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18/10/18  1

UKUNDA 

SIG AH

Heat Recovery unit 

 Installation-Operation-Maintenance

 reserves the right to change the specifications of the product  at any time without prior notice

Contents
1.0 INTRODUCTION 

 2

1.1 PRODUCT DESCRIPTION 

 2

2.0 MAIN LAYOUTS 

 3

3.0 MAIN COMPONENTS 

 4 

3.1 SAFETY 

 5

4.0 INSTALLATION 

 5

5 DIMENSIONS AND WEIGHT 

 8

6 ELECTRICAL INSTALLATION 

 9

7 UNIT OPERATION 

 12

8 AVAILABLE ACCESSORIES & CONTROLS 

 13

9 FROST RISK 

 15

10 CONDENSATE TRAY 

 16

High efficiency heat recovery ventilation units Installation-Operation-Maintenance 

Manual

Summary of Contents for UKUNDA

Page 1: ...otice Contents 1 0 INTRODUCTION 2 1 1 PRODUCT DESCRIPTION 2 2 0 MAIN LAYOUTS 3 3 0 MAIN COMPONENTS 4 3 1 SAFETY 5 4 0 INSTALLATION 5 5 DIMENSIONS AND WEIGHT 8 6 ELECTRICAL INSTALLATION 9 7 UNIT OPERATION 12 8 AVAILABLE ACCESSORIES CONTROLS 13 9 FROST RISK 15 10 CONDENSATE TRAY 16 High efficiency heat recovery ventilation units Installation Operation Maintenance Manual ...

Page 2: ...in compliance with the man ufacturers recommendations and with current local 1 0 INTRODUCTION 1 1 PRODUCT DESCRIPTION legislation and codes of practice If these guidelines are not followed the unit may experi ence a shortened life or may present a risk of unsafety To guarantee efficiency and long working life a unit in spection maintenance should be carried out annually by an expert technician The...

Page 3: ...overy unit Installation Operation Maintenance reserves the right to change the specifications of the product at any time without prior notice 2 0 MAIN LAYOUTS HOC horizontal side connection layout BACK FRONT supply fresh return exhaust ...

Page 4: ... without prior notice 1 Touch screen control remotable 2 High efficiency counterflow heat exchanger 3 Electronic box with connections 4 Air filter 5 Air filter 6 Condensate discharge 7 Bypass valve for free cooling 8 Extract and supply fans 9 Side panels 10 Unit body 11 IRS PIR 12 Accessory comparment HWD CWD UNIT WITH DUCTED RETURN 2 0 MAIN COMPONENTS ...

Page 5: ... and try to avoid general or generic terms such as box damaged or torn Check also size model and accessories The unit must be stored in a dry clean place protected from frosting and magnetic fields in its original packag ing until installation In case of long term storage or inactivity the unit must be protected from dust and moisture and run the test described in part 1 1995 11 DIN VDE 0702 1 Don...

Page 6: ...s to any protruding Accessories eg equipment roof transport bars trusses wooden spacers cable loops pull ropes lifting gear and other accessories required for the crane transport are not included and therefore be provided on site Access panels and electronics controls must be always closed and protected during transport 4 1 UNIT HANDLING AND INSTALLATION VERY IMPORTANT FIX THE RETAINING SCREWS AGA...

Page 7: ...anties for the proper function of the equipment as well as the manufacturer responsibility 4 2 3 BASIC REQUIREMENTS Important Check the unit air flow layout and installation it is not possible to change the ordered layout in site and specific user requirements are to be factory fitted with dedicated customization The installation place must be indoor and frost free Leave a free space for panel ope...

Page 8: ...30 1580 330 280 500 500 A A1 mm B B1 B2 mm C mm D mm E mm F mm G mm H mm kg 40 1560 1400 1850 1400 150 250 190 260 365 200 1280 170 70 1860 1700 1850 1400 150 250 190 260 365 200 1580 201 120 1860 1700 1850 1400 150 350 250 300 365 315 1580 310 A B C E D F G B1 B2 A1 F H H 50 UKUNDA SIG AH Heat Recovery unit Installation Operation Maintenance reserves the right to change the specifications of the ...

Page 9: ...o the board with a RJ45 8 pole Ethernet straight cable of Cat 5 or higher The unit can be equipped with two external control Input 0 10 V to set unit on off bypass on off or proportional air flow control it can also give two output signals configurable on unit run bypass open unit fault Important Input and output configuration is to be set in the touch screen control service menu Priority when the...

Page 10: ...ny time without prior notice See power intake table for sizing the power cable Always protect each unit with proper indipendent main switch and safety protection in accordance to the local laws Cable for remote control must be in accordance to the recommendatios you find in the IOM of the remote control VERY IMPORTANT cable through the cable guide ...

Page 11: ...H Heat Recovery unit Installation Operation Maintenance reserves the right to change the specifications of the product at any time without prior notice 6 2 ELECTRICAL BASIC SCHEMA BYPASS TOUCH SCREEN AIR SENSORS OR HEATING COOLING ACCES SORIES FAN CONNECTIONS AIR TEMP SENSORS UNIT POWER ELECTRIC BOARD CONTROL BOARD INTERNAL ACCES SORIES OPTION Ex AIR DUCT SENSOR INTERNAL PREHEATER supply exhaust f...

Page 12: ...2 is activated COMM Accessories The connected accessories are communicating with the unit TOUCH SCREEN PLUG The touch screen is powered TOUCH SCREEN ARROWS The touch screen is communicating with the unit MAIN POWER The unit is powered FAN Weekly program is set and fans are operating WEEKLY Weekly program is set FILTER Clogged filter see Maintenance and Troubleshooting ALARM See Troubleshooting 7 0...

Page 13: ... self contained Electronically controlled pre hot water coil PHWD self contained Electronically controlled post hot water coil HWD self contained Electronically controlled chilled water coil CWD self contained Electronically controlled electric post heater EHD self contained Occupancy infra red sensor IRS Clogged filter alarm pressure sensor DPS Control KTS control touch screen BASIC KTS control t...

Page 14: ...ir flow rate m3 h 40 IEHD AELEH000808 230 V 50 Hz 0 75 6 5 11 400 70 6 700 120 AELEH000809 2 13 7 1200 Size item ref number Supply Capacity kW Air 18 C 20 HR Water 80 70 C P drop Water kPa Water connection female Electric power intake W Current A Air flow rate m3 h 40 IHWD AHDCOLHWC131 230 V 50 Hz 6 14 6 3 4 50 0 4 350 70 AHDCOLHWC132 8 9 12 4 3 4 87 0 7 550 120 AHDCOLHWC133 15 4 16 4 3 4 150 1 2 ...

Page 15: ...vide the pipe with trace heating 9 FROST RISK It is important that the air handling unit is installed hori zontally The condensate drain must be connected to a site drain siphon with water trap or an on site conden sate pump During operation there may be a negative pressure up to 500 Pa equivalent to a 50mm water column enter in the flow In this case the difference in height must be 50mm minimum i...

Page 16: ... EN standards 93 37 EC 2006 42 EC EC Machinery Directive 2004 108 EC EC EMC Directive Electro Magnetic Compatibility 2006 95 EC EC Low Voltage Directive EN 60204 1 Safety Of Machinery Electrical Equipment Of Machines Part 1 General Requirements EN 12100 2010 Safety of machinery basic concepts general principles for design EN 60034 5 Rotating electric machinery part 5 Protection classification for ...

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