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EDUS711116

VAM-GVJU

1

VAM-GVJU

Energy Recovery Ventilators

1. Specifications .............................................................................................. 2
2. Dimensions .................................................................................................3
3. Wiring Diagrams..........................................................................................5
4. Electric Characteristics................................................................................ 7
5. Sound Levels .............................................................................................. 8

5.1

Overall Sound Level ..................................................................................... 8

5.2

Sound Power Level ...................................................................................... 8

5.3

Octave Band Level ....................................................................................... 9

6. Performance Characteristics.....................................................................11
7. Installation Drawing...................................................................................12
8. Installation Manual ....................................................................................14
9. Operation Manual......................................................................................35
10.Accessories...............................................................................................49

10.1 Optional Accessories (For Unit) ................................................................. 49
10.2 Optional Accessories (For Control) ............................................................ 49

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Summary of Contents for VAM-GVJU

Page 1: ...EDUS711116 AMERICAS VAM GVJU Energy Recovery Ventilator ...

Page 2: ...ectric Characteristics 7 5 Sound Levels 8 5 1 Overall Sound Level 8 5 2 Sound Power Level 8 5 3 Octave Band Level 9 6 Performance Characteristics 11 7 Installation Drawing 12 8 Installation Manual 14 9 Operation Manual 35 10 Accessories 49 10 1 Optional Accessories For Unit 49 10 2 Optional Accessories For Control 49 ...

Page 3: ...wer consumption Heat exchange mode EX H W 307 776 859 1720 H W 274 672 725 1484 L W 146 545 575 1154 Bypass mode EX H W 307 776 859 1720 H W 274 672 725 1484 L W 146 545 575 1154 Casing Galvanized steel plate Insulation material Self extinguishing urethane foam Dimensions H W D in 12 1 16 34 5 8 31 1 2 15 1 4 43 11 16 32 3 4 15 1 4 43 11 16 47 13 16 30 7 8 63 3 4 47 13 16 Connection duct diameter ...

Page 4: ...EDUS711116 Dimensions VAM GVJU 3 2 Dimensions VAM300GVJU Unit in 3D073380 VAM470GVJU Unit in 3D073381 ...

Page 5: ...Dimensions EDUS711116 4 VAM GVJU VAM600GVJU Unit in 3D073382 VAM1200GVJU Unit in 3D073383 ...

Page 6: ...agrams VAM300GVJU VAM470GVJU VAM600GVJU 3D073269C GROUND IF USING THE CENTRAL REMOTE CONTROLLER CONNECT IT TO THE UNIT IN ACCORDANCE WITH THE ATTACHED MANUAL IF USING THE ADAPTER PCB CONNECT IT TO THE UNIT IN ACCORDANCE WITH THE ATTACHED MANUAL GROUND ...

Page 7: ...AM GVJU VAM1200GVJU 3D073270C GROUND GROUND IF USING THE CENTRAL REMOTE CONTROLLER CONNECT IT TO THE UNIT IN ACCORDANCE WITH THE ATTACHED MANUAL IF USING THE ADAPTER PCB CONNECT IT TO THE UNIT IN ACCORDANCE WITH THE ATTACHED MANUAL ...

Page 8: ...EDUS711116 Electric Characteristics VAM GVJU 7 4 Electric Characteristics 4D073384 ...

Page 9: ...he operating conditions reflected sound and peripheral noise 3 Operating sound varies depending on operating and ambient conditions 4 Ex H Extra high H High L Low dB A Power source Single phase 208V 60Hz Single phase 230V 60Hz Ventilation mode ERV mode Airflow rate Ex H H L Ex H H L Model name VAM300GVJU 34 5 31 5 21 5 37 0 33 5 25 5 VAM470GVJU 40 0 37 0 33 0 42 0 38 5 35 0 VAM600GVJU 40 1 37 0 33...

Page 10: ...EDUS711116 Sound Levels VAM GVJU 9 5 3 Octave Band Level 5 3 1 208V 208V 60Hz VAM300GVJU 4D073489 VAM470GVJU 4D073491 VAM600GVJU 4D073493 VAM1200GVJU 4D073495 ...

Page 11: ...Sound Levels EDUS711116 10 VAM GVJU 5 3 2 230V 230V 60Hz VAM300GVJU 4D073490 VAM470GVJU 4D073492 VAM600GVJU 4D073494 VAM1200GVJU 4D073496 ...

Page 12: ...EDUS711116 Performance Characteristics VAM GVJU 11 6 Performance Characteristics VAM300GVJU VAM470GVJU 4D073497 4D073498 VAM600GVJU VAM1200GVJU C 4D073499 C 4D073500 ...

Page 13: ...Installation Drawing EDUS711116 12 VAM GVJU 7 Installation Drawing VAM300GVJU Unit in 3D073389 VAM470GVJU Unit in 3D073390 ...

Page 14: ...EDUS711116 Installation Drawing VAM GVJU 13 VAM600GVJU Unit in 3D073391 VAM1200GVJU Unit in 3D073392 ...

Page 15: ... 2 40 11 16 34 3 4 6 16 15 16 9 1 4 6 6 7 16 9 11 16 10 3 8 VAM600GVJU 43 11 16 47 13 16 15 1 4 3 1 2 40 11 16 49 3 4 6 24 1 2 9 1 4 6 6 7 16 9 11 16 10 3 8 VAM1200GVJU 43 11 16 47 13 16 49 5 8 19 5 8 24 or more 6 10 1 4 10 11 10 11 9 12 3 2 5 7 8 7 8 6 1 4 3 2 5 4 2 13 14 15 26 or more 8 12 9 12 6 2 13 4 14 2 11 16 13 16 8 7 16 13 3 4 13 40 11 16 8 7 16 13 16 30 7 8 8 7 16 3 3 4 5 1 8 10 10 6 5 1...

Page 16: ...15 3P034928 7Q 100 or higher from the floor for installation in high places 4 φ10 18 18 6 1 18 1 18 13 12 14 9 11 9 2 15 15 16 11 1 7 8 VAM1200GVJU 2 3 11 17 10 9 4 φ14 100 or higher from the floor for installation in high places Floor 3 4 2 ...

Page 17: ...sories and parts for installa tion work Failure to use specified parts may result in water leakage electric shocks fire or the unit falling Install the unit on a foundation strong enough that it can withstand the weight of the unit A foundation of insufficient strength may result in the unit falling and causing injuries Take into account strong winds typhoons or earth quakes when installing Improp...

Page 18: ...ning Since totally preventing against infiltration by extremely small insects is difficult it is important to consider a serious solution like a filter box field supply during the design process to protect against insect infiltration 2 BEFORE INSTALLATION The accessories needed for installation must be retained in your custody until the installation work is completed Do not discard them 1 Decide u...

Page 19: ...e suspension bolts for installation Check whether the ceiling is strong enough to support the weight of the unit or not If there is a risk reinforce the ceiling before installing the unit Installation pitch is mentioned as follows Refer to it to check for points requiring reinforcing 4 PREPARATIONS BEFORE INSTALLATION 1 Confirm the positional relationship between the unit and suspension bolts Refe...

Page 20: ...d supply at the part of the air discharge outlet on the indoor side SA supply air to inside of the unit to counter the noise When selecting installation materials consider the required volume of airflow and noise level in that particular installation When the outdoor air infiltrates into the ceiling and the tem perature and humidity in the ceiling become high insulate the metal portions of the uni...

Page 21: ...nt inside the ceil ing 8 Insulate the duct and the wall electrically when a metal duct is to be penetrated through the metal lattice and wire lattice or metal lining of a wooden structure wall 9 Using flexible or silent ducts can be effective in reducing the air discharge sound of the supply air to inside SA Select materials keeping in mind the fan speed and operat ing sound of the unit Consult yo...

Page 22: ...to 16 air conditioners and the ERV can be controlled The ERV mode can be operated indepen dently when air conditioners are not being used Using the field setting of the remote control ler for air conditioners various settings such as pre cool pre heat reservation on off venti lation rate ventilation mode etc 10 2 1 Multi group 2 or more linked opera tion system Since all VRV units are connected to...

Page 23: ... or off the individual units The schedule timer and ON OFF controller can be used together However the Adapter PCB for remote control cannot be used with another centralized control device 10 3 2 Zone con trol system Use of the centralized controller enables zone control via the cen tralized control line maximum of 64 zones The centralized controller dis plays the Filter indication and abnormality...

Page 24: ...NS WHEN LAYING POWER SUPPLY WIRING PRECAUTION 1 A circuit breaker capable of shutting down power supply to the entire system must be installed 2 A single switch can be used to supply power to units on the same system However branch switches and branch cir cuit breakers must be selected carefully 3 Fit the power supply wiring of each unit with a disconnect switch as shown in the drawing below 4 Be ...

Page 25: ...and other devices connected with the units OPENING THE CONTROL BOX 1 Remove the screws fixing the cover and open the control box as shown below 2 Secure the power supply wiring and the transmission wir ing with the clamp as shown in 8 2 VAM300GVJU VAM470GVJU VAM600GVJU VAM1200GVJU COMPLETE SYSTEM EXAMPLE VRV Outdoor unit VRV Indoor unit VRV Indoor unit 1 1 2 2 2 2 ERV 2 4 4 2 3 3 ERV Power supply ...

Page 26: ...rol box Ground wire Power supply wiring Clamp accessory Clamp accessory For power supply and ground wiring Wiring through hole Clamp accessory For transmission wiring Clamp accessory Printed circuit board Wiring For transmission wiring Factory setting Remote control Centralized No volt external input Do not change the switch setting SS1 is a switch for setting the remote control Changing the setti...

Page 27: ... it so that it comes through the cut out section of the cup washer An improper ground connection may prevent a good ground from being achieved 4 Be sure to connect the remote control wiring and the trans mission wiring to the terminals on the X2M terminal block PRECAUTIONS Refer to the Remote Controller Installation Manual on how to install and lay the wiring for the remote controller Do not under...

Page 28: ...ing the procedure described in the 8 2 OPENING THE CONTROL BOX section 2 Remove the screws and install the adapter PCB 3 After wiring fasten the control box cover The adapter circuit board KRP50 2 can be installed on the inner right hand side of the control box The attachment box optional accessory is not required 1 Fixing board 3 Fixing screw 2 PCB support 4 Cover Attached to adapter PCB 5 Contro...

Page 29: ...ting changes are completed press Cancel button twice 9 10 Backlight goes out and Checking the connection Please stand by is displayed for initialization After the initialization the basic screen returns In the case of individual setting per unit current set tings are displayed And SECOND CODE NO means no function In case of setting for all units in the remote control group available SECOND CODE NO...

Page 30: ...after other air condition ers operating together with the unit have been stopped Off 2 hours 4 hours 6 hours 8 hours 2 Pre cool pre heat on off setting Off On 3 Pre cool pre heat time setting 30 min 45 min 60 min 4 Fan speed initial setting Normal Extra high 5 Yes No setting for direct duct con nection with VRV system No duct Airflow setting With duct fan off Setting for cold areas Fan opera tion ...

Page 31: ...o 1640 ft Pre cool pre heat function When the pre cool pre heat function is set the ERV unit will be turned on at the preset time 30 45 or 60 minutes after the VRV system air conditioner begins cooling or heating opera tion The function is set OFF at the factory Therefore to use this function the initial setting must be made using the remote controller If the air conditioner is re started within t...

Page 32: ...rol ler to make the initial settings 1 Remote controller 2 Transmission wiring can be extended up to 3280 ft 3 Optional adapter PCB KRP4A72 Procedure 1 Remote controller 1 Turn on the power supply 2 Make the remote controller settings Set the centralized zone interlock setting to ON Mode No 17 FIRST CODE NO 8 and SECOND CODE NO 02 3 Turn off the power supply 4 Disconnect the remote controller Now ...

Page 33: ...1 and ON OFF controller The setting is now complete For the ventilation airflow setting follow the procedure described in the 10 3 1 section 10 3 3 Zone control system A maximum of 64 air conditioners and ERV units can be connected to the F1 and F2 terminals The ERV units will turn on and off in according with the zone operation command from the centralized controller Zone 2 The ERV units operate ...

Page 34: ...w load contact point must be used Functions The unit performs overcharged operation to prevent back flow of odor Necessary parts Operation contact of exhaust ventilating fan field supply Example of control wiring 1 Transmission wiring can be extended up to 160 ft 2 Field supply 3 PC board System description 1 Local ventilating fan 2 Power supply 10 4 3 External Damper Operation FIELD SUPPLY Explan...

Page 35: ... load in the morning when the air conditioner is turned on by ventilating rooms which contain office equipment which raises the room temperature Nighttime free cooling only works during cooling and when connected to VRV system Nighttime free cooling is set to off in the factory setting so request your dealer to turn it on if you intend to use it Operation image a Outdoor temperature b Indoor tempe...

Page 36: ...EDUS711116 Operation Manual VAM GVJU 35 9 Operation Manual 3P034927 7M MODELS VAM300GVJU VAM470GVJU VAM600GVJU 1 1 ...

Page 37: ... taken in from outdoors changes the outside air to the same condition as indoors and then brings it indoors Sometimes when first using the unit the smell of the heat exchanger core may be noticeable but it is not harmful The smell will gradually go away as the unit is used Important 17 SA Supply air Supply air to inside 15 Service space for the air filter the heat exchanger core and control box 14...

Page 38: ...L VAM1200GVJU MODELS VAM300GVJU 600GVJU MODEL VAM1200GVJU Independent system Centralized system ERV unit Remote controller Centralized controller ERV unit Remote controller Remote controller Indoor unit ERV unit Interlocking system with VRV or SkyAir system Remote controller 2 3 4 3 ...

Page 39: ...Operation Manual EDUS711116 38 VAM GVJU 3P034927 7M 5 6 7 4 ...

Page 40: ...in that are specifically designed for use with the equipment and have them installed by a professional Contact your dealer to move and reinstall the unit Incomplete installation may result in water leakage elec tric shock and fire Never let the unit or the remote controller get wet Water can cause an electric shock or a fire Never use flammable spray such as hair spray lacquer or paint near the un...

Page 41: ...e Do not allow exhaust air to enter the outdoor air intake vent This may cause the interior of the room to become con taminated and harming the health NOTE Never press the button of the remote controller with a hard pointed object The remote controller may be damaged Never pull or twist the electric wire of the remote control ler It may cause the unit to malfunction Do not place appliances that pr...

Page 42: ...ontroller otherwise damage may result 1 Operation mode selector button Press this button to select the operation mode of your preference Available modes vary with the indoor unit model 2 Fan speed control button Press this button to select the fan speed of your prefer ence Available fan speeds vary with the indoor unit model 3 Menu OK button Used to indicate the main menu For details refer to the ...

Page 43: ...nd by for Defrost Hot start If ventilation icon is displayed in this field Indicates that the energy recovery ventilator is con nected Set to Cool Heat 74F 70F Auto This function is not available Standard display example 6 Ventilation 2 Fan Speed 1 Operation mode 11 Setback 7 display 3 Setpoint display 4 Stand by for Defrost Hot start 5 Message 10 Changeover controlled by the master indoor unit 9 ...

Page 44: ... Clock Calendar 14 Detailed selection Displayed if the detailed display item is selected Detailed items are not selected by default 15 display Displayed when the clock needs to be set The schedule function will not work unless the clock is set 2 3 Explanation for SYSTEMS This unit can be made a part of two different systems as part of an interlocking system together with VRV or SkyAir system and a...

Page 45: ...s Only modes that can be set are displayed Selecting and confirming the desired ventilation rate will take you back to the basic screen Pressing the Cancel button takes you back to the previous screen without changing the ventilation rate 1 Setting Ventilation Ventilation Rate Ventilation Mode 2 Setting Ventilation Rate Ventilation High 3 Operation Display the ventilation screen See page 5 Press b...

Page 46: ... Indicates that the temperature setpoint and setback temperature setpoint for this time period is not speci fied The last active setpoint will be utilized Up to five actions can be set for each day OFF TIMER Settings Possible to set in 10 minute increments from 30 to 180 min utes 3 3 NIGHTTIME FREE COOLING OPERATION AUTOMATIC HEAT PURGE FUNCTION AT NIGHT The nighttime free cooling is an energy sav...

Page 47: ...o fire as doing so may result in burning Do not use gasoline thinner or other organic solvents This may cause discoloration or deformation 4 Fix the air filter If the air filter is washed remove water completely and allow to dry for 20 to 30 minutes in the shade When dried completely install the air filter back in place Refer to figure 6 NOTE Be sure to install the air filter after servicing Missi...

Page 48: ...You can make a simple check such as below way To check the airflow hold a bar of which the end has a string or other similar lightweight item over the supply grille and exhaust grille 5 TROUBLE SHOOTING 5 1 THE FOLLOWING SITUATIONS ARE NOT MALFUNCTIONS The unit does not start running Symptom The icon is displayed on the remote controller and pressing the on off button causes the display to blink f...

Page 49: ...the sound a Check if the air filter and heat exchanger core are not installed Install the air filter and heat exchanger core 6 AFTER SALES SERVICE WARNING Do not modify the unit This may cause electric shock or fire Do not disassemble or repair the unit This may cause electric shock or fire Contact your dealer Do not remove or reinstall the unit by yourself Incomplete installation may cause a wate...

Page 50: ...JU VAM600GVJU VAM1200GVJU Auxiliary Component Air Filter for Replacement KAF241G50M KAF241G80M KAF241G100M KAF241G100M 2 Applicable Model Option VAM300GVJU VAM470GVJU VAM600GVJU VAM1200GVJU Control Device Remote Controller BRC1E71 Centralized Control Device Central Remote Controller DCS302C71 Unified ON OFF Controller DCS301C71 Schedule Timer DST301BA61 PC Board Adaptor Group Control Adaptor PCB K...

Page 51: ...Accessories EDUS711116 50 VAM GVJU ...

Page 52: ...this product conforms tot he applicable standards and is suitable for use in the region where the product will be used This statement does not purport to exclude restrict or modify the application of any local legislation Ask a qualified installer or contractor to install this product Do not try to install the product yourself Improper installation can result in water or refrigerant leakage electr...

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