Takagi 540P Indoor User Manual

21 Page
Installaon
Installaon Manual
4" (102 mm)
straight pipe
3" (76 mm) x 4" (102 mm)
increaser
Exhaust vent collar
(Female)
3" (76 mm) elbow
with bird screen
Intake vent collar
(Female)
1. Connect a 3" (76 mm) elbow directly on
the intake vent collar of the water heater.
2. Connect a 3" x 4" (76 mm x 102 mm)
increaser directly on the exhaust vent
collar of the water heater.
3. Connect a 4" (102 mm) straight pipe to
the increaser.

3" (76 mm) coupling
(included)
3" (76 mm)
straight pipe
Exhaust vent collar
(Female)
3" (76 mm) elbow
with bird screen
Intake vent collar
(Female)
1. Connect a 3" (76 mm) elbow directly
on the intake vent collar of the water
heater.
2. Connect a 3" (76 mm) coupling directly
on the exhaust vent collar of the water
heater.
3. Connect a 3" (76 mm) straight pipe to
the coupling.


DIP switch settings : Single vent pipe installations
Vent diameter
3" (76 mm)
venting
4" (102 mm)
venting
5 to 45 ft
(1.5 to 13.7 m)
(DEFAULT)
46 to 70 ft
(13.8 to 21.3 m)
5 to 50 ft
(1.5 to 15.2m)
(DEFAULT)
51 to 100 ft
(15.3 to 30.5 m)
Lower bank
of
DIP switches
1 2 3 4 5 6 7 8
ON
No. 3 : O N
No. 4 : OFF
1 2 3 4 5 6 7 8
ON
No. 3 : OFF
No. 4 : OFF
1 2 3 4 5 6 7 8
ON
No. 3 : O N
No. 4 : OFF
1 2 3 4 5 6 7 8
ON
No. 3 : OFF
No. 4 : OFF
Vent
length
DIP
switches
Lower bank of
DIP switches
Set DIP switches shown in the table below depending on
the vent diameter and length.
WARNING
 To adjust vent length, adjust only the No. 3 and No. 4 DIP switches in the
LOWER bank of DIP switches. (See below.) DO NOT adjust the other DIP
switches.
 Turn off the power supply to the water heater before changing the DIP
switch settings.
 Failure to observe these warnings could lead to carbon monoxide poison-
ing or death.

Takagi 540P Indoor Specifications

General

Brand	Takagi
Model	540P Indoor
Category	Water Heater
Language	English