W415-0919 / D / 03.27.13
2
Table of ConTenTs
1.0
INTRODUCTION
3
2.0
SAFETY SYMBOLS AND WARNINGS
4
2.1
SAFETy RulES
5
2.2
CoDES
5
3.0
FURNACE SIzING
8
4.0
LOCATION OF UNIT
9
4.1
gENERAl guIDElINES
9
4.2
oThER CoNSIDERATIoNS
9
4.3
INSTAllATIoN IN upFloW, DoWNFloW oR hoRIZoNTAl poSITIoNS
10
4.4
AIR CoNDITIoNINg
11
5.0
COMBUSTIBLE CLEARANCES
11
6.0
DUCTWORK
12
6.1
DuCTWoRk STEpS
13
7.0
vENTING AND COMBUSTION PIPING
14
7.1
ACCEpTAblE mATERIAlS IN CANADA
14
7.2
ACCEpTAblE mATERIAlS IN uNITED STATES
14
8.0
NON-DIRECT vENT FURNACE INSTALLATIONS USING INDOOR COMBUSTION AIR (ONE PIPE SYSTEM)
15
8.1
DETERmININg CombuSTIoN AIR
16
8.1.1
CASE 1: FuRNACE loCATED IN A uNCoNFINED SpACE
16
8.1.2
CASE 2: FuRNACE loCATED IN A CoNFINED SpACE
16
8.1.3
CASE 3: FuRNACE loCATED IN A CoNFINED SpACE, ouTDooR AIR FRom ATTIC oR CRAWl SpACE
17
8.1.4
CASE 4: FuRNACE loCATED IN A CoNFINED SpACE, ouTDooR AIR DuCTED hoRIZoNTAlly
18
8.1.5
CoNNECTIoN To FuRNACE NoN-DIRECT VENT
18
9.0
vENTING GUIDELINES
19
9.1
VENT TERmINATIoN
20
9.2
IN CANADA
21
9.3
IN uNITED STATES
21
9.4
FuRNACE VENTINg INSTAllATIoNS
22
9.4.1
NoN-DIRECT VENT INSTAllATIoN uSINg INDooR CombuSTIoN AIR (oNE pIpE SySTEm)
22
9.4.2
DIRECT VENT INSTAllATIoN uSINg ouTDooR CombuSTIoN AIR (TWo pIpE SySTEm)
22
9.4.3
CombuSTIoN AIR
22
10.0
TERMINATIONS
23
10.1
CombuSTIoN AIR
23
10.2
ExhAuST
23
10.3
CoNCENTRIC VENTINg kIT
23
10.4
CoNCENTRIC VENT TERmINATIoN INSTAllATIoN INSTRuCTIoNS
23
10.5
loCATIoN
23
10.6
mulTIplE VENTINg
24
11.0
ROUTING OPTIONS
27
11.1
ExhAuSTER RoTATIoN INSTRuCTIoNS & pRESSuRE SWITCh mouNTINg
27
11.2
CoNDENSATE DRAINS
28
11.3
pREpARATIoNS FoR VENT AND DRAININg opTIoN
28
11.4
DRAIN hoSE INSTAllATIoN
32
11.4.1 DRAIN pIpINg
32
11.5
AlTERNATE CoNDENSATE DRAIN pIpINg INSTAllATIoN uSINg 1/2” pVC oR 3/4” CpVC
33
11.6
CoNDENSATE NEuTRAlIZERS
34
12.0
GAS SUPPLY AND PIPING
35
12.1
gAS Supply
35
12.2
gAS pIpINg
35
12.3
gAS INlET pRESSuRE
36
12.4
lEAk TESTINg
36
12.5
puRgINg gAS lINES
36
13.0
CONvERSIONS
37
13.1
CoNVERSIoN STEpS
37
13.2
ChECkINg ThE INlET gAS pRESSuRE
37
13.3
SETTINg ThE mANIFolD gAS pRESSuRE
38
13.4
ChECkINg FuRNACE INpuT
39
14.0
ELECTRICAL SPECIFICATIONS
40
14.1
ElECTRICAl WIRINg AND CoNNECTIoNS
40
14.2
FuRNACE CoNNECTIoN
41
