Table Of Contents - Carrier Idrofan 42NL Installation, Operating And Maintenance Instruction

Ducted fan coil units

Table of Contents

CONTENTS

1 - PRECAUTIONS ............................................................................................................................................... 11

1.1 - Operating limits ........................................................................................................................................... 11

1.2 - Clearances required .................................................................................................................................... 11

1.3 - Receiving a shipment - installation methods ............................................................................................... 11

1.4 - Supply voltage .............................................................................................................................................12

2 - SAFETY CONSIDERATIONS ..........................................................................................................................13

2.1 - General........................................................................................................................................................13

2.2 - Protection against electrocution ..................................................................................................................13

2.3 - General installation conditions ....................................................................................................................13

2.4 - Caution for the control of the unit ................................................................................................................14

2.5 - Regulations .................................................................................................................................................14

3 - INSTALLATION OF THE UNIT ........................................................................................................................15

3.1 - Installing the unit in the false ceiling ............................................................................................................15

3.2 - Installation procedure ..................................................................................................................................15

3.3 - Removal procedure .....................................................................................................................................16

3.4 - Safety considerations relating to final shut-down ........................................................................................16

4 - COMPONENTS AND MAINTENANCE ...........................................................................................................17

4.1 - Fan motor assembly ....................................................................................................................................17

4.2 - Drain pan removal ......................................................................................................................................18

4.3 - Water coil ....................................................................................................................................................18

4.4 - Duct connection spigots ..............................................................................................................................18

4.5 - Duct connection rectangular flanges ...........................................................................................................18

4.6 - Optional filter and filter access ....................................................................................................................19

4.7 - Fresh air controller ......................................................................................................................................19

4.8 - Optional water flow control valves ...............................................................................................................19

4.9 - Flexible pipe option .....................................................................................................................................21

4.10 - Optional electric heater .............................................................................................................................22

4.11 - Optional water sensor ................................................................................................................................22

4.12 - Optional condensate pump .......................................................................................................................22