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97B0045N04

Residential Horizontal, Vertical & Down

fl

 ow

Packaged Geothermal Heat Pumps 

Installation, Operation &

Maintenance Instructions

Rev.: 3 Aug., 2012B

Tranquility

®

 30 Digital 

(TE) Series IOM

Table of Contents

Model Nomenclature 

3

Storage 4
Pre-Installation 4
Vertical Installation 

5

Horizontal Installation 

6-8

Condensate and Water Connection 

9

vFlow™ Heat Pump 

10

Applications Overview 
Closed Loop Heat Pump Applications 

11

with Internal Flow Controller 
Flushing the Earth Loop 

12-14

Multiple Unit Piping and Flushing 

15-17

Ground Loop Heat Pump Applications 

18-19

Low Temperature Cutout Selection 

19

Closed Loop - External Central 

20

Pumping Applications 
Open Loop or Ground-Water 

21-22

Heat Pump Applications 
Water Quality Standards 

23

Hot Water Generator 

24-26

Electrical - Line Voltage 

27

Electrical - Low Voltage Wiring 

28

Electrical - Thermostat Wiring 

29

Wiring Diagrams 

30-33

ECM Blower Control 

34

Blower Data 

35

DXM2 Controls 

36

DXM2 Layout and Connection 

37

Unit Commissioning 

And Operating Conditions 

38

Unit Start-Up and Operating Conditions 

39

Unit Start-Up Procedure 

39-41

Coax Pressure Drop Table 

41

Unit Operating Conditions 

42-43

Performance Data 

44-48

Preventive Maintenance 

49

Troubleshooting 50-52
DXM2 Process Flow Chart 

52

Functional & Performance Troubleshooting 

53-56

Troubleshooting Form 

57

Warranty 58
Revision History 

60

PRELIMINARY

Summary of Contents for tranquility 30

Page 1: ...re Cutout Selection 19 Closed Loop External Central 20 Pumping Applications Open Loop or Ground Water 21 22 Heat Pump Applications Water Quality Standards 23 Hot Water Generator 24 26 Electrical Line...

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Page 3: ...th or serious injury CAUTION Indicates a potentially hazardous situation or an unsafe practice which if not avoided could result in minor or moderate injury or product or property damage NOTICE Notifi...

Page 4: ...dering and shipping information to verify that the correct unit has been shipped 2 Keep the cabinet covered with the original packaging until installation is complete and all plastering painting etc i...

Page 5: ...nal Service Access Left Rtn right Opposite 2 61cm Service CSP Vertical Unit Location Packaged units are not designed for outdoor installation Locate the unit in an INDOOR area that allows enough space...

Page 6: ...ping electrical cables and other items that prohibit future removal of components or the unit itself 4 Use a manual portable jack lift to lift and support the weight of the unit during installation an...

Page 7: ...h sides of the coil A thorough water rinse should follow Figure 6b Typical Ground Water Horizontal Unit Installation with Internal Motorized Modulating Valve Pressure Tank Ball Valves Internal Motoriz...

Page 8: ...Remove the screws as shown in Figure 7 to free top panel and discharge panel 2 Lift out the access panel and set aside Lift and rotate the discharge panel to the other position as shown being careful...

Page 9: ...Also vent when large units are working against higher external static pressure than other units connected to the same condensate main since this may cause poor drainage for all units on the line WHEN...

Page 10: ...control valves vFlow Configurations 1 Internal Flow Controller For Closed Loop Applications This is the most common configuration for closed loops With this factory installed standard option the unit...

Page 11: ...ps for new construction before sidewalks patios driveways and other construction has begun During construction accurately mark all ground loop piping on the plot plan as an aid in avoiding potential f...

Page 12: ...fps 0 6 m s in all piping using a filter in the loop return line of the flush cart to eliminate debris from the loop system See Table 17 for flow rate required to attain 2fps 0 6 m s The steps below...

Page 13: ...f all air is purged from the system the level will drop only 3 8 in a 10 25 4 cm diameter PVC flush tank about a half gallon 1 9 liters since liquids are incompressible If the level drops more than th...

Page 14: ...ont of Unit Valve Position the flush cart from the Internal Flow Controller Install Flow Controller caps to ensure that any condensation leakage remains contained within the Flow Controller package If...

Page 15: ...2 ton units and four loop circuits we can calculate the flushing pressure drop as follows From Table 17 we know that it will take 4 gpm to flush each circuit If there is no provision to isolate the ci...

Page 16: ...rnal Flow Controllers and External Flushing Valves When the number of units or flushing requirements reaches a point where it is no longer feasible to flush through the internal valves generally syste...

Page 17: ...ith a central variable speed pump In this case units with closed loop modulating valves are used do not use open loop modulating valves on a closed loop system External flushing valves are required Th...

Page 18: ...tallation 1 Flush loop until all air has been purged from system and pressurize to check for leaks before adding any antifreeze 2 Run discharge line to a drain and hook up antifreeze drum to suction s...

Page 19: ...port Repeat if necessary 5 Be careful when handling methanol or any alcohol Always wear eye protection and rubber gloves The fumes are flammable and care should be taken with all flammable liquids Op...

Page 20: ...ts to closed position if it loses signal but still has 24V power running to it If the motorized modulating valve loses both signal from the DXM2 board AND 24V power it will remain in the same position...

Page 21: ...s should be positioned to allow flow through the coax via the boiler drains without allowing flow into the piping system Schrader ports built into unit may be used to measure heat exchanger pressure d...

Page 22: ...t be chosen as complimentary items For example an expansion tank that is too small can cause premature pump failure due to short cycling Variable speed pumping applications should be considered for th...

Page 23: ...e Chloride Levels 10 C 24 C 38 C Copper Cupronickel 20ppm NR NR 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 Part...

Page 24: ...0 F controlled by the lower element The upper 20 of the tank or 10 gallons will be maintained at 125 F controlled by the upper element Using a 125 F set point the HWG can heat the lower 40 gallons of...

Page 25: ...ED ON SYSTEMS THAT EMPLOY 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 A...

Page 26: ...WG and purge air from the HWG piping 2 Open a hot water faucet to vent air from the system until water flows from faucet turn off faucet Open valve 4 3 Depress the hot water tank pressure relief valve...

Page 27: ...l Line Voltage All field installed wiring including electrical ground must comply with the National Electrical Code as well as all applicable local codes Refer to the unit electrical data for fuse siz...

Page 28: ...4 5 6 7 8 1 2 3 4 5 6 7 8 Accessory Relays Accessory Terminal The DXM2 controller includes two accessory relays ACC1 and ACC2 Each relay includes a normally open NO and a normally closed NC contact A...

Page 29: ...n site easier configuration monitoring and diagnosis Figure 26a iGate Communicating Thermostat Connection to DXM2 Control Thermostat Connection to DXM2 Control Compressor Compressor Stage 2 Reversing...

Page 30: ...Series IOM 60Hz HFC 410A R ev 3 Au g 2012B DXM2 Wiring Diagram with Internal Flow Controller 96B0005N60 Part 1 of 2 This diagram includes typical wiring details but is not applicable to all units For...

Page 31: ...31 climatemaster com PRELIMINARY Tranquility 30 Digital TE Series IOM 60Hz HFC 410A Rev 3 Aug 2 0 1 2 B DXM2 Wiring Diagram with Internal Flow Controller 96B0005N60 Part 2 of 2...

Page 32: ...ies IOM 60Hz HFC 410A R ev 3 Au g 2012B DXM2 Wiring Diagram with Motorized Modulating WaterValve 96B0005N62 Part 1 of 2 This diagram includes typical wiring details but is not applicable to all units...

Page 33: ...33 climatemaster com PRELIMINARY Tranquility 30 Digital TE Series IOM 60Hz HFC 410A Rev 3 Aug 2 0 1 2 B DXM2 Wiring Diagram with Motorized Modulating WaterValve 96B0005N62 Part 2 of 2...

Page 34: ...t to engage the Auto Dehumidification feature on units with Internal Flow Controllers Units with Internal Flow Controllers utilize the H terminal on the DXM2 as an input for an ambient temperature swi...

Page 35: ...0 1100 850 550 1350 Maximum 1500 1100 1200 900 1500 1100 1500 1500 Minimum 900 600 825 550 900 600 450 1350 049 1 0 1 Default 1400 1050 1100 850 1500 1150 700 1500 Maximum 2000 1500 1600 1200 2000 150...

Page 36: ...he DXM2 AOM is shipped with each unit Thermostat compatibility It is strongly recommended that iGate communicating thermostat ATC32U or iGate configuration diagnostic tool ACDU be used with DXM2 contr...

Page 37: ...Temp Limit Setting Figure 29 DXM2 Layout and Connections Figure 25 LT1 Limit Setting Comp Relay 24Vdc EH1 EH2 P6 Off On JW3 c1 ay c2 ay CO RV RV LT2 LT2 P7 CC CCG CO S1 S2 12 1 4 Off On AO2 P11 Gnd T...

Page 38: ...tinuous operating conditions Minimum maximum limits are start up conditions to bring the building space up to occupancy temperatures Units are not designed to operate under these conditions on a regul...

Page 39: ...y that DXM2 field selection options are properly set Low voltage wiring is complete Blower CFM and Water T is set on communicating thermostats or diagnostic tool Service access panels are in place SYS...

Page 40: ...eck for warm air delivery at the unit grille within a few minutes after the unit has begun to operate NOTE Units have a five minute time delay in the control circuit that can be bypassed on the DXM2 c...

Page 41: ...tart up A 10 solution of dishwasher detergent and water is recommended Unit Operating Conditions Table 12 Water Temperature Change Through Heat Exchanger 9 12 20 26 4 8 10 17 Model GPM Pressure Drop p...

Page 42: ...1 231 197 217 15 20 15 20 15 20 10 15 9 14 9 14 21 9 23 9 16 1 18 1 10 3 12 3 18 24 19 25 19 25 96 106 100 110 105 115 322 342 326 346 331 351 10 15 10 15 10 15 17 22 17 22 17 22 12 2 14 2 9 3 11 3 6...

Page 43: ...SIG Superheat Subcooling Water Temp Rise F Air Temp Drop F DB Suction Pressure PSIG Discharge Pressure PSIG Superheat Subcooling Water Temp Drop F Air Temp Rise F DB 30 1 5 2 25 3 61 71 65 75 68 78 29...

Page 44: ...25 3 105 3 61 6 3 6 6 0 1 9 4 4 850 28 1 20 7 1 31 21 4 32 6 80 9 1 9 6 0 1 9 4 4 950 31 7 1 70 5 5 25 9 100 9 61 4 3 5 80 3 0 0 7 1 5 730 24 6 18 0 1 58 15 6 30 0 100 0 3 0 3 0 0 7 1 5 820 31 6 1 76...

Page 45: ...56 5 5 39 0 111 0 61 3 4 8 9 0 4 4 10 1 1250 43 1 28 8 1 91 22 6 49 6 81 0 2 6 9 0 4 4 10 1 1250 48 5 2 48 5 7 40 0 105 9 61 1 4 7 80 4 5 1 5 3 4 1080 38 0 25 2 2 29 16 6 45 8 100 4 4 3 4 5 1 5 3 4 10...

Page 46: ...71 4 9 49 1 110 0 61 8 5 2 12 0 3 5 8 1 1550 54 8 39 3 2 55 21 5 63 5 80 6 2 9 12 0 3 5 8 1 1650 62 7 3 59 5 1 50 5 105 2 61 6 5 1 80 6 0 0 8 1 8 1330 47 9 34 6 3 02 15 8 58 2 99 4 4 5 6 0 0 8 1 8 14...

Page 47: ...73 5 1 66 3 113 6 61 2 6 0 15 0 4 1 9 5 1850 71 1 50 4 3 44 20 6 82 8 81 0 3 5 15 0 4 1 9 5 2050 83 7 4 59 5 3 68 0 107 8 60 9 5 8 80 7 5 0 8 1 8 1590 62 5 44 1 4 05 15 4 76 3 100 3 5 5 7 5 0 8 1 8 1...

Page 48: ...5 4 5 68 6 116 7 61 9 8 9 17 0 5 4 12 4 1850 77 6 51 5 3 99 19 5 91 2 80 7 5 5 17 0 5 4 12 4 2050 89 5 5 57 4 7 70 5 110 4 61 7 8 7 80 8 5 1 2 2 7 1590 68 4 44 7 4 72 14 5 84 5 99 9 8 2 8 5 1 2 2 7 17...

Page 49: ...mance Filters should be inspected every month under normal operating conditions and be replaced when necessary Units should never be operated without a filter Washable high efficiency electrostatic fi...

Page 50: ...14 8 4 20 116 240 8 0 43 47 116 6 4 04 117 242 6 0 42 48 118 4 3 89 118 244 4 0 41 49 120 2 3 74 119 246 2 0 40 50 122 0 3 60 120 248 0 0 39 51 123 8 3 47 121 249 8 0 38 52 125 6 3 34 122 251 6 0 37 5...

Page 51: ...s The Control Diagnostics menus allow the installer to see the current status of all DXM2 control switch inputs values of all temperature sensor inputs control voltage ECM blower internal flow center...

Page 52: ...Start Did Unit Attempt to Start Did Unit Lockout at Start up Unit Short Cycles Only Fan Runs Only Compressor Runs Did unit lockout after a period of operation Does unit operate in cooling Unit is OK S...

Page 53: ...ity with hydrometer X Improper low temperature setting 30 F vs 10 F Clip LT1 jumper for antifreeze 10 F use X Water t emperature out of range Bring water temp within design parameters X X Bad thermist...

Page 54: ...check static vs blower table Too much cold vent air bring entering air temp within design parameters No Fault Code Shown X X No compressor operation See Only Fan Operates X X Compressor overload Check...

Page 55: ...p backfill ground moisture High Head Pressure X Reduced or no air flow Check for dirty air filter and clean or replace in heating Check fan motor operation and airflow restrictions Too high of externa...

Page 56: ...r Check capacitor X X Thermostat wiring Check thermostat wiring at or DXM2 Put in Test Mode and then jumper Y1 and W1 to R to give call for fan compressor and electric heat Unit Doesn t Operate in Coo...

Page 57: ...Water to Water units only Temp Diff Temp Diff Water to Water units only Water to Water units only Temp Diff Heating Description Notes Cooling COMPRESSOR DISCHARGE SUCTION HWG AIR COIL EXPANSION VALVE...

Page 58: ...LW E XQTXDOL HG SHUVRQQHO 0ROG IXQJXV RU EDFWHULD GDPDJHV RUURVLRQ RU DEUDVLRQ RI WKH SURGXFW 3URGXFWV VXSSOLHG E RWKHUV 3URGXFWV ZKLFK KDYH EHHQ RSHUDWHG LQ D PDQQHU FRQWUDU WR 0 V SULQWHG LQVWUXFWLR...

Page 59: ...59 climatemaster com PRELIMINARY Tranquility 30 Digital TE Series IOM 60Hz HFC 410A Rev 3 Aug 2 0 1 2 B Notes...

Page 60: ...limateMaster 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 warrant...

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