Instructions / Assembly

25
The power must be unplugged when adjusting
the DIP switch to switch the airow amount.
The power must be unplugged when adjusting
the DIP switch to switch the airow amount.
The unit can be adjusted to accommodate longer vent runs; refer to the below table to nd the
maximum vent length. Adjust the Dip switch according to the vent condition noted in the tables below.
Note: When adjusting the dip switches for longer vent runs, the BTUH input of the appliance will be
reduced by up to 9%.
Maximum Vent Length Adjustment Dip switches
when using 2" exible polypropylene
• Disconnect power to the water heater before changing the DIP switch. Failure to perform this step
will result in a "73" code displayed on the remote controller and a cease in operation .
If this occurs, disconnect, then reconnect power to the water heater to reset the system.
Installation of Flex Vent 2" Conversion Kit
1. Secure the "Flex Vent 2" Conversion Kit" to top of the water heater*.
* Refer to the instructions provided with "Flex Vent 2"
Conversion Kit" for additional detail.
(Note): Flex Vent 2" Conversion Kit must be installed in
the proper direction as shown left.
2. Disconnect power and turn on dip switches No.2 and 3.
Refer to page 28 for the location of the dip switch bank.
Dip switches No.2 and 3 are turned on.
Do not change any other dip switch.
Refer to page 28 for the location of the dip switchbank.
Flex Vent 2" Conversion Kit (EZ2-CK)
Color of ex pipe Maximum Vent Length Congurations
①
Flex Vent 2" Kit 25 feet
(EZ2FVK-1)
Dark gray
[Maximum Vent Length Example]
- Actual Vent Length = 13 ft. (3.9m)
(with DIP switch set at "Short length" condition)
- Actual Vent Length = 25 ft. (7.5m)
(with DIP switch set at "Long length" condition)
DIP switch #7 Vent Length
Short length
○
5' (1.5m) ~ 15' (4.5m)
Long length
●
15' (4.5m) ~ 25' (7.5m)
ON=
●
OFF=
○
②
Flex Vent 2" Kit 35 feet
(EZ2FVK-2)
Light gray
[Maximum Vent Length Example]
- Actual Vent Length = 18 ft. (5.4m)
(with DIP switch set at "Short length" condition)
- Actual Vent Length = 35 ft. (10.5m)
(with DIP switch set at "Long length" condition)
DIP switch #7 Vent Length
Short length
○
5' (1.5m) ~ 20' (6.0m)
Long length
●
20' (6.0m) ~ 35' (10.5m)
ON=
●
OFF=
○