58
12 Setting the DIP Switches
How to change the DIP switches
1. Disconnect the electrical power to the Water
Heater before changing the DIP switches.*
2. Open the front cover of the Water Heater (4
screws).
3. Adjust the DIP switches.
4. Close the front cover of the Water Heater (4
screws).
5. Reconnect the electrical power to the Water
Heater.
* Failure to perform this step will result a “73” code
displayed on the Remote Controller and a cease
in operation.
If this occurs, disconnect, then reconnect the
electrical power to the Water Heater to reset the
system.
• When using 2 in. flexible PP material
Change DIP switch #7 by following the table below.
Circuit Board
1 23456 7 8
OFF
ON
The location of DIP switch bank
The DIP switch bank is placed
on the circuit board.
DIP Switch Listing
[For outdoor installation]
Turn ON DIP switch #2.
[For using SV Conversion Kit (SV-CK-2-1 or SV-
CK-2)]
Turn ON DIP switch #3.
[For installing at an altitude of 2,000 ft (610 m) or
higher]
Change DIP switch #5 and #6 by following the table
below.
[For adjusting to accommodate longer vent runs]
• When using PVC / CPVC / PP / Stainless Steel
material
Change DIP switch #7 and #8 by following the table
below.
Refer to page 20 for more details on ① to ④ .
• When using flexible pipe for chimney
Change DIP switch #7 by following the table below.
Vent length condition
DIP switches
#7 #8
①Less than 33 ft using 2 in. (50 mm) pipe OFF OFF
②33 ft or more using 2 in. (50 mm) pipe ON OFF
③Less than 75 ft using 3 in. (75 mm) pipe OFF ON
④75 ft or more using 3 in. (75 mm) pipe ON ON
(DuraVent® - Flex Through Chimney w/ Air Intake
(Only 3 in.))
* The maximum vent length includes elbows.
Vent
length
condition
DIP
switch
#7
Maximum equivalent
vent length*
V (Vertical)
+
H (Horizontal)
Equivalent
length
Short
length
OFF < 50 ft (15 m)
Flexible pipe:
1 ft (0.3 m)
Rigid pipe:
1 ft (0.3 m)
90° elbow:
5 ft (1.5 m)
45° elbow:
3 ft (0.9 m)
Long
length
ON
50 ft (15 m)–75 ft (22.5 m)
Vent length
DIP switches
#7 #8
Short length 5 ft (1.5 m) - 15 ft (4.5 m) OFF OFF
Long length 15 ft (4.5 m) - 35 ft (10.5 m) ON OFF
High elevation adjustment
DIP switches
#5 #6
0-2,000 ft (0-610 m) OFF OFF
2,001-4,000 ft (611-1,219 m) ON OFF
4,001-7,000 ft (1,220-2,134 m) OFF ON
7,001-10,000 ft (2,135-3,048 m) ON ON
(Centrotherm® - Flex Through Chimney w/ Air Intake
(Only 3 in.))
* The maximum vent length includes elbows.
Vent
length
condition
DIP
switch
#7
Maximum equivalent
vent length*
Equivalent
length
Short
length
OFF
Exhaust vent
V (Vertical) + H (Horizontal):
< 50 ft (15 m)
Air Intake:
< 50 ft (15 m)
Flexible pipe:
1 ft (0.3 m)
Rigid pipe:
1 ft (0.3 m)
90° elbow:
5 ft (1.5 m)
45° elbow:
3 ft (0.9 m)
Long
length
ON
Exhaust vent
V (Vertical) + H (Horizontal):
50 ft (15 m)–75 ft (22.5 m)
Air Intake:
50 ft (15 m)–75 ft (22.5 m)
Setting the DIP Switches
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