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Summary of Contents for Enviro-tex EVI Series
- Page 1 Enviro-tex EVI Series Air Source Heat Pumps Installation and User's Guide IMPORTANT SAFETY INSTRUCTIONS READ AND FOLLOW ALL INSTRUCTIONS SAVE THESE INSTRUCTIONS...
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Page 2: Customer Service
(9A.M. to 4 P.M. Monday - Friday) Phone: 01472 828086 Email: info@enviro-tex.co.uk Website www.enviro-tex.co.uk Page 2 of 38 2014 Enviro-tex is a trade mark of Gray's Heating Ltd. All rights reserved. This document is subject to change without prior notice. -
Page 3: Table Of Contents
Inspection and Service..............................28 Owner Inspection................................28 Troubleshooting................................29 Problems and Corrective Action..........................29 Section 5..........................35 Components assembly......................35 Page 3 of 38 2014 Enviro-tex a trademark of Gray's Heating Ltd. All rights reserved. This document is subject to change without prior notice. -
Page 4: Important Safety Precautions
IMPORTANT SAFETY PRECAUTIONS Important Notice: This guide provides installation and operation instructions for the Air Source Heat Pump. Consult Enviro-tex with any questions regarding this equipment. Attention Installer: This guide contains important information about the installation, operation and safe use of this product. -
Page 5: Section 1
If you do not plan to use hot water for a prolonged period, then you might choose to turn the heat pump off or decrease the temperature setting of the control several degrees to minimize energy consumption. Enviro-tex offers the following recommendations to help conserve energy and minimize the cost of operating your heat pump without sacrificing comfort. -
Page 6: Section 2
Please take a note of the specified current rating. No junction box is needed at the heat Page 6 of 38 2014 Enviro-tex is a trademark of Gray's Heating Ltd.All rights reserved. This document is subject to change without prior notice. - Page 7 Note: We recommend installing shut-off valves on the inlet and outlet water connections for ease of serviceability. Cycle Heating Low Temp Air Source Heat Pump Specification Page 7 of 38 2014 Enviro-tex is a trademark of Gray's Heating Ltd.All rights reserved. This document is subject to change without prior notice.
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Page 8: Installation Location
The above design and specifications are subject to change without prior notice for product improvement. Detailed specifications of the units please refer to name plate on the units, Correct installation is required to ensure safe operation. The requirements for Enviro-tex heat pumps include the following: Dimensions for critical connections. -
Page 9: Drainage And Condensation
Installation Diagram (See Figure 2) Page 9 of 38 2014 Enviro-tex is a trademark of Gray's Heating Ltd. All rights reserved. This document is subject to change without prior notice. -
Page 10: Water Connections
(40mm or threaded entry female) accepts stainless steel or PVC/PPR pipe fittings. Page 10 of 38 2014 Enviro-tex a trademark of Gray's Heating Ltd. All rights reserved. This document is subject to change without prior notice. -
Page 11: Plumbing Installation Requirements
The heat pump must be grounded / earthed. A ground lug is provided on the inside of the heat pump electrical compartment. (See the following figures) Page 11 of 38 2014 Enviro-tex is a trademark of Gray's Heating Ltd. All rights reserved. This document is subject to change without prior notice. - Page 12 Single Phase：EVTX10300 / EVTX15000 Three Phase：EVTX18000 ⅡⅡ Page 12 of 38 2014 Enviro-tex is a trademark of Gray's Heating Ltd. All rights reserved. This document is subject to change without prior notice.
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Page 13: Power Supply
The Controller PCB has a pin selectable toggle switch which must be set according to the specific installation requirement. Page 13 of 38 2014 Enviro-tex is a trademark of Gray's Heating Ltd. All rights reserved. This document is subject to change without prior notice. -
Page 14: Electrical Wiring Diagram
Water Tank Sensor Solenoid Valve of Discharging&Condensing Crankshaft Heater Injection Solenoid Valve Back-water Valve Auxiliary Heating Page 14 of 38 2014 Enviro-tex is a trademark of Gray's Heating Ltd. All rights reserved. This document is subject to change without prior notice. -
Page 15: Auxiliary Heating
Water Tank Sensor Solenoid Valve of Discharging&Condensing Crankshaft Heater Auxiliary Heating Back-water Valve Injection Solenoid Valve Page 15 of 38 2014 Enviro-tex is a trademark of Gray's Heating Ltd. All rights reserved. This document is subject to change without prior notice. - Page 16 Filling Water Valve Water Tank Sensor Injection Solenoid Valve Crankshaft Heater Cooling Discharging Valve CON10 （12V） Page 16 of 38 2014 Enviro-tex is a trademark of Gray's Heating Ltd. All rights reserved. This document is subject to change without prior notice.
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Page 17: Section 3
The LCD will be displayed in a dimming mode (no back light). At this time the touch keys are locked (see “lock key display” symbol). Page 17 of 38 2014 Enviro-tex is a trademark of Gray's Heating Ltd. All rights reserved. This document is subject to change without prior notice. -
Page 18: Controller Set-Up
Make sure key-pad is unlocked. Press the “setting” key and enter into inquiry panel with “inquire” symbol on display. Page 18 of 38 2014 Enviro-tex is a trademark of Gray's Heating Ltd. All rights reserved. This document is subject to change without prior notice. -
Page 19: Parameter Setting
Press the “setting” key for more than 3 seconds, until an audible tone is heard and enter into the setting panel with “setting” symbol on display. Page 19 of 38 2014 Enviro-tex is a trademark of Gray's Heating Ltd. All rights reserved. This document is subject to change without prior notice. - Page 20 H4-defrosting exiting temperature (1~40°C (33.8~104°F), default: 15°C ) P1-NO P2- NO P3- NO P4- NO P5-NO P6-NO Page 20 of 38 2014 Enviro-tex is a trademark of Gray's Heating Ltd. All rights reserved. This document is subject to change without prior notice.
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Page 21: Clock Setting
24 hour period. Timer 03 and 04 are used to set the ON/OFF times of an external water pump within 24 hour period. Heat pump ON/OFF timers: Page 21 of 38 2014 Enviro-tex is a trademark of Gray's Heating Ltd. All rights reserved. This document is subject to change without prior notice. -
Page 22: Installer Password Control
For example: If there is an agreement which involves monthly installment, the installer/agent can utilize this feature by applying password control. Page 22 of 38 2014 Enviro-tex is a trademark of Gray's Heating Ltd. All rights reserved. This document is subject to change without prior notice. -
Page 23: Manual/Forced Defrosting
Make sure key-pad is unlocked. Ensure that heat pump unit is in running mode, displaying the heat symbol. Page 23 of 38 2014 Enviro-tex is a trademark of Gray's Heating Ltd. All rights reserved. This document is subject to change without prior notice. -
Page 24: Heating Mode
Water pump start up first, last a while, fan start up, Page 24 of 38 2014 Enviro-tex is a trademark of Gray's Heating Ltd. All rights reserved. This document is subject to change without prior notice. -
Page 25: Users' Guide
Forbid insert any tools into fan fence of unit, fan is dangerous. (child special care) Page 25 of 38 2014 Enviro-tex is a trademark of Gray's Heating Ltd. All rights reserved. This document is subject to change without prior notice. -
Page 26: Product Protection
3 minutes delay time, after the water pressure switch was reset. Page 26 of 38 2014 Enviro-tex is a trademark of Gray's Heating Ltd. All rights reserved. This document is subject to change without prior notice. -
Page 27: Section 4
Faulty Evaporator sensor 2 Abnormal compressor discharge temperature and/or Absent Phase Faulty compressor discharge temperature sensor 1 Page 27 of 38 2014 Enviro-tex is a trademark of Gray's Heating Ltd. All rights reserved. This document is subject to change without prior notice. -
Page 28: Inspection And Service
(2)” to “inquire” (check) the specific error codes for the corresponding heat pump systems. Inspection and Service Enviro-tex air source heat pumps are designed and built to provide long life performance, when installed and operated properly under normal conditions. Periodic inspections are important to keep your heat pump running safely and efficiently. -
Page 29: Troubleshooting
Error code 2. Connection cable Replace the connection cable or reconnect the cable. damaged or disconnected. Page 29 of 38 2014 Enviro-tex is a trademark of Gray's Heating Ltd. All rights reserved. This document is subject to change without prior notice. - Page 30 1. Insufficient refrigerant charge Charge the correct volume of refrigerant 12E/13E volume. specified on the label. Page 30 of 38 2014 Enviro-tex is a trademark of Gray's Heating Ltd. All rights reserved. This document is subject to change without prior notice.
- Page 31 3. The controller and/or PC Board Replace the controller or PC Board. faulty or damaged. Page 31 of 38 2014 Enviro-tex is a trademark of Gray's Heating Ltd. All rights reserved. This document is subject to change without prior notice.
- Page 32 2. The heating capacity of the heat Increase the size or number of heat pump pump is insufficient. units. Page 32 of 38 2014 Enviro-tex is a trademark of Gray's Heating Ltd. All rights reserved. This document is subject to change without prior notice.
- Page 33 4. The compressor is jammed or Repair or replace the compressor. blocked. Page 33 of 38 2014 Enviro-tex is a trademark of Gray's Heating Ltd. All rights reserved. This document is subject to change without prior notice.
- Page 34 Replace the controller. 7. The refrigeration system has a Check and repair refrigeration system. problem. Page 34 of 38 2014 Enviro-tex is a trademark of Gray's Heating Ltd. All rights reserved. This document is subject to change without prior notice.
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Page 35: Section 5
Fan blade Front support Middle support Front support bar panel Electrical Front panel Heat exchanger compartment Page 35 of 38 2014 Enviro-tex is a trademark of Gray's Heating Ltd. All rights reserved. This document is subject to change without prior notice. - Page 36 Fan motor guard Front support bar Front support bar Electrical compartment Base plate Left net guard Compressor Page 36 of 38 2014 Enviro-tex is a trademark of Gray's Heating Ltd. All rights reserved. This document is subject to change without prior notice.E...
- Page 37 Right back support bar Low pressure gauges Right protection net High pressure gauges Evaporator Front left support bar Page 37 of 38 2014 Enviro-tex is a trademark of Gray's Heating Ltd. All rights reserved. This document is subject to change without prior notice.
- Page 38 Outer cover of electrical Cabinet Tube in Shell Heat Exchanger solenoid pilot actuated valve Base Plate Page 38 of 38 2014 Enviro-tex Is a trademark of Gray's Heating Ltd. All rights reserved. This document is subject to change without prior notice.
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