Lennox Fhm 150 Installation, Operating And Maintenance Guide

TABLE OF CONTENTS
FLEXYII_WSHP-IOM-1307-E - 1 -
INSTALLATION
OPERATION
MAINTENANCE MANUAL
Ref. FLEXYII_WSHP-IOM-1307-E
IMPORTANT NOTICE - Safety Instructions ....................................................................................................... 2
TRANSPORT - HANDLING - WARNING .............................................................................................................. 5
Delivery checks .............................................................................................................................................. 5
Rating plate .................................................................................................................................................... 5
Storage ........................................................................................................................................................... 5
Maintenance key ............................................................................................................................................ 5
Condensate drain ........................................................................................................................................... 5
Mandatory handling devices ........................................................................................................................... 6
Dimensions and weights ................................................................................................................................. 7
Lifting the units ............................................................................................................................................... 9
INSTALLATION .................................................................................................................................................... 10
Forklift protections .......................................................................................................................................... 10
Minimum clearance around the unit ................................................................................................................ 11
Duct connections ............................................................................................................................................ 12
WATER CONDENSING (water source heat pump only) ....................................................................................... 13
Water connection............................................................................................................................................ 13
Antifreeze ....................................................................................................................................................... 14
Water loop configuration ................................................................................................................................. 16
Pressure loss .................................................................................................................................................. 17
INSTALLATION OF A ROOF MOUNTING FRAME ............................................................................................. 18
Curbing and flashing ...................................................................................................................................... 19
Non-adjustable non-assembled roof curb installation ..................................................................................... 20
Energy recovery installation ........................................................................................................................... 22
SERVICE MANUAL .............................................................................................................................................. 31

Lennox Fhm 150 Specifications

General

Brand	Lennox
Model	Fhm 150
Category	Heat Pump
Language	English