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HX2-S/M HEAT PUMP RANGE AIR CURTAINS
INSTALLATION, OPERATION & MAINTENANCE INSTRUCTIONS
For use with Mr Slim Outdoor Units
PLEASE READ THESE INSTRUCTIONS CAREFULLY BEFORE ATTEMPTING INSTALLATION
T9901105-1-1 UK
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
Standard specification
with TORIN EC fans in
HX2-M units
Page 1 of 42
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Related Manuals for Mitsubishi Electric thermoscreens HX2-S/M 1000 DXE
Summary of Contents for Mitsubishi Electric thermoscreens HX2-S/M 1000 DXE
- Page 1 compliant HX2-S/M 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 English Warwickshire England CV11 5AU Email: sales@thermoscreens.com Standard specification Tel: +44 (0) 24 7638 4646 with TORIN EC fans in...
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Page 2: Table Of Contents
Thermoscreens / Mitsubishi Electric Mr Slim HX2-S/M Heat Pump Air Curtain CONTENTS Page Air Curtain System Schematics Design Information Unpacking the Air Curtain INSTALLATION Installation of the Air Curtain Figure 2 – Dimensions of Mr Slim HX2-S/M Air Curtain Mitsubishi Electric Outdoor Unit... -
Page 3: Air Curtain System Schematics
Interface PCB, with dip switches set to be a PAC-IF020B-E * a Mitsubishi Electric 'Mr Slim Outdoor Unit' ** a Mitsubishi Electric 'PAR-W21 MAA Remote Controller' for manual control by the occupant of weather compensation control or discharge air temperature control ** ... - Page 4 Electrical cables BMS Control The Mr Slim HX2 Heat Pump Air Curtain System consists of :- a Thermoscreens 'HX2-S/M Air Curtain' fitted with a Mitsubishi Electric PAC-IF010B-E Interface PCB * a Mitsubishi Electric 'Mr Slim Outdoor Unit' ** ...
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Page 5: Design Information
Signal for when the outdoor unit is in defrost mode so the defrost cycle auxiliary heater (if enabled) can provide partial heat back-up during the few minutes of defrost. Error signal for if the Mitsubishi Electric heat pump system has a problem Weather Compensation Control (HEATING ECO): This looks at the outside air temperature using an air sensor on the Mitsubishi Electric outdoor unit and automatically adjusts the temperature of the air curtain discharge air in accordance with a heating curve. - Page 6 (if enabled) can provide partial heat back-up during the few minutes of defrost. Error signal for if the Mitsubishi Electric heat pump system has a problem Refer to a Mitsubishi Electric agent if the air curtain is to be controlled via a Building Management System (BMS) or Centralised Controller.
- 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.
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Page 8: Unpacking The Air Curtain
If anything is missing or damaged please contact your place of purchase immediately. There will also be a 'Mr Slim Outdoor Unit' and ‘Remote Controller’ (if required) supplied by Mitsubishi Electric. The Installer will also need to supply and install the following:-... - Page 9 Mitsubishi Electric refrigeration contractor. IMPORTANT This Heat Pump Air Curtain is intended only for use with a Mitsubishi Electric Mr Slim Outdoor Unit, for use on R410A. These instructions must be read in conjunction with the Mitsubishi Electric Mr Slim Outdoor Unit instructions.
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Page 10: Installation Of The Air Curtain
INSTALLATION OF THE AIR CURTAIN The air curtain is designed to be surface mounted inside a building and located horizontally over a doorway. It must not be installed on the outside of the building, or built into a cabinet or recessed in anyway. Location The air curtain must be mounted so the discharge grille is located up to 3.2m (HX2-S), 3.5m (HX2-M) maximum above... - Page 11 Recommend 250 minimum for pipes 20mm hole on top for pumped condensate disposal (if cooling) T9901105-1-1 UK Page 11 of 42...
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Page 12: Mitsubishi Electric Outdoor Unit
Mitsubishi Electric Outdoor Unit The Mitsubishi Electric Mr Slim Outdoor Unit is selected to match its refrigerant heat output to the size of the Air Curtain. See Table 2 below for size of outdoor unit to be used together with performance data for the air curtain. -
Page 13: To Gain Access Inside The Air Curtain
(c. 42 Bar). These brazed joints may well be located in a public area and a weakness leading to an explosion could be extremely dangerous. The air curtain with its coil is manufactured in accordance with the Pressure Equipment Directive (PED) and the installation must be carried out to a good standard of workmanship. -
Page 14: Electrical Supply And Wiring To The Air Curtain
Electrical Supply and Wiring to the Air Curtain This must be carried out AFTER the connection of the refrigerant pipework. All electrical wiring and connections MUST be carried out by a competent qualified electrician in accordance with the latest edition of the IEE wiring regulations and/or local statutory regulations. - Page 15 0.75mm Controller (2-core cable) Door switch to change fan speeds as door opens and shuts 0.75mm or Remote 3-Speed fan switch Refer to Mitsubishi Electric for electrical details of the Mr Slim Outdoor Unit. T9901105-1-1 UK Page 15 of 42...
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Page 16: Wiring Diagram 1 Hx2-S (Defrost Cycle Auxiliary Heater Disabled - As Supplied)
not used White Orange T9901105-1-1 UK Page 16 of 42... -
Page 17: Wiring Diagram 2 Hx2-S (Defrost Cycle Auxiliary Heater Enabled On Site)
not used White Orange T9901105-1-1 UK Page 17 of 42... - Page 18 not used High Orange CONT GND A/T Brown T9901105-1-1 UK Page 18 of 42...
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Page 19: Wiring Diagram 4 Hx2-M (Defrost Cycle Auxiliary Heater Enabled On Site)
not used High Orange CONT GND A/T Brown T9901105-1-1 UK Page 19 of 42... -
Page 20: Wiring Of Air Curtain Fan Speed
3-speed fan switch supplied with the air curtain which can be fitted next to the Mitsubishi Electric PAR-W21MAA or PAR- 31MAA Remote Controller. The end user can then remotely select High, Medium or Low fan speeds if they choose to. - Page 21 Interface PCB inside the air curtain. This will stop the air curtain cooling if the condensate drain tray is in danger of flooding, bringing up an error code on the Mitsubishi Electric system (air curtain fans will continue to operate).
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Page 22: Fitting The Service Covers And Air Inlet Plenum
Fitting the Service Covers For units using Ceiling Suspension service covers can be fitted after all the services have been installed, (i.e. refrigeration pipework, electrical wiring, controls wiring, condensate drain pipe). Fix the support plate to the hanging rods as shown in the picture. -
Page 23: Air Curtain Checks
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 24: Dip Switch Settings And Air Temperature Sensor Position
Filter Indication connection into CN105 if removed earlier. Ensure cables are not trapped inside and refit the retaining screw. On the PCB in the Mitsubishi Electric Mr Slim Outdoor Unit SW8-3 to be ON. T9901105-1-1 UK... -
Page 25: Setting The Fan Speeds Of The Air Curtain (Hx2-S)
Setting the Fan Speeds of the Air Curtain – (HX2-S DXE) The fan motor(s) in the HX2-S DXE air curtain is a 5-speed AC 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. -
Page 26: Setting The Fan Speeds Of The Air Curtain (Hx2-M)
Setting the Fan Speeds of the Air Curtain – (HX2-M DXE) TORIN EC fans are fitted in the HX2-M DXE air curtain (standard specification). There is a speed control PCB fitted inside the unit with adjuster knobs to set the High, Medium and Low fan speeds available from the PAR-31MAA or PAR-F27MEA remote controller. -
Page 27: Starting The Heat Pump System
Diagram 1, 2, 3 or 4 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. Switch on electrical power to the Mitsubishi Electric outdoor unit and the local electrical supply to the air curtain. - Page 28 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 29 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 – Initial Setting, Page 22. Check the operation of the air curtain in Weather Compensation Control (HEATING ECO mode).
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Page 30: Inlet Air Temperature Control Or Room Air Temperature Control
If the end user is to operate the air curtain with a Remote Controller it can be set-up to monitor room air temperature at the controller instead of return air temperature at the air inlet of the air curtain. If this is required see the Mitsubishi Electric remote controller instructions for details. -
Page 31: Filter Dirty Indicator
Switch off the electrical power to the Air Curtain and the Mitsubishi Electric Outdoor Unit. Carefully slide the Interface PCB back into place and re-plug the Filter Indication connection into CN105 if removed earlier. Ensure cables are not trapped inside and refit the retaining screw. - Page 32 The indicator states are outlined below: Indicator State Indicator Light Action Required Reset Button GREEN FLASH On 0.5s; Off 3s None RED ON On permanently Vacuum inlet Quick reset RED FLASH On 0.5s; Off 0.5s Service filters Press for 5s The filter indicator schedule is based on fan operating hours.
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Page 33: Final Check Of The Unit, Hand-Over To End-User
Final Check of the Unit Replace the bottom access panel, air inlet grilles (with filters) and plastic end caps (see ‘To gain access inside the Air Curtain’). Power-up both the Outdoor Unit and the Air Curtain and re-check the operation of the unit. 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. -
Page 34: User Instructions
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 35: 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-31MAA 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 36: Fortnightly Cleaning
IF the Filter Dirty Indicator shows PERMANENT RED Reset 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. T9901105-1-1 UK... -
Page 37: Six Monthly Servicing
Before servicing, maintaining or repairing the Air Curtain always isolate the local electrical supply to the Air Curtain and, if necessary, the electrical supply to the Mitsubishi Electric City Multi system. Note: All servicing, maintenance and repairs to the air curtain must be carried out by an approved Service Agent. - Page 38 Remove the screws that fix the outlet grille to the unit. Remove the outlet grille from the unit. Remove the M5 screws that fix the drain tray to the underside of the unit. On 1500, 2000 and 2500 units there are M5 screws in the air outlet to remove as well.
- Page 39 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 2000 and 2500 unit) has not tripped (see Section – Commissioning). Check all electrical connections and terminals within the unit are tight and that crimp connections have not become loose.
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Page 40: Servicing
Action Required Switch on power to Mitsubishi Electrical power is not switched on at Electric Outdoor Unit and wait the Mitsubishi Electric Outdoor Unit for system to boot-up Switch on air curtain using the PAR-W21 or PAR-31 Remote Air curtain is not switched On... - Page 41 Warranty If any problems are encountered with the heat pump warm air curtain please contact your Mitsubishi Electric Service Agent. 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.
- Page 42 If alterations are made to the machinery without prior consultations with us, this declaration becomes invalid. Designation of Equipment : THERMOSCREENS HEAT PUMP AIR CURTAINS used with a MITSUBISHI ELECTRIC MR SLIM HEAT PUMP SYSTEM Series Type : HX2-S/M/L 1000DXE; HX2-S/M/L 1500DXE; HX2-S/M/L 2000DXE;...