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Tranquility® Water-to-Water (THW) Series

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2. 6 ClimateMaster Water Source Heat Pumps THE SMART SOLUTION FOR ENERGY EFFICIENCY Tranquility Water to Water THW Series THW Unit Location 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 conform to all applicable codes It is the responsibility of the Installing Contractor to determine and comply with ALL applicable codes and regulations Locate the unit in an indoor area that allows easy removal of access panels and has enough space for service personnel to perform maintenance or repair Provide sufficient room to make water and electrical connections Any access panel screws that would be difficult to remove after the unit is installed should be removed prior to setting the unit These units are not approved for outdoor installation and therefore must be installed inside the structure being conditioned Do not locate in areas where ambient conditions are not maintained within 4 38 C and up to 75 relative humidity Load Piping Connections Load piping connections are designated Load Water and Out for the radiant heating system piping and DHW
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7. 27 climatemaster com CLIMATEMASTER WATER SOURCE HEAT PUMPS Tranquility Water to Water THW Series 02 January 2013 Revised Typical Wiring Diagram THW 220 50 3 Units ON S3A SMHG MS 9 57102 ON lvo WH3Hl 9 304 ON 534 __ YOSNAS dW3L N34Jn8 9 SLMV LM1 4 va ON S3A dW3l 39NVHOSIO 9409 9 LoaNNoosia 7 Nid N 8 SJA ON 8 3905 85104 2 MATIONINOD 302 Nid 395 ANVGNOD3S H3WHO SNVHL dWnd 394108 1N3H INViava Wos3 S3A ON Wavy 100201 27 9 nv 1 NOILOSNNOD f9 Nid LINN 9NI1002 8 Nid TWNOIS 5 504 N3382S 8115 NONO A VISIO NoWLoNnal SINN LINT 1038000806 _ 702 7102 281 pao 109 SOLOVINOO UE 5 41 02 1105 OL 2VATZ 4 74 secre LHM zp 2 100 NRO INNS EAV IN HEV WSISAS BOOTS INVIOVE STOVES m ONIDVLS WLWATddNS OL 2VATZ TLS TES SING
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10. TRANQUILITY WATER TO WATER THW SERIES RESIDENTIAL HIGH TEMPERATURE WATER TO WATER GEOTHERMAL HEAT PUMPS HEATING ONLY 5OHz INSTALLATION OPERATION amp MAINTENANCE 97B0063N04 Revised 02 January 2013 CLIMATEMASTER Water Source Heat Pump Systems Table of Contents Model Nomenclature General Information Physical Data Dimensional Data Installation Load Plumbing Installation Ground Water Heat Pump Application Water Quality Standards Ground Loop Heat Pump Application Electrical Line Voltage Electrical Low Voltage Electrical Controls User Interface Installer Interface Wiring Diagram Matrix Typical Wiring Diagrams CXM Controls Unit Commissioning amp Operating Conditions Unit amp System Checkout Unit Start Up Procedure Preventive Maintenance Warranty Revision History CLIMATEMASTER WATER SOURCE HEAT PUMPS Tranquility Water to Water THW Series Revised 02 January 2013 This Page Intentionally Left Blank 2 ClimateMaster Water Source Heat Pumps THE SMART SOLUTION FOR ENERGY EFFICIENCY Tranquility Water to Water THW Series Revised 02 January 2013 Model Nomenclature 11 15 12 13 14 Standard Hydronic Options A None Load Pump W Expansion Tank C Load Pump amp Source Pump S W Expansion Tanks Model Type a TH Tranquility High Temperature Heating Only Configuration W Water To Water Unit Size Paint Options 008 S St
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12. 00 0000000000000000000000000000000000000000000000 c XY OQ SAN OY 37 climatemaster com CLIMATEMASTER WATER SOURCE HEAT PUMPS Tranquility Water to Water THW Series Revised 02 January 2013 Revision History Date Description 02 January 2013 POE Oil Warning Added 18 December 2012 Water Quality Standards Table Updated 09 August 2011 Unit Maximum Working Water Pressure Updated to Reflect New Safeties 13 August 2010 All Misc edits new WD s with HPWS Remove units 10 December 2009 All First Published v EZ CLIMATEMASTER Water Source Heat Pump Systems 7300 S W 44th Street Oklahoma City OK 73179 Phone 1 405 745 6000 Fax 1 405 745 6058 97B0063N04 climatemaster com Quality First amp Always ClimateMaster works continually to improve its products As a result the design and specifications of each product at time for order may be changed without notice and may 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 The management syst
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15. DIP switches should only be changed when power is removed 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 7 Off Stage 2 DIP switch 3 Not Used DIP switch 4 DDC Output at EH2 provides selection Revised 02 January 2013 CXM Control for DDC operation If set to DDC Output at EH2 the EH2 terminal will continuously output the last fault code of the controller If set to EH2 normal EH2 will operate as standard electric heat output On Normal Off DDC Output at EHZ NOTE Some CXM controls only have a 2 position DIP switch package If this is the case this option can be selected by clipping the jumper which is in position 4 of SW1 Jumper not clipped EH2 Normal Jumper clipped DDC Output at EHZ DIP switch 5 Factory Setting Normal position is On Do not change selection unless instructed to do so by the factory Table 6a LED And Alarm Relay Operations LED Description of Operation Normal Mode Normal Mode with UPS Warning eas UPS Waa on Cycle closed 5 sec Open 25 sec non functional is non fu
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19. Water In and Out optional for connection to the domestic hot water piping Any unused piping connections on the load side of the THW unit will allow spillage of the load circuit fluid as the radiant and DHW circuits are connected internally If a unit is ordered with the DHW option and is not being connected to a radiant heating system the Load Water In and Out radiant heating circuit connections must be connected to the DHW and Out piping using tees as shown in Figure 1a Failure to do so will lead to nuisance high pressure faults Revised 02 January 2013 Installation Load Plumbing Installation THW Unit Load Plumbing The applications are too varied to describe in this document however some basic guidelines will be presented All plumbing should conform to local codes and consider the following Wide temperature variation applications such as heating cooling coils Employ piping materials that are rated for the maximum temperature and pressure combination This excludes PVC for most heating applications Insure load water flow in high temperature heating applications is at least 3 2 m per kW to improve performance and reduce nuisance high pressure faults DO NOT employ plastic to metal threaded joints Utilize a pressure tank and air separator vent system to equalize pressure and remove air Swimming Pool Hot Tub Applications Recommended application includes a brazed plate heat exchang
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23. Notice the drop in fluid level in the flush cart tank If air is purged from the system the level will drop only 25 50mm in a 254mm diameter PVC flush tank since liquids are incompressible If the level drops more than this flushing should continue since air is still being compressed in the loop fluid Do this a number of times When the fluid level drops less than 25 50mm in a 254mm diameter tank the flow can be reversed Finally the dead head test should be checked again for an indication of air in the loop This fluid level drop is your only indication of air in the loop Minimum Temperature for Low Temperature Protection Type m 12 2 C 9 4 C 6 7 C 25 38 29 Methanol 100 USP food grade Propylene Glycol Ethanol Must not be denatured with any petroleum based product 21 25 25 16 22 20 climatemaster com 11 CLIMATEMASTER WATER SOURCE HEAT PUMPS Tranquility Water to Water THW Series Revised 02 January 2013 Ground Loop Heat Pump Applications Antifreeze may be added before during or after the flushing procedure However depending upon which time is chosen antifreeze could be wasted when emptying the flush cart tank See antifreeze section for more details Loop static pressure will fluctuate with the seasons Pressures will be higher in the winter months than during the cooling season This fluctuation is normal and should be considered when charging the sy
24. expansion tank can be mounted on the piping to help absorb the excess hammer shock Insure that the total draw of the valve be supplied by the unit transformer For instance the Taco slow closing valve can draw up to 35VA This can overload smaller 40 or 50 VA transformers depending on the other controls employed A typical pilot operated solenoid valve draws approximately 15VA Note the special wiring diagram of the AVM valve Figure 9 Revised 02 January 2013 Ground Water Heat Pump Systems Flow Regulation Flow regulation can be accomplished by two methods First most water control valves have a built in flow adjustment By measuring the pressure drop through the unit heat exchanger flow rate can be determined and compared to Table 8 Simply adjust the water control valve until the desired flow is achieved Secondly a flow control device may be installed The devices are typically an orifice of plastic material that is designed to allow a specified flow rate These are mounted on the outlet of the water control valve On occasion these valves can produce a velocity noise that can be reduced by applying some back pressure This is accomplished by slightly closing the leaving isolation valve of the well water setup Low Temperature Cutout The water low temperature cutout setpoint should be activated to avoid freeze damage to the unit Consult the low temperature cutout section of the controls description for inst
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26. malfunction or other failure and the remedy fails of its essential purpose CM shall refund the purchase price paid to CM in exchange for the return of the sold good s Said refund shall be the maximum liabi of CM TO THE FULLEST EXTENT PERMITTED BY APPLICABLE LAW THIS REMEDY IS THE SOLE AND EXCLUSIVE REMEDY OF THE CUSTOMER AGAINST CM FOR BREACH OF CONTRACT FOR THE BREACH OF ANY WARRANTY OR FOR CM S NEGLIGENCE OR IN STRICT LIABILITY ly be obligated at CM s option to either repair the failed part or unit or to furnish a new or rebuilt part or unit in ex CM shall have for any damages if CM s performance is delayed for any reason or is prevented to any extent by any event such as but not limited to any war civil unrest government restrictions or restraints strikes or work stoppages fire flood accident ation shortages of transportation fuel materials or labor acts of God or any other reason beyond the sole control of CM TO THE FULLEST EXTENT PERMITTED BY APPLICABLE LAW AND SUBJECT TO THE NEXT SENTENCE CM EXPRESSLY DISCLAIMS AND EXCLUDES ANY LIABILITY FOR LOSS OF PROFITS LOSS OF BUSINESS OR GOODWILL CONSEQUENTIAL INCIDENTAL SPECIAL LIQUIDATED OR PUNITIVE DAMAGE IN CONTRACT FOR BREACH OF ANY EXPRESS OR IMPLIED WARRANTY OR IN TORT WHETHER FOR CM s NEGLIGENCE OR AS STRICT LIABILITY Nothing in this Agreement is intended to exclude ity for death persona f Normally the contractor or serv
27. most comfortable type of heating available today However they do have one disadvantage quickly switching from heating to cooling is not possible due to the mass heat storage in the slab For example in the spring or fall there could be times where heating is required at night but cooling is required during the day With a warm floor the cooling system has to work much harder to cool the space WWSD shuts down the water to water heat pump at a pre determined outdoor air temperature adjustable at the user interface When a water to air heat pump is used for space cooling this unit can be enabled when WWSD is activate allowing the water to air heat pump to heat via forced air during the shoulder seasons avoiding the warm slab cooling dilemma see cooling enable below A normally closed contact is provided in the THW unit to de energize the heating system controls e g radiant floor control panel during WWSD WWSD does not affect DHW heating In other words the water to water unit can still operate for generating DHW even if the heating distribution e g radiant floor system is disabled The WWSD activation i e when the WWSD feature is enabled outdoor air temperature range is 4 38 C with a default value of 21 C The WWSD deactivation i e when the radiant heating returns to operating mode temperature range is 2 35 C with a default value of 18 C and a minimum difference between activation and deactivation temperat
28. the heating mode is determined by subtracting one half the heating differential value HTD from the buffer tank heating temperature setpoint The HTD is the differential used for controlling setpoint For example if the buffer tank setpoint is 38 C and the HTD is 3 C the compressor will be energized at 36 C and will be turned off at 39 C The HTD is the difference between the compressor call 36 C and the satisfied 39 C temperature The buffer tank temperature may then be reduced by the outdoor temperature reset function depending on the current outdoor air temperature OAT value The valid range for the buffer tank heating setpoint is 21 60 C with a default value of 38 C The valid range for the heating differential value is 2 11 C adjustable in 1 C increments with a default value of 2C climatemaster com 17 18 CLIMATEMASTER WATER SOURCE HEAT PUMPS Tranquility Water to Water THW Series Revised 02 January 2013 Electrical Controls There are four outdoor reset variables used for reducing the buffer tank setpoint The outdoor design temperature ODT is the OAT above which setpoint reduction begins The valid range for ODT is 40 C to 10 C with a default value of 18 C The maximum design buffer tank temperature MaxBT is the maximum desired buffer tank setpoint at the outdoor design temperature The valid range for MaxBT is 27 60 C with a default value of 54 C The building balance point temper
29. 10 8010896 2220 01 AWILNAGISSY 2dW WX2 1 08 022 010 800 ava suu ClimateMaster Water Source Heat Pumps 24 THE SMART SOLUTION FOR ENERGY EFFICIENCY Water THW Series to Water Tranquility 2013 Revised 02 January ith VSFP THW 220 50 1 Units w ing Diagram Ir Typical W aasn 10N AM9 is Ce 310N 335 01907 1081N0 1405539044051 S 310N 335 N39 24 YILSYWILYWNJ XI 980 981 sal ZON8010896 p L 2 1140 LHM 4 x2 sal LNOAVT X08 TONLNOD 174 Au9 n1g o MN3WHOJSNVMH L NOILdO 44 _ 1102 92 47 alvo 25 climatemaster com CLIMATEMASTER WATER SOURCE HEAT PUMPS Tranquility Water to Water THW Series 02 January 2013 Revised Typical Wiring Diagram THW 220 50 1 Units with VSFP ON 34 SMHG MS OND 9 on saa 1v0 6 ov sa esoswas 433308 9 SLMI LMI sa saw02 9 11 7 1 7 123NNo2SIq f Nid S3A ON 515 3002 35714 QN9 2H3 asmm _ 527708102 Nid SIA ON Wav
30. 1314 AWVS SHL LV LINN NIV OL Hd31VM MHL JHL HLO 30 NOILVYSdO 403 9371 LON SI S dWNd 3HL N3HM WVYSVIC SIHL ISN H3lV3H H3IVM 9 YATIONLNOD 3NO M SNOILIANNOD 31815 TVNIWYSL MHL ONILV3H 39V1S NMOG QSMM dWnd 30074 0934 318VINVA AVTdSIG 3ov4N31NI 81 310401 YALYVLS 1405 55 HIV OL N3IVM 3VAYZ a lVISIMN2HL 9 002 14 2078 5 H3MOd 3015100 vo 4313913 YSTIOUNLNOD HOLIMS 3YNSSIYd 39NVH JO 5507 HOLIMS 3NnSS3Nd HOIH NOLLO3LONd NOSN3S OVAZ 30074 LNVIQVM LV3H 31419473 HOLIMS dii3l 358VHO2SIO HOLIMS 123NNOOSIQ N31VM LOH 5 N31VM LOH 51153 0 AVLSVNOV WNVL MHQ dWAd YOLIVLNOD YOLOVINOD 5055399009 110981 30199495 NNY YOSSSYdWOD NOWWOD SH31SIWH3HI SNOLLO3NNO2 YALSIWNSHL YNVL 434309 Avis S12V1NO AVI3Y Wavy 7109 HOLIMS N31VM aunssaud ere HOLIMS alo HOLIMS els HOLIMS og So fo O N SLOVLNOD H Ho J N SLOVLNOD Av134 aionatog V 957 919
31. 31084 OSN3S 193 39155334 T 3002 9NI1242 3905 9NIHSV14 AYOWSW NI 170V3 47 300 1531 CNMOHS SV SJJOQNVIS OML 401 WONJ 1081N0 4 0015 LNVIGVY Z 3003 INTARS 23905 SNIHSV1J 1773 dH 300H 1531 9 SI4OGNVIS VIA ANVONO23S N3HNOJSNVN Z a MHO iv3H 21512918 HOIH nd 3005 9 19 9 13003 NIHSV1 ANOHSH NI LTnV ON 300H 1531 ONY N33M138 sONILVSH 3945 2M HOLIMS dWal 398VH2SIQ SLA 31VSN30N02 eee LOWLNOD WXD IMC LAD AYOLIV4 NMOG QSMM HOLIMS 123NNO2SIQ SQ A INO IV IWNSIS AYZ 9 40074 d33dS 35 1 N3lVM 3NhSS3Nd MO els YOLSINYSHL 025010 HSV1a 1593 1707001 JOVIIOA LINN N31v3N5 3OVLIOA 5512 YISA LOH 2lLS3H00 5 13 MOTS AYLIN 11873 38 15 ONIYIM 39VL10A LINN Ol 9 108107 303 TYANV MIHNOJSNVM SNVY LVLsvnov Ha HOLIMS 320 SWNOILONT NON SI
32. CM MAKES NO WARRANTY AGAINST 97 LATENT DEFECTS OR ANY WARRANTY OF MERCHANTABILITY OF THE GOODS OR OF THE FITNESS OF THE GOODS FOR ANY PARTICULAR PURPOSE P 4 nd Canada to be free from material defects in materials and workmanship under normal use and maintenance as follows 1 All complete air 2 299 elve 12 months from date of unit start up or eighteen 18 months from date of shipment from CM s factory whichever comes first and 2 Repair and replacement parts which are 7 not supplied under warranty for ninety 90 days from date of shipment from factory 4 25 Warranty parts shall be furnished by CM if ordered through an authorized sales representative of CM Representative within sixty 60 days after the failure of the part If CM determines that a parts order qualifies for replacement under CM s 4 warranty such parts shall be shipped freight prepaid to the Representative or the ultimate user as requested by Representative All duties taxes and other fees shall be paid by the ultimate user through the Representative P If requested by CM all defective parts shall be returned to CM s factory in Oklahoma City Oklahoma U S A freight and duty prepaid not later than sixty 60 days after the date of the request If the defective part is not timely returned or if CM 2 determines the part to not be defective or otherwise not to qui under CM s Limited Express Warranty CM shall invoice Customer the costs for the parts furnish
33. CXM controls and communicate with a user interface Below is a list of standard features that are included in the THW series controls A CAUTION A CAUTION Maximum leaving water temperature of the THW series equipment is 63 C For domestic hot water tank temperatures or heating buffer tank temperatures above 54 C pump and pipe sizing is critical to insure that the flow rate through the heat pump is sufficient to maintain leaving water temperatures below the maximum temperature and to provide water flow rates within the ranges shown in the performance section of this manual Outdoor temperature reset The heat pump capacity and water temperature delivery to the heating system must be designed for local weather conditions usually at the 99 6 outdoor temperature Therefore 99 6 of the heating season the heating load is less than it is at design conditions As the outdoor temperature decreases the heat loss of the structure increases which requires more capacity from the heating system If the water temperature is reduced as the outdoor air temperature increases and vise versa the heat pump operates at higher COP most of the year The MPC has a built in algorithm that adjusts the buffer tank temperature based upon outdoor air temperature to maximize efficiency and comfort Temperature settings may be adjusted at the user interface if factory defaults are not sufficient The base setpoint for energizing the compressor in
34. FC 410A as system failures and property damage may result ClimateMaster Water Source Heat Pumps THE SMART SOLUTION FOR ENERGY EFFICIENCY Tranquility Water to Water THW Series A WARNING A 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 A CAUTION A CAUTION Use only copper conductors for field installed electrical wiring Unit terminals are not designed to accept other types of conductors General Line Voltage Wiring Be sure the available power is the same voltage and phase as that shown on the unit serial plate Line and low voltage wiring must be done in accordance with local codes or the National Electric Code whichever is applicable THW Power Connection Line voltage connection is made by connecting the incoming line voltage wires to the power block as shown in Figure 5 Consult Table 5 for correct fuse size Table 5 Electrical Data Voltage Min Max Compressor Revised 02 January 2013 Electrical 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 wiring diagrams for fuse sizes and a schematic of the field connections which must be made by the installing or electrical contractor Consult the unit wiring diagram located on the inside of the compressor acces
35. HL WNVL N31V3H NOILISNNOD YOLSIWYSHL 334408 18 NOIL23NNOO YOLSIWYSHL 3unlvi3dH3l 33308 vo la NOLLO3NNO2 YOLSINYSHL NIV YOOGLNO vo 5 73877 1 NOILVIISILNAG NOLL23NNOO 41415 TWNIWYSL 39V1710A MOT ON SIA SMHG MS 9 1109 ON SIA lvo 9 QNO 5 3404 NOWWOD 1 ON S34 NOSN3S dW31 9 51 7 1 7 BEEN EE 5701900 ON SJA 398VHOSIO OND 8 11M T 1V1 3 f Nid r 31000H 9NIAY IS ON WNSIS 3402 85704 ON9 2H3 2 INOZ 3015 459040235 Y4AWHOASNVYL dWnd 3940 GSMM 1V3H INViava S3A ON 100201 27 9 11 NOILOSNNOO 9 Nid CB pa WSdv LINN 8 TWNOIS TWNOIS 5 115 A LAAN 123NNO5SIQ 7102 8 1102 zal 012109 J ow d4SA 1109 7109 IN AON39B3H3 OL OVATE do NO DM 2 t 102 INNS TEVA ONT WOOT INVIOVE SNIOVIS TVLUS TddNS OL VATE GEST FETUS SIDVINGO I N USASNON AVIAN 49 S13VANOD o LRA ADNISYIWI 5 GES
36. Keep the cabinet covered with the shipping carton until installation is complete and all plastering painting etc is finished 3 Verify refrigerant tubing is free of kinks or dents and that it does not touch other unit components 4 Inspect all electrical connections Connections must be clean and tight at the terminals 5 Locate and verify any HWG or other accessory sensors located in the compressor section A CAUTION A CAUTION DO NOT store or install units in corrosive environments or in locations subject to temperature or humidity extremes e g attics garages rooftops etc Corrosive conditions and high temperature or humidity can significantly reduce performance reliability and service life Always move and store units an upright position Tilting units on their sides may cause equipment damage A CAUTION A CAUTION CUT HAZARD Failure to follow this caution may result in personal injury Sheet metal parts may have sharp edges or burrs Use care and wear appropriate protective clothing safety glasses and gloves when handling parts and servicing heat pumps ClimateMaster Water Source Heat Pumps THE SMART Model 008 SOLUTION FOR ENERGY EFFICIENCY Tranquility Water to Water THW Series Revised 02 January 2013 Physical Data 010 Compressor qty Scroll 1 Factory Charge HFC 410A kg 2 51 2 50 Indoor Load Water Connection Size FPT in 1 Outdoor S
37. M 01234054 MOT 5 NOLSIHH3H Idd 7 LVISIWNSHI 9NI1002 2VA7Z 85 ONIMIM 3NI 01914 METS am 20 101 Ly SO 448 NNA 3055384409 O N SLOVINOD 802 304 GALIANNOD 38 33WHOJSNV3IL 062 802 a NOWWOD 2 39V110A INIT AN012V 4 3905 L Inv4 YATIONLNOD 3009 1201 39 19 LINN OL TIY Z 519078 dAd V0 18 5 N SLOVLNOD ATIWNUAINI 03103104 MOSSSMdHO aaisino VO ne 39V110A ANOLOW4 SALON 4292402 TALINN VN SLOVINOD a sec JASA 30 THE SMART SOLUTION FOR ENERGY EFFICIENCY Tranquility Water to Water THW Series CXM Control For detailed control information see CXM Application Operation and Maintenance AOM manual part 97B0003N 12 Field Selectable Inputs Test mode Test mode allows the service technician to c
38. NO M SNOILIANNOD 41915 TIVNIWH31I MHL 914 6 3002 SNITIAD 6 3002 5NIHSV 14 100201 243 193 QdddvMS YaLYVLS SW 2 8 3905 ONITIAD 8 3002 SNIHSY 1d NI SaN 300W 1531 YATIONLNOD dW 7109 gt NI NMOGLAHS HOLIMS 3HnSS3Hd 39NVH2 40 550 3009 1 3009 SNIHSV14 1531 5 M rat n 1NIO4 NONWOS 9 3002 9 3002 9NIHSV 1d AYOW3W NI L Inv3 02 3004 1531 HOLIMS 35155354 H9IH dH 140 3009 ONITIAD 3009 SNIHSV1 ANON NI 17193 23 1531 ZA 1 SLINA 39VIS OML SIOVINOO 2 N OML ISN ANNOYS HOLIMS YILYM gt 7 3002 9NI1242 7 3905 9NIHSY 1d AHOW3H NI Linva 193 300 1531 LIND MIV Ol N31VM NI 9319207 SL2V1NO2 2 N GETIVLSNI 01314 8 2178 32948 011231044 dW3L HOSN3S 34nss3Md H9IH T 1 nor a e Hee mod ine aren an ol ON ema um 30074 9934 378VINVA HOLIMS dW3l 514 HOLIMS aunssaud 1 3003 9Nr1243 13002 9NIHSV 14 NI 17793 1531 27 y d 12V1NO AYG WX NO WX2 IMF 102 430194 AW1dSI0 32VJN31NI YISN ain HOLIMS 123NNOO2SIG
39. OLLVH3dO 9 TIIM M3JHNOJSNVM 062 802 Av 3H NOHWO2 2 1 53002 1 YSTIONLNOD 3009 32 1 LIND OL Z 1 543151 YO4 SNOILISNNOD V0 18 J N 51991409 S9VLIOA INIT ANOL2V J WNL 18 SILON 12V1NO2 TVHI3DN VN SLOVINOD Ww 710 QN393 2 20 8010896 11 01 11 6990 11 WILNAGISSY 0S 007 210 800MH L Nod auu ClimateMaster Water Source Heat Pumps 28 THE SMART SOLUTION FOR ENERGY EFFICIENCY Water THW Series to Water Tranquility 2013 Revised 02 January THW 220 50 3 Units ing D Typical Wir Gas LON Nag XI 930 981 LHM 281 LHM 2 TA 3A EY 980 7 34 n 1 385 7 N39 2d XILSYWILYWITO 8 33S ETE TED 57198 Lany 0 m 55 01 OIA II
40. THW Series OUTDOOR DESIGN TEMP MAXIMUM WATER TEMP HOT WATER DEADBAND MANUAL OPERATION RESTORE DEFAULTS MINIMUM WATER TEMP BALANCE POINT TEMP climatemaster com Revised 02 January 2013 Electrical Controls 21 22 CLIMATEMASTER WATER SOURCE HEAT PUMPS Tranquility Water to Water THW Series Revised 02 January 2013 Electrical Wiring Diagram Matrix Model Diagram Number Voltage THW008 010 96B0108N01 220 50 1 THW008 010 96B0108N02 220 50 1 THWO08 012 9780108 03 380 420 50 3 THWO08 012 97B0108N04 380 420 50 3 ClimateMaster Water Source Heat Pumps THE SMART SOLUTION FOR ENERGY EFFICIENCY Tranquility Water to Water THW Series Revised 02 January 2013 THW 220 50 1 Units ing D Typical Wir
41. Y OL rr la 5 2 Indio SIMI 12NNO3 218378 TYNOLLAOy 7 A I2 v 22 Ne AVLSIWYSHL 9NI1002 L RN NIV 01 831VM L YSLSINYSHL 170 MEA 9 1 SIVNINYAL 4 2VATZ 300714 LNVIOVS 3 57102 TWNYSLX3 303 NOWWOD 2 2IH12313 1VNOLLdO 01 TWNOIS 2VA7Z 391 ANZ X77109 4 0 8 18 3 01 1 915 2VASZ AVLSOWYSHL 9 1000 OL IWNOIS IVATZ 1H LINN 9NI1002 01 TWNOIS 2VA Z QSMM 2 9 SIVNIWYAL 4 2VATZ 80074 LNVIGVE 3 NOILISNNOD YOLSIWYSHL YNYL N3lV3H N31VM Ha NOILISNNOD HOLSINNSHL H31V3H N31VM a afo a NOILISNNOD YOLSIWYSHL 1 333308 18 NOILISNNOD GSYVHS YOLSIWYSHL SYNLVYSdW3L NOOGLIQO MNVI 33318 90 18 NOLLO3NNO2 YOLSIWNSHL NIV YOOGLNO vo 53 T38v1 NOILV2IJILN3QI NOLLO3NNOO 31915 39V1 10 MOT 03 TIVO V SI 3X3HL dl TIVO 9NI1002 LdNYYSLNI TIIM AV I33 Q3TIVISNI Q 3I4 3WIL AWVS JHL LV HIV OL S31VM MHL JHL 40 NOILVYSdO 304 9371 LON SI S dWNd JHL NAHM WVYSVIC SIHL ISN M3lV3H YALVM LO3MIQNI YATIONLNOD 3
42. able 4 Antifreeze Percentages by Volume Revised 02 January 2013 Ground Loop Heat Pump Applications Flushing the Earth Loop Once piping is completed between the unit flow center and the ground loop Figure 3 final purging and charging of the loop is needed A flush cart at least a 1 1 kW pump is needed to achieve adequate flow velocity in the loop to purge air and dirt particles from the loop itself An antifreeze solution is used in most areas to prevent freezing All air and debris must be removed from the earth loop piping system before operation Flush the loop with a high volume of water at a high velocity 0 6 m s in all piping both directions The steps below must be followed for proper flushing Fill loop with water from a garden hose through flush cart before using flush cart pump to ensure an even fill Once full do not allow the water level in the flush cart tank to drop below the pump inlet line or air can be pumped back out to the earth loop Try to maintain a fluid level in the tank above the return tee so that air can not be continuously mixed back into the fluid 345 kPa surges 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 pump to 345 kPa To dead head the pump until maximum pumping pressure is reached open the valve back up and a pressure surge will be sent through the loop to help purge air pockets from the piping system
43. able at maximum water temperature 10 C 24 C 38 C Copper lt 20ppm NR NR Cupronickel lt 150 ppm NR NR 304 SS lt 400 ppm lt 250 ppm lt 150 ppm 316 SS lt 1000 ppm lt 550 ppm lt 375 ppm Titanium gt 1000 ppm gt 550 ppm gt 375 ppm Maximum Chloride Levels Erosion and Clogging lt 10 ppm of particles and a maximum 10 ppm lt 1 ppm sandfree for reinjection of particles and a maximum Particulate Size and velocity of 1 8 m s velocity of 1 8 m s Filtered for maximum 841 micron 0 84 mm Erosion Filtered for maximum 20 mesh size Any particulate that is not removed can potentially 841 micron 0 84 mm clog components 20 mesh size Rev 3 22 2012 The ClimateMaster Water Quality Table provides water quality requirements for ClimateMaster coaxial heat exchangers When water properties are outside of those i requirements an external secondary heat exchanger must be used to isolate the heat pump heat exchanger from the unsuitable water Failure to do so will void the warranty for the coaxial heat exchanger Notes Closed Recirculating system is identified by a closed pressurized piping system Recirculating open wells should observe the open recirculating design considerations NR Application not recommended No design Maximum ClimateMaster Water Source Heat Pumps THE SMART SOLUTION FOR ENERGY EFFICIENCY Tranquility Water to Water THW Series Piping Installation The typical closed loop
44. above ClimateMaster Water Source Heat Pumps THE SMART SOLUTION FOR ENERGY EFFICIENCY Tranquility Water to Water THW Series Controls User interface Figure 8 shows the factory installed and wired panel mounted user interface for customizing the MPC programming A large dot matrix style 2 x 2 5 x 5 cm back lit display is controlled by four arrow keys and a select key The main screen as shown in figure 9 displays current outdoor and water temperatures and allows the user to change settings by selecting one of the menus from the bottom of the screen see figure 11 THW User Interface Menu A special installer set up mode allows the technician to change some of the default MPC parameters The installer menu may only be accessed when the unit is placed in the off mode Holding the up and down buttons at the same time will cause the interface to enter the installer setup mode See figure 12 interface installer menu The user interface includes a time schedule for DHW generation Fahrenheit Celsius selection vacation mode for DHW and other user preference options Figure 8 THW User Interface lt gt AY Select Key Figure 9 THW User Interface Main Screen Revised 02 January 2013 Electrical Controls THW Series Control Features The advantage of a programmable controller as outlined above is the ability to integrate complex decision making tasks with the standard heat pump
45. ainless Steel amp Pewter Black 010 012 Source amp Load Water Coil Options C Copper Source amp Braze Plate Load a Cupro nickel Source amp Braze Plate Load Revision Level A Current Domestic Hot Water Heating Options 0 1 3 Way Voltage T 200 220 50 1 THWO08 010 Only 380 420 50 3 THW012 Only Cabinet Insulation 0 Residential Standard w UltraQuiet Controls Q Standard V Standard With VSFP 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 not avoided will result in death or serious injury DANGER labels on unit access panels must be observed A WARNING A WARNING Units are shipped with R 410A EarthPure refrigerant The EarthPure Application and Service Manual should be read and understood before attempting to service refrigerant circuits with R 410A A WARNING A WARNING To avoid the release of refrigerant into the atmosphere the refrigerant circuit of this unit must be serviced only by technicians who meet local state and federal proficiency requirements WARNING Indicates a potentially hazardous situation which if not avoided could result in death or serious injury CAUTION Indicates a potentially hazardous situation or an unsafe p
46. ambient air temperature This water to water heat pump is SOURCE MIN MAX 10 21 1 C capable of operating over a wide temperature range LOAD MIN MAX 21 1 54 4 and with flow rates of between 1 6 to 3 2 L M Per kW however usually no more than one of these factors may be at a minimum or maximum level at a time BUILDING OPERATING SOURCE MIN MAX 1 1 21 1 C LOAD MIN MAX 21 1 54 4 C AMBIENT MIN MAX 3 9 29 4 C AMBIENT MIN MAX 3 9 C 29 4 C The commissioning table indicates water temperatures which are suitable for initial unit commissioning in an environment where the flow rate and water temperature is not yet stable and to avoid nuisance shut down of the units freeze and refrigerant pressure safeties climatemaster com 33 34 CLIMATEMASTER WATER SOURCE HEAT PUMPS Tranquility Water to Water THW Series Revised 02 January 2013 Unit amp System Checkout A WARNING A WARNING Verify ALL water controls are open and allow water flow prior to engaging the compressor Freezing of the coax or water lines can permanently damage the heat pump BEFORE POWERING SYSTEM please check the following UNIT CHECKOUT a Balancing Shutoff Valves Ensure all isolation valves are open water control valves wired and open or coax may freeze and burst a Line Voltage and Wiring Ensure Voltage is within an acceptable range for the unit and wiring and fuses breakers are properly sized Low voltage wi
47. aser to file all necessary claims with the carrier Notify the ClimateMaster Traffic Department of all damage within fifteen 15 days of shipment Storage Equipment should be stored in its shipping carton in a clean dry area Store units in an upright position at all times Stack units a maximum of 3 units high Unit Protection Cover units on the job site with either shipping cartons vinyl film 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 all due precautions must be taken to avoid physical damage to the units and contamination by foreign material Physical damage and contamination may prevent proper start up and may result in costly equipment clean up Examine all pipes fittings and valves before installing any of the system components Remove any dirt or trash found in or on these components Pre Installation Installation Operation and Maintenance instructions are provided with each unit The installation site chosen should include adequate service clearance around the unit Before unit start up read all manuals and become familiar with the unit and its operation Thoroughly check the system before operation Prepare units for installation as follows 1 Compare the electrical data on the unit nameplate with ordering and shipping information to verify that the correct unit has been shipped 2
48. ature the temperature at which heating is no longer needed is the OAT at which maximum setpoint MaxBT reduction will occur The valid range for building balance point is 10 21 C with a default value of 16 C The minimum design water temperature is the minimum desired buffer tank Table 6 Buffer Tank Interface Inputs Setting Description Range Default Buffer Tank Set Point 21 60 C 38 C Buffer Tank Deadband 2 11 C 3 C Outdoor Design Temp 40 10 C 18 C Maximum Design Water Temp 27 60 C 54 C Minimum Design Water Temp SAM Building Balance Point Temp Joe The maximum design water temperature must be equal the buffer tank setpoint The buffer tank setpoint will override the maximum design temperature if they are entered with different values Figure 11 Example Outdoor Temperature Reset setpoint at the building balance point temperature The valid range for minimum buffer tank temperature is 21 49 C with a default value of 21 C If an OAT sensor is not detected or if a thermistor error has occurred the buffer tank setpoint will not be reduced based on the OAT value i e the controller will use the buffer tank setpoint as described in the previous paragraph Figure 11 shows an example outdoor temperature reset curve for a climate that has an outdoor design temperature of 20 C At design temperature the radiant floor system needs 52 C water However when the outdoor temper
49. ature is 20 C the home needs no heating building balance point In between 20 C and 20 C the water temperature in the buffer tank is adjusted accordingly For homes that are well insulated and tightly sealed the building balance point may be 13 C or lower so the slope of the line changes based upon settings at the user interface The radiant floor design temperature will also change the slope of the line If tighter pipe spacing is used for example the water temperature at the outdoor design temperature may only be 38 C Again as the settings are changed at the user interface the slope of the line will change As mentioned earlier the lower the heating water temperature at design conditions the higher the efficiency COP of the heat pump The combination of a lower design temperature and outdoor temperature reset can result in a significant impact on operating costs 55 50 45 40 35 Buffer Tank Tank Maximum Temperature Temperature 30 25 Buildin 20 Balance Design 15 Point 10 Buffer Tank Temperature C 30 25 20 15 10 5 0 Temperature P 5 10 15 20 25 30 Outdoor Temperature ClimateMaster Water Source Heat Pumps THE SMART SOLUTION FOR ENERGY EFFICIENCY Tranquility Water to Water THW Series Warm weather shutdown WWSD Radiant floor systems are the
50. de of design conditions Anti short cycle protection The control features 5 minute anti short cycle protection for the compressor Note The 5 minute anti short cycle also occurs at power up Random start The control features a random start upon power up of 5 80 seconds Fault Retry In Fault Retry mode the Status LED begins slowly flashing to signal that the control is trying to recover from a fault input The control will stage off the outputs and then try again to satisfy the thermostat input call Once the thermostat input call is satisfied the control will continue on as if no fault occurred If 3 consecutive faults occur without satisfying the thermostat input call the control will go into lockout mode The last fault causing the lockout will be stored in memory and can be viewed at the fault LED DXM board or by going into test mode CXM board Note FP1 FP2 faults are factory set at only one try Lockout In lockout mode the status LED will begin fast flashing The compressor relay is turned off immediately Lockout mode can be soft reset by turning off the thermostat or satisfying the call soft reset keeps the fault in memory but resets the control hard reset disconnecting power to the control resets the control and erases fault memory Lockout with emergency heat While in lockout mode if W becomes active CXM emergency heat mode will occur High pressure switch When the h
51. ded In ground water situations where scaling could be heavy or where biological growth such as iron bacteria will be present a closed loop system is recommended Heat exchanger coils may over time lose heat exchange capabilities due to a build up of mineral deposits inside These can be cleaned only by a qualified service mechanic as acid and special pumping equipment are required Expansion Tank and Pump Use a closed bladder type expansion tank to minimize mineral formation due to air exposure The expansion tank should be sized to handle at least one minute run time of the pump to prevent premature pump failure using its drawdown capacity rating The pump should be sized to the home s domestic water load 19 34 m plus the heat pump water load Discharge water from the unit is not contaminated in any manner and can be disposed of in various ways depending on local building codes i e 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 Water Control Valve Note the placement of the water control valve Always maintain water pressure in the heat exchanger by placing water control valves at the outlet of the unit to prevent mineral precipitation Pilot operated or Taco slow closing valve s solenoid valves are recommended to reduce water hammer If water hammer persists a mini
52. ed including freight The warranty on any part repaired or replaced under warranty expires at the end of the original warranty period This warranty does not cover and does apply to 1 Air filters of such portion or component 4 Products on which the unit identi 4 45 C bnormal temperatures or flow rates or unauthorized opening P 00 8 Mold fungus or bacteria damages 9 Products subjected to corrosion or abrasion 10 Products parts or components manufactured or supplied by other Products which have been subjected to misuse negligence ructions 13 Products which have defects damage or insufficient performance as a result of insufficient or incorrect system design or the improper of labor refrigerant materials or service incurred in diagnosis and removal of the defective part or in obtaining and replacing the new or repaired part 3 Transportation costs of the defective part from the installation site to CM or of the return of any part not covered by CM s Li mandatory and that may not be excluded under applicable imperative law LIMITATION OF REMEDIES In the event of a breach of this Limited Express Warranty or any warranty that is mandatory under applicable imperative law CM will change for the part or unit which led If after written n to CM s factory in Oklahoma City Oklahoma U S A of each defe lure and a reasonable number of attempts by CM to correct the defect
53. em governing the manufacture of ClimateMaster s products is ISO 9001 2008 certified ClimateMaster is a proud supporter of the Geothermal Exchange Organization GEO For more information visit geoexchange org ClimateMaster Inc 2007 ClimateMaster Water Source Heat Pumps
54. er to isolate pool water from the unit heat exchanger Potable Water Applications Insure load water flow in high temperature heating applications is at least 3 2 m per kW to improve performance and reduce nuisance high pressure faults Asecondary heat exchanger must always be used between the water to water heat pump and potable water tank Either an indirect water heat or brazed plate heat exchanger with a secondary pump will isolate the potable water from the heating water Figure 1a THW DHW Only Piping A A To DHW Storage Tank IN DHWHTG DHW Load HX brz climatemaster com CLIMATEMASTER WATER SOURCE HEAT PUMPS Tranquility Water to Water THW Series Revised 02 January 2013 Load Plumbing Installation Figure 1b THW Typical Load Pip ing P R V x H Indirect Water Heater i 7 Air Vent Note 1 Thermistor Note 2 To From Radiant Floor Radiator Baseboard or Fan Coil qh Heating System E m LL OUT OUT H DHW Heating UL Buffer Tank THW Unit Thermistor Note 2 Load HX brz ClimateMaster Water Source Heat Pumps For systems that do not include optional factory installed exp tank NOTES 1 2 3 Place air vent at the highest point in the system Thermistors should be installed in an im
55. ground source system is shown in Figure 3 All earth loop piping materials should be limited to only polyethylene fusion in inground sections of the loop Galvanized or steel fitting 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 in earth coupled applications and a flanged fitting substituted P T plugs should be used so that flow can be measured using the pressure drop of the unit heat exchanger in lieu of other flow measurement means Earth loop temperatures can range between 3 9 43 3 C Upon completion of the ground loop piping pressure test the loop to assure a leak free system Horizontal Systems test individual loops as installed Test entire system when all loops are assembled Vertical U Bends and Pond Loop Systems test vertical U bends and pond loop assemblies prior to installation with a hydrostatic test pressure of at least 689 kPa Table 3 Approximate Fluid Volume Fluid Volume liters per 30 meters Pipe Pipe Size Volume liters 1 15 3 23 8 34 3 14 6 10 4 16 7 29 8 40 7 67 0 30 9 40 7 63 4 Copper Rubber Hose 1 3 4 IPS SDR11 1 iPS SDR11 1 25 IPS SDR11 1 5 IPS SDR11 2 IPS SDR11 1 25 IPS SCH40 1 5 IPS SCH40 2 IPS SCH40 Polyethylene Unit Heat Exchanger Typical 3 8 Flush Cart Tank 254mm x 91 4cm tall 37 9 T
56. he lockout will be stored in memory and can be viewed by going into test mode Fault Retry In Fault Retry mode the Status LED begins slow flashing to signal that the control is trying to recover from a fault input The CXM control will stage off the outputs and then try again to satisfy the thermostat Y input call Once the input calls are satisfied the control will continue on as if no fault occurred If 3 consecutive faults occur without satisfying the Y input call then the control will go to Lockout mode The last fault causing the lockout will be stored in memory and can be viewed by going into test mode Consult the CXM AOM for complete descriptions climatemaster com 35 36 CLIMATEMASTER WATER SOURCE HEAT PUMPS Tranquility Water to Water THW Series Revised 02 January 2013 Preventive Maintenance Water Coil Maintenance Direct Ground Water Applications Only If the installation is performed in an area with a known high mineral content 125 P P M or greater in the water it is best to establish with the owner a periodic maintenance schedule so the coil can be checked regularly Consult the well water applications section of this manual for a more detailed water coil material selection Should periodic coil cleaning be necessary use standard coil cleaning procedures which are compatible with either the heat exchanger material or copper water lines Generally the more water flowing through the
57. heck the operation of the control in a timely manner By momentarily shorting the test terminals the CXM control enters a 20 minute test mode period in which all time delays are sped up 15 times Upon entering test mode the status LED will flash a code representing the last fault For diagnostic ease at the thermostat the alarm relay will also cycle during test mode The alarm relay will cycle on and off similar to the status LED to indicate a code representing the last fault at the thermostat Test mode can be exited by shorting the test terminals for 3 seconds Retry Mode If the control is attempting a retry of a fault the status LED will slow flash slow flash one flash every 2 seconds to indicate the control is in the process of retrying Field Configuration Options Note In the following field configuration options jumper wires should be clipped ONLY when power is removed from the CXM control Water coil low temperature limit setting Jumper JW3 FP1 Low Temp provides field selection of temperature limit setting for FP1 of 1 C or 12 C refrigerant temperature Not Clipped 1 Clipped 12 C Alarm relay setting Jumper 1 JW1 AL2 Dry provides field selection of the alarm relay terminal AL2 to be jumpered to 24VAC or to be a dry contact no connection Not Clipped AL2 connected to R Clipped 412 dry contact no connection DIP Switches Note In the following field configuration options
58. ice organization who installed the products will provide warranty performance for the owner Should the installer be unavailable contact any CM recognized Representative If assistance is required in obtaining warranty performance write or call Climate Master Inc Customer Service 7300 S W 44th Street Oklahoma City Oklahoma U S A 73179 405 745 6000 FAX 405 745 6068 NOTE Some countries do not allow limitations on how long ied warranty lasts or the limitation or exclusions of consequential or incidental damages so the foregoing exclusions and limitations may not apply to you This warranty gives you spe legal rights and you may also have other rights which vary from state to state and country to country Rev 10 09 LC079 DOQQ M WWW WW yfK l Jf AAA AAA AAA AAA AIK KRONOR RR RRR RRR RR RRR RRR RRR RRR 000000000 0000000000000000000000000000000000000000000030000003030000 Please refer to the CM Installation Operation and Maintenance Manual for operating and maintenance instructions 00 0000000000000000000000000000 RRNA NNN NN NNN NAN NN NNN NNN NNN AO 000000000000000000000000000000000000000000000000000000000000 9 06666666666666666666666666606 6 QQQ Q CAAA I0 90 AA 0 0 0 0 9 0 0 9 0 0 9 0 0 0 0 9 9000 4 U N d 3
59. igh pressure switch opens due to high refrigerant pressures the compressor relay is de energized immediately since the high pressure switch is in series with the compressor contactor coil The high pressure fault recognition is immediate does not delay for 30 continuous seconds before de energizing the compressor High pressure lockout code 2 Example 2 quick flashes 10 sec pause 2 quick flashes 10 sec pause etc Low pressure switch The low pressure switch must be open and remain open for 30 continuous seconds during on cycle to be recognized as a low pressure fault If the low pressure switch is open for 30 seconds prior to compressor power 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 FP1 input is bypassed for the initial 120 seconds of a compressor run cycle FP1 is set at the factory for one try Therefore the control will go into lockout mode once the FP1 fault has occurred FP1 lockout code 4 Over under voltage shutdown An over under voltage condition exists when the control voltage is outside the range of 19VAC to 30VAC Over under voltage sh
60. ing loop temperatures drop below 4 4 C or where piping will be routed through areas subject to freezing antifreeze is needed Alcohols and glycols are commonly used as antifreezes however your local territory manager should be consulted for the antifreeze best suited to your area Freeze protection should be maintained to 9 4 C below the lowest expected entering loop temperature All alcohols should be premixed and pumped from a reservoir outside of the building when possible or introduced under water level to prevent fuming Initially calculate the total volume of fluid in the piping system using Table 3 Then use the percentage by volume shown in Table 4 for the amount of antifreeze Antifreeze concentration should be checked from a well mixed sample using a hydrometer to measure specific gravity Low Water Temperature Cut Out Setting When an antifreeze is selected the low temperature limit setpoint should be switched to the lower setting to avoid nuisance faults Consult Low Water Temperature Cut Out Setting in the controls section for more information WARNING A WARNING Polyolester Oil commonly known as POE oil is a synthetic oil used in many refrigeration systems including those with HFC 410A refrigerant POE oil if it ever comes in contact with PVC or CPVS piping may cause failure of the PVC CPVC PVC CPVC piping should never be used as supply or return water piping with water Source heat pump products containing H
61. is no fault in memory the LED will flash Code 1 when in test mode CXM Control Start up Operation The control will not operate until all inputs and safety controls are checked for normal conditions The compressor will have a 5 minute anti short cycle delay at power up The first time after power up that there is a call for compressor the compressor will follow a 5 to 80 second random start delay After the random start delay and anti short cycle delay the compressor relay will be energized On all subsequent compressor calls the random start delay is omitted ClimateMaster Water Source Heat Pumps THE SMART SOLUTION FOR ENERGY EFFICIENCY Tranquility Water to Water THW Series Revised 02 January 2013 Unit Commissioning amp Operating Conditions Unit Commissioning amp Operating Conditions The operating table indicates the maximum and minimum ranges of the unit Environment This unit is designed for indoor installation only Do not install in an area subject to For more specific unit performance reference the freezing or where humidity levels can cause cabinet product catalog the submittal data sheets or contact condensation your supplier for assistance Power Supply A voltage variation of 10 of nameplate utilization voltage is acceptable BUILDING COMMISSIONING ENTERING WATER Operation and performance is primarily dependent TEMPERATURE upon water temperatures water flow rates and
62. kPa 1 Model 10 21 Source Outdoor Coax 19 3 24 3 25 0 31 5 31 1 38 7 008 010 012 Pressure Drop psi kPa Model 21 32 43 54 Load Indoor Heat Exchanger 15 9 2 34 008 5 6 4 41 5 4 7 3 4 27 o 7 79 6 7 8 9 6 48 10 61 012 Multiply psi by 2 31 to obtain feet of head Multiply kPa by 10 to obtain mBar Revised 02 January 2013 Unit Start Up Procedure a Check the voltage and current They should comply with the electrical specifications described on the unit nameplate b Look for wiring errors Check for loose terminal screws where wire connections have been made on both the line and low voltage terminal boards c Checkthe supply and return piping They must be properly connected to the inlet and outlet connections on the unit d If the checks described above fail to reveal the problem and the unit still will not operate contact a trained service technician to ensure proper diagnosis and repair of the equipment Note Units have a five minute time delay in the control circuit that can be bypassed on the CXM PCB CXM DXM Safety Control Reset Lockout In Lockout mode the Status LED will begin fast flashing The compressor relay is turned off immediately Lockout mode can be soft reset via the Y input or can be hard reset via the disconnect The last fault causing t
63. mersion well Locate thermistor in the bottom half of the tank P T pressure temperature ports are internal for units on load and source connections Other components additional ball valves unions etc may be required for ease of service This drawing shows only minimum requirements Your specific installation will dictate final component selections Buffer tank must be approved as a heating vessel Local code supercedes any piping arrangements or components shown on this drawing THE SMART SOLUTION FOR ENERGY EFFICIENCY Tranquility Water to Water THW Series Typical open loop piping is shown in Figure 2 Shut off valves should be included in case of servicing Boiler drains or other valves should be tee d into the line to allow acid flushing of just the heat exchanger Pressure temperature plugs should be used so that flow and temperature can be measured Piping materials should be limited to PVC SCH80 or copper Due to the pressure and temperature extremes PVC SCH40 is not recommended Water quantity should be plentiful and of good quality Consult Table 2 for water quality guidelines The unit can be ordered with either a copper or cupro nickel water heat exchanger Copper is recommended for closed loop systems and open loop ground water systems that are not high in mineral content or corrosiveness In conditions anticipating heavy scale formation or in brackish water a cupro nickel heat exchanger is recommen
64. nctional Fault Retry EM Flash Lockout Fast Flash Over Under Voltage Shutdown Slow Flash Test Mode No fault in memory Flashing Cod Cycling Code 1 Alarm Relay Open Closed Open Closed after 15 minutes Test Mode HP Fault in memory Flashing Cod Cycling Code 2 Test Mode LP Fault in memory Flashing Cod Cycling Code 3 Test Mode FP1 Fault in memory Flashing Cod Cycling Code 4 Test Mode FP2 Fault in memory Flashing Cod Cycling Code 5 Test Mode CO Fault in memory Flashing Cod Cycling Code 6 Test Mode Over Under shutdown in memory ashing Cod Cycling Code 7 Test Mode UPS in memory ashing Code 8 Cycling Code 8 Test Mode Swapped Thermistor Flashing Code 9 Cycling Code 9 Slow Flash 1 flash every 2 seconds Fast Flash 2 flashes every 1 second Flash code 2 2 quick flashes 10 second pause 2 quick flashes 10 second pause etc On pulse 1 3 second off pulse 1 3 second A CAUTION A CAUTION Do not restart units without inspection and remedy of faulting condition Equipment damage may occur climatemaster com 31 32 CLIMATEMASTER WATER SOURCE HEAT PUMPS Tranquility Water to Water THW Series Revised 02 January 2013 Safety Features CXM Control Safety Features CXM Control The safety features below are provided to protect the compressor heat exchangers wiring and other components from damage caused by operation outsi
65. nd switch Only relay or triac based electronic thermostats should be used with the AVMB valve When wired as shown the valve will operate properly with the following notations 1 The valve will remain open during a unit lockout 2 The valve will draw approximately 25 35 VA through the Y signal of the thermostat climatemaster com 16 CLIMATEMASTER WATER SOURCE HEAT PUMPS Tranquility Water to Water THW Series Revised 02 January 2013 Electrical Low Voltage Figure 8 Well Water AVMB Valve Wiring A CAUTION A CXM Board CAUTION Refrigerant pressure activated water regulating R Y valves should never be used with this equipment i AVMB Heater Switch Taco Valve Y1 MPC Valve must be wired in between the and MPC boards Remove the yellow wire from the CXM board and connect it to terminal 2 on the valve Add a new wire from terminal 3 to the Y terminal at the CXM board and a jumper wire from terminal 1 to terminal R at the CXM board as shown above Figure 9 Taco SBV Valve Wiring MPC Taco SBV Valve Valve must be wired in between the CXM and MPC boards Remove the yellow wire from the CXM board and connect it to the w y terminal on the valve Add a new wire from the end switch bottom connection to the the Y terminal at the CXM board and a jumper wire from the w y terminal to the other side top connection of the end switch as shown
66. on appears abnormal Reference the operating chart for pressure and temperatures Verify that water flow rates are at proper levels before servicing the refrigerant circuit ClimateMaster Water Source Heat Pumps THE SMART SOLUTION FOR ENERGY EFFICIENCY Tranquility Water to Water THW Series Revised 02 January 2013 Warranty 00000900000000000000900000009000000090000000 02 OR 9 9 Yf f 96 00000090990000900000990000999000090000000000000000000000000000000000000000000000 a CLIMATE MASTER INC SS LIMITED EXPRESS WARRANTY LIMITATION OF REMEDIES AND LIABILITY CLIMATEMASTER FOR INTERNATIONAL CLASS PRODUCTS Geothermal Heat Pump Systems I Disclaimer It is expressly understood that unless a statement is specifically identified as a warranty statements made by Climate Master Inc a Delaware corporation U S A or its representatives relating to CM s products whether oral writ I ten or contained in any iterature catalog this or any other agreement or other materials are not express warranties and do not form a part of the basis of the bargain but are merely CM s opinion or commendation of CM s products EXCEPT AS 758 SPECIFICALLY SET FORTH HEREIN AND THE FULLEST EXTENT PERMITTED BY APPLICABLE LAW CM MAKES NO WARRANTY AS ANY OF CM S PRODUCTS AND
67. ource Water Connection Size FPT in 1 Domestic Hot Water Connection Size FPT in 1 Weight Operating kg Weight Packaged kg Dual isolation compressor mounting Balanced Port Expansion Valve TXV Insulated Source and Load Water Coils FPT Female Pipe Thread Maximum Working Pressure Water Side Base Unit kPa 2068 DHW Option kPa 2068 Internal Source Pump w Expansion Tank kPa 310 Internal Load Pump w Expansion Tank kPa 310 climatemaster com CLIMATEMASTER WATER SOURCE HEAT PUMPS Tranquility Water to Water THW Series Revised 02 January 2013 Dimensional Data Notes 1 Front Side and Top access is preferred for service access However all components may be serviced from the front and Top access panels if side access is not available While clear access to all removable panels is not required installer should take care to comply with all building codes and allow adequate clearance for future field service Water Connections 1 2 3 4 Electric Access Plugs Overall Cabinet D E F G H J K L M Source Source Load Load DHW DHW ESN Tum Outdoor Outdoor Indoor Indoor Water In Water Out Water In Water Out Voltage Voltage 8 6 20 6 56 6 28 7 45 0 36 6 85 3 90 4 8 6 20 6 56 6 28 7 45 0 36 6 85 3 90 4 8 6 20 6 56 6 28 7 45 0 36 6 85 3 90 4
68. ractice which if not avoided could result in minor or moderate injury or product or property damage NOTICE Notification of installation operation or maintenance information which is important but which is not hazard related A WARNING A WARNING All refrigerant discharged from this unit must be recovered WITHOUT EXCEPTION Technicians must follow industry accepted guidelines and all local state and federal statutes for the recovery and disposal of refrigerants If a compressor is removed from this unit refrigerant 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 climatemaster com CLIMATEMASTER WATER SOURCE HEAT PUMPS Tranquility Water to Water THW Series Revised 02 January 2013 General Information Inspection Upon receipt of the equipment carefully check the shipment against the bill of lading Make sure all units have been received Inspect the carton or crating of each unit and inspect each unit for damage Assure the carrier makes proper notation of any shortages or damage on all copies of the freight bill and completes a common carrier inspection report Concealed damage not discovered during unloading must be reported to the carrier within 15 days of receipt of shipment If not filed within 15 days the freight company can deny the claim without recourse Note It is the responsibility of the purch
69. rameter Material Recirculating Open Loop and Recirculating Well Scaling Potential Primary Measurement Above the given limits scaling is likely to occur Scaling indexes should be calculated using the limits below pH Calcium Hardness Method Index Limits for Probable Scaling Situations Operation outside these limits is not recommended Scaling indexes should be calculated at 66 C for direct use and HWG applications and at 32 C for indirect HX use A monitoring plan should be implemented Ryznar 6 0 7 5 Stability Index If 27 5 minimize steel pipe use 0 5 to 40 5 If lt 0 5 minimize steel pipe use Based upon 66 C HWG and Direct well 29 C Indirect Well HX pH 7 5 and Ca Hardness 100ppm Langelier Saturation Index Iron Fouling Iron Fe 7 Ferrous 0 2 ppm Ferrous Bacterial Iron potential If Fe ferrous gt 0 2 ppm with pH 6 8 O2 5 ppm check for iron bacteria lt 0 5 ppm of Oxygen Above this level deposition will occur Iron Fouling Corrosion Prevention 6 85 6 8 5 pH Monitor treat as needed 0 5 ppm J At H5S gt 0 2 ppm avoid use of copper and copper nickel piping or HX s Hydrogen Sulfide H5S 2 Rotten egg smell appears at 0 5 ppm level Copper alloy bronze or brass cast components are OK to lt 0 5 ppm Minimize steel pipe below 7 and no open tanks with pH 8 Ammonia ion as hydroxide chloride nitrate and sulfate compounds lt 0 5 ppm Maximum Allow
70. ring is complete Unit Control Transformer Ensure transformer has properly selected control voltage tap Q Entering Water Ensure entering water temperatures are within operating limits of Table 7 Low Water Temperature Cutout Verify low water temperature cut out on CXM DXM is properly set a Water Flow Balancing Verify inlet and outlet water temperatures on both Load and source are recorded for each heat pump upon startup This check can eliminate nuisance trip outs and high velocity water flows that can erode heat exchangers Unit Controls Verify DXM field selection options are proper and complete SYSTEM CHECKOUT Q System Water Temperature Check load and source water temperature for proper range and also verify heating and cooling setpoints for proper operation Q System pH System water pH is 6 8 5 Proper pH promotes longevity of hoses and fittings Q System Flushing Water used in the system must be potable quality initially and clean of dirt piping slag and strong chemical cleaning agents Verify all air is purged from the system Air in the system can cause poor operation or system corrosion a Cooling Tower Boiler Check equipment for proper setpoints and operation a 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 Miscellaneous Note any questionable aspects of the in
71. ructions A CAUTION A CAUTION Refrigerant pressure activated water regulating valves should never be used with this equipment climatemaster com CLIMATEMASTER WATER SOURCE HEAT PUMPS Tranquility Water to Water THW Series Revised 02 January 2013 Ground Water Heat Pump Systems Figure 2 Typical Open Loop Well Application Strainer optional A WARN WARNING Polyolester Oil commonly known as POE Flow regulator wae d From pressure tank oil is a synthetic oil used in many refrigeration systems X including those with HFC 410A refrigerant POE oil if it XH Hl To proper discharge location ever comes in contact with PVC or CPVS piping may Eit E cause failure of the PVC CPVC PVC CPVC piping should IN a Wade never be used as supply or return water piping with water PIT port High Pressure Switch source heat pump products containing HFC 410A as Baler drain Yor lusting system failures and property damage may result NOTES THW 1 P T pressure temperature ports are internal for THW series units 2 Other components additional ball valves unions etc may be required for ease of service This drawing shows only minimum requirements Your specific installation will dictate final component selections 3 Local code supercedes any piping arrangements or components shown on this drawing Source HX coaxial Table 2 Water Quality Standards Water Quality HX Closed Pa
72. ry setting of FP1 is set for water 1 1 C In cold temperature applications jumper JW3 FP1 antifreeze 12 2 C should be clipped as shown in Figure 6 to change the setting to 12 2 C a more suitable temperature when using antifreezes Accessory Connections A terminal paralleling the compressor contactor coil has been provided on the CXM DXM control of the THW unit Figure 6 Changing FP1 Low Water Temperature Cutout Setpoint Fh me ce JW3 FP1 jumper M ium should be clipped when antifreeze is used CXM Board A has been provided to control accessory devices such as water valves electronic air cleaners humidifiers etc Note This terminal should be used only with 24 Volt signals and not line voltage signals This signal operates with the compressor contactor See Figure 7 or the wiring schematic for details Figure 7 Accessory Wiring Terminal Strip C 4 O Typical c Water Valve A Water Solenoid Valves Figures 8 and 9 illustrate a typical slow closing water control valve wiring A slow closing valve may be required to prevent water hammer When using an AVMB Taco Slow Closing valves on THW Series equipment Figure 9a wiring should be utilized The valve takes approximately 60 seconds to open very little water will flow before 45 seconds and it activates the compressor only after the valve is completely opened by closing its e
73. s panel to ensure proper electrical hookup All final electrical connections must be made with a length of flexible conduit to minimize vibration and sound transmission to the building Control Transformer Dual Voltage Confirm that power supply and transformer are compat ible and switch wiring as necessary Min Code Voltage Voltage Qty RLA LRA Circuit Amps 200 220 50 1 190 242 THWO008 23 6 244 25 2 380 420 50 8 361 462 8 3 9 1 9 9 200 220 50 1 190 242 THWO010 30 9 31 7 33 3 380 420 50 3 361 462 9 9 10 7 12 3 THWO012 380 420 50 8 361 462 12 3 13 3 15 5 climatemaster com 13 CLIMATEMASTER WATER SOURCE HEAT PUMPS Tranquility Water to Water THW Series Revised 02 January 2013 Electrical Line Voltage Figure 4 THW 50Hz Line and Low Voltage 14 ClimateMaster Water Source Heat Pumps THE SMART SOLUTION FOR ENERGY EFFICIENCY Tranquility Water to Water THW Series Revised 02 January 2013 Electrical Low Voltage Low Voltage Connections The thermistors sensors and other low voltage wiring should be connected to the 12 position terminal strip in the THW control box See figure 4 and unit wiring diagram for details Low Water Temperature Cutout FP1 The CXM DXM control allows the field selection of source fluid low temperature cutout points The facto
74. sa SI 035070 340 HSV14 MOIS NMOGLNHS S9VL1OA Y30NN Y3A0 NOT 102Nn 17 1 915 AZ 9 M3WMOJSNvH YBLVM LOH 1MHQ MOT YOLSINYSHL e 935015 Hsvid 1574 110 301 39V170A ATddNS N31V3N9 NO 39V170 ANY 55772 81 M31VM LOH 5 MHA 40 5 13 MOIS Alay Linvs 38 LSAW LINN IHL OL SNIBIM TONLNOD 304 ILIM W 330 SI WXD NOLLVOllddV NOLLVTIVLSN 19151 MO NOT ddW 01 3434 5 ss Hg HOLIMS 3univu3dWal oto ONIMIM TWNOILdO 385 SZ 235 8 035019 31043 NO ONINUYM 7M IVWHON EMP LNI SNOLLTIOS 3235 4 ae YOLOVLNOD 5055384009 32 bo 11181 777777 303 MO S3GIAONd YOLSINYSHL Idd 7 lVISIMH3Hl 9NI1000 72 14 ONIMIM S9VLIOA 0731 40 200W IWWSON 82 M 01 ava 7 19 ava 596 301931089 3SUSASH ddl NNA 4055354409 249 SLOVINOD avay ONIMIM 39V110A 07314 AYTAY emn 20 HO N
75. stallation A WARNING A WARNING To avoid equipment damage DO NOT leave system filled in a building without heat during the winter unless antifreeze is added to system water Condenser coils never fully drain by themselves and will freeze unless winterized with antifreeze Figure 13 Test Mode Pins Short test pins together to enter Test Mode and BAG COG GG c speed up timing ORE and delays for 20 minutes E Ps CXM Board ClimateMaster Water Source Heat Pumps THE SMART SOLUTION FOR ENERGY EFFICIENCY Tranquility Water to Water THW Series A WARNING A 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 1 Adjust all valves to their full open position Turn on the line power to all heat pump units 2 Operate each heat pump in the heating cycle Verify heat exchanger flow rates based upon table 7 and temperature drop rise based upon unit performance tables 3 Establish a permanent operating record by logging the unit operating conditions at initial start up for each unit 4 faunit fails to operate conduct the following checks A WARNING A WARNING Verify ALL water controls are open and allow water flow prior to engaging the compressor Freezing of the coax or water lines can permanently damage the heat pump Table 8 Heat Exchanger Water Pressure Drop Pressure Drop
76. stem initially Run the unit in either heating or cooling for a number of minutes to condition the loop to a homogenous temperature This is a good time for tool cleanup piping insulation etc Then final flush and pressurize the loop to a static pressure of 275 345 kPa winter 100 138 kPa summer After pressurization be sure to remove the plug in the end of the Grundfos loop pump motor s to allow trapped air to be discharged and to insure the motor housing has been flooded This is not required for Taco circulators Insure the loop flow center provides adequate flow through the unit by checking pressure drop across the heat exchanger and comparing it to the figures shown in Table 8 Figure 3 Typical Earth Loop Connection To From Ground Loop Optional Flow Controller for units not equipped with an internal pump Flow Controller wor P T port UT TH 5 1 P T pressure temperature ports are internal THW series units Source water piping must be insulated for closed loop installations Other components additional ball valves unions etc may be required for ease of service This drawing shows only minimum requirements Your specific installation will dictate final component selections 4 Local code supercedes any piping arrangements or components shown on this drawing m THW Sound absorbing pad Antifreeze In areas where minimum enter
77. t can be used to interface with the THW unit DHW priority By default DHW heating always takes priority over space heating Normally the hot water load will be satisfied quickly and the unit can then switch back to space heating Time schedule DHW temperatures may be adjusted during occupied unoccupied times via the user interface to save energy costs Vacation mode DHW generation may be disabled when the user interface is placed in vacation mode A return date and time may be set to restore normal DHW temperatures Emergency DHW generation If the THW unit is locked out a 24VAC signal can be sent to a contactor at the water heater to allow the operation of the electric elements and associated thermostat Enhanced heat pump lockouts Like any ClimateMaster unit the CXM board locks out the compressor any time a lockout condition occurs The MPC reads the lockouts from the CXM and reports the condition to the user interface The user interface changes from a blue backlight to a red backlight indicating a lockout The actual lockout is reported e g High Pressure atthe interface In addition to the standard CXM faults the MPC checks for bad thermistors and high compressor discharge temperature which are also reported at the user interface Pump control If the optional load and source pump s are selected the control energizes the pumps any time the compressor is operating Variable speed floor pump VSFP ou
78. tput Some radiant floor systems utilize a variable speed pump on the floor system which changes flow based upon the number of zones open or closed Since the pump has built in controls only a power supply is needed An optional power terminal is available for VSFP applications climatemaster com 19 20 CLIMATEMASTER WATER SOURCE HEAT PUMPS Tranquility Water to Water THW Series Revised 02 January 2013 Electrical Controls Figure 12 THW User Interface Menu DAYLIGHT SAVINGS SETDATE HORE YRR in EVENTS MAIN SCREEN gt PERDAY PROGRAM PROGRAM 2ND STAGE MENUL MAIN MENU SETTINGS HEAT MODE PROGRAM SCREEN 12 OR 24 HOUR gt CLOCK SCREEN sertines LANGUAGE CONTRAST TEMPERATURE gt OFFSETS BACKLIGHT TEMP ADJUST LOCKOUT SECURITY gt LOCKOUT TOTAL KEYPAD FAULT FAULT LOCKOUT gt STATUS DESCRIPTION SERVICE TEMPERATURE INFORMATION gt STATUS CLEAR FAULT gt HISTORY OPERATING MODE ClimateMaster Water Source Heat Pumps Figure 13 THW Installer Interface Menu INSTALLER MENU THE SMART SOLUTION FOR ENERGY EFFICIENCY BUFFER TANK SETPOINT BUFFER TANK DEADBAND Tranquility Water to Water
79. unit the less chance for scaling Water Coil Maintenance All Other Water Loop Applications Generally water coil maintenance is not needed however if the installation is located in a system with a known high dirt or debris content it is best to establish with the owner a periodic maintenance schedule so the coil can be checked regularly These dirty installations are a result of the deterioration of iron or galvanized piping or components in the system or open cooling towers requiring heavy chemical treatment and mineral buildup through water use Should periodic 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 excessive flow rates can produce water or debris velocities that can erode the heat exchanger wall and ultimately produce leaks Compressor Conduct annual amperage checks to ensure amp draw is no more than 10 greater than that indicated by serial plate data Cabinet Do not allow water to stay in contact with the cabinet for long periods of time to prevent corrosion of the cabinet sheet metal Generally equipment cabinets are set up from the floor a few inches for prevention The cabinet can be cleaned using a mild detergent Refrigerant System To maintain sealed circuit integrity do not install service gauges unless unit operati
80. ures of 3 C If the outdoor air temperature OAT rises above the activation temperature the cooling enable signal see below is enabled and the control no longer controls the buffer tank temperature If the OAT falls below the deactivation temperature the control resumes monitoring the buffer tank temperature Cooling enable Cooling enable is tied to the WWSD feature desired the water to air unit controls can be wired to the THW unit controls which will allow the water to air unit to operate during WWSD but will disable the water to air unit when the THW unit is not in WWSD mode When a heat pump thermostat is connected to the water to air unit forced air heating may be used for the shoulder seasons allowing quick heating to cooling changeover If this feature is used the consumer will easily be able to tell when WWSD is enabled because the water to air unit thermostat will only be active during WWSD Otherwise the water to air unit thermostat will be disabled indicating that the consumer should utilize the hydronic heating e g radiant floor thermostat Revised 02 January 2013 Electrical Controls Second stage heating backup boiler Optimal heat pump sizing may not include a water to water heat pump that can handle 10096 of the heating load When a backup boiler is used to supplement the heating capacity a 24VAC output from the THW unit can energize the boiler The boiler control box simply needs a relay tha
81. ut down is a self resetting safety If the voltage comes back within range for at least 0 5 seconds normal operation is restored This is not considered a fault or lockout If the CXM is in over under voltage shutdown for 15 minutes the alarm relay will close Over under voltage shut down code 7 Unit Performance Sentinel UPS patent pending The UPS feature indicates when the heat pump is operating inefficiently A UPS condition exists when a In heating mode with compressor energized FP2 is greater than 52 C for 30 continuous seconds or b In cooling mode with compressor energized FP1 is greater than 52 C for 30 continuous seconds or c In cooling mode with compressor energized FP2 is less than 4 5 C for 30 continuous seconds If a UPS condition occurs the control will immediately go to UPS warning The status LED will remain on as if the control is in normal mode Outputs of the control excluding LED and alarm relay will NOT be affected by UPS The UPS condition cannot occur during a compressor off cycle During UPS warning the alarm relay will cycle on and off The cycle rate will be on for 5 seconds off for 25 seconds on for 5 seconds off for 25 seconds etc UPS warning code 8 Diagnostic Features The LED on the CXM board advises the technician of the current status of the CXM control The LED can display either the current CXM mode or the last fault in memory if in test mode If there

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Tranquility® Water-to-Water (THW) Series