Product Manual
HeatMax II Furnace Installation and Operation Manual
3
Table of contents
PART 1 – INSTALLATION .............................................................................6
INTRODUCTION ............................................................................................6
1
Regulations and safety warnings covering installation .......................7
1.1 Regulations covering furnace installation .................................................................... 7
1.2 Cautions and warnings covering installation ............................................................... 7
2
Authorized and non-authorized configuration ......................................8
2.1 Authorized configurations in Canada and United States ............................................. 8
2.2 Authorized configurations in United States only .......................................................... 8
2.3 Non-authorized configuration, Canada and United States .......................................... 9
3
Setting up the unit and clearances ........................................................9
3.1 Unit location ................................................................................................................ 9
3.2 Certification label ........................................................................................................ 9
3.3 Clearances to combustible material .......................................................................... 10
3.3.1 Clearances with single and double wall pipe ........................................................ 11
3.3.2 Cold air return ductwork Clearances ..................................................................... 11
3.3.3 Floor protection ..................................................................................................... 12
4
The venting system ............................................................................... 13
4.1 The chimney ............................................................................................................. 13
4.1.1 Factory-built metal chimneys ................................................................................ 13
4.1.2 Masonry chimneys ................................................................................................ 14
4.1.3 Minimum chimney height ...................................................................................... 15
4.2 The connector pipe ................................................................................................... 15
4.2.1 Best practices and requisites of the installation code ........................................... 15
5
Hot air distribution and air return system ........................................... 17
5.1 Hot air distribution plenum height according to ceiling height ................................... 18
5.1.1 Plenum’s minimum height; (only plenum (B) must be used) ................................. 18
5.1.2 Adjustable height of the plenum; (with the plenum extension cut off (A)). ............ 19
5.1.3 Adjustable height of the plenum (A and B); without cutting 73" to 88" (185 to 224
cm). ....................................................................................................................... 19
5.2 Assembling the hot air distribution plenum (A and B). .............................................. 20
5.2.1 Assembling the plenum extension (A) by means of 12 screws and corner
reinforcements ...................................................................................................... 20
5.2.2 Assembling the plenum (B) ................................................................................... 21
5.2.3 Assembling the plenum extension (A) to the plenum (B) ...................................... 23
5.3 Installation of the assembled plenum on the furnace ................................................ 24
5.4 Configuration and restrictions of hot air distribution system ...................................... 25