FP1 lockout code 4 Air coil low temperature FP2 The FP2 thermistor temperature must be below the selec...

Страница 40: ...hen being activated or being removed O and G are direct pass through signals but are monitored by the micro processor R and C are from the transformer AL1 and AL2 originate from the alarm relay A is p...

Страница 41: ...and humidity and or corrosive water or air will adversely affect unit performance reliability and service life Consult 11a for operating limits Cooling Heating Air Limits Min ambient air DB 45 F 7 C 3...

Страница 42: ...lag and strong chemical cleaning agents Some antifreeze solutions may require distilled water Flow Controller pump s Verify that the pump s is wired purged of air and in operating condition System con...

Страница 43: ...between the entering and leaving water and GPM is the ow rate in U S GPM determined by comparing the pressure drop across the heat exchanger to Table 14 f Check air temperature drop across the air co...

Страница 44: ...155 145 155 145 155 473 493 458 478 441 461 7 12 7 12 7 12 10 15 10 15 9 14 13 6 15 6 9 9 11 9 6 2 8 2 16 22 16 22 16 22 Operation Not Recommended Based on 15 methanol antifreeze solution Entering Wa...

Страница 45: ...26 115 125 160 180 133 153 125 145 16 21 17 22 18 23 8 13 6 11 5 10 17 5 19 5 11 9 13 9 6 3 8 3 16 22 16 22 16 22 66 76 69 79 72 82 282 302 285 305 289 309 9 15 9 15 9 15 8 13 8 13 9 14 8 10 6 8 4 6 2...

Страница 46: ...ons In areas with extremely hard water a HWG is not recommended Filters Filters must be clean to obtain maximum performance Filters should be inspected every month under normal operating conditions an...

Страница 47: ...ernal fan relay units with PSC motors only The alarm relay can either be 24VAC as shipped or dry contacts for use with DDC controls by clipping the JW1 jumper Electric heat outputs are 24VDC ground si...

Страница 48: ...ontrol board Yes No No No No No Yes No Yes See HP Fault See LP LOC Fault See FP1 Fault See FP2 Fault See Condensate Fault See Over Under Voltage No fault shown Replace CXM See Unit short cycles See On...

Страница 49: ...ure out of range Too much cold vent air Bring entering air temp within design parameters X Improper temperature limit setting 30 F vs 10 F 1 C vs 12 C Normal airside applications will require 30 F 1 C...

Страница 50: ...re weigh in charge X X Restricted metering device Check superheat and subcooling per chart Replace Low Suction Pressure X Reduced water ow in heating Check pump operation or water valve operation set...

Страница 51: ...1 9 9 22 1 3 16 21 9 9 5 2 48 1 7 1 3 16 21 9 9 22 1 3 16 21 9 9 36 6 7 36 6 7 5 1 5 6 7 21 2035 6625 6 7 21 5 1 5 6 7 21 2035 6625 6 7 21 RROLQJ H SDQVLRQ YDOYH PHWHUV LQ WKH FRROLQJ PRGH DQG E SDVVH...

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Страница 53: ...Notes 53 Residential Split Units 60Hz Puron Rev 6 Dec 2 0 1 1...

Страница 54: ...e management system governing the manufacture of Manufacturer s products is ISO 9001 2000 certi ed LSB Inc 2009 Date Page Description 6 Dec 11 36 ATP32U03 4 Wiring Figure Added 31 Jan 11 18 Refrigeran...

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