Carrier 50YER036 Installation, Operation And Maintenance Instructions Download

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Table of Contents

Model Nomenclature

General Information

4-5

Storage

Pre-Installation

Unit Physical Data

Dimensional Data

Water Connection Installation

Ground-Loop Applications

9-10

Ground-Water Applications

11-12

Water Quality Standards

Load Side Plumbing Installation

Hot Water Generator

Electrical - Line Voltage

Electrical - Low Voltage

18-19

Electrical - Accessories

Water Valve Wiring

Wiring Diagrams

20-21

CXM Controls

Safety Features - CXM Controls

23-24

Unit Commissioning

& Operating Conditions

Unit & System Checkout

Unit Start Up Procedure

26-27

Operating Pressures

27-28

Preventative Maintenance

Refrigeration Troubleshooting Form

Warranty

Revision History

GT-PW Water-to-Water Series (50YER Models)

Installation, Operation and Maintenance Instructions

Residential Water-to-Water

Geothermal Heat Pumps

97B0069N01

Revised 1 July, 2010

Summary of Contents for 50YER036

Page 1: ...oltage 17 Electrical Low Voltage 18 19 Electrical Accessories 19 Water Valve Wiring 19 Wiring Diagrams 20 21 CXM Controls 22 Safety Features CXM Controls 23 24 Unit Commissioning Operating Conditions 24 Unit System Checkout 25 Unit Start Up Procedure 26 27 Operating Pressures 27 28 Preventative Maintenance 29 Refrigeration Troubleshooting Form 30 Warranty 31 Revision History 34 GT PW Water to Wate...

Page 2: ......

Page 3: ...l Water to Water Copper Cupro Nickel Without Hot Water Generator C N Standard D P C CXM 3 208 230 60 1 50 C 0 3 6 D C 3 2 1 Unit Size Voltage Controls 1 Single Pack Domestic Packaging 1 Current Revision 036 2 Current Revision 060 120 Revision Level 036 Prefix 060 120 C Copper N Cupro Nickel Load Heat Exchanger Option Source Heat Exchanger Options ...

Page 4: ...ion process The mechanical components and filters will quickly become clogged with construction dirt and debris which may cause system damage WARNING WARNING CAUTION Safety Warnings cautions and notices appear throughout this manual Read these items carefully before attempting any installation service or troubleshooting of the equipment DANGER Indicates an immediate hazardous situation which if no...

Page 5: ...fteen 15 days of shipment Storage Equipment should be stored in its original packaging in a clean dry area Store units in an upright position at all times The stack limit for 50YER 036 060 and 120 is three Unit Protection Cover units on the job site with either shipping packaging vinyl film or an equivalent protective covering Cap the open ends of pipes stored on the job site In areas where painti...

Page 6: ...ction Size Source Load 1 Swivel 1 1 2 FPT HWG in 1 Swivel 1 2 FPT Weight Operating lbs kg 348 158 360 163 726 329 Weight Packaged lbs kg 373 169 385 175 770 349 Water Volume Source Gallons Liters 0 96 3 64 1 33 5 04 2 65 10 02 Dual isolated compressor mounting Balanced port expansion valve TXV Insulated Source and Load Water Coils standard Insulated Refrigerant Circuit standard Compressor on green...

Page 7: ... Water Out H HWG Return In J HWG Water Out K Low Voltage L External Pump M Power Supply 036 060 in 30 6 25 4 33 2 7 9 4 19 4 24 5 27 9 30 4 20 9 22 9 30 9 cm 77 8 64 5 83 8 6 9 23 9 49 3 62 2 70 9 77 2 53 1 58 2 78 5 120 in 30 6 52 9 37 25 2 25 2 30 1 30 1 34 9 34 9 29 9 31 9 34 4 cm 77 8 134 4 94 64 0 64 0 76 5 76 5 88 6 88 6 75 9 81 0 87 4 Notes 1 Front side access is preferred for service acces...

Page 8: ...These units are not designed for outdoor installation Locate the unit in an INDOOR area that allows enough space for service personnel to perform typical maintenance or repairs The installation of water source heat pump units and all associated components parts and accessories which make up the installation shall be in accordance with the regulations of ALL authorities having jurisdiction and MUST...

Page 9: ...el in the flush cart tank to drop below the pump inlet line to avoid air being pumped back out to the earth loop 3 Try to maintain a fluid level in the tank above the return tee so that air cannot be continuously mixed back into the fluid Surges of 50 psi 345 kPa can be used to help purge air pockets by simply shutting off the return valve going into the flush cart reservoir This dead heads the pu...

Page 10: ...t Selection in this manual Table 2 Antifreeze Percentages by Volume Table 1 Approximate Fluid Volume gal per 100 of Pipe Type Minimum Temperature for Low Temperature Protection 10 F 12 2 C 15 F 9 4 C 20 F 6 7 C 25 F 3 9 C Methanol 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...

Page 11: ...nated in any manner and can be disposed of in various ways depending on local building codes e g recharge well storm sewer drain field adjacent stream or pond etc Most local codes forbid the use of sanitary sewer for disposal Consult your local building and zoning department to assure compliance in your area The pump should be sized to handle the home s domestic water load typically 5 9 gpm 23 41 ...

Page 12: ...ent CAUTION Many units are installed with a factory or field 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 pump side of any field provided shut off valves and connected to the heat pump controls in series with the built in refrigerant circuit high pressure switch to disable compres...

Page 13: ...as hydroxide chloride nitrate and sulfate compounds All 0 5 ppm Maximum Maximum Allowable at maximum water temperature Chloride Levels 50 F 10 C 75 F 24 C 100 F 38 C Copper 20ppm NR NR CuproNickel 150 ppm NR NR 304 SS 400 ppm 250 ppm 150 ppm 316 SS 1000 ppm 550 ppm 375 ppm Titanium 1000 ppm 550 ppm 375 ppm Erosion and Clogging Particulate Size and Erosion All 10 ppm of particles and a maximum velo...

Page 14: ...or vent system to equalize pressure and remove air Swimming Pool Hot Tub Applications Load coax should be isolated with secondary heat exchanger constructed of anti corrosion material in all chlorine bromine fluid applications Potable Water Applications Load coax material should always be vented double walled for use in potable water systems Insure load water flow in high temperature heating appli...

Page 15: ...mm OD 15 meters maximum Typically a single tank of at least 52 gallons 235 liters is used to limit installation costs and space However a dual tank as shown in Figure 4 is the most efficient system providing the maximum storage and temperate source water to the HWG It is always advisable to use water softening equipment on domestic water systems to reduce the scaling potential and lengthen equipme...

Page 16: ...hing water through the HWG as In Figures 3 or 4 2 Insulate all HWG water 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 Refill 1 Close valve 4 Ensure that the HWG valves valves 2 and 3 are open Open the cold water supply valve 1 to fill the tank through the HWG piping This will purge air from the HWG...

Page 17: ... the National Electric Code whichever is applicable Power Connection Line voltage connection is made by connecting the incoming line voltage wires to the power distribution block or compressor contactor refer to unit wiring diagram Consult the electrical data table Table 4 for correct fuse size 208 Volt Operation The units are factory wired for 230 Volt The transformer may be switched to 208V oper...

Page 18: ...e sensing temperature associated with thermistor FP1 Note that the FP1 thermistor is located on the refrigerant line between the coaxial heat exchanger and expansion device TXV Therefore FP1 is sensing refrigerant temperature not water temperature which is a better indication of how water flow rate temperature is affecting the refrigeration circuit The factory setting for FP1 is for systems using ...

Page 19: ...is not operating A slow closing valve may be required to help reduce water hammer Figure 5 shows typical wiring for a 24VAC external solenoid valve Figures 6 or 7 illustrate typical slow closing water control valve wiring for Taco 500 series ClimateMaster P N AVM and Taco SBV series valves Slow closing valves take approximately 60 seconds to open very little water will flow before 45 seconds Once ...

Page 20: ...Water to Water 50YER Series Puron Rev 1 July 2010 20 50YER036 50YER060 Electrical Wiring Diagram 96B0116N01 ...

Page 21: ...21 Water to Water 50YER Series Puron Rev 1 July 2010 50YER120 Electrical Wiring Diagram 96B0117N07 ...

Page 22: ...oved from the CXM control DIP switch 1 Unit Performance Sentinel Disable provides field selection to disable the UPS feature On Enabled Off Disabled DIP switch 2 Stage 2 Selection provides selection of whether compressor has an on delay If set to stage 2 the compressor will have a 3 second delay before energizing Also if set for stage 2 the alarm relay will NOT cycle during test mode On Stage 1 Of...

Page 23: ...er up it will be considered a low pressure loss of charge fault The low pressure switch input is bypassed for the initial 120 seconds of a compressor run cycle Low pressure lockout code 3 Water coil low temperature FP1 The FP1 thermistor temperature must be below the selected low temperature limit setting for 30 continuous seconds during a compressor run cycle to be recognized as a FP1 fault The F...

Page 24: ... will be energized On all subsequent compressor calls the random start delay is omitted Safety Features Unit Commissioning Operating Conditions Environment This unit is designed for indoor installation only Do not install in an area subject to freezing or where humidity levels can cause cabinet condensation Power Supply A voltage variation of 10 of nameplate utilization voltage is acceptable Opera...

Page 25: ...ipment for proper setpoints and operation q Standby Pumps Verify the standby pump is properly installed and in operating condition q System Controls Verify system controls function and operate in the proper sequence q Low Water Temperature Cutout Verify low water temperature cut out controls are provided for the outdoor portion of the loop or operating problems will occur q System Control Center V...

Page 26: ...it still will not operate contact a trained service technician to ensure proper diagnosis and repair of the equipment WARNING When the disconnect switch is closed high voltage is present in some areas of the electrical panel Exercise caution when working with energized equipment WARNING Verify ALL water controls are open and allow water flow prior to engaging the compressor Freezing of the coax or...

Page 27: ...8 9 14 18 25 19 28 7 14 60 121 132 355 360 9 14 18 25 7 16 70 138 152 367 373 9 14 18 25 8 18 80 148 161 377 381 12 23 18 25 9 20 2 3 50 103 111 320 325 8 14 14 21 13 18 7 14 60 118 129 328 334 8 14 14 21 8 16 70 132 147 336 344 12 20 14 21 8 18 80 140 172 343 353 19 29 14 21 9 20 3 0 50 94 110 305 314 9 13 12 18 8 12 7 15 60 112 121 313 319 9 13 12 18 8 16 70 121 146 317 329 12 20 12 18 9 18 80 1...

Page 28: ...6 18 90 99 108 329 341 6 13 7 11 6 18 100 102 110 384 401 6 13 7 11 6 17 120 106 114 475 491 6 13 7 11 5 17 3 0 60 95 107 215 256 6 14 7 15 5 9 7 19 80 101 110 310 326 6 14 7 15 7 19 90 103 112 329 376 6 14 7 15 6 19 100 105 114 399 414 6 14 7 15 6 18 120 108 118 476 524 6 14 7 15 5 17 80 1 5 60 109 129 225 237 14 26 5 14 15 21 8 18 80 123 138 314 327 14 26 5 14 8 19 90 130 142 343 357 10 15 5 14 ...

Page 29: ...iodic coil cleaning be necessary use standard coil cleaning procedures which are compatible with both the heat exchanger material and copper water lines Generally the more water flowing through the unit the less chance for scaling However flow rates over 3 gpm per ton 3 9 l m per kW can produce water or debris velocities that can erode the heat exchanger wall and ultimately produce leaks Hot Water...

Page 30: ...ate x Temp Diff x Fluid Factor s e t o N n o i t p i r c s e D Water to Water units only Water to Water units only Water to Water units only Water to Water units only Temp Diff Water to Water units only Temp Diff Heating Cooling Refrigeration Troubleshooting Form Water to Water Units COMPRESSOR DISCHARGE SUCTION HWG EXPANSION VALVE FILTER DRIER REVERSING VALVE HEATING POSITION COOLING POSITION 1 C...

Page 31: ...oltage conditions 7 Products subjected to accident misuse negligence abuse fire flood lightning unauthorized alteration misapplication contaminated or corrosive air or liquid supply operation at abnormal air or liquid temperatures or flow rates or opening of the refrigerant circuit by unqualified personnel 8 Mold fungus or bacteria damages 9 Corrosion or abrasion of the product 10 Products supplie...

Page 32: ...Notes Water to Water 50YER Series Puron Rev 1 July 2010 32 ...

Page 33: ...Notes 33 Water to Water 50YER Series Puron Rev 1 July 2010 ...

Page 34: ...g and Operating Conditions Updated 29 April 09 All First Published 97B0069N01 97B0069N01 ISO 9001 2000 Certified Quality First Always 7300 S W 44th Street Oklahoma City OK 73179 Phone 405 745 6000 Fax 405 745 6058 The Manufacturer works continually to improve its products As a result the design and specifications of each product at the time for order may be changed without notice and may not be as...

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