Installation checklist.
Installation
Installation:
Installation checklist
Step-by-step installation instructions
q Verify that maximum flow of hot water into the
DRANE-KOOLER does not exceed 6 U.S.
gallons per minute (gpm) (22.7 L/m).
q Note that there are three connections to be made
to the DRANE-KOOLER:
Cold water supply
Hot water inlet (from a humidifier or other
appliance)
Tempered water piping to drain
q Position the DRANE-KOOLER to allow the
most direct path of piping to minimize fittings
(see the piping diagrams on Pages 6-7).
q Position unions on all connections as close to the
DRANE-KOOLER as possible to make cleaning
and maintenance easier.
q Cold water supply connection instructions:
Cold water supply connection on valve is
3/8"(DN10) NPT.
Pipe a 3/8" (DN10) line directly to the
DRANE-KOOLER from the main water
supply line.
TO ENSURE ADEQUATE WATER
PRESSURE TO THE DRANE-KOOLER, DO
NOT CONNECT TO A SUPPLY WATER
LINE THAT IS DEDICATED TO OTHER
APPLIANCES.
If installing the DRANE-KOOLER with a
humidifier, do not branch off the 1/4" (DN8)
cold water supply line to the humidifier.
Verify that the supply water pressure to the
valve is at least 25psi (172kPa) and not more
than 80psi (552kPa).
Install a cold water supply union as close to
the DRANE-KOOLER as possible.
Install a cold water shut-off valve before the
union in the cold water supply line.
q Hot water inlet connection instructions:
Hot water inlet connection is 1" (DN25) NPT.
Locate a union as close to the
DRANE-KOOLER as possible
Run 1" (DN25) pipe as directly as possible
from the hot water appliance (humidifier) to
the DRANE-KOOLER. If the piping to the hot
water inlet has a horizontal run, maintain a
pitch to the DRANE-KOOLER of at least
1/8"/ft (1%).
q Tempered water (to drain) connection
instructions:
Tempered water outlet connection is
2"(DN50) NPT.
Install a union as close to the
DRANE-KOOLER as possible.
Run a 2"(DN50) pipe as directly as possible
from the DRANE-KOOLER to the drain.
Maintain a pitch to drain of at least 1/8"/ft
(1%).
Make sure there is a 1" (25 mm) air gap
between the drain piping and the drain.
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