Related Manuals for Toshiba VN-U00151SY-E
Summary of Contents for Toshiba VN-U00151SY-E
- Page 1 HEAT RECOVERY VENTILATION UNIT Installation Manual For commercial use Concealed Microcomputer Control Type Model name: VN-U00151SY-E VN-U00251SY-E VN-U00351SY-E VN-U00501SY-E VN-U00651SY-E VN-U00801SY-E VN-U01001SY-E English...
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Page 2: Table Of Contents
• The qualified installer is a person who installs, maintains, relocates and removes the Heat recovery (*1) ventilation unit made by Toshiba Carrier Corporation. He or she has been trained to install, maintain, • System parts such as a wired remote controller (sold separately) are necessary for using this unit. - Page 3 Warning indications on the Heat recovery ventilation unit Definition of Protective Gear When the Heat recovery ventilation unit is to be transported, installed, maintained, repaired or removed, wear protective gloves and ‘safety’ work clothing. Warning indication Description In addition to such normal protective gear, wear the protective gear described below when undertaking the special work detailed in the table below.
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Page 4: Precautions For Safety
• Do not move or repair any unit by yourself. There is high voltage • If using separately sold products, make sure to use Toshiba specified inside the unit. You may get electric shock when removing the cover products only. Using unspecified products may cause fire, electric shock, water leak or other failure. - Page 5 • Do not place any combustion appliance in a place where it is directly • Connect earth wire. (Grounding work) exposed to the wind of Heat recovery ventilation unit, otherwise it may Incomplete earthing causes an electric shock. cause imperfect combustion. •...
- Page 6 – 5 – Test run Relocation • Before operating the Heat recovery ventilation unit after having • Only a qualified installer (*1) or qualified service person (*1) is completed the work, check that the electrical control cover and allowed to relocate the Heat recovery ventilation unit. It is dangerous inspection cover are closed, and set the circuit breaker to the ON for the Heat recovery ventilation unit to be relocated by an unqualified position.
- Page 7 • Install an earth leakage breaker that is not tripped by shock waves. CAUTION If an earth leakage breaker is not installed, an electric shock may be caused. • The external air intake opening should be positioned away from the •...
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Page 8: Accessory Parts
If not cleaned, they are likely to get clogged, resulting in degradation of performance. • Use forklift to carry in the Heat recovery ventilation units and use winch or hoist at installation of them. Inspection cover Fixing bracket ▼VN-U00151SY-E Filter (Two for each element) Unit: mm Heat exchange element... - Page 9 ▼VN-U00501SY-E, U00651SY-E ▼VN-U00801SY-E, U01001SY-E Unit: mm Unit: mm Heat exchange element (Two) Heat exchange element (Two) 1068 (Return Air) (Return Air) (Exhaust Air) (Exhaust Air) Outdoor side Indoor side Outdoor side Indoor side (Outdoor Air) (Supply Air) (Outdoor Air) (Supply Air) 168.5 119.2 119.2...
- Page 10 – 9 – • Helmet must be worn to protect your head from falling objects. • Calculation example from Psychrometric chart Especially, when you work under an inspection opening, helmet must be worn to protect your head from When the temperature exchange efficiency is 73.5% and the enthalpy efficiency is 60.5% falling objects from the opening.
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Page 11: Reference Diagram
Reference diagram • Refrain from the following duct installation works. 1) Excessive bending 2) Multi-times bending 3) Making the connecting duct 4) Bending near the exhaust air smaller duct Hanging bolt Pipe hood Outdoor air intake duct Supply air duct •... -
Page 12: Installation
– 11 – Installation Cautions installing unit body upside down • The hanging bracket does not need to be replaced. • The printed image is reversed. Attaching the washer and the Unit: mm • The EA adapter need to upside down. Standard installation 1) Preparation of the hanging bolt, nut, and washer is required. -
Page 13: Electrical Connection
Electrical connection Power supply wire and communication wires specifications Power supply wire and communication wires are locally procured. For the power supply specifications, follow to the table below. If capacity is little, it is dangerous because overheat WARNING or burnout may be caused. •... - Page 14 – 13 – <In the case of combining with outdoor units of Super Modular Multi System u series <In the case of combining with outdoor units other than Super Modular Multi System u series (SMMS-u)> (SMMS-u)> Follow the wiring specifications in the table below even when units other than U series are mixed in the indoor units (L2, L3) Control wiring between indoor units, and outdoor unit and remote controllers to be connected.
- Page 15 Remote controller wiring Wire connection • 2-core with non-polarity wire is used for the remote controller wiring and group remote controllers wiring. Remove the 2 screws and loosen the 2 screws on the front surface of the electric control cover to open the cover.
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Page 16: Installation Method For Each System Configuration
– 15 – Installation method for each system Power supply wire Central control wire Remote controller wire Earth wire configuration S(N) R(L) Settings and electric wiring differ depending on the system configuration. Perform electric wring according to the system examples shown in the table below. (Refer to page 20 to 23 for details.) REQUIREMENT System example Operation... - Page 17 System example Operation System example Operation Central control system • The central controller can be used to ON/OFF the whole Central control system • The central controller can be used to ON/OFF the whole system and separately ON/OFF groups of the Heat system.
- Page 18 – 17 – Heat recovery ventilation unit system linked Heat recovery ventilation unit system Central control system with Air conditioners System example Central control Only Heat recovery When controlling the air conditioner and the Heat When controlling the air conditioner and Heat None ventilation unit is used.
- Page 19 Changing the group address, indoor unit address, and central Address switch number Address switch number Address switch number Address switch number control address About the switches on the circuit board of the Heat recovery ventilation 65 — — — — — — 81 — — — — — ...
- Page 20 – 19 – Manual Indoor unit address setting using the remote controller DN setting (If you need to set using remote controller.) Detailed data of various models of air conditioner and Heat recovery ventilation unit can be set. Procedure when setting indoor units’...
- Page 21 Confirming the indoor unit addresses and the position of an Header/Follower indoor unit using the remote controller (Settings required to use 2 remote controllers to do operations) When using 2 remote controllers, you need to set “Header remote controller” and “Follower remote controller”. Checking and setting addreses In the “Initial setting”...
- Page 22 – 21 – Heat recovery ventilation unit system (Multiple Heat recovery ventilation units are used.) Heat recovery ventilation unit system linked with Air conditioners Heat recovery ventilation unit Heat recovery ventilation unit Heat recovery ventilation unit Power supply Earth Earth Earth Outdoor unit (U3)
- Page 23 Central control system (When controlling the Heat recovery ventilation unit only) Central control system (When controlling the air conditioner and the Heat recovery ventilation unit separately) For the settings of the central control address, refer to the Installation Manual of the central control device. For the settings of the central control address, refer to the Installation Manual of the central control device.
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Page 24: Advanced System
– 23 – Advanced system Central control system (When controlling the air conditioner and Heat recovery ventilation unit together) • For the settings of the central control address, refer to the Installation Manual of the central control device. WARNING • Do not perform the central control wiring with the Heat recovery ventilation unit. •... - Page 25 Color Color* Color Color* Adapter Adapter Connector Connector (Con- (Lead (Con- (Lead Function Note Function Note (sold separately) (sold separately) Code Data Code Data nector) wire) nector) wire) External ON/OFF control DC12 V (COM) Common for Pin.2 (Factory default) ON output * You can change pulse (ON) / ON when operation is ON 0000...
- Page 26 – 25 – How to connect the control adapter ON when indoor unit fan is ON. CN60: Operation status signal output COM (DC12 V) (From local supply parts) (On P.C. board MCC-1784) Diagram of local supply parts Note Locally procure relays and other Local supply Fan output devices suitable for DC12 V...
- Page 27 [Additional note for No.2] (Continued description of CN61 from the previous page) • This input can use for switching the remote controller between permission/prohibition. Diagram of local supply parts Note • During prohibition, “Central controlling mark” is shown on the LCD. Locally procure relays and other •...
- Page 28 – 27 – CN73: Demand control input CN610: Cold air detection output (On P.C. board MCC-1784) (On P.C. board MCC-1784) Diagram of local supply parts Note Diagram of local supply parts Note Local supply Locally procure relays and other Locally procure relays and other Local supply devices suitable for shorting devices suitable for DC12 V...
- Page 29 CN704: External output [Additional note for No.1] (On P.C. board MCC-1784) • This output can use for connecting an auxiliary fan or monitoring operation. • This output is linked with the “fan ON” state. (Not remote controller ON) Diagram of local supply parts Note •...
- Page 30 – 29 – CN705: External input [Additional note for No.1] (On P.C. board MCC-1784) • This input can use for switching the remote controller between permission/prohibition. • During prohibition, “Central controlling mark” is shown on the LCD. Diagram of local supply parts Note •...
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Page 31: Advanced Control
Advanced control CN706: External input (On P.C. board MCC-1784) Diagram of local supply parts Note REQUIREMENT Locally procure relays and other Local supply • When the unit is used for the first time, it takes a while for the remote controller to recognize operation input after the devices suitable for shorting power is turned on. - Page 32 – 31 – Codes (DN codes) for changing settings Code Description SET DATA and description Factory default Note Codes in the table below are necessary for local advanced control. Delayed operation 0000: Invalid 0000: Invalid Setting change is necessary for all the Heat 0001 - 0006: [Setting value] ×...
- Page 33 Code Description SET DATA and description Factory default Note Code Description SET DATA and description Factory default Note Changing the 0000: ON during normal operation 0000: ON during Setting change is “High” fan speed • If you want to use “High setting”, it must As shown in the •...
- Page 34 – 33 – Changing the time before the Filter Sign lights up Code Description SET DATA and description Factory default Note “High” fan speed air • If you want to use “High setting”, it must As shown in the •...
- Page 35 Setting of the Heat recovery ventilation unit single operation Setting of the unbalanced ventilation Fan speed (Setting for the header air conditioner) • SA / EA unbalanced operation of the Heat recovery ventilation unit is possible. • Setting change is necessary for all the Heat recovery ventilation unit in the group. •...
- Page 36 – 35 – Setting for operation of the exhausting fan below −20°C Ventilation Fan speed setting • Stops the exhausting fan when the outdoor temperature falls below −20°C. • The setting of the ventilation Fan speed can be changed when the remote controller for Air conditioners RBC-ASCU1* and RBC-AMTU3* or the system without the remote controller is used.
- Page 37 Abnormal signal / bypass mode signal output setting Adjust for Constant input power control • External output can be used to detect an abnormal signal / bypass mode signal output. Output signal to be • These setting are for “Constant input power control”. (for supply air and exhaust air fan motor power) detected can be selected.
- Page 38 – 37 – Adjust for Constant air volume control P-Q graph • These setting are for “Constant air volume control”. (for supply air and exhaust air) Use the graph below as a guide for adjusting the data. • This setting can keep the rated air volume even if the pressure loss varies depending on the duct. P-Q Curve •...
- Page 39 Remote controller switch monitoring function P-Q Curve * When friction coefficient of pipe (duct): λ = 0.02 This function is available to call the service monitor mode from the remote controller during a test run to acquire ▼650 m³/h ▼800 m³/h temperatures of sensors of indoor unit (Heat recovery ventilation unit).
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Page 40: Test Run
– 39 – Test run Maintenance Running the Heat recovery ventilation unit for a long period causes the filter or heat exchange element to become clogged with dust. If the filter or heat exchange element is clogged, the ventilation amount is reduced and ... - Page 41 Weight (kg) Clean the heat exchange elements once or twice a year.) NOTE VN-U00151SY-E Remove the dust on the surface of the heat Attach the filters. If this unit is used without them, the exchange element using a vacuum cleaner.
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Page 42: Troubleshooting
– 41 – Troubleshooting Check codes and parts to be checked Wired remote Judging controller Main defective parts Parts to be checked / trouble description Confirm and check device display No header remote Remote Incorrect remote controller setting --- The header remote controller controller controller has not been set (including two remote controllers). - Page 43 Wired remote Judging controller Main defective parts Parts to be checked / trouble description device display LAN communication Indoor Address setting, central control remote controller, network trouble adapter --- Duplication of address in central control communication. Indoor fan motor trouble Remote •...
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Page 44: Fan Characteristics
– 43 – Fan characteristics P-Q Curve * When friction coefficient of pipe (duct): λ = 0.02 ▼650 m³/h ▼800 m³/h P-Q Curve * When friction coefficient of pipe (duct): λ = 0.02 ▼150 m³/h ▼250 m³/h Extra High High Extra High 100 m 100 m... - Page 45 D0X7204301 (D0X7204101)