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Summary of Contents for Chiller GRAND Vari
- Page 1 GRAND Vari & Vari Pro Installation, Operation, and Maintenance Manual N02119031 Rev. A...
- Page 2 GRAND Vari & Vari Pro – Installation, Operation, and Maintenance Manual Chiller Oy will not assume responsibility for any errors or shortcomings that may appear in this document. The end user is responsible for ensuring that the unit operates appropriately and safely. Working with electric components is subject to permission.
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Page 3: Table Of Contents
N02119031 Rev. A GRAND Vari & Vari Pro – Installation, Operation, and Maintenance Manual Contents 1 General ......................4 About this manual ..................4 Guarantee....................4 Inspection of the unit .................4 Related documentation ................5 2 Safety .......................6 General safety instructions ................6 Safety-related signs ..................6 Safety symbols ..................6... -
Page 4: General
Keep the manual for later reference. Guarantee The guarantee for this unit is based on Chiller Oy’s terms of guarantee. The guarantee becomes void, if: • the product is modified or repaired without a written consent from Chiller Oy •... -
Page 5: Related Documentation
N02119031 Rev. A GRAND Vari & Vari Pro – Installation, Operation, and Maintenance Manual in a separate package for mounting onto the lower surface of the lowered ceiling after installation. When you receive the unit: 1. Inspect the delivery against the order. -
Page 6: Safety
N02119031 Rev. A GRAND Vari & Vari Pro – Installation, Operation, and Maintenance Manual Safety General safety instructions This unit is designed so that it does not expose people to hazard or risk, provided that: • The unit is installed, operated, and maintained according to the instructions in this manual. - Page 7 N02119031 Rev. A GRAND Vari & Vari Pro – Installation, Operation, and Maintenance Manual Prohibited action symbols These symbols are used in warnings and notifications to indicate an action that should not be taken. The prohibited action symbols are shown below.
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Page 8: Unit Overview
N02119031 Rev. A GRAND Vari & Vari Pro – Installation, Operation, and Maintenance Manual Unit overview Introduction of the unit The Grand fan coil unit is designed for room air conditioning, and it is equipped with a fresh air connection. The unit is available in two sizes, Grand 70 and Grand 100. -
Page 9: Unit Dimensions
Section 4.4 Mounting the unit. Unit dimensions The unit comes in two sizes, Grand 70 and Grand 100. Note! The unit dimensions are given as reference. Chiller Oy reserves the right to make changes to them. Check the actual dimensions from the order documentation. -
Page 10: Type Plate
N02119031 Rev. A GRAND Vari & Vari Pro – Installation, Operation, and Maintenance Manual Figure 4: Main dimensions of Grand 100 Type plate One type plate is located in the inlet opening and another one is located next to the electrical box in the rear of the unit. The type plate in the inlet opening is visible when you remove the intake grille and filter. -
Page 11: Automation Options And Control Connections
N02119031 Rev. A GRAND Vari & Vari Pro – Installation, Operation, and Maintenance Manual The type plate specifies the following information about the unit: TYPE Unit type Including accessories (18 characters consisting of letters and numbers) SER.NR. Unit serial number... -
Page 12: Vari-Option
N02119031 Rev. A GRAND Vari & Vari Pro – Installation, Operation, and Maintenance Manual 3.4.1 Vari-option The automation option Vari has the following properties: • Analogue control (0-10 V and 24 V AC/DC for on/off on all inputs) • Suitable for analogue control from building automation or traditional room controller •... -
Page 13: Vari Pro-Option
N02119031 Rev. A GRAND Vari & Vari Pro – Installation, Operation, and Maintenance Manual 3.4.2 Vari Pro-option The automation option Vari Pro has the following properties: • Control with the Vari Pro graphical room controller or directly by Modbus RTU from building management system •... -
Page 14: Installation Of The Unit
N02119031 Rev. A GRAND Vari & Vari Pro – Installation, Operation, and Maintenance Manual Installation of the unit General installation instructions CAUTION Only professionally skilled and qualified personnel can install the unit. Note! Always follow local safety regulations when you install, operate, and maintain the unit. - Page 15 N02119031 Rev. A GRAND Vari & Vari Pro – Installation, Operation, and Maintenance Manual Figure 10: Service area requirements Note! Always take local safety regulations and installation requirements into account when choosing the installation site and before starting the installation.
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Page 16: Removing The Air Duct Collar
N02119031 Rev. A GRAND Vari & Vari Pro – Installation, Operation, and Maintenance Manual Figure 11: Dimensions for installation, front view Figure 12: Dimensions for installation, side view See the accurate dimensions for the openings from Figure 13: Dimensions for the installation openings. -
Page 17: Mounting The Unit
N02119031 Rev. A GRAND Vari & Vari Pro – Installation, Operation, and Maintenance Manual 1. Open the screws of the air duct collar. 2. Remove the collar. Mounting the unit The unit is mounted on the ceiling from four (4) mounting points. The mounting points are integrated in the unit frame. - Page 18 N02119031 Rev. A GRAND Vari & Vari Pro – Installation, Operation, and Maintenance Manual 1. Install the unit to the ceiling from the four (4) mounting points. 2. Use supports to mount the unit to the ceiling. Make sure that you use supports that are suitable for the installation site and the ceiling material.
- Page 19 N02119031 Rev. A GRAND Vari & Vari Pro – Installation, Operation, and Maintenance Manual 4. After you have mounted the unit to the ceiling, use a spirit level to make sure that the unit is horizontally leveled. CAUTION The unit must be leveled. If the unit is not leveled properly, the condensation water will run in a wrong way and this can damage the unit or surroundings.
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Page 20: Attaching The Water Connections
N02119031 Rev. A GRAND Vari & Vari Pro – Installation, Operation, and Maintenance Manual Attaching the water connections The unit is intended to be connected to a cooling and/or heating water circulation that cannot damage the heat exchanger. More detailed information on water connections are specified separately for each order, depending on the accessories selected. -
Page 21: Installing Sewerage For Condensation Water
N02119031 Rev. A GRAND Vari & Vari Pro – Installation, Operation, and Maintenance Manual 3. Use flat seal connectors when you attach the water connections. Make sure that the connector material is suitable for the connector type. Incorrect connector materials can damage the connection sets in the unit. -
Page 22: Sewerage With Condensation Water Pump (Option)
N02119031 Rev. A GRAND Vari & Vari Pro – Installation, Operation, and Maintenance Manual 2. you attach the pipe for the condensation water properly and the pipe is the correct size. WARNING Do not use excessive force when connecting free drainage outlet as this can damage the unit and cause leakage. - Page 23 N02119031 Rev. A GRAND Vari & Vari Pro – Installation, Operation, and Maintenance Manual Figure 14: Overview of sewerage with condensation water pump 1. Drain trap 2. Unit 3. Condensation water hose 4. Drain connection (must be accessible through a maintenance hatch) 5.
- Page 24 N02119031 Rev. A GRAND Vari & Vari Pro – Installation, Operation, and Maintenance Manual • the minimum radius of the hose is sufficient. • the rise for the condensation water pump is max. 500 mm. • you connect the unit to the sewerage with a stiff pipe (such as Cu or PVC).
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Page 25: Attaching The Electrical Connections
N02119031 Rev. A GRAND Vari & Vari Pro – Installation, Operation, and Maintenance Manual Note! Do not extend the condensation water hose with another hose. Connection to sewerage: 1. Pull the unit's condensate hose through the drainage adaptor to desired length. -
Page 26: Installing The External Drain Pan
N02119031 Rev. A GRAND Vari & Vari Pro – Installation, Operation, and Maintenance Manual CAUTION When connecting the unit to the circuit, make sure that the connection is done in accordance with local laws and decrees. Note! The unit is available with Vari or Vari Pro equipment. The unit is delivered with model-specific electric diagrams that must be used when doing the electrical connections. -
Page 27: Installing The Fresh Air Connection
N02119031 Rev. A GRAND Vari & Vari Pro – Installation, Operation, and Maintenance Manual Installing the fresh air connection The fresh air connection is located at the back of the unit. Its diameter is 125 mm. 1. Install the fresh air connection by attaching it to the unit. If you do not use the fresh air connection, leave the blanking cap on the connection. -
Page 28: Testing The Condensation Water Pump
N02119031 Rev. A GRAND Vari & Vari Pro – Installation, Operation, and Maintenance Manual 2. Attach the air duct collar. 3. Install the grille. 4.11 Testing the condensation water pump CAUTION Risk of water damage. You must test the condensation water pump after you have installed the unit. - Page 29 N02119031 Rev. A GRAND Vari & Vari Pro – Installation, Operation, and Maintenance Manual 1. To test the condensation water pump, pour approximately 2 liters of water into the external drain pan. 2. After you have poured the water into the basin, make sure that a.
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Page 30: Operation Of The Unit
N02119031 Rev. A GRAND Vari & Vari Pro – Installation, Operation, and Maintenance Manual Operation of the unit Controlling the unit The fan motor of the unit is equipped with a modern EC (electronically commuted) motor. The fan motor is controlled with voltage messages of 0–10 VDC. -
Page 31: Maintenance Of The Unit
N02119031 Rev. A GRAND Vari & Vari Pro – Installation, Operation, and Maintenance Manual Maintenance of the unit Maintenance schedule WARNING If you detect water leakage during unit operation, shut down the unit and contact maintenance. For the unit to function properly, you must do the maintenance procedures regularly. -
Page 32: Removing The Filter
N02119031 Rev. A GRAND Vari & Vari Pro – Installation, Operation, and Maintenance Manual 1. Open the grille. 2. Clean the grille with a clean, damp cloth. Note! Do not use detergents or solvents that can damage the grille. 3. Close the grille. -
Page 33: Cleaning And Replacing The Filter
N02119031 Rev. A GRAND Vari & Vari Pro – Installation, Operation, and Maintenance Manual 3. Once you have done the maintenance work for the filter and attached it back to the unit, close the grille. Note! Make sure that you close the grille properly. -
Page 34: Opening The Maintenance Hatch
N02119031 Rev. A GRAND Vari & Vari Pro – Installation, Operation, and Maintenance Manual 4. If the filter is still dirty after you have vacuumed it, clean the filter by rinsing it with lukewarm water. 5. Before you reattach the filter to the unit, make sure that it is dry. -
Page 35: Cleaning The Condensation Water Basin
N02119031 Rev. A GRAND Vari & Vari Pro – Installation, Operation, and Maintenance Manual 2. Remove the maintenance hatch. Cleaning the condensation water basin WARNING Electrocution hazard. Before you do any maintenance work on the unit, make sure that the unit is disconnected from the circuit and that it is de-energized. - Page 36 N02119031 Rev. A GRAND Vari & Vari Pro – Installation, Operation, and Maintenance Manual 3. Press on the clips on the condensation water basin. 4. Remove the condensation water basin. 5. Clean the condensation water basin with a clean, damp cloth.
- Page 37 N02119031 Rev. A GRAND Vari & Vari Pro – Installation, Operation, and Maintenance Manual 6. Before you reattach the condensation water basin to the unit, make sure that it is dry. 7. Attach the basin. Make sure that the basin is properly attached and in its place.
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Page 38: Appendix A: Vari-Option Control Connections
N02119031 Rev. A GRAND Vari & Vari Pro – Installation, Operation, and Maintenance Manual APPENDIX A: Vari-option control connections Table 2: Vari-option control connections Connector Function Technical description 230 V AC/line Fuse on card, max. 5 A 230 V AC/neutral... - Page 39 N02119031 Rev. A GRAND Vari & Vari Pro – Installation, Operation, and Maintenance Manual Connector Function Technical description HEAT OUT 0–10 V 0–10 V valve output for heating Follows H-input actuator Same as in connector C1 Same as in connector C1...
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Page 40: Appendix B: Register Listing For Vari Pro-Option
N02119031 Rev. A GRAND Vari & Vari Pro – Installation, Operation, and Maintenance Manual APPENDIX B: Register listing for Vari Pro-option Note! Observe proper delays when communicating over Modbus. Use at least 200 ms polling delay. If you observe bus errors, increase the delay until there are no errors. - Page 41 N02119031 Rev. A GRAND Vari & Vari Pro – Installation, Operation, and Maintenance Manual Vari Pro FCU Controller Card Register Map v 1.4 Modbus RTU RS485 38400, 8N1 Description Read/ Min. Max. Unit Note(s) Write 3x00013 Heating output 1000 xx10mV...
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Page 42: Appendix C: Register Listing For Unit With Vari Pro Room Controller
N02119031 Rev. A GRAND Vari & Vari Pro – Installation, Operation, and Maintenance Manual APPENDIX C: Register listing for unit with Vari Pro room controller When controlling fan coil with the room controller, use the following register map. Table 4: Register listing for unit with Vari Pro room controller Vari Pro User Interface Register Map v 1.4... - Page 43 N02119031 Rev. A GRAND Vari & Vari Pro – Installation, Operation, and Maintenance Manual Vari Pro User Interface Register Map v 1.4 Modbus RTU RS485 Baudrate: 9k6, 19k2, 38k4 Parity: None, odd, even Description Read/ Min. Max. Unit Note(s) Write 3x00103 Alarm “Unit 1”...
- Page 45 04300 Tuusula Tel. +358 40 662 0601 Chiller Lahti Norway Estonia info@chiller.fi Rajavartijankatu 9 Chiller Oy 15170 Lahti Tel. +372 506 2986 Chiller Norge AS, Oslo Tel. +358 3 876 470 ain.kuus@chiller.fi Tel. +47 2207 2940 lahti@chiller.fi salg@chillernorge.no www.chillernorge.no...
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