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Mitsubishi Electric Thermoscreens VRF HP Installation, Operation & Maintenance Instructions Manual Download Page 1

 

 T9901075-2-3  UK 

Page 1 of 38 

        

 

 

VRF HP HEAT PUMP RANGE AIR CURTAINS 

  

INSTALLATION, OPERATION & MAINTENANCE INSTRUCTIONS

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

For use with City Multi (VRF) systems 

 

PLEASE READ THESE INSTRUCTIONS CAREFULLY BEFORE ATTEMPTING INSTALLATION 

 

Thermoscreens Ltd 

St. Mary’s Road  Nuneaton 

Warwickshire  England 

CV11 5AU 

 

Email: 

[email protected]

 

Tel:  +44 (0) 24 7638 4646 
Fax: +44 (0) 24 7638 8578 

www.thermoscreens.com 

 

English

ErP2015 

compliant 

Summary of Contents for Thermoscreens VRF HP

Page 1: ...CTIONS For use with City Multi VRF systems PLEASE READ THESE INSTRUCTIONS CAREFULLY BEFORE ATTEMPTING INSTALLATION Thermoscreens Ltd St Mary s Road Nuneaton Warwickshire England CV11 5AU Email sales thermoscreens com Tel 44 0 24 7638 4646 Fax 44 0 24 7638 8578 www thermoscreens com English ErP2015 compliant ...

Page 2: ...isabled as supplied 17 Wiring Diagram 2 AC Fans Defrost Cycle Auxiliary Heater enabled on site 18 Wiring Diagram 3 EC Fans Defrost Cycle Auxiliary Heater disabled as supplied 19 Wiring Diagram 4 EC Fans Defrost Cycle Auxiliary Heater enabled on site 20 PAR 31MAA Remote Controller 21 Wiring of Air Curtain Fan Speed 21 Condensate Disposal System 21 COMMISSIONING Air Curtain Checks 23 Selecting the F...

Page 3: ...nge fan speeds higher speed when the door is open lower speed when the door is closed optional Mitsubishi Electric Indoor Unit s NB Can be used on a full air curtain basis if required up to 100 diversity supplied by Thermoscreens Ltd Mitsubishi Electric items supplied by the installer supplied by the installer Heat Pump Air Curtain Mitsubishi Electric VRF Compressor Unit M Net Comms Link from Comp...

Page 4: ...peed when the door is open lower speed when the door is closed optional Mitsubishi Electric Indoor Unit s NB Can be used on a full air curtain basis if required up to 100 diversity supplied by Thermoscreens Ltd Mitsubishi Electric items supplied by the installer supplied by the installer Permanent electrical supply from local switched spur 1 phase for air curtain as supplied 3 phase only if defros...

Page 5: ... if enabled can provide partial heat back up during the few minutes of defrost Error signal for if the Mitsubishi Electric system has a problem As an alternative a door switch can be used to switch between a higher fan speed with the door open or a lower fan speed with the door closed The air curtain can be set to operate in HEAT FAN or COOL mode within the Mitsubishi Electric City Multi VRF syste...

Page 6: ...curtain for condensate pipework to pass through see Figure 1 Page 11 Suitable condensate pumps are Peristaltic or Rotary Diaphragm type We recommend the Blue Diamond rotary diaphragm type with cooling signal sensor drainStik manufactured by Charles Austen Pumps Ltd www miniblue co uk If using a condensate pump it is recommended that it has the facility so it only operates when the air curtain is i...

Page 7: ...uthern European regions where other indoor units are in cooling mode on the same VRF system Even though the air curtain is not being used for cooling the DX coil will still get cold because of the small flow of cooling refrigerant and water condensate will be produced This is why a drip tray is fitted in the air curtain for unintentional condensate formation In regions where there is high humidity...

Page 8: ...i VRF heat pump system supplied by Mitsubishi Electric The Installer will also need to supply and install the following Wall Brackets and Fixing Bolts for if air curtain is to be wall mounted VRF HP Heat Pump Air Curtain Please note plastic end caps are supplied loose to be fitted during installation Twin LEV Kit P200 units PAR 31 MAA or PAR U02MEDA Remote Controller If Air Curtain is to be manual...

Page 9: ...ubishi Electric City Multi VRF instructions All documentation supplied with the unit should be stored and kept for future reference For your records Date of Purchase Place of Purchase Serial Number For warranty purposes proof of purchase is necessary so please keep a copy of your invoice Condensate Pump self priming with cooling mode detection alarm system and pump overrun If Air Curtain is to be ...

Page 10: ... of wall and the weight of the unit see Table 1 Air Curtain Weight kg VRF HP1000 DXE 46 VRF HP1500 DXE 67 VRF HP2000 DXE 84 Step 1 Refer to Figure 1 Page 11 for mounting details and drill the fixing points in the wall Step 2 Screw in the top wall bolts leaving a small gap between the head and the wall Lower the unit onto the bolts via the key hole slots in the top of the wall brackets and then scr...

Page 11: ...HP1500DXE VRF HP2000DXE Recommend 250 minimum for pipes 655 699 570 20mm hole on top for pumped condensate disposal if cooling Gas Line G Liquid Line L K 50 200 45 45 105 C I F H Inserts for M10 drop rods 4 for 1m unit 6 for 1 5m 2m units Use all drop rod holes 1 5m only J 45 225 20 250 20mm hole for gravity or pumped condensate disposal if cooling Electrical Supply and Mitsubishi Control Wiring I...

Page 12: ... site Refrigerant Pipework This must be carried out before connection of any electrical and controls cables and in accordance with the Instructions that come with the Mitsubishi Electric City Multi system This work must only be undertaken by a Mitsubishi Electric approved Contractor Contact Mitsubishi Electric for recommended pipework sizes pipework lengths numbers of fittings etc The installation...

Page 13: ...om 1 pair of ports it is recommended that 2 pairs of ports on the BC Controller are used to achieve the correct output contact Mitsubishi Electric for advice Pipework from P200 Index air curtains see Table 2 must go to 2 pairs of ports on the BC Controller to achieve the correct output P200 Index air curtains do not have the LEV fitted inside the unit but have a twin LEV kit fitted into the liquid...

Page 14: ...nlet grille in turn with its filter by unfastening the quarter turn Philips Head fastener at the bottom corner of the grille Use a Philips No 1 screwdriver to access the screw via the elongated hole at the bottom corner of each grille and turn anti clockwise to remove see picture To remove the bottom access panel unfasten the access panel securing screws one at each end plus two in the centre VRF ...

Page 15: ...al installation equipment are correctly sized for the air curtain being installed See Table below A 25mm size cable gland or conduit connector should be used for the Electrical Supply into the air curtain See Figure 1 Page 11 showing where the electrical supply enters the unit This appliance must be Earthed Wire in accordance either with 1 or 2 in the Table below Air Curtain 1 Unit as supplied def...

Page 16: ...efrost cycle auxiliary heater can be enabled by disconnecting the neutral wire violet from the auxiliary terminal 14NO on the contactor inside the air curtain This wire is then connected onto terminal A2 on the contactor as shown in the adjacent picture see also Wiring Diagram 2 or 4 Recommended wire sizes for electrical connections are as follows Electrical Connection Wire Size 1 phase electrical...

Page 17: ...ng Thermistor Liquid Factory fitted Thermistor Inlet Air Factory fitted CONDENSATE ALARM Open Circuit Alarm Compressor Stops Black White Red A B FUSE TERM Grey T 5A FUSE L N 230v AC electrical power for condensate pump if required High Low Med Fan Grey 0 1 2 3 4 5 6 1 Blue Neutral Brown High Grey Violet Orange Red Low FAN MOTOR 1 0 1 2 3 4 5 6 1 Blue Neutral Brown High Grey Violet Orange Red Low G...

Page 18: ...veable head of dip switch Thermistor Gas Sensor fitted on site in top pocket after brazing Thermistor Liquid Factory fitted Thermistor Inlet Air Factory fitted CONDENSATE ALARM Open Circuit Alarm Compressor Stops Black White Red A B FUSE TERM 3 PHASE CONTACTOR FOR DEFROST HEATER Grey T 5A FUSE L N 230v AC electrical power for condensate pump if required WARNING 400V on some terminals High Low Med ...

Page 19: ...er brazing Thermistor Liquid Factory fitted Thermistor Inlet Air Factory fitted CONDENSATE ALARM Open Circuit Alarm Compressor Stops Black White Red A B FUSE TERM Grey T 5A FUSE L N 230v AC electrical power for condensate pump if required High Low Med Fan Grey Green Orange Blue Red The air curtain is delivered with the Defrost Cycle Auxiliary Heater disabled Enable Disable PAR Controller for ON OF...

Page 20: ...cates moveable head of dip switch Thermistor Gas Sensor fitted on site in top pocket after brazing Thermistor Liquid Factory fitted Thermistor Inlet Air Factory fitted CONDENSATE ALARM Open Circuit Alarm Compressor Stops Black White Red A B FUSE TERM 3 PHASE CONTACTOR FOR DEFROST HEATER Grey T 5A FUSE L N 230v AC electrical power for condensate pump if required WARNING 400V on some terminals High ...

Page 21: ...in Fan Speed As delivered the air curtain is set up to provide 3 speed fan control High Medium and Low using a PAR 31MAA or PAR U02MEDA remote controller A suitable alternative 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 This is both energy efficient and noise friendly There is a wire link that needs to be removed from th...

Page 22: ... holes in the casing one at the top of the unit and a lower one at the rear both fitted with rubber plugs see Figure 1 Page 11 These can be used to feed a hose from the condensate pump to a remote condensate drain Condensate drain hose should be pushed through either of the two condensate outlet holes after removing the plug and connected to the condensate pump using the adapter supplied with the ...

Page 23: ... the top of the unit 2 on a VRF HP2000 DXE unit If the cut out switch has tripped it will click back on see picture 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 City Multi system and the Air Curtain Indoor Unit It is held in place by a fixing screw located in th...

Page 24: ...native to the PAR 31MAA 3 speed fan control dip switch SW4 will also need to be changed See Wiring Diagram for details Check that the wiring between the Air Curtain and the City Multi VRF system is in accordance with Wiring Diagram If still withdrawn carefully slide the Interface PCB back into place Ensure cables are not trapped inside and refit the retaining screw If not already done wire a Mitsu...

Page 25: ...2 2 8 HP1000 DXE 56 HP1500 DXE 54 HP2000 DXE 56 1250 1860 2480 MEDIUM blue wire 3 2 4 HP1000 DXE 54 HP1500 DXE 52 HP2000 DXE 54 1170 1750 2340 4 2 0 HP1000 DXE 51 HP1500 DXE 49 HP2000 DXE 51 1030 1460 2070 LOW yellow wire 5 Lowest speed 1 8 HP1000 DXE 47 HP1500 DXE 45 HP2000 DXE 47 900 1240 1810 See also Section Installation Wiring of Air Curtain Fan Speed giving details of how to wire in fan spee...

Page 26: ...7 56 58 1425 2400 2820 8v 3 0 56 55 57 1320 2250 2665 7 5v Medium 2 8 54 53 55 1240 2120 2500 7v 2 6 53 52 54 1165 1975 2325 6 5v 2 4 51 50 52 1080 1835 2160 6v 2 2 50 49 51 990 1690 1990 5 5v Low 2 0 47 46 47 920 1550 1825 5v 1 9 45 44 45 835 1425 1680 4 5v See also Section Installation Wiring of Air Curtain Fan Speed giving details of how to wire in fan speeds Sound pressure levels dB A at 3m di...

Page 27: ...e Remote Controller and the air curtain fans will start straight away Using the Fan Speed Button on the remote controller check that the fans run at HIGH speed MEDIUM speed and LOW speed and there is no mechanical noise coming from the fans at each of the three fan speeds If a door switch has been installed to change fan speeds from High door open to Low door closed check this operates correctly S...

Page 28: ...e disposal system fitted To conserve energy and carbon resources it is recommended to set up the Remote Controller BMS System or Centralised Controller so it operates in HEAT Mode at a target temperature of 24 C This is the normal mode of operation for the heat pump air curtain and it should run in this set up with no further adjustments automatically heating as required If the target temperature ...

Page 29: ...ult schedule shown schematically below the inlet grilles should be vacuum cleaned every 240hrs of fan operation 3 to 4 weeks depending on use and a full service should take place every 960hrs of fan operation 4 to 6 months depending on use The factory set default schedule is suitable for most applications However the actual frequency of cleaning required will depend on the environment Two alternat...

Page 30: ...discharge grille supporting it from below The Filter Indicator PCB is now accessible to change the jumper position Once the filter indicator PCB jumper has been re positioned push the discharge grille back up into place and re fasten the screws Replace bottom access panel inlet grilles and plastic end caps in reverse order Final Check of the Unit Replace the bottom access panel air inlet grilles w...

Page 31: ... operate in cooling mode show the end user how the COOL AUTO mode operates Leave the system set to HEAT and lock all buttons on the remote controller except the ON OFF button before leaving site Locking Function No 1 If the air curtain is to be operated under the control of a BMS System or Centralised Controller explain all the settings and demonstrate the operation of the system That the air curt...

Page 32: ...he target temperature using the or Temp buttons between 22 C and 28 C maximum This is the normal mode of operation for the heat pump air curtain and it should run in this set up with no further adjustments automatically heating as required Allow time for the air stream to heat up AUTO Mode only use if a condensate pump and drain system is fitted Press the Mode Button on the Remote Controller until...

Page 33: ... the Filter Dirty Indicator after cleaning by a quick press of the Reset Button NB The filter dirty interval feature on the Mitsubishi Electric remote controller is not available Servicing the Air Curtain suggest every 6 Months or if the Filter Dirty Indicator shows FLASHING RED Before servicing maintaining or repairing the Air Curtain always isolate the local electrical supply to the Air Curtain ...

Page 34: ...forwards see picture Do not adjust fan speeds these were set during commissioning Vacuum clean and remove any build up of dust dirt and debris within the air curtain especially on the fans Note Fan motors are permanently lubricated and require no additional lubrication If the Air Curtain has been used in Cooling Remove two screws from each end of the air curtain that attach the air discharge grill...

Page 35: ... Once the air curtain has been cleaned visually inspect the air curtain components Ensure pipe temperature sensors are located in their pockets and any foam insulation covering these pockets is un damaged Check that the thermal overheat cut out switch two on a VRF HP2000DXE unit has not tripped see Section Commissioning Page 23 Check all electrical connections and terminals within the unit are tig...

Page 36: ... curtain is set to Fan Only on PAR 31MAA U02MEDA Remote Controller BMS System or Centralised Controller Check schedule on Controller and amend if necessary Target temperature is set incorrectly i e too low for heating or too high for cooling Adjust the target temperature on the Remote Controller BMS System or Centralised Controller The operating mode is set incorrectly i e set on COOL when heating...

Page 37: ...ain the right to change the specifications stated in these instructions Thermoscreens Ltd St Mary s Road Nuneaton Warwickshire England CV11 5AU Email sales thermoscreens com Tel 44 0 24 7638 4646 Fax 44 0 24 7638 8578 www thermoscreens com Issue 2 1 changed to incorporate EC Fans twin LEV kit for VRF HP2000R DXE HO unit 01 04 15 optional Side Guard feature minor changes Issue 2 2 changes to LV EMC...

Page 38: ...RF HP2000 DXE VRF HP2000R DXE VRF HP2000 DXE HO VRF HP2000R DXE HO Relevant EC Council the Machinery Directive 2006 42 EC Directives the Low Voltage Directive 2014 35 EU the Electromagnetic Compatibility Directive 2014 30 EU the Pressure Equipment Directive 97 23 EC the Energy related Products Directive 2009 125 EC Applied Harmonised Machinery BS EN ISO 12100 2010 BS EN ISO 13857 2008 Standards LV...

Page 39: ... Inn City Multi VRF R2 Series London The Co operative City Multi VRF R2 Series London VRF HP DXE Heat Pump Air Curtain Instructions T9901075 2 3 UK VRF HP1000 2000 R â DXE HO Product Information Sheet VRF HP1000 2000 R DXE HO Declaration of Conformity ...

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