Venting Installation Tips; Venting Configurations - Raypak HI DELTA HD101 Installation & Operating Instructions Manual

Venting Installation Tips

Support piping:
· horizontal runs- at least every five (5) feet.
· vertical runs - use braces:
· under or near elbows
Follow items listed below to avoid personal injury or
property damage.
· Cut nonmetallic intake pipe with fine-toothed hack-
saw.
· Do not use nonmetallic intake pipe or fittings that
are cracked or damaged.
· Do not use nonmetallic intake fittings if they are
cut or altered.
· Do not drill holes, or use screws or rivets, in non-
metallic intake pipe or fittings.
To make metallic vent joints:
· Do not install seams of vent pipe on bottom of
runs.
· 100% Seal all joints and seams with high temper-
ature silicone sealant.
WARNING: Examine the venting system at least
once a year. Check all joints and vent pipe
connections for tightness, corrosion or deterioration.
NOTE: The words "Flue Exhaust", "Flue" and
"Exhaust Vent" are used interchangeably.

Venting Configurations

For heaters connected to gas vents or chimneys, vent
installations shall be in accordance with the section
Model Appliance
No. Category
HD101
HD151
HD201
I
HD251
HD301
HD401
**Vent lengths are based on a lateral length of 2 feet. Refer to the latest edition of the NFGC for further details. (ANSI Z223.1)
Certified Minimum
Venting Recommended
Material Vent Size (inches)
Type B or
Equivalent
Table J: Natural Draft Vertical Venting
on, Venting of Equipment, of the latest edition of
NFGC, or in Canada, B149 Installation Code for Gas
Burning Appliances and Equipment, or applicable pro-
visions of local building codes.
Fig. 18: Natural Draft Vertical Venting (Category I)
Min./Max. Venting Length without
Barometric Damper (feet)**
Min.
4 6
(HD201) 6
5 (HD251) 6
(HD301) 11
6 8
25
Air Inlet Max.
Length (feet)
Max.
25 100