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Lossnay Heat Recovery Ventilator
MODELS:
LGH-15RVX3-E
LGH-25RVX3-E
LGH-35RVX3-E
LGH-50RVX3-E
LGH-65RVX3-E
LGH-80RVX3-E
LGH-100RVX3-E
LGH-160RVX3-E
LGH-200RVX3-E
Installation Instructions
This product needs to be installed properly in order to ensure
maximum functionality as well as safety.
Please be sure to read this installation manual before starting the
installation.
l Installation must be performed by a dealer or installation contractor.
Please note that improper installation may cause malfunction or
accident.
"Operating Instructions" and this manual must be handed over to
the customer after completing the installation.
For use by dealer/contractor
Contents
1. Safety precautions ...........................................2
2. Outline drawings ..............................................4
3. Standard installation examples........................5
4. Installation method ..........................................6
4.1 Installing the Lossnay unit ..........................6
4.2 Electrical installation...................................8
5. Function settings ...........................................18
6. Check points after installation work ...............32
7. Trial operation................................................33
Eng-1
2303N22HHZA0013
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Table of Contents
Related Manuals for Mitsubishi Electric LGH-15RVX3-E
Summary of Contents for Mitsubishi Electric LGH-15RVX3-E
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Page 1: Table Of Contents
2303N22HHZA0013 Lossnay Heat Recovery Ventilator MODELS: LGH-15RVX3-E LGH-25RVX3-E LGH-35RVX3-E LGH-50RVX3-E LGH-65RVX3-E LGH-80RVX3-E LGH-100RVX3-E LGH-160RVX3-E LGH-200RVX3-E Installation Instructions For use by dealer/contractor This product needs to be installed properly in order to ensure Contents maximum functionality as well as safety. Please be sure to read this installation manual before starting the 1. -
Page 2: Safety Precautions
2303N22HHZA0013 1. Safety precautions The following signs indicate that death or serious injury may be caused by failure to heed the precautions described below. WARNING Incorrect handling could cause serious injury or death. Do not modify or disassemble. It could cause fire, electric shock or injury. Do not disassem- The Lossnay unit and remote controller should not be installed where it is highly humid, like a bathroom, or other wet place. - Page 3 2303N22HHZA0013 CAUTION Incorrect handling could cause injury or damage to property or household effects. Do not place a burning appliance in a place where it is exposed directly to the air from the Lossnay unit. It could cause an accident as a result of incomplete combustion. Do not use at a place where it is exposed to high temperatures (40˚C or higher), naked flames, or in environment with combustible fumes.
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Page 4: Outline Drawings
Position where duct direction Air filters change is possible Unit (mm) Dimensions Ceiling suspension fixture pitch Nominal Duct connecting flange Duct pitch Weight Model diameter (kg) LGH-15RVX3-E 97.5 LGH-25RVX3-E 102.5 LGH-35RVX3-E LGH-50RVX3-E 1016 1063 135.5 LGH-65RVX3-E 1001 LGH-80RVX3-E 1144... -
Page 5: Standard Installation Examples
2303N22HHZA0013 3. Standard installation examples • OA and EA duct minimum length * Except the 160 and 200 RVX3-E. Model Length Return air grille (not Included) LGH-15 to 65RVX3-E 1 m or more LGH-80 and 100RVX3-E 2.5 m or more LGH-160 and 200RVX3-E 3 m or more EA (exhaust air outlet) -
Page 6: Installation Method
2303N22HHZA0013 4. Installation method 4.1.3 Preparing the anchor bolts 4.1 Installing the Lossnay unit Mount the washers (outer diameter of >21 mm for M10, >24 mm for 4.1.1 Attaching the duct connecting flanges M12) and nuts onto the pre-recessed anchor bolts (M10 or M12), as shown in the figure below. - Page 7 2303N22HHZA0013 4.1.5 Connecting the ducts • Do not carry out the following types of duct construction. (Doing so could cause a drop in the air volume and generate (1) Fasten the duct securely to the duct connecting flange, and wrap abnormal noises.) aluminium tape (field supply) around the joints so that there is no •...
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Page 8: Electrical Installation
2303N22HHZA0013 4.2 Electrical installation With this product, the wiring installation method will vary according to the design of the system. Perform electrical installation to meet appropriate standards and regulations. * Always use double insulated PVC cable for the transmission cables. * Wiring work must be performed by qualified professionals. - Page 9 2303N22HHZA0013 4.2.2 Wire connection diagram * TM1, TM2, TM3, TM4, TB5 shown in dotted lines are field work. * Be sure to connect the ground wire. * A power supply isolator must be installed. * Always use an isolator for the main switch power connection. * Select proper circuit breaker according to the electrical current information in the chart below.
- Page 10 2303N22HHZA0013 4.2.3 Connecting the power supply cable CAUTION (1) Remove the black screws and the control box cover. • Always separate the power supply cable and transmission cable by 5 cm (2”) or more to prevent malfunctioning of the unit. Models LGH-15 to 100RVX3-E •...
- Page 11 2303N22HHZA0013 4.2.4 Installing Lossnay unit vertically When unit is installed vertically, follow below instructions. For items not described in this section, follow the instructions in other sections. LGH-15 to 100RVX3-E are allowed to be installed vertically, only in the direction the maintenance cover faces up. Use optional parts PZ-1/2VS-E for vertical floor installation, otherwise installer shall ensure the safety during the lifetime of the unit.
- Page 12 2303N22HHZA0013 1. Replace the PZ-1/2VS-E with the existing ceiling suspension fixtures before standing the unit vertically. Use the removed M6 screws from the unit and the included M5 screws to fix them securely. Refer to the PZ-1/2VS-E manual for more information. 2.
- Page 13 When using Mitsubishi Mr. Slim air conditioner with MA signal) Remote controller 9 When connecting to the City Multi or Mitsubishi Electric Air- Confirm that the pulse input switch (SW2-2) is set to “OFF”. Conditioner Network System (MELANS) (Factory setting is “OFF”.) (Refer to function settings No.
- Page 14 2303N22HHZA0013 When the external device has an Volt-free contact signal • Only one unit can be set as main Lossnay. The operating signal and pulse signal of the external device can be connected to • If the input is pulse signal, move the pulse input switch [SW2-2] to Main Lossnay only.
- Page 15 2303N22HHZA0013 • Install the duct heater separated from the product by a distance When switching By-pass externally. of 2 m or more. Failure to do so may result in equipment damage due to the Establish the wire connection by inserting the optional remote transmission of residual heat from the heater.
- Page 16 SW2: ON/OFF switch X, Y: Relay (Contact rated load: 0.1 A at 15 VDC or more, Minimum applicable load: 1 mA or less) When connecting to the City Multi, Mitsubishi Electric Air- Lossnay external Conditioner Network System (MELANS) control input...
- Page 17 2303N22HHZA0013 Control via Wi-Fi interface or MELCOBEMS MINI Connect the lead wire of a Wi-Fi interface or MELCOBEMS MINI to CN105 on circuit board of Lossnay unit. Regarding the model name of the connectable Wi-Fi interface or MELCOBEMS MINI, please contact the sales company in your market.
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Page 18: Function Settings
Pulse input setting No. 9 Delay start setting for air conditioner starting SW6-1 SW6-2 SW6-3 SW6-4 SW6-5 SW6-6 No. 6 Indoor negative pressure setting LGH-15RVX3-E No. 7 Indoor positive pressure setting LGH-25RVX3-E No. 64 Fan speed for air volume “High” setting... - Page 19 2303N22HHZA0013 Setting Data Factory DIP-SW No Function setting Indicator Indicator Indicator Indicator available available Filter maintenance and fan power up setting against filter — — — — — — — — — — — — — power up power up power up power up choking...
- Page 20 2303N22HHZA0013 Setting Data Factory DIP-SW No Function setting Automatic ventilation mode setting 2) Setting Data 0 to 15 -- > Lowest outdoor temperature 10˚C to 25˚C — The lowest outdoor temperature setting Automatic ventilation mode Setting Data 0 to 15 -- > Lowest indoor temperature 15˚C to 30˚C —...
- Page 21 2303N22HHZA0013 Automatic recovery setting after power — No.5 Auto fan speed setting without Lossnay remote controller or M-NET system controller interruption When CO sensor is connected but any remote controller is not Sets for automatic recovery following power interruption. connected, SW 5-9 has to be ON in order to operate according to CO DIP-SW PZ-62DR-EA/EB Setting Setting...
- Page 22 2303N22HHZA0013 No.9 No.17 Delay start setting for air conditioner Exhaust fan setting during air conditioner starting defrosting Delays Lossnay operation for 30 minutes when City Multi or Mr. Slim This function can be used under the condition Lossnay supply duct is starts operating or when a external device starts operating.
- Page 23 2303N22HHZA0013 Night-purge setting 3) No.28 No.32 Pulse input setting The lowest outdoor temperature Set external input signal type from external device for TM2. Set one of conditions for Night-purge start, maximum outdoor temperature within 72 hours. DIP-SW PZ-62DR-EA/EB Setting Setting When this setting temperature is low, it is likely to start Night-purge.
- Page 24 2303N22HHZA0013 Temperature exchange efficiency No.36 No.40, 41 Outdoor temperature display setting setting Set to display outdoor temperature detected by Lossnay unit Set the 10 digit of temperature exchange efficiency which is used to thermistor. calculate supply air temperature. This function is N/A from Lossnay unit DIP-SW. This function is N/A from Lossnay unit DIP-SW.
- Page 25 2303N22HHZA0013 No.43 No.46 Indoor temperature correction Exhaust fan monitor threshold Set the correction for the indoor temperature displayed on the The threshold fan speed of exhaust fan monitor output can be PZ-62DR-EA/EB screen by function selected. No. 37 This function is N/A from Lossnay unit DIP-SW. This function is N/A from Lossnay unit DIP-SW.
- Page 26 2303N22HHZA0013 Example 2 Automatic ventilation mode setting 3) No.54 By-pass/Heat recovery ventilation map in automatic ventilation The lowest indoor temperature setting mode Set one of conditions for By-pass mode in auto ventilation operation, minimum indoor temperature. This function is N/A from Lossnay unit DIP-SW. Heat recovery ventilation area When Lossnay is interlocked to Mr.
- Page 27 2303N22HHZA0013 Pre-heater output setting 1) No.60 No.65 Fan speed for air volume “Low” input ON temperature Set the outdoor temperature for Pre-heater output ON. Set the fan speed setting when receiving “Low” signal from remote When detecting temp. becomes the setting or less, Pre-heater output controllers (e.g.
- Page 28 - When installing the centralized management devices (including the system controller) in Mitsubishi Electric Air-Conditioner Network System (MELANS), perform emergency stop by the centralized management devices. In this case, do not use the function No. 69...
- Page 29 2303N22HHZA0013 No.73 -78, 87, 88 Airflow Adjust the output of the fan speed. This function can also be set on the Airflow settings screen of the PZ-62DR-EA/EB. This function is N/A from Lossnay unit DIP-SW. PZ-62DR-EA/EB Setting PZ-62DR-EA/EB Setting PZ-62DR-EA/EB Setting Fan output Fan output Fan output...
- Page 30 2303N22HHZA0013 No.83, 84 No.89, 90 Filter maintenance interval setting sensor setting - maximum side Filter cleaning sign is displayed on the remote controller according to It is possible to set the CO concentration which fan speed turn into 4. the set interval in this function. When it is necessary to set 50 ppm, set Function as 1.
- Page 31 2303N22HHZA0013 No.93 sensor correction concentration can be corrected when PZ-70CSW-E or PZ- 70CSD-E is connected. In this function, the control value of CO level is corrected. On the other hand, No. 44 changes the displayed CO level only. This function is N/A from Lossnay unit DIP-SW. DIP-SW PZ-62DR-EA/EB Setting Setting...
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Page 32: Check Points After Installation Work
2303N22HHZA0013 6. Check points after installation work After installation work has been completed, check the following points once again. If any failure is detected, be sure to fix it. Check the following points before trial operation, and place a check mark in the corresponding check box. -
Page 33: Trial Operation
• When delay start time is set (when City Multi or Mr. Slim that is connected using a Slim-Lossnay interlocking cable starts operating), check Lossnay operation after the delay start time has passed. 7.3.2 For MELANS system • Check Lossnay operation by using the Mitsubishi Electric Air-Conditioner Network System (MELANS). Eng-33... - Page 34 2303N22HHZA0013 7.4 If trouble occurs during trial operation Symptom Remedy Lossnay does not operate even • Check the power supply. (The specified power supply is single-phase 220-240 V 50Hz / 220 V 60Hz) when the operation switch of the • Check for a short circuit or disconnection in the transmission cable. (Check that the voltage between remote controller (PZ-62DR-EA/EB) terminals in the transmission cables is 10 to 13 VDC for the PZ-62DR-EA/EB.) is pressed.