Summary of Contents for HiRef HTI-CW Series
- Page 1 HIGH TECHNOLOGY REFRIGERATION DEVICES H T I - CW Packaged Air Conditioning Unit HTI_CW Chilled water unit Users Manual HF61G00269SB HTI-0-UM-GB_CW Rev. 20-05-2015...
- Page 2 HIGH TECHNOLOGY IN REFRIGERATION DEVICES HF61G00269SB HTI-0-UM-GB_CW...
-
Page 3: Table Of Contents
HIGH TECHNOLOGY IN REFRIGERATION DEVICES Index General Description........................4 Structure ............................4 Field of application ...........................4 Cooling circuit ...........................4 Hydraulic section ..........................6 Installation warnings .........................7 Inspection / Transport ......................8 Inspection on receipt ........................8 Lifting and transport .........................8 Unpacking ............................8 Installation ..........................9 HTI - Indoor unit positioning ......................9 Free-cooling duct connections (optional) .................. -
Page 4: General Description
55 ° C / 90% R.H. Cooling circuit The entire cooling circuit is built in the HiRef factory using only components of the finest quality brands and processes conforming to the specifications of “Directive 97/23” for brazing and testing. Cooling components •... - Page 5 HIGH TECHNOLOGY IN REFRIGERATION DEVICES • Alarm signalling. • Display of operating parameters. • RS232, RS485 serial output management (optional). • Phase sequence error (Not displayed by the mP, but prevents the compressor from starting up). See microprocessor control manual for further details, also in relation to particular customer specifications.
-
Page 6: Hydraulic Section
HIGH TECHNOLOGY IN REFRIGERATION DEVICES Hydraulic section Three-way valve The 3-way valve used on HTI0105 version unit for inlet water flow regulation allowing a foundamentally maximum precision’s regulation on CCAC applications. Tab. 3 Technical characteristics 0073-0105 120-145 310-380 Kvs valve (m3/h) 16,0 PN valve P max. -
Page 7: Installation Warnings
HIGH TECHNOLOGY IN REFRIGERATION DEVICES Installation warnings General rules • When installing or servicing the unit, you must strictly follow the rules provided in this manual, comply with the directions on the units themselves and take all such precautions as are necessary. •... -
Page 8: Inspection / Transport
On receiving the unit, check that it is perfectly intact: the unit left the factory in perfect conditions; immediately report any signs of damage to the carrier and note them on the Delivery Slip before signing it. HiRef S.p.A. or its Agent must be promptly notified of the entity of the damage. -
Page 9: Installation
HIGH TECHNOLOGY IN REFRIGERATION DEVICES Installation The HTS package air-conditioning unit is suitable for all environments except aggressive ones. Do not place any obstacles near the units and make sure that the air flow is not impeded by obstacles and/or situations causing back suction. -
Page 10: Free-Cooling Duct Connections (Optional)
HIGH TECHNOLOGY IN REFRIGERATION DEVICES Fig. 2 Service area HTI unit unit DX VERSION Model (mm) (mm) (mm) (mm) HTI -073-105-120-310-380 Free-cooling duct connections (optional) The air conditioner may be supplied with an integrated free-cooling device (optional), which uses fresh air from outside to cool the ambient without starting up the compressor. -
Page 11: Electrical Connections
HIGH TECHNOLOGY IN REFRIGERATION DEVICES Electrical Connections Generalities Before carrying out any job on electrical parts, make sure the power supply is disconnected. Check that the mains electricity supply is compatible with the specifications (voltage, number of phases, frequency) shown on the unit rating plate. The power connection for single-phase loads is to be made with a three-pole cable and “N”... -
Page 12: Starting Up For The First Time
HIGH TECHNOLOGY IN REFRIGERATION DEVICES Starting up for the first time Electrical connection • Open the frontal panel of the units • Turn HTI unit QS main switch OFF. • Insert the power supply cable using one of the special holes you can find on HTI unit sides and connect it to QS main switch. -
Page 13: Maintenance
HIGH TECHNOLOGY IN REFRIGERATION DEVICES Maintenance The only operations to be performed by the user are to switch the unit On and Off. All other operations are to be considered maintenance work and must thus be carried out by qualified personnel trained to do their job in accordance with current laws and regulations. - Page 14 HIGH TECHNOLOGY IN REFRIGERATION DEVICES Fig. 7 Inspecting the air filter Remove the grilled panel to access the damper and air filter compartment. Pull out the air filter. Check the condition of the filter and replace it if necessary. Grilled panel Air filter Fig.
-
Page 15: Troubleshooting
HIGH TECHNOLOGY IN REFRIGERATION DEVICES Troubleshooting On this pages you will find a list of the most common reasons that may cause the package unit to fail or any malfunction. This causes are broken down according to easily identifiable symptoms. You should be extremely careful when attempting to implement any of the possible remedies suggested: overconfidence can result in injuries, even serious ones, to inexpert individuals. - Page 16 All rights reserved. No part of this publication may be reproduced without prior written permission from HiRef S.p.A. HiRef S.p.A. reserves the right to make changes in specifications and other information contained in this manual without prior notice. In no event shall HiRef S.p.A be liable for any incidental, special, indirect, or consequential damages whatsoever, including but no limited to lost profits, arising out of or related to this manual or the information contained herein, even if Hiref S.p.A.
Need help?
Do you have a question about the HTI-CW Series and is the answer not in the manual?
Questions and answers