Installation
INSTALLING THE VENTING SYSTEM
(See Fig.’s 4, 5, 6)
Introduction
Your
hfpp
Cook Top is equipped with a unique outside
venting provision. This vent system must be correctly
installed and connected. Otherwise, you will not get the
full safety benefit from this product. Therefore, please
read this section carefully and decide which venting
arrangement best suits your boat.
The
hfpp
Cook Top is vented
to ensure
that any
possible gas leakage from a defective gas canister does
not cause a release of gas
at the stove itself
, but is
vented to a location outside where it can harmlessly
dissipate in the open air.
VENTING BASICS
A
.
Keep water out of the Cook Top by:
1. Choosing
the best vent exit location:
The venting hose must terminate in a location that
will prevent water from entering the hose and getting
into the
=
KISS stove under normal conditions
2. Installing
the Check Valve(s)
(Supplied with all
hfpp
Cook Tops beginning 2/98).
This device provides an additional defense against
water entering the CookTop.
The vent layouts shown in this manual are
designed to minimize the chance of water entry if
the check valve should fail.
Note that
two (2) check
valves
are needed for side-exit sailboat installations.
B.
Vent Hose Routing:
Unlike drain hoses for large propane lockers (ref. ABYC
Standard A-1), the
hfpp
vent hose can run uphill,
downhill, have pockets, bends and dips.
Therefore, the venting hose can terminate at any location
external to the hull’s interior spaces, where it will be
protected from entry of water, whether from waves, spray,
rain or washdown. It can be inboard or outboard of
coamings; in the cockpit or outside of it.
Select the most applicable layout from the three
versions shown – and follow it!
C. Install it Right
the First Time!
Use
5/8” ID (16mm) reinforced vinyl hose. Insert the
check valve in the hose. Note the “FLOW” direction
arrow, it should point AWAY from the cook top.
Use
the correctly sized stainless “mini” hose clamps.
Use
a PERKO 506DPCHR vent fitting at the outlet
end. Maximum hose length: 30 feet (9 meters)
D.
Best
Locations for Vent Outlet Fitting
(POWER OR SAIL):
1. A cockpit coaming, locker or cubby
2. Any similar deck or cockpit structure
3. Above the cockpit well or floor
E.
Acceptable
Location
1. Through the side of the hull, at least 1-1/2 feet above
the waterline. (1/2 meter)
Note that for sailboats, two (2) Check Valves in
tandem are required –
(see Fig.’s 5 and 6)
Whichever compartment you select, it should be vented,
drained or scuppered to the “outdoors,” ie to the cockpit,
the weatherdeck or overboard.
This drain does not have
to lead outboard of the cockpit area, rails or coamings.
The size of the drain is not critical so long as its cross
sectional area is at least equal to that of the venting hose
itself.
F. A few common sense rules:
DO NOT
select a location in which vigorous washdown
water from a pressurized hose can cause water to enter
the vent hose.
DO NOT
run the venting hose near to or in contact with
local heat sources or surfaces that can cause hose
failure.
If
the hose enters laterally through a vertical panel so
that the hose end fitting will be horizontal, use a stock fuel
tank vent fitting, such as the PERKO 506DPCHR which
has a built-in “clamshell” hood. Orient the fitting with its
clamshell opening facing down.
If
the hose must enter from the bottom, it can be bent
180 degrees to form a loop or a return bend of 5/8”
(16mm) copper or stainless steel tubing can be used.
If
the hose enters vertically from the “roof” of the
space, no end fitting is necessary.
Finish
the installation by securing the venting hose
from chafe and vibration with suitable clamps or ties.
6
NOTE:
hfpp
exceeds the requirements of ABYC Standard
A-30 which are based on the finding that the contents of an
8 oz. butane canister will generally not, if released into the
hull interior, create a flammable or explosive condition.