Vent length and no. of elbows, Dipswitch settings for vent length, Ŷɛƚăůůăɵžŷ /ŷɛƚăůůăɵžŷdăŷƶăů – Takagi T-D2U User Manual
Page 14

ϭϰ
WĂŐĞ
-Vent length and No. of Elbows-
dŚŝƐŝƐĂĂƚĞŐŽƌLJ///ĂƉƉůŝĂŶĐĞĂŶĚŵƵƐƚďĞǀĞŶƚĞĚĂĐĐŽƌĚŝŶŐůLJ͘dŚĞǀĞŶƚƐLJƐƚĞŵŵƵƐƚďĞƐĞĂůĞĚĂŝƌƚŝŐŚƚ͘
ůůƐĞĂŵƐĂŶĚũŽŝŶƚƐwithout gaskets ŵƵƐƚďĞƐĞĂůĞĚǁŝƚŚŚŝŐŚŚĞĂƚƌĞƐŝƐƚĂŶƚƐŝůŝĐŽŶĞƐĞĂůĂŶƚŽƌh>ůŝƐƚĞĚ
ĂůƵŵŝŶƵŵĂĚŚĞƐŝǀĞƚĂƉĞŚĂǀŝŶŐĂŵŝŶŝŵƵŵƚĞŵƉĞƌĂƚƵƌĞƌĂƚŝŶŐŽĨϯϱϬΣ&;ϭϳϳΣͿ͘&ŽƌďĞƐƚƌĞƐƵůƚƐ͕ĂǀĞŶƚ
ƐLJƐƚĞŵƐŚŽƵůĚďĞĂƐƐŚŽƌƚĂŶĚƐƚƌĂŝŐŚƚĂƐƉŽƐƐŝďůĞ͘
ͻ dŚŝƐǁĂƚĞƌŚĞĂƚĞƌŝƐĂĂƚĞŐŽƌLJ///ĂƉƉůŝĂŶĐĞĂŶĚŵƵƐƚďĞǀĞŶƚĞĚĂĐĐŽƌĚŝŶŐůLJǁŝƚŚĂŶLJϰŝŶ͘;ϭϬϮ
ŵŵͿǀĞŶƚĂƉƉƌŽǀĞĚĨŽƌƵƐĞǁŝƚŚĂƚĞŐŽƌLJ///Žƌ^ƉĞĐŝĂů,ƚLJƉĞŐĂƐǀĞŶƚ͘
ͻ Follow the vent pipe manufacturer’s instructions when installing the vent pipe.
ͻ Do not common vent this appliance with any other vented appliance.;ŽŶŽƚƚĞƌŵŝŶĂƚĞǀĞŶƚ
ŝŶƚŽĂĐŚŝŵŶĞLJ͘/ĨƚŚĞǀĞŶƚŵƵƐƚŐŽƚŚƌŽƵŐŚƚŚĞĐŚŝŵŶĞLJ͕ƚŚĞǀĞŶƚŵƵƐƚƌƵŶĂůůƚŚĞǁĂLJƚŚƌŽƵŐŚ
ƚŚĞĐŚŝŵŶĞLJǁŝƚŚĂƚĞŐŽƌLJ///ĂƉƉƌŽǀĞĚŽƌ^ƉĞĐŝĂů,ǀĞŶƚƉŝƉĞ͘Ϳ
ͻ tŚĞŶƚŚĞŚŽƌŝnjŽŶƚĂůǀĞŶƚƌƵŶĞdžĐĞĞĚƐϱĨƚ͘;ϭ͘ϱŵͿ͕ƐƵƉƉŽƌƚƚŚĞǀĞŶƚƌƵŶĂƚϯĨƚ͘;Ϭ͘ϵŵͿŝŶƚĞƌǀĂůƐ
ǁŝƚŚŽǀĞƌŚĞĂĚŚĂŶŐĞƌƐ͘
ͻ dŚĞŵĂdžŝŵƵŵůĞŶŐƚŚŽĨĞdžŚĂƵƐƚǀĞŶƚƉŝƉŝŶŐŵƵƐƚŶŽƚĞdžĐĞĞĚϱϬĨƚ͘;ϭϱ͘ϮŵͿ;ĚĞĚƵĐƚŝŶŐϱĨƚ͘;ϭ͘ϱ
ŵͿĨŽƌĞĂĐŚĞůďŽǁƵƐĞĚŝŶƚŚĞǀĞŶƚŝŶŐƐLJƐƚĞŵͿ͘ŽŶŽƚƵƐĞŵŽƌĞƚŚĂŶϱĞůďŽǁƐ͘
-DIPswitch settings for Vent length-
For Indoor and direct-vent models
Vent type
Diameter
Max. No. of Elbows Max. Vertical and Horizontal (Total) Vent Length
/ŶƚĂŬĞ
ϯŝŶ͘;ϳϲŵŵͿ
5
ϱϬĨƚ͘;ϭϱ͘ϮŵͿ
džŚĂƵƐƚ
ϰŝŶ͘;ϭϬϮŵŵͿ
5
ϱϬĨƚ͘;ϭϱ͘ϮŵͿ
*For each elbow added, deduct 5 ft. (1.5m) from max. vent length.
No. of Elbows
Max. Vertical or Horizontal Vent Length
Ϭ
ϱϬĨƚ͘;ϭϱ͘ϮŵͿ
ϭ
ϰϱĨƚ͘;ϭϯ͘ϳŵͿ
Ϯ
ϰϬĨƚ͘;ϭϮ͘ϮŵͿ
5
ϮϱĨƚ͘;ϳ͘ϲŵͿ
džĐůƵĚĞƐĞůďŽǁƚĞƌŵŝŶĂƚŝŽŶ͕ƌĂŝŶĐĂƉƐ͕ŽƌƚŚĞϰŝŶ͘;ϭϬϮŵŵͿŽŶĐĞŶƚƌŝĐƚĞƌŵŝŶĂƚŝŽŶ
^Ğƚ/WƐǁŝƚĐŚĞƐƐŚŽǁŶŝŶƚŚĞƚĂďůĞďĞůŽǁĚĞƉĞŶĚŝŶŐŽŶƚŚĞǀĞŶƚůĞŶŐƚŚ͘
110U Indoor (T-KJr2U-IN)
310U Indoor (T-K4U-IN)
510U Indoor (T-D2U-IN)
(Upper bank of DIPswitches)
Vent length
EŽ͘ϲ͗KE
EŽ͘ϳ͗K&&
EŽ͘ϯ͗KE
EŽ͘ϰ͗K&&
0 to 7 ft
EŽ͘ϲ͗KE
EŽ͘ϳ͗KE
EŽ͘ϯ͗KE
EŽ͘ϰ͗KE
8 to 50 ft
(DEFAULT)
OFF
ON 1 2 3 4 5 6 7 8
OFF
ON 1 2 3 4 5 6 7 8
OFF
ON 1 2 3 4 5 6 7 8 9 10
OFF
ON 1 2 3 4 5 6 7 8 9 10
/ŶƐƚĂůůĂƟŽŶ
/ŶƐƚĂůůĂƟŽŶDĂŶƵĂů