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Nibe CLIMATEMASTER Tranquility TFC 036, Installation, Operation & Maintenance Instructions Manual

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Nibe CLIMATEMASTER Tranquility TFC 036 Installation, Operation & Maintenance Instructions Manual Download Page 1

97B0091N01

TFC 036-060 

Installation, Operation &

Maintenance Instructions

Created: February 22, 2022

Tranquility

® 

Fluid Coolers

 

(TFC) Series IOM

Table of Contents

Model Nomenclature: for Fluid Cooler 

3

Safety 4
General Information 

5

Unit Physical Data 

6

Dimensional Data 

7

Unit Application and Fluid Connections 

8-10

Installation 11-12
Flushing the Loop 

13-1

5

Loop Antifreeze Protection 

16-17

Optional Internal Pump 

18

Water Quality Standards 

19-20

Earth Ground Resistance Measurement 

21

Electrolysis Voltage and Current 

22

Electrical – Line Voltage 

23

Electrical – Field Wiring Installation 

24

Electrical – Low Voltage Wiring 

25

DIP Switch Settings 

25

AXM Controls 

26

TFC with Pump Wiring Diagram 

27

TFC with Flow Switch Wiring Diagram 

28

Unit Starting and Operating Checklist 

29

Unit Start-Up Procedure 

29

Performance Data – TFC036 

30

Performance Data – TFC060 

31

Preventive Maintenance 

32

Troubleshooting 33

Revison History 

36

Summary of Contents for CLIMATEMASTER Tranquility TFC 036

Page 1: ...p Antifreeze Protection 16 17 Optional Internal Pump 18 Water Quality Standards 19 20 Earth Ground Resistance Measurement 21 Electrolysis Voltage and Current 22 Electrical Line Voltage 23 Electrical Field Wiring Installation 24 Electrical Low Voltage Wiring 25 DIP Switch Settings 25 AXM Controls 26 TFC with Pump Wiring Diagram 27 TFC with Flow Switch Wiring Diagram 28 Unit Starting and Operating C...

Page 2: ...Tranquility Fluid Cooler 60 Hz Rev Feb ru ar y 22 2022 Geothermal Heating and Cooling 2 This page intentionally left blank ...

Page 3: ... 10 11 12 13 14 036 UNIT SIZE 060 VOLTAGE CONTROLS REVISION LEVEL Future Pump Options Future T 1 T Tranquility SERIES FC 3 FC Fluid Cooler CONFIGURATION Heat Exchanger Options S 15 S Standard Standard 2 Standard High Head Pump with Check Valve C Flow Switch N NOT APPLICABLE Future N NOT APPLICABLE A A Ecoated UV COAT B Standard N NOT APPLICABLE Outdoor G 208 230 60 1 2 ...

Page 4: ... avoid equipment damage DO NOT use these units as a source of heating or cooling during the construction process The mechanical components and filters can quickly become clogged with construction dirt and debris which may cause system damage and void product warranty WARNING WARNING This product can expose you to chemicals including Carbon Black which is known to the State of California to cause c...

Page 5: ... Equipment should be stored in its original packaging in a clean dry area Store units in an upright position at all times Stack units a maximum of 2 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 where painting plastering and or spraying has not been completed ...

Page 6: ...al Fan Motor Fan Size in 20 25 Water Connection Size FPT in 1 Swivel Air Coil Dimensions H x W 35 x 29 Rows 3 FPI 12 Weights Operating lbs kg 304 138 315 143 Packaged lbs kg 349 158 360 163 Total Fluid Volume gal L 7 4 28 Unit Maximum Water Working Pressure Max Pressure PSIG kPa Pump Option 145 1000 Flow Switch Option 160 1103 ...

Page 7: ...mensional Data A B TOP VIEW E C F FRONT VIEW 13 4 7 9 15 3 3 5 BOTTOM VIEW Model Overall Cabinet Electrical Knockouts A B C E F Width Depth Height 1 2 3 4 036 in 36 5 36 5 44 1 12 1 14 3 cm 92 7 92 7 112 0 30 7 36 3 060 in 36 5 36 5 45 9 12 1 14 3 cm 92 7 92 7 116 6 30 7 36 3 ...

Page 8: ...these applications The first option has an internal flow switch inside the unit to validate flow in the system The water source heat pump will contain a pump to circulate fluid throughout the system when a call is given from an indoor thermostat The second option provides an internal pump in the TFC in installations where the water source heat pump does not have a circulator As water circulates in...

Page 9: ...nual heat rejection and not for peak temperature reduction For instance if a hot loop condition is present in the system most of the annual rejection by the fluid cooler occurs during fall winter and spring This means the unit will be operating in space heating and the warmest water in the system would then be leaving the ground loop and returning to the unit 2 Parallel The fluid cooler is install...

Page 10: ...n the fluid cooler is installed in parallel with the water source heat pump The biggest change is the fluid cooler now requires the internal pump option and is now piped so the outlet of the fluid cooler and heat pump is on a common line The fluid cooler monitors a signal from the heat pump and will turn on the circulating pump If conditions are favorable for heat rejection the fan runs at the app...

Page 11: ... aid in avoiding potential future damage to the installation Unit Location Locate the unit in an outdoor area that allows for adequate access for loop installation and also has appropriate space for service personnel to perform typical maintenance and repairs The unit should be located away from buildings landscaping and other units by the dimensions given in Figure 5 Installation within six feet ...

Page 12: ...loop piping materials should be polyethylene fusion only for in ground sections of the loop and it is also recommended for inside piping Galvanized or steel fittings should not be used at any time due to their tendency to corrode All plastic to metal threaded fittings should be avoided due to their potential to leak over time The earth loop piping should be brought through the loop access holes in...

Page 13: ...d be used during the flushing process to ensure all debris is removed See Table 1 to determine the flow rate required to attain 2 fps 0 6 m s The TFC requires a minimum flow rate of 16 gpm 60 6 l m to achieve 2 fps The steps below must be followed to ensure proper flushing Units with internal variable speed pumps also include a check valve internal to the pump It is not possible to flush backwards...

Page 14: ... Open the valve back up and a pressure surge will be sent through the loop which forces air out of the piping system Notice the drop in the fluid level in the flush cart tank If all air is purged from the system the level will only drop 3 8 in 10 diameter PVC flush tank approximately 0 5 gallon 1 9 liters If the level drops more than this flushing should continue until all air is removed from the ...

Page 15: ...d 75psi 345 to 517 kPa upon completion of flushing pressure should be sufficient for all seasons Unhook the flush cart from the fluid cooler Install caps on the fluid cooler water inlet and outlet to prevent and leaks Figure 9d Valve Position D Pressurize and Operation Out In Valve Position 2 Close to isolate Internal Flow Controller 3 Close Internal Flow Controller Valves for Operation Mode From ...

Page 16: ...mateMaster distributor if you have any questions as to antifreeze selection WARNING CAUTION WARNING Always use properly marked vehicles D O T placards and clean suitable properly identified containers for handling flammable antifreeze mixtures Post and advise those on the jobsite of chemical use and potential dangers of handling and storage NOTICE DO NOT use automotive windshield washer fluid as a...

Page 17: ...te the level of freeze protection Do not antifreeze more than a 10 F 12 2 C freeze point Specific gravity hydrometers are available in the residential price list Repeat after reopening and flushing for a minute to ensure good second sample of fluid Inadequate antifreeze protection can cause nuisance low temperature lockouts during cold weather 7 Close the flush cart return valve immediately therea...

Page 18: ...d Flow gpm With Check Valve Figure 11 High Head Variable Pump Performance Determine overall system pressure drop and compare to Figure 11 to ensure that adequate fluid flow can be provided Unit pressure drop is shown on the Performance Pressure Drop pages of this manual Note If head pressure required exceeds pump capacity then a external pump may be required ...

Page 19: ...c a B Sulfate reducing 0 0 0 0 L m s l l e c a i r e t c a b Suspended Solidsβ 0 1 0 1 0 1 0 1 m p p S S T Earth Ground Resistanceχ 0 s m h O Consult NEC local electrical codes for grounding requirements Electrolysis Voltageδ 0 0 3 V m Measure voltage internal water loop to HP ground Leakage Currentδ 5 1 A m Measure current in water loop pipe Building Primary Electrical Ground to unit must meet lo...

Page 20: ...uld not be used 7 If water temperature is expected to fall below 40 F antifreeze is required Refer to the heat pump IOM for the correct solution ratios to prevent freezing α Hydrogen Sulfide has an odor of rotten eggs If one detects this smell a test for H2S must be performed If H2S is detected above the limit indicated remediation is necessary Consult with your Water Testing Treatment Professiona...

Page 21: ...e measured should be zero Ohms The NEC allows a resistance to ground up to 20 Ohms Any resistance above zero indicates a poor earth ground which may be the result of a hot neutral line or that conduc ve water is present Both of these may lead to electrolysis and corrosion of the heat pump piping A check for both should be performed and resolved Note if the well casing is plas c a conduc ve path ca...

Page 22: ...an 500mV electrolysis will occur and corrosion will result If voltage is measured the cause is a high resistance earth ground or current on the neutral conductor Remedial measures should be performed Measure the current flowing through the piping system by using an amp clamp probe on the water in line The HP must be opera ng and the water stream flowing There should be zero amps measured If current ...

Page 23: ...e Power Connection Line voltage connection is made by connecting the incoming line voltage wires to the L side of the power distribution block as shown in Figure 12 Consult Table 5a and 5b for electrical ratings and maximum fuse size 208 230 Volt Operation Verify transformer tap with unit wiring diagram to ensure that the transformer tap is set to the correct voltage 208V or 230V WARNING To avoid ...

Page 24: ... y 22 2022 Geothermal Heating and Cooling 24 Electrical Field Wiring Installation Figure 12 Control Wiring Control Board Dashed lines represent field wiring Dashed lines represent field wiring Refer to Data Plate Use copper conductors only Ground ...

Page 25: ...trol pump and fan operation Unit configuration setting are set at the factory for unit size and pump option The dip switch setting are shown in Table 6 Figure 13 Control Board Control Board Table 6 Dip Switch Settings S1 Dip Switch On Off S1 1 Hybrid Operation Stand Alone Operation S1 2 Pump Option Flow Switch Option S1 3 TFC036 TFC060 S1 4 N A N A ...

Page 26: ...d into the ON position the unit will operate with logic to operate the fan in high speed when 1 The EAT is greater than 40 F when the freeze protection is set for water or 25 F when set for antifreeze and 2 The temperature difference EWT EAT must be greater than 2 F and 3 The EWT is greater than 45 F and 4 The flow switch input W is closed with a flow switch option or there is the presence of a Y1...

Page 27: ...Tranquility Fluid Cooler 60 Hz Rev Februar y 22 2022 climatemaster com 27 TFC with Pump Wiring Diagram 96B0077N01 ...

Page 28: ...Tranquility Fluid Cooler 60 Hz Rev Feb ru ar y 22 2022 Geothermal Heating and Cooling 28 TFC with Flow Switch Wiring Diagram 96B0077N02 ...

Page 29: ... that controller field selection options are properly set Refer to unit wiring diagram Service access panels are in place SYSTEM CHECKOUT System water temperature Check water temperature for proper range System pH Check and adjust water pH if necessary to maintain a proper level Proper pH promotes system longevity see Table 4 System flushing Verify that all air is purged from the system Air in the...

Page 30: ... the lower voltage of dual voltage rated units Heat Rejection Capacity Air Temp Entering Fluid Cooler DB Air ΔT Water Flow Rate Water Temp Entering Fluid Cooler Water ΔT through Fluid Cooler Approach Temp Fan Power BTUH F F GPM F F F Watts 28900 70 10 9 85 6 9 121 38700 70 14 90 9 12 121 48600 70 17 95 11 14 121 29600 90 10 105 7 9 126 39800 90 14 110 9 11 126 49800 90 18 115 11 14 126 29300 105 1...

Page 31: ...ased upon the lower voltage of dual voltage rated units Heat Rejection Capacity Air Temp Entering Fluid Cooler DB Air ΔT Water Flow Rate Water Temp Entering Fluid Cooler Water ΔT through Fluid Cooler Approach Temp Fan Power BTUH F F GPM F F F Watts 44100 70 9 15 85 6 9 187 59400 70 13 90 8 12 187 74500 70 16 95 10 15 186 44500 90 10 105 6 9 184 59300 90 13 110 8 12 184 74000 90 17 115 10 15 183 43...

Page 32: ...iron or galvanized piping or components in the system Should periodic cleaning be necessary use standard 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...

Page 33: ...6 9 1 5 81 38 57 134 6 2 77 12 10 4 61 70 58 136 4 2 67 11 12 2 58 40 59 138 2 2 58 10 14 0 55 30 60 140 0 2 49 9 15 8 52 38 61 141 8 2 40 8 17 6 49 64 62 143 6 2 32 7 19 4 47 05 63 145 4 2 23 6 21 2 44 61 64 147 2 2 16 5 23 0 42 32 65 149 0 2 08 4 24 8 40 15 66 150 8 2 01 3 26 6 38 11 67 152 6 1 94 2 28 4 36 18 68 154 4 1 88 1 30 2 34 37 69 156 2 1 81 0 32 0 32 65 70 158 0 1 75 1 33 8 31 03 71 15...

Page 34: ...Tranquility Fluid Cooler 60 Hz Rev Feb ru ar y 22 2022 Geothermal Heating and Cooling 34 Notes ...

Page 35: ...Tranquility Fluid Cooler 60 Hz Rev Februar y 22 2022 climatemaster com 35 Notes ...

Page 36: ...not be as described herein Please contact ClimateMaster s Customer Service Department at 1 405 745 6000 for specific information on the current design and specifications Statements and other information contained herein are not express warranties and do not form the basis of any bargain between the parties but are merely ClimateMaster s opinion or commendation of its products 7300 S W 44th Street ...

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