1. Manuals
  2. Brands
  3. ESP Manuals
  4. Air Conditioner
  5. Varimax I ASHP
  6. Installation and operation manual

ESP Varimax I ASHP Installation And Operation Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
ESP VARIMAX I ASHP
Installation and
Operation Manual

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the Varimax I ASHP and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for ESP Varimax I ASHP

Summary of Contents for ESP Varimax I ASHP

  • Page 1 ESP VARIMAX I ASHP Installation and Operation Manual...

  • Page 2: Installing The Unit

    INSTALLING THE UNIT. The installation of all un-vented water heating systems above 15 litres (this includes ESP Hot Water ASHP’s) MUST comply with local area Building Regulations. It is a legal requirement that the local Building Control Officer be notified of any proposed installation.

  • Page 3: Table Of Contents

    Contents: 1.0 Preface 1.1 Varimax I ASHP Units features 2.0 Safety Precautions 3.0 Varimax I Unit Specifications 3.1 Appearance of the Unit 3.2 Unit Dimensions 4.0 Choosing the right heat pump 4.1 Heat Load Calculation 4.2 Varimax Output Rating 4.3 Emitter systems 5.0 Installation...
  • Page 4 9.1 Pre-Start Checks 9.2 Switching on the Unit 10.0 UNIT CONTROLLER 10.1 main Interface 10.2 Basic Operation 10.3 Main Menu 10.4 Frequency Control 11.0 Maintenance 11.1 Essential Checks 11.2 Advisory Checks 12.0 Trouble Shooting 12.1 Error Codes 12.2 Simple Faultfinding 13.0 Wiring Diagram 14.0 Guarantee 14.1 Guarantee Terms...

  • Page 5: Preface

    ESP will not be liable. All ESP ASHPs are covered by the warranty contained in the ESP Terms and conditions of Business a copy of which will have been provided to you prior to your purchase.

  • Page 6: Safety Precautions

    The unit must only be installed, moved and/or repaired by a suitably qualified and experienced engineer. If you are in doubt about who is qualified carry out works on the Varimax I unit, please call ESP.  The Unit MUST be properly earthed.

  • Page 7: Varimax I Unit Specifications

     Ensure that you use a suitably rated circuit breaker. If in doubt, have your electrician call ESP Technical Support.  Switch off the power before carrying out any cleaning and/or maintenance.

  • Page 8: Unit Dimensions

    Based on the local climatic conditions, construction features and insulation levels, your system designer will calculate the heat load and, therefore, the appropriate unit size for your building. ESP can provide a heat load calculation that conforms to MIS 3005. For new...

  • Page 9: Emitter Systems

    3005 Supplementary Information 2 - Heat Emitter Guide v2.0.pdf where guidance on pipe spacing for UFH systems and sizing consideration for fan coil units such as the ESP Thermovec and traditional wet radiators can be found. 5.0 Installation 5.1 Where to use and Where to Site the unit...

  • Page 10: Location Of The Unit

     The unit generates condensate and this should be piped away from the unit and in to a suitable drain to prevent ice forming on the area around the unit. This applies to the water resulting from a defrost cycle. ...

  • Page 11: Transporting The Unit

    5.3 Transporting the Unit When lifting the unit during installation and transportation, an 8 meter strap must be used and the unit protected by soft material placed between the lifting strap and the unit to prevent damage. (See picture below). Soft Protection 8m lifting web 5.4 Plumbing Considerations...

  • Page 12: Hydraulic Connection

    It is highly recommended that a suitably sized buffer tank be installed between the unit and the heating distribution system. Please consult your installer or ESP when considering this system design point – the right sized buffer tank can make a significant difference to the economy and efficiency of the unit and the heating effectiveness.

  • Page 13: Automatic Bleed Valves

    These flexible hoses are available from ESP as part of an Installation Pack or individually. 6.4 Automatic bleed valves Make sure that you fit automatic bleed valves (air vent)s at high points in the system. The unit will shut down if air is in the system because the water flow switch will recognize air in the system as no water flow and a system alarm/protection code will appear on the unit controller.

  • Page 14: Trvs

    good quality strainer in the return flow to the unit will invalidate the warranty on the unit. 6.7 TRVs Where standard steel radiators are to be fitted, careful consideration should be given before using Thermostatic Radiator Valves (TRVs) because they are not designed to be used with low temperature systems. If the decision is taken to use TRVs, one should NOT be fitted in the same room as a room thermostat.

  • Page 15: Electrical Connection

    7.0 Electrical Connection 7.1 Warning Notes IMPORTANT! All electrical work MUST be carried out by a suitably qualified electrician. We know that suitably qualified electricians charge professional level fees for work that they carry out, but it is better to pay a professional/fully qualified electrician to connect your unit in to an appropriate power supply in the correct way, than for you to die trying or as a result of a fire in your property caused by inappropriate or incorrect...

  • Page 16: Isolation Switch

    7.3 Isolation Switch The heat pump MUST be connected to the power supply through a two port rotary isolation switch a two port rotary that has at least a 3mm contact separation at all poles, fixed in close proximity to the unit and suitably positioned for general and emergency use as required by relevant Regulations.
  • Page 17 Mains power Connector Block Mains power Connector Cover  In section 13 you will find wiring diagrams for the unit and, in section 16, instruction on how to connect a remote controller to the rear of the Carel controller. Please use these diagrams when introducing power or other wiring into the unit.

  • Page 18: Unit Specifications

     The unit MUST be connected to the master thermostat within the building that controls the call for heat. If you do not have a master thermostat connected to the unit from the building, the unit will run inefficiently and, in some case, not at all. 8.0 Unit Specifications Model Designation PASRW040B-D-BP...

  • Page 19: Switching On The Unit

     Check that all relevant lever valves are open.  Check the water loop and expansion tank to ensure that both have adequate water in them to allow the system to operate at 1 – 1.5 bar.  Ensure that all air has been purged from the system. ...
  • Page 20 The parameters of the unit controller are factory set and you  must not change them without consulting your installer or ESP. The exceptions to this are the running temperature (or flow temperature) of the system and the time. Section 10 explains how to view the various parameters although the default view will show the current status of the system (see 10.1).

  • Page 21: Unit Controller

    10.0 UNIT CONTROLLER 10.1 Main Interface 10.2 Basic operation 21 of 52 www.esavep.com PASRW040-D-BP V 1.7...
  • Page 22 22 of 52 www.esavep.com PASRW040-D-BP V 1.7...
  • Page 23 23 of 52 www.esavep.com PASRW040-D-BP V 1.7...

  • Page 24: Main Menu

    10.3 Main Menu 24 of 52 www.esavep.com PASRW040-D-BP V 1.7...
  • Page 25 25 of 52 www.esavep.com PASRW040-D-BP V 1.7...
  • Page 26 26 of 52 www.esavep.com PASRW040-D-BP V 1.7...
  • Page 27 27 of 52 www.esavep.com PASRW040-D-BP V 1.7...
  • Page 28 28 of 52 www.esavep.com PASRW040-D-BP V 1.7...
  • Page 29 29 of 52 www.esavep.com PASRW040-D-BP V 1.7...
  • Page 30 30 of 52 www.esavep.com PASRW040-D-BP V 1.7...
  • Page 31 31 of 52 www.esavep.com PASRW040-D-BP V 1.7...
  • Page 32 32 of 52 www.esavep.com PASRW040-D-BP V 1.7...
  • Page 33 33 of 52 www.esavep.com PASRW040-D-BP V 1.7...
  • Page 34 34 of 52 www.esavep.com PASRW040-D-BP V 1.7...
  • Page 35 35 of 52 www.esavep.com PASRW040-D-BP V 1.7...
  • Page 36 36 of 52 www.esavep.com PASRW040-D-BP V 1.7...

  • Page 37: Frequency Control

    10.4 Frequency Control 37 of 52 www.esavep.com PASRW040-D-BP V 1.7...
  • Page 38 Parameters R01-R04 Description Limits should be set according to Cooling set-point 12°C the following table: Cooling differential 2°C Heating set-point 40°C Heating differential 2°C 38 of 52 www.esavep.com PASRW040-D-BP V 1.7...

  • Page 39: Maintenance

    11.0 Maintenance 11.1 Essential Checks Periodically clean the water filter; this will need to be every month for the first 6 months following start up of the system to allow installation debris to be extracted. NOTE that a lack of water in the system or debris/dirt entering the system can damage the unit.

  • Page 40: Troubleshooting

    winter. Please NOTE THE FOLLOWING – failure to observe the following requirements WILL invalid the warranty for the heat pump. Please do not shut off the power supply to the heat pump in winter unless it is to be drained-down. When the air temperature is below 0°C, if the inlet water temperature is above 2°C and below 4°c, the water pump will start automatically once in every 72 hrs to provide frost protection.

  • Page 41: Simple Faultfinding

    Discharge temp. Exhaust Check through each Too high temperature is too temp. switch and high return circuit Water flow rate is Check the water flow Freeze alarm inadequate volume and flow switch operation, Not used in Power fault single phase unit alarm Water flow rate is Check the water flow...
  • Page 42 High noise of 1 bad evaporation, check the cause for bad evaporation compressor 1 liquid refrigerant goes into compressor and get rid of this; 2 compressor failure 2 use new compressor; 1 failure on fan relay 1 replace the fan relay; Fan does not run 2 fan motor broken 2 replace fan motor.

  • Page 43: Wiring Diagram

    13.0 Wiring Diagram 43 of 52 www.esavep.com PASRW040-D-BP V 1.7...

  • Page 44: Guarantee

    Practice and Regulations in force at the time of installation. ii) It has not been modified in any way other than by ESP. iii) It has only been used for the storage of wholesome water. iv) It has not been installed in a location liable to be subjected to fro st, nor has it been tampered with or been subject to misuse or neglect.

  • Page 45: Environmental Information

    This warranty/guarantee is not valid for installations outside the United Kingdom or the Republic of Ireland. Any warranty/guarantee is for replacement parts only. The purchaser of the unit acknowledges that he/she has seen ESP’s conditions of supply and has understood them. All of our units are RoHS approved units.

  • Page 46: Adding A Remote Wired Controller

    16.0 ADDING A REMOTE WIRED CONTROLLER Should you wish to add a remote, wired controller, the procedure is as follows: You have to prepare 3 assemblies: the MCH2004850 RS485 card, the 98C556C006 RJ12 power supply and the wired controller: There are 3 preparation steps: 1.
  • Page 47 The Three signal terminals ”+” , ”-“ and “GND” , must be matched correctly. If If the distance between the two controllers exceeds 20m, a 120 Ω must be inserted between the ‘+’ and ‘-‘. 2. Connect the wired controller to RJ12 power supply. 3.
  • Page 48 Done! In order to get better signal quality over long distances, all the wires should be twisted pair + Shield. 48 of 52 www.esavep.com PASRW040-D-BP V 1.7...

  • Page 49: Weather Compensation

    17.0 Weather Compensation: 49 of 52 www.esavep.com PASRW040-D-BP V 1.7...

  • Page 50: Performance

    18. Varimax Performance 18.0 Performance: 50 of 52 www.esavep.com PASRW040-D-BP V 1.7...

  • Page 51: Parameter List

    19. Parameter List: 51 of 52 www.esavep.com PASRW040-D-BP V 1.7...
  • Page 52 CONTACT DETAILS Earth Save Products Technical Team – 01235 815569 52 of 52 www.esavep.com PASRW040-D-BP V 1.7...

Table of Contents