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Summary of Contents for Enertech BS018
- Page 1 Installation & Operations Manual BS/BT MODELS SPLIT SYSTEM WATER-TO-AIR HEAT PUMPS 20D218-13NN 20D218-13NN...
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Page 2: Table Of Contents
Section 7: Desuperheater Installation and Electrical Connections Desuperheater Installation ................................31 Contents of the Desuperheater Fitting Kit ............................32 Desuperheater Installation with Single Water Heater ........................33 Desuperheater Installation with Preheat Tank ..........................33 BS/BT, Rev. B Models Enertech Global Installation and Operations Manual... - Page 3 BS/BT Operational Data - AD Air Handlers ..........................58-66 Refrigeration Troubleshooting Form ..............................67 Unit Electrical Data ..................................68 Section 14: Warranty Forms and Revision Table Warranty Registration Form ................................69 Revision Table ....................................70 BS/BT, Rev. B Models Enertech Global Installation and Operations Manual...
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Page 4: Section 1: Model Nomenclature
Un-packaging “WARNING” Indicates potentially hazardous situation which, if Enertech units are mounted to wooden Pallets for easy not avoided, COULD result in death or serious injury. handling during shipment and installation. Units are protected during shipment with durable cardboard corner posts, “DANGER”... -
Page 5: Components
STORE UNIT IN A CORROSIVE ENVIRONMENT OR IN A LOCATION WHERE TEMPERATURE AND HUMIDITY ARE SUBJECT TO EXTREMES. EQUIPMENT IS NOT CERTIFIED FOR OUTDOOR APPLICATIONS. SUCH INSTALLATION WILL VOID ALL WARRANTIES. BS/BT, Rev. B Models Enertech Global Installation and Operations Manual... -
Page 6: Section 3: Installation Considerations
Pump Module wiring. When matching a BS018 or BT024 with an AD024, or when matching a BT048 or BT060 with an AD060, refer to the Desuperheater Package... -
Page 7: Section 4: Unit Data Information
Section 4: Unit Data Information UNIT PHYSICAL DATA - BS / BT Unit Physical Data Split - BS/BT Compressor Section Model Number BS018 BT024 BT036 BT048 BT060 BT072 Single Stage Compressor Type Dual Stage Unloading Scroll Compressor Scroll Compressor Connection Size (I.D.) 3/8"... -
Page 8: Dimensional Data And Installation Clearances
Enertech Recommends A Minimum of 2 to 2 1/2 Feet of Service Area Clearance For Installation And Maintenance. MODEL SIZE 018-072 26.000 CABINET 26.000 POWER SUPPLY OVERALL EXTERNAL 21.000... -
Page 9: Unit Electrical Data
Model Code/ HWG Motor Pump Circuit Brkr Pump Unit FLA Option AMPS HACR Volts Phase 208/230 48.0 11.3 208/230 48.0 11.8 BS018 208/230 48.0 13.0 15.3 208/230 48.0 13.5 15.8 208/230 58.3 11.7 11.7 14.6 208/230 58.3 11.7 12.2 15.1 208/230 58.3... -
Page 10: Section 5: Line Set Installation Introduction
Use rated line set sizes listed in this unit installation manual and remember you should never downsize or up size the line set size when installing an Enertech Global Split System. Fittings and Components All piping should be “ACR” or “L” type copper pipe. Long radius fittings should always be used unless there is not ... -
Page 11: Equivalent Length
The solenoid should be installed right after the filter-drier or within two feet of the compressor section. BS/BT, Rev. B Models Enertech Global Installation and Operations Manual... -
Page 12: Line Sets
50 + 4(0.8) + 6 + 12 = 71.2 feet for liquid line Vapor Line Straight tubing + 4(90° long rad. elbow). 50 + 4(1.5) = 56 feet for vapor line BS/BT, Rev. B Models Enertech Global Installation and Operations Manual... - Page 13 • Vapor line P-traps should be installed at the outlet of the air handler and at the bottom of the vapor line drop. • Vapor line sizes on Two-Stage units should NOT be increased due to the velocity requirements for returning oil to the compressor. (See table 5 for part numbers) BS/BT, Rev. B Models Enertech Global Installation and Operations Manual...
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Page 14: Split System Charging - Approach Method
This method, outlined in the steps factory charge listed in the Unit Physical Data Table in below, is based upon laboratory testing in Enertech’s R & D Section 3 is a “starting” supply. Charge will need to be department, with matched compressor/air handler or A-coil added for the line set and heat exchangers. -
Page 15: Cooling Mode - Temperature Charging Chart
Section 5: Line Set Installation Cooling Mode - Temperature Charging Chart Entering Entering Water Approach Temp. by Model, Water Air DB Flow Full Load--Desuperheater Off Temp. Temp. GPM/Ton °F °F 2.25 2.25 *Cooling approach temperature=Liquid‐line Temperature‐Eneter Water Temperature (should be within ± 1 BS/BT, Rev. B Models Enertech Global Installation and Operations Manual... -
Page 16: Cooling Mode - Temperature And Pressure Measurement
Service Valve R-410A Manifold/Gauge Set Vapor Service Valve Water Out Discharge Thermometer Suction Source Coax °F Water In Note: Cooling approach temperature = Liquid Line temp. - Entering Water Temp BS/BT, Rev. B Models Enertech Global Installation and Operations Manual... -
Page 17: Split System Charging - Subcooling/Superheat
Heating Mode Charging Steps For best results, the indoor temperature should be 4‐9 7‐12 between 60°F and 70°F in heating. If the return air BS018 60‐70 3‐8 6‐11 temperature is below 60°F, it may be necessary to run the system in emergency heating mode to raise the 2‐7... -
Page 18: Heating Mode - Temperature And Pressure Measurement Locations
Liquid Line Temp. measured at air handler Suction Discharge Liquid Cooling Heating Service Valve R-410A Manifold/Gauge Set Vapor Service Valve Water Out Discharge Thermometer Suction Source Coax °F Water In BS/BT, Rev. B Models Enertech Global Installation and Operations Manual... -
Page 19: Section 6: Unit Piping Installation Water Quality
Once the system has been flushed and filled, Enertech recommends the use of Fernox F1 (Enertech P/N: F-57880) water treatment products in order to keep the system clean and running smooth for years to come. -
Page 20: Interior Piping
(see interior piping), including PVC. The flow center can be mounted to the wall with the included bracket or mounted on the floor as long as it is properly supported. BS/BT, Rev. B Models Enertech Global Installation and Operations Manual... -
Page 21: Typical Unit Piping Connections
Note: P/T ports should be angled away from the unit for ease of gauge reading. Drawings represent typical installation. The manufactures installation guides should be used for final installation. Equipment Pad 2” Polythylene Foam BS/BT, Rev. B Models Enertech Global Installation and Operations Manual... -
Page 22: Open Loop Piping
IMPORTANT: Minimum open loop flow rate for models 018 and 024 is 4 gpm to avoid a flow switch fault (3 gpm flow switch). Generally, closed loop systems are already higher than 4 gpm. ENERTECH UNIT Jumper SWITCH TACO GEO-SENTRY BS/BT, Rev. -
Page 23: Flushing & Charging A Pressurized Flow Center
1 micron bag and restart the flushing. Flush Cart Design The Enertech Manufacturing flush cart has been designed to effectively and efficiently flush the earth loop and to facilitate injecting and mixing of the antifreeze. The single most... -
Page 24: Adding Antifreeze By Displacement
• This should only take 5 to 10 minutes to purge the unit. charging section). • Once this is done, the entire system is now full of water, and the flush cart pump may be turned off. BS/BT, Rev. B Models Enertech Global Installation and Operations Manual... -
Page 25: Final Pressurization Of System
Maximum pressure should never exceed 100 psi under any circumstance! initially. Typical operating pressures of an earth loop are 15 to 50 psi. BS/BT, Rev. B Models Enertech Global Installation and Operations Manual... -
Page 26: Antifreeze Overview
Corrosiveness: The brine must be compatible with the system be covered under warranty if the failure is water quality- materials. related. Enertech may require a water sample in some cases. Chemical make-up, as well as suspended solids must be Stability: Will the brine require periodic change out or considered at time of installation and service. - Page 27 IN A WELL VENTILATED AREA. DO NOT SMOKE WHEN HANDLING FLAMMABLE SOLUTIONS. FAILURE TO OBSERVE SAFETY PRECAUTIONS MAY RESULT IN FIRE, INJURY, OR DEATH. NEVER WORK WITH 100% ALCOHOL SOLUTIONS. BS/BT, Rev. B Models Enertech Global Installation and Operations Manual...
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Page 28: Antifreeze Charging
20°F (-6.7°C) 25°F (-3.9°C) Propylene Glycol 20%* 13%* Methanol Ethanol Note: Antifreeze solutions are shown in pure form - not premixed *Concentrations below 25-30% (consult manufacturer) typically require additional inhibitors. BS/BT, Rev. B Models Enertech Global Installation and Operations Manual... -
Page 29: Apsma Pump Sharing Module
Source In Source In Source In Equipment Pad Equipment Pad 2” Polyethylene Foam 2” Polyethylene Foam Drawing represents typical unit installation, connection location, type and appearance may differ per other models BS/BT, Rev. B Models Enertech Global Installation and Operations Manual... -
Page 30: Water Flow Calculations And Selection
If the LWT is below 35-38°F, there is potential for freezing conditions if the flow rate or water temperature is less than ideal conditions, and the flow rate must be increased. BS/BT, Rev. B Models Enertech Global Installation and Operations Manual... -
Page 31: Section 7: Desuperheater Installation And Electrical Connections Desuperheater Installation
OUT on the heat pump, to the copper adaptor located on • ALL Enertech Global products meet the requirements of the tee at the bottom of the water heater. NSF-372 (Lead Free). 13. Run interconnecting ½” copper pipe from the HOT WATER •... -
Page 32: Contents Of The Desuperheater Fitting Kit
Note: Drawing shown vertically for detail. Fitting installs horizontally into hot water tank. Connection to Hot Water Tank Copper Tee For Domestic Cold Water In Line Drain Brass Tee Adapter to Unit Water Line BS/BT, Rev. B Models Enertech Global Installation and Operations Manual... -
Page 33: Desuperheater Installation With Single Water Heater
3/4” Copper HWG Out Adapter Fitting HWG In Shutoff Drain Drain Valves Valve Equipment Pad Valve 2” Polyethylene Foam Representative drawing only, some models may vary in appearance. HWG Out BS/BT, Rev. B Models Enertech Global Installation and Operations Manual... -
Page 34: Section 8: Controls
Piping section for Taco Geo-Sentry valve wiring. The Enertech thermostat board is designed to eliminate jumpers and spade connectors and is equipped with two DIP switches for flexibility of applications. Verify that the switches are set correctly prior to starting the unit with the following options: ... - Page 35 Once the unit is locked out (see fault retry below), the 41.39 1.16 Lockout board outputs a number of 24VAC pulses equal to the numbered fault code. 36.50 0.87 28.61 0.59 10.00 0.54 BS/BT, Rev. B Models Enertech Global Installation and Operations Manual...
- Page 36 The Lockout Terminal (L) puts out the number of corresponding 24VAC pulses to indicate the Lockout condition on Thermostat (if equipped and wired). The Fault Indication Table is a shown below/next page. BS/BT, Rev. B Models Enertech Global Installation and Operations Manual...
- Page 37 TERMINALS IGNORED LCT & SCT IGNORED OPEN LOOP MODE; 30F SETTING FOR AFRZ CLOSED LOOP MODE; 15F SETTING FOR SCT OPERATES IN NORMAL MODE WITH TEST OPERATES IN TEST MODE WITH DELAYS SPED UP STANDARD DELAYS OVER/UNDER VOLTAGE FEATURE IS OVER/UNDER VOLTAGE FEATURE IS ACTIVE O/ U INACTIVE NOTES: 1. WHEN TEST MODE DIP SWITCH IS 'ON', GREEN STATUS LED WILL BE OFF. 2. THE SOURCE COIL FREEZE/ WATER FLOW FAULT COULD EITHER BE THE SENSOR LOCATED BETWEEN THE TXV AND SOURCE COAX, OR AN INTERNAL FLOW SWITCH. 3. THE LOAD/ AIR COIL FREEZE PROTECTION SENSOR IS LOCATED BETWEEN THE TXV AND LOAD COAX IN WATER‐TO‐WATER UNITS, AND BETWEEN THE TXV AND AIR COIL IN WATER‐TO‐AIR UNITS. 4. NOT ALL MODELS HAVE THIS FEATURE. 5. THIS FAULT INDICATES A BAD SENSOR (OPEN, SHORTED, OR DISCONNECTED). 6. THE CHECK TO DETERMINE IF THE LCT AND SCT SENSORS ARE SWAPPED, OCCURS IN TEST MODE ONLY, 60 SECONDS AFTER THE 'CC' TERMINAL IS ENERGIZED. 7. UNITS WITHOUT DESUPERHEATER (HWG), DO NOT HAVE A DLWT SENSOR, SO IT IS IGNORED BY THE LOCKOUT BOARD. 8. CONNECT A MULTIMETER ACROSS THE 'L' AND 'C' TERMINALS TO CHECK FOR 24 VAC LOCKOUT SIGNAL. THERMOSTAT TURNS ON/FLASHES 'CALL FOR SERVICE' INDICATION. 9. THE 'L' TERMINAL CONTROLS A FAULT LED AT THE THERMOSTAT, OR DRIVES AN AUXILLIARY FAULT RELAY. 10. UNITS THAT DO NOT CONTAIN A FLOW SWITCH WILL CONTAIN A JUMPER BETWEEN THE 'FS1' AND 'FS2' TERMINALS. 11. FSW DIP SWITCH SHOULD NOT BE MODIFIED IN THE FIELD. FACTORY SETTING SHOULD BE MAINTAINED (ON). REV C. 03/19/18 BS/BT, Rev. B Models Enertech Global Installation and Operations Manual...
- Page 38 YELLOW the unit to run under adverse conditions, and therefore CONDENSATE FLOW SWITCH should not be turned off without contacting Enertech OVERFLOW technical services. An over/under voltage condition could cause premature component failure or damage to the unit controls. Any condition causing this fault must be thoroughly...
- Page 39 In ODD mode, a humidistat or a thermostat with a dehumidification output (output must be reverse logic -- i.e. it must operate like a humidistat) is connected to the ODD terminal. BS/BT, Rev. B Models Enertech Global Installation and Operations Manual...
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Page 40: Section 9: Hyper Engineering (Surestart) Soft Start Controls
• Increased stress on the motor which reduces the reliability • Internal Current Limiting of the air conditioning equipment. • Higher installation cost due to insufficient transformer sizing • Increased noise and vibration at compressor startup BS/BT, Rev. B Models Enertech Global Installation and Operations Manual... -
Page 41: In-Rush Current
If the time interval of the event is too fast the DMM will have a portion of the interval where it recorded Page 5 Page 5 BS/BT, Rev. B Models Enertech Global Installation and Operations Manual... -
Page 42: Surestart Operation
• Displayed after failure to start on “Three consecutive start attempts”. • Re-start is attempted after 50 minutes. • Standard lockout period is revised to 3 minutes after a successful start. BS/BT, Rev. B Models Enertech Global Installation and Operations Manual... -
Page 43: Surestart Basic Operation Chart
Section 9: Hyper Engineering (SureStart) Soft Start Controls SureStart Basic Operation Chart Page 12 BS/BT, Rev. B Models Enertech Global Installation and Operations Manual... -
Page 44: Section 10: Wiring Diagram
Section 10: Wiring Diagram BS/BT Wiring Diagram BS/BT, Rev. B Models Enertech Global Installation and Operations Manual... -
Page 45: Section 11: Equipment Start-Up Procedures
9. Check auxiliary heat operation by adjusting the thermostat set point 5°F above the room temperature in “Heat” mode or set thermostat to “Emergency.” Record voltage, amperage, and air temperature difference. 10. Connect HWG wires or turn switch (if equipped) to on position. BS/BT, Rev. B Models Enertech Global Installation and Operations Manual... -
Page 46: Equipment Start-Up Form
Total Amperage (Full kW - All Stages) Wire Size Breaker Size CFM = (Watts X 3.413) ÷ (Air Temp. Difference X 1.08) Watts = Volts X Auxiliary Heater Amps Installer/Technician:____________________________________________ Date:________________________ BS/BT, Rev. B Models Enertech Global Installation and Operations Manual... -
Page 47: Section 12: He/Hr And Pressure Drop Tables
HE/HR Tables - MPD Air Handlers (see next page for EAD Air Handler) Heat of Extraction (MBtuh) Heat of Rejection (MBtuh) Model (Heating/Cooling) 13.5 17.6 20.8 25.0 25.0 24.1 23.2 BS018 Full Load 850/850 10.4 14.3 18.6 22.0 25.0 24.8 23.8 22.8 10.7 14.7... -
Page 48: He/Hr Tables - Ead Air Handlers
Heat of Extraction (MBtuh) at Source T ( Heat of Rejection (MBtuh) at Source T ( MODEL Heating Cooling 11.8 16.9 22.5 27.1 28.4 27.1 25.2 23.8 BS018 / FULL 11.3 16.2 21.5 26.0 28.1 26.8 24.9 23.5 EAD018 LOAD 11.0... - Page 49 Section 12: HE/HR and Pressure Drop Tables Water Pressure Drop Tables - MPD Air Handlers (see next page for EAD Air Handler) Source Brine Pressure Drop Model FT HD FT HD FT HD FT HD BS018 Full Load 11.5 BT024 Part Load BT024 Full Load 11.5 18.2...
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Page 50: Water Pressure Drop Tables
Section 12: HE/HR and Pressure Drop Tables Water Pressure Drop Tables Source Brine Pressure Drop at Various Entering Source Temperatures Model Source FT HD FT HD FT HD FT HD FT HD BS018 / EAD018 Full Load Heating 11.3 10.8 BS018 / EAD018 Full Load Cooling 10.4... - Page 51 5. Pressure drop data is a result of lab testing and is not related to warranty. 6. Due to variations in installation, actual unit performance may vary from the tabulated data. DATE: PAGE 1 BS/BT, Rev. B Models Enertech Global Installation and Operations Manual...
- Page 52 5. Pressure drop data is a result of lab testing and is not related to warranty. 6. Due to variations in installation, actual unit performance may vary from the tabulated data. DATE: PAGE 1 BS/BT, Rev. B Models Enertech Global Installation and Operations Manual...
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Page 53: Section 13: Troubleshooting
Loop Flushing Repairing a Microchannel Air Coil Variable Speed Flow Centers Testing a Coaxial Heat Exchanger Return Conversion for and XT or CT Heat Of Extraction and Rejection Troubleshooting a TXV BS/BT, Rev. B Models Enertech Global Installation and Operations Manual... -
Page 54: Troubleshooting Tips
Excessive heat can damage the valve. Always use dry nitrogen when brazing. Replace filter/drier any time the circuit is opened. BS/BT, Rev. B Models Enertech Global Installation and Operations Manual... - Page 55 If ductwork is completely installed it may be necessary to reduce CFM. Water sucking out Install an EZ-Trap or P-Trap on the drain outlet so blower cannot suck air back through the drain of the drain pan outlet. BS/BT, Rev. B Models Enertech Global Installation and Operations Manual...
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Page 56: Compressor Won't Start
't p u m p o f th e re v e rsin g re p la c e c o m p re sso r. v a lv e . BS/BT, Rev. B Models Enertech Global Installation and Operations Manual... -
Page 57: Refrigeration Troubleshooting
High/Normal Heat High High High Restricted TXV Cool High High High Heat High/Normal High TXV Stuck Open Cool High/Normal High Heat High High/Normal Low/Normal Inadequate Compression Cool High High/Normal Low/Normal BS/BT, Rev. B Models Enertech Global Installation and Operations Manual... -
Page 58: Bs/Bt Operational Data - Ad Air Handlers
15-31 9-20 19-24 13-24 410-467 137-164 8-23 10-22 9-12 13-24 Heating data based on 70°F EAT. Cooling data based on 80/67°F EAT. CFM is 350-560 CFM/Ton for heating and cooling. BS/BT, Rev. B Models Enertech Global Installation and Operations Manual... - Page 59 13 - 17 29 - 33 386 - 426 184 - 204 4 - 8 9 - 13 9 - 13 30 - 34 BS018 / EAD018 : Full Load Cooling -No Desuperheater Operation Source Source Brine Air Water Discharge Suction Subcooling...
- Page 60 BS/BT, Rev. B Models 394 - 434 105 - 125 26 - 30 8 - 12 17 - 21 13 - 17 Enertech Global Installation and Operations Manual 359 - 399 105 - 125 20 - 24 9 - 13 10 - 14...
- Page 61 6 - 10 9 - 13 12 - 16 320 - 360 103 - 143 15 - 19 6 - 10 6 - 10 12 - 16 DATE: PAGE 1 BS/BT, Rev. B Models Enertech Global Installation and Operations Manual...
- Page 62 369 - 409 101 - 121 21 - 25 9.1 - 13.1 14.7 - 18.7 BS/BT, Rev. B Models 11 - 15 Enertech Global Installation and Operations Manual 338 - 378 101 - 121 16 - 19.9 9.6 - 13.6 9.1 - 13.1 11.1 - 15.1...
- Page 63 8.4 - 12.4 10.4 - 14.4 11.4 - 15.4 319 - 359 98 - 138 12 - 16.2 8.5 - 12.5 7.28 - 11.3 11.4 - 15.4 DATE: PAGE 1 BS/BT, Rev. B Models Enertech Global Installation and Operations Manual...
- Page 64 383 - 423 94 - 114 22 - 26.4 10 - 14 14.5 - 18.5 12.7 - 16.7 BS/BT, Rev. B Models Enertech Global 347 - 387 94 - 114 17 - 21.2 11 - 14.8 8.17 - 12.2 12.7 - 16.7...
- Page 65 7.6 - 11.6 9.78 - 13.8 11.4 - 15.4 333 - 373 96 - 136 15 - 18.8 7.4 - 11.4 7.42 - 11.4 11.4 - 15.4 DATE: PAGE 1 BS/BT, Rev. B Models Enertech Global Installation and Operations Manual...
- Page 66 381 - 421 91 - 111 22 - 25.6 9.4 - 13.4 14.2 - 18.2 12.1 - 16.1 BS/BT, Rev. B Models Enertech Global Installation and Operations Manual 13.5 351 - 391 90 - 110 17 - 21.4 10 - 14.1 8.72 - 12.7...
- Page 67 9.9 - 13.9 10.1 - 14.1 11 - 15 333 - 373 92 - 132 15 - 18.8 10 - 14 7.05 - 11 11 - 15 DATE: PAGE 1 BS/BT, Rev. B Models Enertech Global Installation and Operations Manual...
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Page 68: Refrigeration Troubleshooting Form
HE or HR = GPM x TD x Fluid Factor (Use 500 for water, 485 for antifreeze) SH = Suction Temp. – Suction Sat. SC = Discharge Sat. – Liquid Line Temp BS/BT, Rev. B Models Enertech Global Installation and Operations Manual... -
Page 69: Unit Electrical Data
ONE HOT LEG OF THE CIRCUIT. SOURCE WIRING MUST BE WYE (STAR) CONFIGURATION. 3-PHASE DELTA CONNECTIONS WILL NOT PROVIDE THE CORRECT WIRING AND WILL CAUSE THE UNIT NOT TO OPERATE. BS/BT, Rev. B Models Enertech Global Installation and Operations Manual... - Page 70 This page left blank for Warranty Form detachment. BS/BT, Rev. B Models Enertech Global Installation and Operations Manual...
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Page 71: Section 14: Warranty Forms And Revision Table
How would you rate your overall satisfaction with your installing geothermal contractor? 1 (Very Dissatisfied) 10 (Very Satisfied) MAIL THIS FORM TO: EMAIL THIS FORM TO: FAX THIS FORM TO: ENERTECH GLOBAL LLC WARRANTY@ENERTECHGEO.COM ENERTECH GLOBAL LLC 2506 SOUTH ELM STREET 618.664.4597 GREENVILLE, IL 62246 REGISTER ONLINE AT: warranty-registration.enertechgeo.com... - Page 72 This page left blank for Warranty Form detachment. BS/BT, Rev. B Models Enertech Global Installation and Operations Manual...
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Page 73: Revision Table
Nomenclature Updated (Unit changed from Rev. A to Rev. B) DIP Switch information updated 23FEB2020 Geo Sentry Diagram added Thermostat Wiring information added 21FEB2020 Layout changes made Various 30JAN2020 Document Created BS/BT, Rev. B Models Enertech Global Installation and Operations Manual... - Page 74 Customer Service department at info@enertechgeo.com. 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 Enertech Global’s opinion or commendation of its products.
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