68
15 Setting the DIP Switches
How to change the DIP switches
1. Disconnect the electrical power to the Combi
Boiler before changing the DIP switches.*
2. Open the front cover of the Combi Boiler (4
screws).
3. Adjust the DIP switches.
4. Close the front cover of the Combi Boiler (4
screws).
5. Reconnect the electrical power to the Combi
Boiler.
* Failure to perform this step will result a “73” code
displayed on the Operation Display and a cease in
operation.
If this occurs, disconnect, then reconnect the
electrical power to the Combi Boiler to reset the
system.
1 2 3 4 5 6 7 8
OFF
ON
The location of DIP switch bank
The DIP switch bank is placed on the circuit board.
DIP Switch Listing
[For using 2 in. SV Conversion Kit]
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.
High elevation adjustment
DIP switches
#5
#6
0-2,000 ft (0-610 m)
○
○
2,001-4,000 ft (611-1,219 m)
●
○
4,001-7,000 ft (1,220-2,134 m)
○
●
7,001-10,000 ft (2,135-3,048 m)
●
●
ON =
●
/ OFF =
○
[For adjusting to accommodate longer vent runs]
• When using PVC/CPVC/PP material
Change DIP switch #7 and #8 by following the table
below.
Vent length condition
DIP switches
#7
#8
①
Less than 33 ft using 2 in. (50 mm) pipe
○
○
②
33 ft or more using 2 in. (50 mm) pipe
●
○
③
Less than 50 ft using 3 in. (75 mm) pipe
○
●
④
50 ft or more using 3 in. (75 mm) pipe
●
●
ON =
●
/ OFF =
○
Refer to page 22 for more details on
①
to
④
.
• When using flexible pipe for chimney
Change DIP switch #7 by following the table below.
(DuraVent® - Flex Through Chimney w/ Air Intake
(Only 3 in.))
Vent
length
condition
DIP
switch
#7
Maximum equivalent
vent length*
V (Vertical)
+
H (Horizontal)
Equivalent
length
Short
length
○
< 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
●
50 ft (15 m)–75 ft (22.5 m)
ON =
●
/ OFF =
○
* The maximum vent length includes elbows.
(Centrotherm® - Flex Through Chimney w/ Air Intake
(Only 3 in.))
Vent
length
condition
DIP
switch
#7
Maximum equivalent
vent length*
Equivalent
length
Short
length
○
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
●
Exhaust vent
V (Vertical) + H (Horizontal):
50 ft (15 m)–75 ft (22.5 m)
Air Intake:
< 75 ft (22.5 m)
ON =
●
/ OFF =
○
* The maximum vent length includes elbows.
Setting the DIP Switches
Summary of Contents for GHQ-C3201WX-FF PB US
Page 9: ...9 Memo About the Combi Boiler ...
Page 84: ......
