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51

IOM, XT Models

Enertech Global

To suction line bulb

To suction line

A

ir C

oil

Suc

tion

C

oax

Discharge

Heating

Mode

A

ir C

oil

Suc

tion

C

oax

Discharge

Cooling

Mode

Liquid line (heating)

°F

Liquid line (cooling)

°F

Discharge Line

psi

(saturation)

°F

Suction Line

psi

(saturation)

°F

Suction temp

°F

A

ir C

oil

TXV

Filter Drier

Reversing

Valve

Source

Coax

Optional desuperheater

installed in discharge line

(always disconnect during

troubleshooting)

Source (loop) IN

Source (loop) OUT

°F

psi

°F

psi

Return Air

°F

Supply Air

°F

GPM

Customer/Job Name:____________________________________________  Date:________________________________

Model #:__________________________________________  Serial #:____________________________________________

Antifreeze Type:____________________________________

HE or HR = GPM x TD x Fluid Factor

(Use 500 for water; 485 for antifreeze)

SH = Suction Temp. - Suction Sat.

SC = Disch. Sat. - Liq. Line Temp.

Section 12: Troubleshooting

Refrigeration Troubleshooting Form

Содержание XT024

Страница 1: ...Installation OperationsManual XT MODELS PACKAGED WATER TO AIR MULTI POSITIONAL HEAT PUMPS 20D218 03NN 20D218 03NN Revision A...

Страница 2: ...Water Quality Guidelines 14 Interior Piping 15 Typical Pressurized Flow Center Installation 15 Typical Non Pressurized Flow Center Installation 16 Pressurized Flow Center and Pump Mounting 17 Condens...

Страница 3: ...kout with Emergency Heat 39 Lockout Board LED Identification 39 Sequence of Operation 40 Section 10 Wiring Diagrams Two Stage ECM Single Phase 208 230V 60HZ 41 Two Stage ECM Three Phase 208 230V 60HZ...

Страница 4: ...ures Part Load 41 F heating 68 F cooling AHRI Performance Data Btu hr COP Btu hr EER Full Load 19 800 4 3 27 200 20 3 Part Load 16 600 4 8 21 400 29 1 Full Load 29 200 4 2 38 900 18 3 Part Load 23 200...

Страница 5: ...ging Enertech units are mounted to wooden pallets for easy handling during shipment and installation Units are protected during shipment with durable cardboard corner posts top and air coil panels Shr...

Страница 6: ...amiliar with unit components and operation Thoroughly check the unit before operating 6 Determine discharge and return air patterns prior to unit assembly and installation Section 2 Installation Intro...

Страница 7: ...turer s recommendations The National Electrical Code and all local codes and ordinances Section 3 Installation Considerations Thermostat Thermostats should be installed approximately 54 inches off the...

Страница 8: ...equivalent to prevent transfer of vibration noise to the ductwork The flex connector should be designed so as not to restrict airflow Turning vanes should be used on any transition with airflow over 5...

Страница 9: ...tion and remove any packaging material or documentation included in the unit Maintain the installation instructions included with any kits for installation during unit assembly Remove and discard any...

Страница 10: ...l CSP Compressor Service Panel CAP Control Access Panel ASP Access Service Panel FPT Female Pipe Thread Top View Top Discharge 8 12 16 00 32 20 16 00 28 01 30 33 Control Box AIR COIL SIDE Front Back V...

Страница 11: ...1750 1235 1490 800 ON OFF OFF OFF ON OFF OFF OFF D 1300 1500 1300 1550 725 ON OFF OFF ON ON OFF OFF OFF 072 A B 1850 2100 1750 2150 1490 1830 1075 OFF OFF ON OFF OFF OFF OFF OFF C 1650 2000 1600 1900...

Страница 12: ...1 3 460 3 38 0 5 7 3 9 N A N A 9 6 11 0 15 14 67 048 1 208 230 1 104 0 21 2 5 2 0 5 5 5 32 4 37 7 50 8 79 0 208 230 1 104 0 21 2 5 2 N A N A 26 4 31 7 50 8 97 2 208 230 3 83 1 14 0 5 2 N A N A 19 2 22...

Страница 13: ...rt the unit to downflow supply air 1 Remove the screws holding the blower and heater housing and drop the assembly down 2 Remove the block off plate from the area under the blower housing on the botto...

Страница 14: ...he heat exchanger and corrosion of the internal parts are two of the potential problems The Department of Natural Resources or your local municipality can direct you to the proper testing agency Pleas...

Страница 15: ...rcial earth loops that require a flow rate of no more than 20 gpm 1 1 4 fusion x 1 double o ring fittings AGA6PES are furnished with the double o ring flow centers for HDPE loop constructions Various...

Страница 16: ...flushed with a purge cart The non pressurized flow center needs to be isolated from the flush cart during flushing because the flow center is not designed to handle pressure Since this is a non pressu...

Страница 17: ...ump will occur when the pump is not in the important to pump is terminal and proper control pump terminal must located in a to running into the control and also to the designed to drain any that may a...

Страница 18: ...n on installing EZ Trap see installationsheet that comes with the EZ Trap Kit Always install the air vent after the trap Note Connect the drain through the trap to the condensation drain system in con...

Страница 19: ...oved from the system before operation or pump failure could result The flush ports located on the flow center are access to the piping system for the flush cart See figure 7 for connection details The...

Страница 20: ...ctions Figure 8 Flow Center 3 Way Valves Flush Port Flush Port Flush Port Flush Port Loop Loop Loop Loop Unit Unit Unit Unit Section 5 Unit Piping Installation 1 Once the water level stays above the T...

Страница 21: ...ed 100 psi under any circumstance 9 Turn the 3 way valves on the flow center back to the normal operation mode which closes the flush port connections 10 Open the ball valves on the flush cart to reli...

Страница 22: ...erials Stability Will the brine require periodic change out or maintenance Convenience Is the antifreeze available and easy to transport and install Codes Will the brine meet local and state provincia...

Страница 23: ...tilled water with their products Antifreeze Charging Calculate the total amount of pipe in the system and use Table 4 to calculate the amount of volume for each specific section of the system Add the...

Страница 24: ...utions recommend the use of de ionized water Tap water may include chemicals that could react with the antifreeze solution Type of Antifreeze Minimum Temperature for Freeze Protection 10 F 12 2 C 15 F...

Страница 25: ...air coil Source Out Source In P T Ports P T Ports air coil Source Out Source In P T Ports Shut Off Valves Shut Off Valves Equipment Pad 2 Polyethylene Foam Equipment Pad 2 Polyethylene Foam Flow Cent...

Страница 26: ...ce the system is completed to avoid nuisance service calls Hose kits are optional but make for an easier installation since the P T ports and connections are included The hose also helps to isolate th...

Страница 27: ...27 IOM XT Models Enertech Global Open Loop Single Stage Solenoid Connections 2nd STAGE Open Loop Two Stage Solenoid Connections Section 5 Unit Piping Installation...

Страница 28: ...Plumbing Installation NOTE All plumbing and piping connections must comply with local plumbing codes Note Copper is the only approved material for desuperheater piping TIP Measure the distance above...

Страница 29: ...close to the tee in the cold water line Open the air vent and all shut off valves installed in the hot water hot 15 Turn the water supply to the water heater on Fill water heater Open highest hot wate...

Страница 30: ...es Drain Valve HWG In HWG Out Hot Water Out Hot Water In 3 4 Copper Adapter Fitting Unit Water Connection Detail Air Coil Air Vent Located at System High Point Cold Water Supply Hot Water Water Heater...

Страница 31: ...a potentially hazardous situation or an unsafe practice which if not avoided COULD result in minor or moderate injury or product or property damage WARNING Indicates potentially hazardous situation wh...

Страница 32: ...ctric heat accessories The installation instructions list the possible combinations and other important electrical data and limitations Note AHTR electric heaters are not backward compatible Inspectio...

Страница 33: ...ERSONAL INJURY OR DEATH BEFORE INSTALLING MODIFYING OR SERVICING SYSTEM MAIN ELECTRICAL DISCONNECT SWITCH MUST BE IN THE OFF POSITION THERE MAY BE MORE THAN ONE DISCONNECT SWITCH LOCK OUT AND TAG SWIT...

Страница 34: ...1 Shut OFF electrical power at unit disconnect switch or service panel 2 Remove the upper front panel from unit Locate and remove the blank filler plate from the internal discharge plenum 3 If unit is...

Страница 35: ...3 60 10 208 230 1 152 9 27 1 6 9 0 0 5 5 39 5 46 3 70 11 208 230 1 152 9 27 1 6 9 0 5 5 5 40 0 46 8 70 20 208 230 3 110 0 16 5 6 9 0 0 0 0 23 4 27 5 40 21 208 230 3 110 0 16 5 6 9 0 5 0 0 23 9 28 0 45...

Страница 36: ...g do not PART PART NAME designer E Parts List QTY DESCRIPTION PART NUMBER ITEM 1 BOX CONTROL PLATE GALVANIZED 13P005 01HN 1 1 BOX CONTROL DIVIDER GALVANIZED 13P004 01HN 2 1 PLATE TERMINAL STRIP CONTRO...

Страница 37: ...shorten most timing delays for faster diagnostics by changing the position of a jumper located on the lockout board Water Solenoid Valve Connections Two accessory relay outputs at the terminal strip p...

Страница 38: ...rd fault within 30 minutes the board will go into lockout mode and the Call For Service indicator on the thermostat will illuminate Intelligent Lockout Reset If the thermostat is powered off then back...

Страница 39: ...er is installed the A terminal is energized 10 seconds before the compressor is energized When the jumper is removed the A terminal is energized with the compressor If using a water solenoid valve wit...

Страница 40: ...n is started immediately at 75 of 1st stage operation CFM level based on DIP switch settings first stage compressor and the loop desuperheater pump s are energized 10 seconds after the Y1 input is rec...

Страница 41: ...41 IOM XT Models Enertech Global Section 10 Wiring Diagrams Two Stage ECM Single Phase 208 230V 60HZ...

Страница 42: ...42 Enertech Global IOM XT Models Section 10 Wiring Diagrams Two Stage ECM Three Phase 208 230V 60HZ...

Страница 43: ...43 IOM XT Models Enertech Global Section 10 Wiring Diagrams Two Stage ECM Single Phase 460V 60HZ...

Страница 44: ...water temperature in and out at the P T ports use insertion probe Allow 10 minutes of operation before recording temperature drop 6 Calculate the heat of extraction or heat of rejection Plumbing Pipe...

Страница 45: ...e Out Source Water Pressure Drop F F F F F F Heat of Rejection Extraction BTU HR BTU HR F F F F F F Cooling Heating F F F F F F Heating F F F Heating V A GA A Source Water Temp Difference Cooling Heat...

Страница 46: ...ion is recorded find corresponding entering water temperature column in Specification Manual for unit Find pressure differential in PSI column in Spec Manual Then read the GPM column in Spec Manual to...

Страница 47: ...to make the project easier to complete ECM Temporary Motor Replacement ECM Motor Troubleshooting Troubleshooting a TXV Compressor Troubleshooting Variable Speed Flow Centers Return Conversion for and...

Страница 48: ...ontactor operation See Note A No Yes OK Single Phase 208 230 C Line Winding R Run Winding S Start Winding R efer to th e com pressor w on t start flow chart Is the c om pre ssor run ning N o O K S hut...

Страница 49: ...switch for a couple seconds If compressor runs properly check switch If defective replace If switch is not defective check for air in loop system Make sure loop system is properly purged Verify flow r...

Страница 50: ...versing valve wiring If wired wrong correct wiring If reversing valve is stuck replace valve Wrap the valve with a wet cloth and direct the heat away from the valve Excessive heat can damage the valve...

Страница 51: ...discharge line always disconnect during troubleshooting Source loop IN Source loop OUT F psi F psi Return Air F Supply Air F GPM Customer Job Name ____________________________________________ Date ___...

Страница 52: ...sizing should be evaluated by the electric utility provider Proper Power Supply Evaluation CAUTION CHECK COMPRESSOR AMP DRAW TO VERIFY COMPRESSOR ROTATION ON THREE PHASE UNITS COMPARE AGAINST UNIT EL...

Страница 53: ...__________________________ City _____________________________State Prov __________ Email ___________________________________________ Application Residential New Construction Residential Geo Replacemen...

Страница 54: ...tter Ifdifferent than company OTHER NOTES _______________________________________________________________________________ ______________________________________________________________________________...

Страница 55: ...55 IOM XT Models Enertech Global This Page Intentionally Left Blank...

Страница 56: ...formation please visit our website or contact our Customer Service department at info enertechgeo com Statements and other information contained herein are not express warranties and do not form the b...

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