Chiller BLOCK Vari Installation, Operation And Maintenance Manual
  1. Manuals
  2. Brands
  3. Chiller Manuals
  4. Fan
  5. BLOCK Vari
  6. Installation, operation and maintenance manual

Chiller BLOCK Vari Installation, Operation And Maintenance Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
BLOCK
Vari & Vari Pro
Installation, Operation, and
Maintenance Manual
EN
N03229971 Rev. B

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the BLOCK Vari and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for Chiller BLOCK Vari

Summary of Contents for Chiller BLOCK Vari

  • Page 1 BLOCK Vari & Vari Pro Installation, Operation, and Maintenance Manual N03229971 Rev. B...
  • Page 2 BLOCK 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.

  • Page 3: Table Of Contents

    N03229971 Rev. B BLOCK Vari & Vari Pro – Installation, Operation and Maintenance Manual Contents 1 General ......................5 About this manual ..................5 Guarantee....................5 Inspection of the unit .................5 Related documentation ................6 2 Unit overview ....................7 Introduction of the unit................7 Unit dimensions ..................9 Type plate ....................12...
  • Page 4 N03229971 Rev. B BLOCK Vari & Vari Pro – Installation, Operation and Maintenance Manual APPENDIX B: Register listing for Vari Pro-option ..........57 APPENDIX C: Register listing for unit with Vari Pro room controller....59 4 (62) Copyright © 2023. All rights reserved.

  • Page 5: General

    Keep the manual for later reference. Guarantee The guarantee for this unit is based on the terms of guarantee of Chiller Oy. The guarantee becomes void if: • The product is modified or repaired without a written consent from Chiller Oy.

  • Page 6: Related Documentation

    N03229971 Rev. B BLOCK 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 7: Unit Overview

    N03229971 Rev. B BLOCK Vari & Vari Pro – Installation, Operation and Maintenance Manual Unit overview Introduction of the unit The BLOCK fan coil unit is designed for room air conditioning. BLOCK is available in three different variants: BLOCK front, BLOCK free, and BLOCK duct.
  • Page 8 N03229971 Rev. B BLOCK Vari & Vari Pro – Installation, Operation and Maintenance Manual Figure 2: BLOCK free (horizontal & vertical installation) 1. Pressure-air duct and grille 4. Free drain outlet, sewerage (option) 2. Coil, water connections 5. Electrical box 3.

  • Page 9: Unit Dimensions

    The unit comes in three variants: BLOCK front, BLOCK free, and BLOCK duct. Note! The unit dimensions are given as a reference. Chiller Oy reserves the right to make changes to the dimensions. For more detailed dimensions, see the unit-specific dimensional drawings.
  • Page 10 N03229971 Rev. B BLOCK Vari & Vari Pro – Installation, Operation and Maintenance Manual Figure 4: Unit dimensions of BLOCK front 1. 1,049 mm 3. 738 mm 2. 300 mm Figure 5: Unit dimensions of BLOCK free (horizontal installation) 1. 1,020 mm 3.
  • Page 11 N03229971 Rev. B BLOCK Vari & Vari Pro – Installation, Operation and Maintenance Manual Figure 6: Unit dimensions of BLOCK free (vertical installation) 1. 232 mm 3. 950 mm 2. 692 mm Figure 7: Unit dimensions of BLOCK duct (return air from the back) 1.

  • Page 12: Type Plate

    N03229971 Rev. B BLOCK Vari & Vari Pro – Installation, Operation and Maintenance Manual Figure 8: Unit dimensions of BLOCK duct (return air from the bottom) 1. 789 mm 3. 1,020 mm 2. 280 mm Type plate One type plate is located above the outlet opening and another one is located on the electrical box cover.

  • Page 13: Automation Options And Control Connections

    N03229971 Rev. B BLOCK Vari & Vari Pro – Installation, Operation and Maintenance Manual Table 1: Type plate information TYPE Unit type Including accessories (18 characters consisting of letters and numbers) SER.NR. Unit serial number Seven (7) number combination POWER...

  • Page 14: Vari Pro-Option

    N03229971 Rev. B BLOCK Vari & Vari Pro – Installation, Operation and Maintenance Manual • Potential free alarm contact, open in alarm or when unit not powered • No additional sensor inputs or control outputs. See Appendix A Vari-option control connections for further details.
  • Page 15 N03229971 Rev. B BLOCK Vari & Vari Pro – Installation, Operation and Maintenance Manual See Appendix B Register listing for Vari Pro-option for further details. Figure 13: Vari Pro control card Figure 14: Vari Pro wiring instructions on the electrical box cover 15 (62) Copyright ©...

  • Page 16: Safety

    N03229971 Rev. B BLOCK 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 17 N03229971 Rev. B BLOCK 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.

  • Page 18: Installation Of The Unit

    N03229971 Rev. B BLOCK 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 19: Choosing The Installation Site

    N03229971 Rev. B BLOCK Vari & Vari Pro – Installation, Operation and Maintenance Manual Choosing the installation site When the unit is installed, there must be enough service room to access the pipe fittings and electrical connections. Note! See the unit-specific dimensional drawings for further service room requirements.
  • Page 20 N03229971 Rev. B BLOCK Vari & Vari Pro – Installation, Operation and Maintenance Manual Figure 16: Maintenance area requirements for BLOCK free (vertical installation) 1. 1,150 mm 3. 730 mm 2. 820 mm 4. 300 mm Figure 17: Maintenance area requirements for BLOCK free (horizontal installation) and BLOCK duct 1.

  • Page 21: Mounting The Unit (Block Front)

    N03229971 Rev. B BLOCK Vari & Vari Pro – Installation, Operation and Maintenance Manual • The unit must not be installed above any other units or equipment. • The unit must not be installed in a room that has flammable or explosive...
  • Page 22 N03229971 Rev. B BLOCK Vari & Vari Pro – Installation, Operation and Maintenance Manual 1. Attach the M8 threaded bars according to the dimensional drawing. a. Secure the joint between the threaded bar and the support with locknuts and washers.
  • Page 23 N03229971 Rev. B BLOCK Vari & Vari Pro – Installation, Operation and Maintenance Manual 2. Place the installation frame into position. Make sure that the slide rails of the installation frame are pushed in all the way. a. Set the right side of the installation frame to the right side of the installation hole.
  • Page 24 N03229971 Rev. B BLOCK Vari & Vari Pro – Installation, Operation and Maintenance Manual 3. The unit must be leveled. If it is necessary, adjust the width (W), depth (D) and height (H) of the installation with the related bolts.
  • Page 25 N03229971 Rev. B BLOCK Vari & Vari Pro – Installation, Operation and Maintenance Manual 5. Lift the unit with another person and put the unit on top of the drywall panel lift or a similar hoisting aid. Lift the unit with the hoisting aid so that you can put the unit on top of the front edge of the installation frame.
  • Page 26 N03229971 Rev. B BLOCK Vari & Vari Pro – Installation, Operation and Maintenance Manual 8. Connect the electric quick connectors. Tie the wiring harness into the rear support leg with a cable tie. Push the unit all the way into the installation frame along the slide rails.

  • Page 27: Mounting The Unit (Block Free, Vertical Installation)

    N03229971 Rev. B BLOCK Vari & Vari Pro – Installation, Operation and Maintenance Manual 10. Turn the bleed valve counterclockwise to bleed the air. Turn the valve clockwise after the bleeding to close the valve. See Section 4.7 Bleeding the air and balancing the system for instructions.
  • Page 28 N03229971 Rev. B BLOCK Vari & Vari Pro – Installation, Operation and Maintenance Manual 1. Use M8 bolts or threaded bars to install the shelf. a. Secure the joint between the threaded bar and the support with locknuts and washers.
  • Page 29 N03229971 Rev. B BLOCK Vari & Vari Pro – Installation, Operation and Maintenance Manual 4. After you mount the unit to the wall, use a spirit level to make sure that the unit is horizontally leveled. CAUTION The unit must be level. If the unit is not leveled properly, the condensation water will run in a wrong way and this can damage the unit or surroundings.

  • Page 30: Mounting The Unit (Block Free & Block Duct, Horizontal Installation)

    N03229971 Rev. B BLOCK Vari & Vari Pro – Installation, Operation and Maintenance Manual Mounting the unit (BLOCK free & BLOCK duct, horizontal installation) The unit is mounted on the ceiling from four (4) mounting points. The mounting points are integrated in the unit frame.
  • Page 31 N03229971 Rev. B BLOCK Vari & Vari Pro – Installation, Operation and Maintenance Manual 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 32: Attaching The Water Connections

    N03229971 Rev. B BLOCK Vari & Vari Pro – Installation, Operation and Maintenance Manual 4. Install the accessories (control valves, shut-off valves etc.), if they are delivered as separate items. Note! Install pipework supports near the unit. 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.

  • Page 33: Bleeding The Air And Balancing The System

    N03229971 Rev. B BLOCK 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 34 N03229971 Rev. B BLOCK Vari & Vari Pro – Installation, Operation and Maintenance Manual Figure 18: Overview of sewerage with condensation water pump 1. Drain trap 5. Maintenance hatch (where applicable, see the unit-specific dimensional 2. Unit drawing) 3. Condensation water hose 6.
  • Page 35 N03229971 Rev. B BLOCK 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. 1,000 mm. • You connect the unit to the sewerage with a stiff pipe (such as Cu or PVC).

  • Page 36: Sewerage Without A Condensation Water Pump

    N03229971 Rev. B BLOCK Vari & Vari Pro – Installation, Operation and Maintenance Manual 2. Cut off any excess hose, leaving 30–50 mm inside the adaptor. 3. Connect the adaptor to the fixed condensation pipe. Note! You can connect the drainage adaptor to a ∅ 22 mm (outer diameter) copper pipe or to a ∅...

  • Page 37: Attaching The Electrical Connections

    N03229971 Rev. B BLOCK 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 too much force when you connect the free drainage outlet as this can damage the unit and cause leakage.
  • Page 38 N03229971 Rev. B BLOCK Vari & Vari Pro – Installation, Operation and Maintenance Manual DANGER BLOCK front: If the electrical connections are made to the installation base before the unit is installed, the electrical contractor must leave the mains power disconnected until the unit installation is complete.

  • Page 39: Installing The Pressure Air Duct (Block Free & Block Duct)

    N03229971 Rev. B BLOCK Vari & Vari Pro – Installation, Operation and Maintenance Manual Figure 20: Electrical box, BLOCK free & BLOCK duct DANGER Electrocution hazard. Danger of severe injury or death. BLOCK free & BLOCK duct: Disconnect the mains power before you connect or disconnect the internal wiring harness.
  • Page 40 N03229971 Rev. B BLOCK Vari & Vari Pro – Installation, Operation and Maintenance Manual 1. The pressure air duct is delivered assembled. Remove the room-facing telescopic duct piece before installation. 2. Attach the telescopic duct on the collar of the pressure air duct.

  • Page 41: Installing The Suction Duct (Option)

    N03229971 Rev. B BLOCK Vari & Vari Pro – Installation, Operation and Maintenance Manual 4. Attach the grille. 5. If you have a unit with the optional fresh air connection, attach the duct. CAUTION Obey national regulations regarding the noise absorption of supply air.
  • Page 42 N03229971 Rev. B BLOCK Vari & Vari Pro – Installation, Operation and Maintenance Manual 1. Adjust the telescopic duct on the collar of the suction duct. a. Attach the telescopic duct with 4 screws. b. Cover the adjustment holes next to the screws with duct tape.

  • Page 43: Testing The Condensation Water Pump

    N03229971 Rev. B BLOCK Vari & Vari Pro – Installation, Operation and Maintenance Manual 3. Attach the grille. 4.12 Testing the condensation water pump CAUTION Risk of water damage. You must test the condensation water pump after you install the unit.
  • Page 44 N03229971 Rev. B BLOCK Vari & Vari Pro – Installation, Operation and Maintenance Manual 2. After you have poured the water into the basin, make sure that: a. The condensation water pump starts b. The pump moves the water to the condensation sewerage c.

  • Page 45: Operation Of The Unit

    N03229971 Rev. B BLOCK 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 46: Maintenance Of The Unit

    N03229971 Rev. B BLOCK 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 47: Replacing The Filter Of The Unit

    N03229971 Rev. B BLOCK 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. Attach the grille on the unit.

  • Page 48: Replacing The Filter (Block Free, Horizontal Installation)

    N03229971 Rev. B BLOCK Vari & Vari Pro – Installation, Operation and Maintenance Manual 1. Open the grille. 2. Replace the filter with a new filter. 3. Close the grille. Note! Make sure that you close the grille properly. 6.3.2...

  • Page 49: Replacing The Filter (Block Free, Vertical Installation)

    N03229971 Rev. B BLOCK Vari & Vari Pro – Installation, Operation and Maintenance Manual 1. To remove the filter, open the grille. 2. Replace the filter with a new filter. 3. Close the grille. 6.3.3 Replacing the filter (BLOCK free, vertical installation) WARNING Electrocution hazard.

  • Page 50: Replacing The Filter (Block Duct)

    N03229971 Rev. B BLOCK Vari & Vari Pro – Installation, Operation and Maintenance Manual 3. Attach a new filter. 4. Close the cover plate. 6.3.4 Replacing the filter (BLOCK duct) 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 51: Removing The Unit (Block Front)

    N03229971 Rev. B BLOCK Vari & Vari Pro – Installation, Operation and Maintenance Manual 2. Replace the filter with a new filter. 3. Close the grille. Note! Make sure that you close the grille properly. Removing the unit (BLOCK front)
  • Page 52 N03229971 Rev. B BLOCK Vari & Vari Pro – Installation, Operation and Maintenance Manual 5. After all the pressure comes out of the unit and no more liquid comes out of the bleed screw, continue to the next step. 6. Close the bleed screw.
  • Page 53 N03229971 Rev. B BLOCK Vari & Vari Pro – Installation, Operation and Maintenance Manual 12. Put the drywall panel lift, or a similar hoisting aid, against the bottom of the unit so that the hoisting aid supports the weight of the unit when you remove the unit.

  • Page 54: Cleaning The Condensation Water Basin

    N03229971 Rev. B BLOCK Vari & Vari Pro – Installation, Operation and Maintenance Manual 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 55: Appendix A: Vari-Option Control Connections

    N03229971 Rev. B BLOCK Vari & Vari Pro – Installation, Operation and Maintenance Manual APPENDIX A: Vari-option control connections Table 5: Vari-option control connections Connector Function Technical description 230 V AC/line Fuse on card, max. 5 A 230 V AC/neutral...
  • Page 56 N03229971 Rev. B BLOCK 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...
  • Page 57 N03229971 Rev. B BLOCK 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 58 N03229971 Rev. B BLOCK 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...
  • Page 59 N03229971 Rev. B BLOCK 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 7: Register listing for unit with Vari Pro room controller Vari Pro User Interface Register Map v 1.4...
  • Page 60 N03229971 Rev. B BLOCK 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 62 04300 Tuusula Tel. +358 40 662 0601 Chiller Lahti Estonia Norway 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...

This manual is also suitable for:

Block vari pro

Table of Contents