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Thermoscreens HP1000 DXE Installation, Operation & Maintenance Instructions Manual

Hp heat pump air curtain system
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HP HEAT PUMP RANGE AIR CURTAINS
INSTALLATION, OPERATION & MAINTENANCE INSTRUCTIONS
For use with Mr Slim Outdoor Units
PLEASE READ THESE INSTRUCTIONS CAREFULLY BEFORE ATTEMPTING INSTALLATION
Thermoscreens Ltd
St. Mary's Road Nuneaton
Warwickshire England
CV11 5AU
English
Email:
sales@thermoscreens.com
Tel: +44 (0) 24 7638 4646
Fax: +44 (0) 24 7638 8578
www.thermoscreens.com
T9901085-1-3 UK
Page 1 of 38

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  • Page 1 HP HEAT PUMP RANGE AIR CURTAINS INSTALLATION, OPERATION & MAINTENANCE INSTRUCTIONS For use with Mr Slim Outdoor Units PLEASE READ THESE INSTRUCTIONS CAREFULLY BEFORE ATTEMPTING INSTALLATION Thermoscreens Ltd St. Mary’s Road Nuneaton Warwickshire England CV11 5AU English Email: sales@thermoscreens.com...

  • Page 2: Table Of Contents

    Thermoscreens / Mitsubishi Electric Mr Slim HP Heat Pump Air Curtain System CONTENTS Page Air Curtain System Schematics Design Information Unpacking the Air Curtain INSTALLATION Installation of the Air Curtain Figure 2 – Dimensions of HP Air Curtain Mitsubishi Electric Outdoor Unit...

  • Page 3: Air Curtain System Schematics

     a door switch to change fan speeds; higher speed when the door is open, lower speed when the door is shut  a Thermoscreens ‘Remote 3-Speed Fan Switch’ (if end user requires this) * * - supplied by Thermoscreens Ltd.
  • Page 4  a door switch to change fan speeds; higher speed when the door is open, lower speed when the door is shut  a Thermoscreens ‘Remote 3-Speed Fan Switch’ (if end user requires this) * * - supplied by Thermoscreens Ltd.

  • Page 5: Design Information

    DESIGN INFORMATION AS SUPPLIED the air curtain operates on a 1 phase electrical supply (1L+N+E) from a local switched spur which provides power for fans and controls. There is an integral defrost cycle auxiliary heater located inside the air curtain but this is ‘disabled’ as supplied. If the defrost cycle auxiliary heater is required the air curtain will then need a 3 phase electrical supply (3L+N+E) from a local switched spur, instead of the 1 phase electrical supply, to provide power for the heater as well which will need to be ‘enabled’...
  • Page 6 The air curtain can also be set up on site during commissioning to operate under Inlet Air Temperature Control or Room Air Temperature Control and is then used with a Mitsubishi Electric PAR-30 MAA Remote Controller. The following functions are available:- ...
  • Page 7 The air curtain is designed only for use with a Mitsubishi Electric Mr Slim Outdoor Unit for use on R410A. The complete Thermoscreens air curtain / Mitsubishi Electric heat pump system, including refrigerant pipework, wiring, controls, etc. must be installed only by an approved Mitsubishi Electric refrigeration contractor.

  • Page 8: Unpacking The Air Curtain

    UNPACKING THE AIR CURTAIN The following items are supplied and packaged within the air curtain box :- HP Heat Pump Air Curtain Wall Brackets and Fixing Bolts Please note, plastic end caps are supplied loose to be fitted during installation for if air curtain is to be wall mounted Remote 3-Speed Fan Switch If remote fan speed control is required by the end user...

  • Page 9: Serial Number

    Pages 18 & 22 for more information on Page 6 & 7 for more information The complete Thermoscreens air curtain / Mitsubishi Electric heat pump system, to provide a heat pump air curtain over a doorway, including wiring, fridge pipework, etc. is to be installed only by an approved Mitsubishi Electric refrigeration contractor.

  • Page 10: Installation Of The Air Curtain

    Air Curtain Weight (kg) HP1000 DXE HP1500 DXE HP2000 DXE Step 1. Refer to Figure 2, Page 11 for mounting details and drill the fixing points in the wall.
  • Page 11 Recommend 250 minimum for pipes 20mm hole on top for pumped condensate disposal (if cooling) T9901085-1-3 UK Page 11 of 38...

  • Page 12: Mitsubishi Electric Outdoor Unit

    Air Curtain Heating Cooling Air Volume Noise Width of Outdoor Unit Output Output Flow Rate Level Airstream (kW) (kW) dB(A) @3m HP1000 DXE PUHZ-RP71 1310 1.10 HP1500 DXE PUHZ-RP125 13.8 12.3 2070 1.63 HP2000 DXE PUHZ-RP140 15.9 14.2 2590 2.15...

  • Page 13: To Gain Access Inside The Air Curtain

    To gain access inside the Air Curtain To gain access for connection of the electrical supply, controls wiring and to work on the unit during commissioning, remove the air inlet grilles and the bottom access panel. First remove the plastic end caps at each end of the unit, if already fitted, by pulling off to the side (see picture).

  • Page 14: Electrical Supply And Wiring To The Air Curtain

    Rated Electrical Rated Electrical Rated Current per Rated Current (A) Power Input (kW) Power Input (kW) phase (A) HP1000 DXE 12.1 HP1500 DXE 0.35 9.35 14.4 HP2000 DXE 1) Unit as supplied – defrost cycle auxiliary heater is...
  • Page 15 2) If the defrost cycle auxiliary heater is to be enabled during site commissioning (400V/3ph/50Hz electrical supply from separate local isolator), see Wiring Diagram 2, Page 17 Connect to terminals Earth, L1, L2, L3 and N with a 3- phase electrical supply. Connect terminals S2 and S3 from the outdoor unit to terminals S2 and S3 on the air curtain –...

  • Page 16: Wiring Diagram 1 (Defrost Cycle Auxiliary Heater Disabled - As Supplied)

    not used White Orange T9901085-1-3 UK Page 16 of 38...

  • Page 17: Wiring Diagram 2 (Defrost Cycle Auxiliary Heater Enabled On Site)

    not used White Orange T9901085-1-3 UK Page 17 of 38...

  • Page 18: Wiring Of Air Curtain Fan Speed

    Wiring of Air Curtain Fan Speed As delivered the air curtain is link wired to operate on a single fan speed at its medium speed, see picture opposite. Current thinking for air curtain technology, however, is to have a Door-Switch wired to switch the unit between a Higher fan speed - Door Open and a Lower fan speed - Door Closed.
  • Page 19 We recommend the Blue Diamond rotary diaphragm type with cooling signal sensor (drainStik) manufactured by Charles Austen Pumps Ltd. (www.miniblue.co.uk). Maximum likely condensate flow rate Air Curtain (litres/hour) HP1000 DXE HP1500 DXE HP2000 DXE 11.0 (with a PUHZ-RP140) HP2000 DXE 15.0...

  • Page 20: Air Curtain Checks

    There is a Mitsubishi Electric Interface PCB located within the left hand end of the Thermoscreens Air Curtain. This provides control and communication between the Mitsubishi Electric Outdoor Unit and the Air Curtain Indoor Unit. It is held in place by a fixing screw located in the left-hand end panel of the air curtain under the left-hand plastic end cap.

  • Page 21: Dip Switch Settings And Air Temperature Sensor Position

    Dip Switch Settings and Air Temperature Sensor Position As supplied the air curtain is set-up to be operated under Weather Compensation Control (HEATING ECO) or Discharge Air Temperature Control (HEATING) and the air temperature sensor (marked red) is located in a temperature pocket in the air discharge plenum of the unit.

  • Page 22: Selecting The Fan Speeds Of The Air Curtain

    Selecting the Fan Speeds of the Air Curtain The fan motor(s) in the air curtain is a 5-speed motor and fan speeds can be re-selected at commissioning to suit the installation, both to suit the outdoor environmental conditions and for indoor noise levels. As delivered, for the 3 fan speeds available at the fan speed DIN rail terminals:- the HIGH fan speed (black wire) is wired into motor tapping 1 (highest motor speed tapping),...
  • Page 23 The table below provides guidance as to how the fan speeds can be set. WARNING: There are two motors on the HP2000DXE model, make sure both motors are wired up in exactly the same way or the motors will overheat with possible damage. Motor Speed Maximum air curtain Sound...

  • Page 24: Starting The Heat Pump System

    Starting the Heat Pump System Carry out a final inspection to ensure that all wiring is in accordance with Wiring Diagram 1 on Page 16 or wiring Diagram 2 on Page 17 and that all connections have been properly made. Ensure that the refrigerant system is complete, there are no leaks and there is sufficient charge of refrigerant R410A.
  • Page 25 For the Air Curtain to be used for Weather Compensation Control (HEATING ECO mode) with a PAR-W21MAA Remote Controller, the Heating Curve and Function Limits must now be set-up as follows :- Refer to PAR-W21MAA diagram, Figure 3, and typical heating curve in Figure 4 and set up the Heating Curve: Air Curtain Discharge Air Temperature...
  • Page 26 Heated Air Curtain Figure 4 Weather Compensation Control (HEATING ECO mode) typical heating curve Air Curtain Discharge Air Target Temp. (°C) Ambient Air Curtain Outdoor Air Temperature (°C) In case of difficulty refer to the Mitsubishi Electric instruction booklet that comes with the PAR-W21MAA Remote Controller, Section 7 –...

  • Page 27: Inlet Air Temperature Control Or Room Air Temperature Control

    If the Air Curtain is set-up for :- Inlet Air Temperature Control Room Air Temperature Control (air curtain has been modified during commissioning) with a PAR-30MAA Remote Controller, BMS or Centralised Controller :- Switch the Mode Button on the PAR-30MAA Remote Controller to ‘HEAT’ and adjust the target temperature to 28°C maximum setting using the + Temp.

  • Page 28: Filter Dirty Indicator

    If the air curtain is to be operated from a BMS System or Centralised Controller this should be configured so that the air curtain can only operate in HEAT or FAN mode if it is not fitted with a condensate disposal system. The air curtain should only be configured to operate in COOL mode if it is fitted with a condensate disposal system.
  • Page 29 The factory set default schedule is suitable for most applications. However, the actual frequency of cleaning required will depend on the environment. Two alternative filter indicator schedules are available, and can be selected by changing the ‘jumper’ position (marked 1, 2 or 3) on the Filter Indicator PCB. Half Default Double...

  • Page 30: Hand-Over To End-User

    Hand-over to End-User Before leaving site it is important that there is a 'Hand-Over Meeting' to hand-over the heat pump system and air curtain installation to the end user or their representative. This should include a full and clear explanation of how the system operates and a demonstration showing the air curtain running.

  • Page 31: User Instructions For The Air Curtain

    USER INSTRUCTIONS FOR THE AIR CURTAIN For Weather Compensation Control (HEATING ECO mode) Discharge Air Temperature Control (HEATING mode) To Switch On and Off: Turn the air curtain ON by pressing the ON/OFF Button on the PAR-W21MAA Remote Controller and the air curtain fans will start within a few seconds. If a 3-Speed Fan Switch is fitted adjust the fan speed to suit using the slider switch.

  • Page 32: Inlet Air Temperature Control Or Room Air Temperature Control

    USER INSTRUCTIONS FOR THE AIR CURTAIN For Inlet Air Temperature Control Room Air Temperature Control To Switch On and Off: Turn the air curtain ON by pressing the ON/OFF Button on the PAR-30MAA Remote Controller and the air curtain fans will start within a few seconds. If a 3-Speed Fan Switch is fitted adjust the fan speed to suit using the slider switch.

  • Page 33: Fortnightly Cleaning

    SERVICING THE AIR CURTAIN Vacuum Clean the Air Inlet Grilles / Filters (Fortnightly, or when the Filter Dirty Indicator shows PERMANENT RED) With the air curtain switched OFF, a vacuum cleaner with an extension tube and brush attachment at its end should be used to clean the face of the air inlet grilles.
  • Page 34 Remove the air filters from the air inlet grilles by gently prizing them free as shown. Gently vacuum clean and refit the filters into the curved air inlet grilles. The filters are durable but may need to be replaced after a number of service intervals. To remove the bottom access panel unfasten the access panel securing screws, one at each end, plus two in the centre (HP1500 DXE and HP2000 DXE units) and slide the panel out...
  • Page 35 Using a 10mm spanner loosen the two bolts, one at each end of the air discharge opening, by 2 turns. Do not remove these two bolts completely. Remove the row of fixing screws along the whole length of the drain tray (see picture). The drain tray now hinges down along its front edge and the inside surface of the tray can be cleaned.

  • Page 36: Fault Finding

    Fault Finding If the Thermoscreens Heat Pump Air Curtain System does not operate as expected refer to the fault finding table below: Symptom Possible Cause Action Required Switch on power to Mitsubishi Electrical power is not switched on at Electric Outdoor Unit and wait...
  • Page 37 Care has been taken in compiling these instructions to ensure they are correct, although Thermoscreens Ltd. disclaims all liability for damage resulting from any inaccuracies and/or deficiencies in this documentation. Thermoscreens Ltd. retain the right to change the specifications stated in these instructions.
  • Page 38 Designation of Equipment : THERMOSCREENS HEAT PUMP AIR CURTAINS used with a MITSUBISHI ELECTRIC MR SLIM HEAT PUMP SYSTEM Series Type : HP1000 DXE; HP1000R DXE; HP1500 DXE; HP1500R DXE; HP2000 DXE, HP2000R DXE Relevant EC Council the Machinery Directive (2006/42/EC)

This manual is also suitable for:

Hp1500 dxeHp2000 dxe

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