Lennox FLEXY II Series User Manual

IOM – FLEXY II – 1007 – E Page 2
COMMISSIONING SHEET...............................................................................................................6
INSTALLATION
Transport - H andling .................................................................................................................10
Dimensions and weights............................................................................................................12
Lifting the units ........................................................................................................................14
Preliminary checks ...................................................................................................................15
Minim um clearance around the unit..............................................................................................16
Installation on roof mounting frame ..............................................................................................17
Curbing and flashing ................................................................................................................18
Duct connections......................................................................................................................19
Non-adjustable non-assembled roof curb installation.......................................................................20
Non-adjustable non-assembled roof curb installation instructions.......................................................21
Adjustable roof curb .................................................................................................................22
Non-adjustable Non-as s em b l e d roof curb .....................................................................................23
Mult idirec t ional roof c urb ...........................................................................................................24
Return roof curb ......................................................................................................................25
Return horizontal roof curb.........................................................................................................26
Transit ion roof curb...................................................................................................................27
Energy Recov ery......................................................................................................................28
Economiser and extraction.........................................................................................................29
COMMISSIONING
Bef ore connecting the power ......................................................................................................30
CLIMATIC...............................................................................................................................31
Powering the unit .....................................................................................................................31
Run test.................................................................................................................................32
VENTILATION
Belt tension ................................................................................................................................................33
Mount ing ans adjus t ing pulley s .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. ..........................34
Airflow balancing.. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. ..............................................35
Filters ..........................................................................................................................................................43
Air sock control........................................................................................................................44
UV Light.................................................................................................................................45
HEATING OPTIONS
Hot water coils ........................................................................................................................46
Electric heater .........................................................................................................................48
Gas burners............................................................................................................................49
Modulat ing gas burners .............................................................................................................60
CONTENTS

Lennox FLEXY II Series Specifications

General

Brand	Lennox
Model	FLEXY II Series
Category	Air Conditioner
Language	English