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TTHERM GEO TVA series, Инструкция по установке и эксплуатации

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12/06/2012 19 

GI202 

Optional Electric Strip Heat (AUX EL) 

 

Electric Resistance Heat (optional) 

– TTHERM GEO series heat pumps may be ordered with optional electric 

resistance heat.  This feature is installed for various reasons.  Most commonly, particularly in northern climates 
where extremely low temperatures are found, geothermal heat pumps are often intentionally undersized for the 
coldest days of the year.  In situations where the heat pump is undersized, the KN series auxiliary electric 
heating unit (AUX EL) can be installed in the heat pump to meet your additional heating demands during these 
extremely cold days.  Additionally, the AUX EL feature can be utilized for emergency heat if your heat pump 
should malfunction for any reason. 
 
Although these units utilize 100% efficient electric energy, AUX EL can never approach the energy efficiency 
of your TTHERM GEO geothermal heat pump alone.  For this reason, your TTHERM GEO series heat pump 
will attempt to utilize geothermal heating as much as possible.  When heating demands reach a level where 
geothermal heating cannot “keep up”, the exclusive thermostat and the GEO Logic control will add just enough 
resistance heating to meet your heating demands. 
 
An optional AUX EL Strip Heat Kit can be installed in your TTHERM GEO heat pump at any time. AUX EL 
kits in various sizes are available from TTHERM GEO.  The addition of one of these kits should only be 
performed by trained professionals who are familiar with this product.  Not all of the AUX EL units can be 
paired with every TTHERM GEO heat pump.  Please refer to the table below to determine which resistance heat 
unit can be used with your heat pump. 

 

Available AUX EL Models

 

Models 

Nominal 

Ton 

T2-KN-05-1-T 

5 kW 

T2-KN-10-1-T 

10 kW 

T2-KN-15-1-T 

15 kW 

T2-KN-20-1-T 

20 kW 

TVT-024 2 

OK 

OK

 

 

 

TVA-036/TVT-036 3 

OK

 

OK

 

OK

 

 

TVT-042  3.5 

OK OK OK   

TVA-048/TVT-048 4 

OK

 

OK

 

OK

 

 

TVA-060/TVT-060 5 

OK

 

OK

 

OK

 

OK 

 

Содержание TVA series

Страница 1: ...tem optimizes the operation of a desuperheater operating the systems only when there is adequate energy available to provide heat to the domestic hot water However to maximize the times the desuperhea...

Страница 2: ...eturn 18 Optional Electric Strip Heat AUX EL 19 Desuperheater Domestic Hot Water SWH 20 Condensate Drain 22 Electrical Installation 23 GEO Logic Controller 24 Add On Option and Accessories 25 Field Se...

Страница 3: ...may apply to the specific installation See Additional Equipment Concerns Field Setup or Programming Operation Indicators User Instructions Control Sequence and Troubleshooting sections within this man...

Страница 4: ...literature tags and labels attached to the unit and other safety precautions that may apply such as the following safety measures Follow all safety codes Wear safety glasses and work gloves Use a quen...

Страница 5: ...ion 8 C Copper N Cupronickel M Copper Load Cupronickel Source S Stainless THT only Auxiliary kW Option 13 14 05 4 8 kW 10 9 6 kW 15 14 4 kW 20 19 2 kW XX None Can be factory or field installed Vintage...

Страница 6: ...Source GPM Capacity Btu h Blower CFM Temp Rise COP Capacity Btu h Blower CFM Temp Rise COP FL 10 30 3 850 32 4 01 24 1 850 26 3 66 TVT 024 PL 10 23 0 725 29 4 20 19 9 725 26 3 98 FL 9 42 2 1200 34 4 0...

Страница 7: ...4 Ethanol 20 Multiplier 18 1 1 56 1 47 1 42 1 36 1 31 By volume Feet of Head PSI x 2 31 TVA HEATING ISO 13256 1 SPECIFICATION ENERGY STAR GWHP Ground Water GLHP Ground Loop 50 F 68 F 32 F 68 F Model S...

Страница 8: ...AILABLE TVT 036 200 230 3 14 2 88 6 1 15 4 4 24 9 28 3 40 TVT 042 200 230 3 14 0 83 1 6 1 15 4 4 24 7 25 8 40 TVT 048 200 230 3 16 5 110 0 6 1 15 4 4 28 3 32 5 50 TVT 060 NOT AVAILABLE TVA Electrical...

Страница 9: ...the blower motor a load to work against All blower compartment covers must be in place for the heat pump to operate correctly TVT Blower CFM Two Stage Compressor Model G Cool Y Heat Y Cool Y2 Heat Y2...

Страница 10: ...6x16 9x10 8x12 500 10 10x10 6x8 8x12 7x14 600 12 6x10 7x18 8x16 10x12 800 12 8x18 9x15 10x14 12x12 1000 14 10x18 12x14 8x24 1200 16 10x20 12x18 14x15 1400 16 10x25 12x20 14x18 15x16 1600 18 10x30 15x...

Страница 11: ...12 06 2012 9 GI202 Product Dimensions...

Страница 12: ...bility and or liability associated with any needed installation of the gas oil furnace fuel system flue chimney etc Any instructions or comments made within this manual or factory phone assistance rel...

Страница 13: ...air return capacity is already undersized or restricted Check the static pressure within the return cabinet or the suction at the filter cabinet door Do not assume because there is a register on the...

Страница 14: ...foreign debris and filled with fluid All air must be removed at this time by flushing the system Page 11 Table 2 shows approximate fluid volumes Pressure Temperature P T plugs Should be installed in...

Страница 15: ...pump based upon the GPM required and total system pressure drop See specification page 4 Geothermal heat pump Btu h capacity and efficiency are directly related to the GPM flow through the unit Vibra...

Страница 16: ...12 06 2012 14 GI202 Figure 4 Non Pressurized Closed Loop with Flow Center Typical piping diagram Figure 5 Pressurized Closed Loop with Flow Center Typical piping arrangement...

Страница 17: ...sehold chlorine bleach for every 10 gallons of water WARNING NOT ALL GLYCOLS PROVIDE THE SAME LEVEL OF CONCENTRATION MOST GLYCOLS DO NOT CONTAIN ENOUGH INHIBITORS FOR THE RECOMMENDED CONCENTRATION LEV...

Страница 18: ...line sizes are large enough to supply the required flow with a reasonable pressure drop generally 1 00 diameter Water discharge is generally made to a drain field stream pond surface discharge tile li...

Страница 19: ...runs and warms up The compressor will then restart again providing heat until the LWT again reaches 39 F If this routine continues the heat pump may not be able to maintain the temperature in the hous...

Страница 20: ...ip heat reattach the blower motor cables front rear and side panels Your TTHERM GEO has now been converted to right hand return 6 If you are installing an optional electric strip heat module KN XX T o...

Страница 21: ...your TTHERM GEO geothermal heat pump alone For this reason your TTHERM GEO series heat pump will attempt to utilize geothermal heating as much as possible When heating demands reach a level where geot...

Страница 22: ...to flow through the complete desuperheater circuit purging out the air When all the air is purged close the boiler drain and open the ball valve to the bottom of the water heater 5 Never operate the s...

Страница 23: ...w shut off and an easy method of purging the desuperheater piping with city well water forcing through the system and out the hose bib drain Note Both ball valves must be open whenever the desuperheat...

Страница 24: ...e labeled hole outfitted with a FPT fitting The condensation drain is trapped internally so generally no external p trap is required A drain vent in the condensate line is required to ensure proper wa...

Страница 25: ...ge control box Disconnect field provided external safety disconnect is required see nameplate max amps Loop pumps control box upper right is the pump relay board with field terminal block connection f...

Страница 26: ...compressor The GEO Logic processes this status forwards this status to various connections indicators lights and provides AUX backup heat from stat Y This operating state is only cleared by a power re...

Страница 27: ...rminal identification within this controller The intent of this instruction manual is not to train each installer on the terminology related to the specific product thermostat you are installing ADDIT...

Страница 28: ...e 8 GEO Logic Board Assignment WARNING ANY CHANGES MADE TO SWITCH SETTIINGS JUMPERS OR ACCESSORIES CONNECTED TO THE GEO LOGIC CONTROLLER WILL REQUIRE THE GEO LOGIC CONTROLLER TO BE POWER CYCLED FOR TH...

Страница 29: ...m wire and will have its own screw terminal WARNING THE DUCT SENSOR ST MUST BE INSTALLED ON ALL FORCED AIR MODELS Duct Sensor ST install in the Geo supply air plenum at least 24 inches 61cm above the...

Страница 30: ...nd stage after 10 minutes 3rd stage 10 minutes after stage 2 is initiated All stages will remain on until the stat is satisfied Hard lockout staging delays 1st stage on call 2nd stage after 10 minutes...

Страница 31: ...through a side knockout and be fed straight through into the control box WARNING HIGH VOLTAGE WIRES SHALL NEVER BE ROUTED THROUGH THE LOW VOLTAGE COMPARTMENT The KN T electric heat options will also...

Страница 32: ...temperature sensors to reach a normal starting pressure or operating temperature range GREEN Cooling Mode ON Solid Stat Y input is active Pulsing ACD is timing anti cycle delay timer Normal compressor...

Страница 33: ...a warning and a pause in the system for possible system correction or notification for further service action HI PRESSURE HIGH TEMP LIMIT Red LED ON Solid High pressure lockout Pulsing Load side disch...

Страница 34: ...Invalid Horse Power read from ECM motor on power up program halts Alternating ON OFF with ECM RPM LED On power up No response from ECM motor program halts After power up Communications error ECM RPM...

Страница 35: ...ibed in the CSL section 5 The ECM 3 0 motor has an internal safety function which should overcome potential software communication problems a Will continue at its present operating point b If in idle...

Страница 36: ...ers reach a point where system corrective action is advised GEO Logic has default points where the manufacturer feels notification should be made When any one of these temperature points is reached th...

Страница 37: ...ge of this manual It should be removed filled out and kept with the manual for future reference 1 Do not connect refrigerant gauges to this unit unless the data collected indicates there is a problem...

Страница 38: ...and record the total amp draw Check and record the compressor amp draw 9 Raise the thermostat only enough to call 2nd stage if applicable Check and record the source side supply and return water temp...

Страница 39: ...kouts the fault codes are displayed The flow switch has a bypass timer in which the GEO Logic board will ignore an open flow switch for the first 15 seconds If the flow switch opens the GEO Logic cont...

Страница 40: ...1200 1288 3 TVT 042 1312 1442 4 TVA TVT 048 1500 1648 6 TVA TVT 060 1 1875 2060 The thermostat wired functions have an assigned CFM related to the above Also the Y2 Y1 CFM can be further modified by t...

Страница 41: ...ssure Fault Code LED Low Pressure 40 PSI 65 PSI Low Pressure ON Solid High Pressure 550 PSI 420 PSI Hi Pressure ON Solid Open Loop Freeze Protection Open loop freeze protection is accomplished by moni...

Страница 42: ...he heat exchanger 7 Flush used solution down the drain by adding fresh water supply Flush until leaving water is clear 8 Repeat procedure until solution runs clear through the chlorine circulation pro...

Страница 43: ...6 86 32 38 12 16 2 50 5 6 7 7 10 5 31 36 13 9 15 9 2 4 1300 1340 342 362 154 160 10 5 14 2 107 117 45 51 10 14 TVT 042 2 68 8 2 10 2 10 5 37 42 15 9 17 9 2 4 1310 1350 382 402 158 164 9 3 13 3 143 153...

Страница 44: ...6 10 5 17 8 22 8 12 9 14 9 2 6 1400 1440 297 317 141 147 3 8 7 8 127 137 59 0 65 0 14 9 18 9 TVT 042 2 86 9 2 11 2 10 5 17 6 22 6 14 2 16 2 2 6 1380 1420 334 354 151 157 3 7 7 7 132 142 60 8 66 8 14 7...

Страница 45: ...10 39 44 13 7 15 7 2 0 1200 1250 395 415 161 167 11 3 15 3 145 155 62 68 10 14 32 3 9 5 9 12 25 30 16 4 18 4 3 2 1590 1630 317 337 158 164 8 2 12 2 75 85 29 35 11 15 50 6 4 8 4 12 32 37 18 0 20 0 3 3...

Страница 46: ...2 3 123 133 55 61 12 1 16 1 50 11 6 13 6 12 22 27 7 2 9 2 3 3 1670 1710 223 243 110 116 6 3 10 3 130 140 57 63 12 0 16 0 59 11 3 13 3 12 22 27 12 4 14 4 3 3 1680 1720 243 263 115 121 7 7 11 7 131 141...

Страница 47: ...ntroller is acting strange one immediate step would be power down reset Simply turn off the 240 volt source power When the green POWER LED goes out count to 10 and re energize power supply 2 The termi...

Страница 48: ...ONAL INJURY OR DEATH Checking the high voltage output terminals The high voltage leaves the relay board in 2 locations 1 Terminal Block TB1 is located in the upper right side of the relay board See th...

Страница 49: ...ce flow High Low High High High High Low Low return air temperature Low High Low Low Low High High High return air temperature High Low High High High Low Low Scaled source coil Low High Low Low Low L...

Страница 50: ...it PT Pressure test port RV Reversing valve AIR COIL Air heat exchanger BL Ref Blower TXV Expansion valve F D Filter dryer LOOP COIL Source heat exchanger P Ref Loop pump T Temperature test point 1 4...

Страница 51: ...E NOTES PT 2 HL 1 1 1 TM TM EWT FL P P 140 LIMIT SWH COIL SWH RT SWH ST P Name COMP Compressor HL Pressure high limit LL Pressure low limit PT Pressure test port RV Reversing valve AIR COIL Air heat e...

Страница 52: ......

Страница 53: ...n valve and heat exchanger s of its products are free from defects in materials and workmanship through the tenth year following date of original purchase If any compressor reversing valve expansion v...

Страница 54: ...ect to adjustment upon verification of defect 2 Any product or product part that has been damaged as a result of being improperly serviced or operated including but not limited to the following operat...

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