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Summary of Contents for Lennox EMEA MAXIAIR MXP-HPW
- Page 1 INSTALLATION, OPERATING AND MAINTENANCE MAXIAIR MXP-HPW HPWi & 5000 - 13500 m HEAT RECOVERY UNIT WITH ENTHALPIC THERMAL WHEEL, COMBINED TO HEAT PUMP SYSTEM HPWi : With Inverter compressor MAXIAIR MXP-HPW&HPWI- IOM-1905-E www.lennoxemea.com...
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Page 2: Table Of Contents
Remote on/off start up o time bands 14.4 Electronic expansion valve management 14.5 Building Management System (Modbus RTU protocol) 14.6 Defrost mode 14.7 External positioning of control panel MAINTENANCE 15.1 Maintenance instructions TROUBLESHOOTING SAFETY STANDARDS DISPOSAL Installation Manual • MAXIAIR MXP-HPW & HPWI-IOM/1905-E • 1 •... -
Page 3: Symbols Used
The use of the same for different purposes from those envisioned, not conform to that described in this manual, will make any direct and/or indirect liability of the Manufacturer automatically become null and void. • 2 • Installation Manual • MAXIAIR MXP-HPW & HPWI-IOM/1905-E... - Page 4 As our Company is constantly involved in the continuous improvement of its production, aesthetic characteristics and dimensions, technical data, equipment and accessories can be subject to variation. For this reason the manufacturer reserves the right to make any changes without prior notice. Installation Manual • MAXIAIR MXP-HPW & HPWI-IOM/1905-E • 3 •...
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Page 5: Presentation Of The Manual
(supply temperature in case of variable flow compressor), free-cooling, heating/cooling mode and defrost cycles; on board control panel. With SCMB option, Modbus RTU protocol for Building Management System • 4 • Installation Manual • MAXIAIR MXP-HPW & HPWI-IOM/1905-E... -
Page 6: Technical Specifications
(3) winter mode (outside -5°C 80% RH, inside 20°C 50% RH) (4) summer mode (outside 32°C 50% RH, inside 26°C 50% RH) (5) fans and adiabatic pump absorbed power included Installation Manual • MAXIAIR MXP-HPW & HPWI-IOM/1905-E • 5 •... -
Page 7: Configuration, Dimensions And Weights
3225 3385 3385 3385 3585 3585 Weight 1400 1550 1900 2200 2500 Ø S 1" M 1" M 1" ¼ M 1" ¼ M 1" ¼ M Ø S Drain • 6 • Installation Manual • MAXIAIR MXP-HPW & HPWI-IOM/1905-E... - Page 8 - ON / OFF unit - Speed control fans - Set-point adjustment It’s also possible to view all the parameters of operation of the machine. PCB Modbus connector PCB Modbus Installation Manual • MAXIAIR MXP-HPW & HPWI-IOM/1905-E • 7 •...
- Page 9 The condenser coil heats up exhaust air so it defrosts also the rotative heat recovery, flowing through the recirculation damper. Warmed air flows through the evaporation coil: this permits a high efficiency defrosting operation reducing its duration and increasing the supply air temperature. 1300 • 8 • Installation Manual • MAXIAIR MXP-HPW & HPWI-IOM/1905-E...
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Page 10: Checks Before Shipment
The are fitted with a base frame and support feet orwith a continuous support base. In both cases, special holes have been provided to insert lifting pipes for hoisting with cables. It is strongly recommended : Installation Manual • MAXIAIR MXP-HPW & HPWI-IOM/1905-E • 9 •... -
Page 11: Storage
SPECIALISTIC STAFF - It is composed by the physical trained persons, able to recognize any danger due to the proper and improper use of the unit and able to avoid or repair it. inflammable or toxic gases at a high temperature. • 10 • Installation Manual • MAXIAIR MXP-HPW & HPWI-IOM/1905-E... -
Page 12: Safety Standards
If, for technical-structural requirements, vibration damping supports are installed between the unit and the support base, elastic joints must also be used on the water fittings (coils, humidifier, drains, etc.) and on the air fittings (air outlets, fan openings, etc.). Installation Manual • MAXIAIR MXP-HPW & HPWI-IOM/1905-E • 11 •... -
Page 13: Connection To Air Ducts
Each syphon shall be provided with a cap for cleaning or shall be easy to remove; prime each syphon before starting up • Condensate pipeline shall have a fall out • Check that pipeline doesn’t stress condensate outlet connection • 12 • Installation Manual • MAXIAIR MXP-HPW & HPWI-IOM/1905-E... - Page 14 COILS ON BOARD UNIT) BEFORE STARTING-UP THE UNIT, PARTICULARLY IF THE LATTER IS INSERTED IN NICHES OR FALSE CEILING. IF YOU DO NOT PERFORM THESE CHECKS, WE DISCLAIM ANY RESPONSIBILITY FOR POSSIBLE DAMAGES. Installation Manual • MAXIAIR MXP-HPW & HPWI-IOM/1905-E • 13 •...
- Page 15 * The conductivity of the water is always expressed at 20 ° C, taking into account that the conductivity decreases with the decrease in water temperature, it is possible in fact that in winter the mains water is particularly cold and therefore not conductive. • 14 • Installation Manual • MAXIAIR MXP-HPW & HPWI-IOM/1905-E...
- Page 16 The path of the condensate drain pipe must always slope down towards the outside. Check that the condensate drain pipe does not stress the discharge fitting on the unit. Installation Manual • MAXIAIR MXP-HPW & HPWI-IOM/1905-E • 15 •...
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Page 17: Refrigerant Circuit
Low pressure switch Compressor Filter drier 0-50 bar pressure probe 0-30 bar pressure probe Crankcase heater Liquid receiver Liquid sight glass Temperature probe Inversion valve Thermostatic expansion valve Unidirectional valve • 16 • Installation Manual • MAXIAIR MXP-HPW & HPWI-IOM/1905-E... -
Page 18: Electric Connections
Electric heater wiring diagram Power line : provide a proper safety device equipped with differential magnetothermic switch MXP - HEXA Dashed lines show the connections to be carried out by installer Installation Manual • MAXIAIR MXP-HPW & HPWI-IOM/1905-E • 17 •... -
Page 19: Check Before Start-Up
• Check the position of the rotative enthalpic exchanger and check the belt tension. Lightly press all the seals of the hentalpic rotative exchanger before the first use. • 18 • Installation Manual • MAXIAIR MXP-HPW & HPWI-IOM/1905-E... -
Page 20: Bioxigen
In order to have a correct sanitization, the Bioxigen® module has to work only when fan is off (without forced ventilation) Installation Manual • MAXIAIR MXP-HPW & HPWI-IOM/1905-E • 19 •... - Page 21 9. Set back the wire mesh over the internal grid. 10. Connect the electrical plug 11. Connect the power supply. 12. Check that the appliance works properly. Test run and verify the appliance works properly responding to controls. • 20 • Installation Manual • MAXIAIR MXP-HPW & HPWI-IOM/1905-E...
- Page 22 Do not use soap or chemicals in order to clean. General Note It is recommended to follow technical documentation and instructions to guarantee a safe and effective Bioxigen ® functioning. Installation Manual • MAXIAIR MXP-HPW & HPWI-IOM/1905-E • 21 •...
- Page 23 Contact NA - Alarm step 1 20.4 25.1 Contact NC - Alarm step 2 25.2 25.3 Contact NA - Alarm step 2 25.4 Micro-switch Fuse Relay activation Button system Power indicator Condensers/tube Condensers/tube • 22 • Installation Manual • MAXIAIR MXP-HPW & HPWI-IOM/1905-E...
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Page 24: Electronic Control
Inversion cycle valve 1 8015-G0 Alarm 8016-G0 Dampers I/O 8110-G0 Compressor 2 8111-G0 DO10 Inversion cycle valve 2 8112-G0 DO11 Adiabatic cooler 8113-G0 DO12 Bypass 8114-G0 AI12 Thermal integration step 2 Installation Manual • MAXIAIR MXP-HPW & HPWI-IOM/1905-E • 23 •... -
Page 25: Control Panel
All the pages of the menus are marked by a code in top right position, which specifies with the first letter the menu (in this case A) and with 2 digits the number of the page. • 24 • Installation Manual • MAXIAIR MXP-HPW & HPWI-IOM/1905-E... - Page 26 Ga01 stands for page 02 of the subordinate menu “a” of the menu G.The access to this menu is protected by password that is 0000. Menu H: Manufacturer This menu is reserved to the manufacturer. Installation Manual • MAXIAIR MXP-HPW & HPWI-IOM/1905-E • 25 •...
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Page 27: Remote On/Off Start Up O Time Bands
6:00 and work to 12.00 with SET1 set point. After that at 15.00 unit will switch on and work to 19.00 with set point SET2 • 26 • Installation Manual • MAXIAIR MXP-HPW & HPWI-IOM/1905-E... -
Page 28: Electronic Expansion Valve Management
It’s by a built in driver, based on the signals from temperature and pressure sensors in the refrigeration circuit; it’s set properly by the Manufacturer and it usually doesn’t require any change. 14.5 Building Management System (Modbus RTU protocol) For setting features and data addressed management see specific document. Installation Manual • MAXIAIR MXP-HPW & HPWI-IOM/1905-E • 27 •... -
Page 29: Defrost Mode
Operate as follows Access to Electrical box, positioning in OFF the switch and opening the panel. Remove the two yellow clips at the sides of control. Remove the cable Remove the control • 28 • Installation Manual • MAXIAIR MXP-HPW & HPWI-IOM/1905-E... - Page 30 -10 ÷ 10 Compressor yes - no activation Timeout low 0 ÷ 300 pressure alarm Gc12 Minimum compressor on / off 0 ÷ 5 time Expansion valve Gfc13 yes - no activation Installation Manual • MAXIAIR MXP-HPW & HPWI-IOM/1905-E • 29 •...
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Page 31: Maintenance
The unit must not be operated without filters. Pay special attention when reassembling the filters, so as to avoid the unwanted “bypass” of air. • 30 • Installation Manual • MAXIAIR MXP-HPW & HPWI-IOM/1905-E... - Page 32 1- Spray the disinfectant on the surface of the exchanger and allow to dry. 2- When it is dry, perform a thorough cleaning again with a high pressure water jet. Following the images of the process just listed. Annuale Installation Manual • MAXIAIR MXP-HPW & HPWI-IOM/1905-E • 31 •...
- Page 33 Control of the electrical absorption of the condensation elicoidal fans • Control of the tightness and of the state of the transmission belts • Control of the voltage supply of the unit • 32 • Installation Manual • MAXIAIR MXP-HPW & HPWI-IOM/1905-E...
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Page 34: Troubleshooting
Damper frame not square The damper doesn’t open Locked make it square Restore the locking of the shaft Uncoupled damper shaft with fixing grain or bolt fixing. Make it square. Installation Manual • MAXIAIR MXP-HPW & HPWI-IOM/1905-E • 33 •... - Page 35 (**) Alarm will reset automatically and unit will run again, until 3 times in 1 hour;, then manual reset from user display (***) Settable alarm: default visual alarm, settable alarm that turns off fans by parameter • 34 • Installation Manual • MAXIAIR MXP-HPW & HPWI-IOM/1905-E...
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Page 36: Safety Standards
Lubrificant oil POE (to recycle and dispose with proper cycle); • Injected polyurethane (to recycle and dispose with proper cycle); • Rehydrating filters of the refrigerant circuit (to recycle and dispose with proper cycle). Installation Manual • MAXIAIR MXP-HPW & HPWI-IOM/1905-E • 35 •... - Page 37 • 36 • Installation Manual • MAXIAIR MXP-HPW & HPWI-IOM/1905-E...
- Page 38 +48 22 58 48 610 LENNOX DISTRIBUTION +33 4 72 23 20 20 Due to LENNOX EMEA ongoing commitment to quality, the specifi cations, ratings and dimensions are subject to change without notice and without incurring liability. MAXIAIR MXP-HPW&HPWI- Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury.
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