Condensate Piping - ECR International COMBI 115 Installation, Operation And Maintenance Manual

FI GURE 5 - 3 5 - Condensa t e Dra in
End m ust be left
open
Condensat e Tee
(field installed)
on condensat e
drain pipe
Do not place in
environm ent wit h
t em perat ures
below freezing.
Condensat e
out let will block
if condensat e
freezes.
5 - COM BU STI ON AI R AN D V EN T PI PI N G
3/ 4" PVC ( 165/ 205)
1/ 2" PVC
(75/ 100/ 115/ 125/ 150)
!
W ARN I N G
Asphyxiat ion hazard! Fill condensat e t rap before
st art ing boiler t o avoid com bust ion product s escaping
boiler. Failure t o follow t hese inst ruct ions could result
in deat h or serious inj ury.
5 .1 5 Condensa t e Piping
• Use m at erials accept able t o aut horit y having j urisdict ion. I n
absence of such aut horit y:
• USA - PVC or CPVC per ASTM D1785/ D2845 Cem ent or
prim er per ASME D2564 or F493.
• Canada - CSA or ULC certified PVC/CPVC pipe, fittings
and cem ent .
• No ext ernal t rap needed.
• Connect condensat e hose, hose clam ps, and coupling t o
boiler drain t rap as shown in Figure 5- 35.
• Connect condensat e piping t o 3/ 4" PVC for 165/ 205 or
1/ 2" PVC for 75/ 100/ 115/ 125/ 150 as shown.
• Slope condensat e drain pipe m inim um 1/ 4" per foot
( 21 m m / m ) away from boiler.
• Support condensat e pipe t o elim inat e any sages.
• Use field source condensate pump, designated for use with
condensing boiler, if boiler locat ed below disposal point .
• Condensate pump should have overflow switch.
Condensat e from Boiler is slight ly acidic and m ay cause
property damage if overflow.
• Field source condensat e neut ralizing kit as required
by aut horit y having j urisdict ion or for environm ent ally
friendly condensat e disposal.
Manufact urer requires an air vent be used t o prevent
condensat e line vacuum lock.
3 1
NOTICE
240013687 REV A [ 09/ 01/ 2022]