Takagi T-D2U - Manual (Page 18)

ϭϴ
WĂŐĞ
GAS SUPPLY AND GAS PIPE SIZING
-General-
ͻ dŚĞŵŝŶŝŵƵŵĂŶĚŵĂdžŝŵƵŵŝŶůĞƚŐĂƐƉƌĞƐƐƵƌĞƐĂƌĞ͗
ͻ /ŶůĞƚ ŐĂƐ ƉƌĞƐƐƵƌĞƐ ƚŚĂƚ ĨĂůů ŽƵƚƐŝĚĞ ƚŚĞ ƌĂŶŐĞ ŽĨ ǀĂůƵĞƐ ůŝƐƚĞĚ ĂďŽǀĞ ŵĂLJ ĂĚǀĞƌƐĞůLJ ĂĨĨĞĐƚ ƚŚĞ
ƉĞƌĨŽƌŵĂŶĐĞ ŽĨ ƚŚĞ ǁĂƚĞƌ ŚĞĂƚĞƌ͘  dŚĞƐĞ ƉƌĞƐƐƵƌĞƐ ĂƌĞ ŵĞĂƐƵƌĞĚ ǁŚĞŶ ƚŚĞ ǁĂƚĞƌ ŚĞĂƚĞƌ ŝƐ ŝŶ ĨƵůů
ŽƉĞƌĂƚŝŽŶ͘
ͻ /ŶůĞƚŐĂƐƉƌĞƐƐƵƌĞŵƵƐƚŶŽƚĞdžĐĞĞĚƚŚĞĂďŽǀĞŵĂdžŝŵƵŵǀĂůƵĞƐ͖ŐĂƐƉƌĞƐƐƵƌĞĂďŽǀĞƚŚĞƐƉĞĐŝĨŝĞĚƌĂŶŐĞ
ǁŝůůĐĂƵƐĞĚĂŶŐĞƌŽƵƐŽƉĞƌĂƚŝŶŐĐŽŶĚŝƚŝŽŶƐĂŶĚĚĂŵĂŐĞƚŽƚŚĞƵŶŝƚ͘
ͻ hŶƚŝůƚĞƐƚŝŶŐŽĨƚŚĞŵĂŝŶŐĂƐůŝŶĞƐƵƉƉůLJƉƌĞƐƐƵƌĞŝƐĐŽŵƉůĞƚĞĚ͕ĞŶƐƵƌĞƚŚĞŐĂƐůŝŶĞƚŽƚŚĞǁĂƚĞƌŚĞĂƚĞƌ
ŝƐĚŝƐĐŽŶŶĞĐƚĞĚƚŽĂǀŽŝĚĂŶLJĚĂŵĂŐĞƚŽƚŚĞǁĂƚĞƌŚĞĂƚĞƌ͘
Ͳ'ĂƐĐŽŶŶĞĐƟŽŶƐͲ
ϭ͘ /ŶƐƚĂůůĂŵĂŶƵĂůŐĂƐƐŚƵƚŽĨĨǀĂůǀĞďĞƚǁĞĞŶƚŚĞǁĂƚĞƌŚĞĂƚĞƌĂŶĚƚŚĞŐĂƐƐƵƉƉůLJůŝŶĞ͘
Ϯ͘ tŚĞŶƚŚĞŐĂƐĐŽŶŶĞĐƚŝŽŶƐĂƌĞĐŽŵƉůĞƚĞĚ͕ŝƚŝƐŶĞĐĞƐƐĂƌLJƚŽƉĞƌĨŽƌŵĂŐĂƐůĞĂŬƚĞƐƚĞŝƚŚĞƌďLJĂƉƉůLJŝŶŐ
ƐŽĂƉLJǁĂƚĞƌƚŽĂůůŐĂƐĨŝƚƚŝŶŐƐĂŶĚŽďƐĞƌǀŝŶŐĨŽƌďƵďďůĞƐŽƌďLJƵƐŝŶŐĂŐĂƐůĞĂŬĚĞƚĞĐƚŝŽŶĚĞǀŝĐĞ͘
ͻ dŚĞǁĂƚĞƌŚĞĂƚĞƌĂŶĚŝƚƐŝŶĚŝǀŝĚƵĂůƐŚƵƚŽĨĨǀĂůǀĞŵƵƐƚďĞĚŝƐĐŽŶŶĞĐƚĞĚĨƌŽŵƚŚĞŐĂƐƐƵƉƉůLJ
ƉŝƉŝŶŐƐLJƐƚĞŵĚƵƌŝŶŐĂŶLJƉƌĞƐƐƵƌĞƚĞƐƚŝŶŐŽĨƚŚĂƚƐLJƐƚĞŵĂƚƚĞƐƚƉƌĞƐƐƵƌĞƐŝŶĞdžĐĞƐƐŽĨϭͬϮƉƐŝ
;ϯ͘ϱŬWĂͿ͘
ͻ dŚĞǁĂƚĞƌŚĞĂƚĞƌŵƵƐƚďĞŝƐŽůĂƚĞĚĨƌŽŵƚŚĞŐĂƐƐƵƉƉůLJƉŝƉŝŶŐƐLJƐƚĞŵďLJĐůŽƐŝŶŐŝƚƐŝŶĚŝǀŝĚƵĂů
ŵĂŶƵĂůƐŚƵƚŽĨĨǀĂůǀĞĚƵƌŝŶŐĂŶLJƉƌĞƐƐƵƌĞƚĞƐƚŝŶŐŽĨƚŚĞŐĂƐƐƵƉƉůLJƉŝƉŝŶŐƐLJƐƚĞŵĂƚƚĞƐƚ
ƉƌĞƐƐƵƌĞƐĞƋƵĂůƚŽŽƌůĞƐƐƚŚĂŶϭͬϮƉƐŝ;ϯ͘ϱŬWĂͿ͘
ϯ͘ ůǁĂLJƐƉƵƌŐĞƚŚĞŐĂƐůŝŶĞŽĨĂŶLJĚĞďƌŝƐĂŶĚͬŽƌǁĂƚĞƌďĞĨŽƌĞĐŽŶŶĞĐƚŝŶŐƚŽƚŚĞŐĂƐŝŶůĞƚ͘
^ŝnjĞƚŚĞŐĂƐƉŝƉĞĂƉƉƌŽƉƌŝĂƚĞůLJƚŽƐƵƉƉůLJƚŚĞŶĞĐĞƐƐĂƌLJǀŽůƵŵĞŽĨŐĂƐƌĞƋƵŝƌĞĚ
ĨŽƌƚŚĞǁĂƚĞƌŚĞĂƚĞƌƵƐŝŶŐE^/ϮϮϯ͘ϭͬE&WϱϰŝŶƚŚĞh^ŽƌEͬ^ϭϰϵ͘ϭŝŶ
ĂŶĂĚĂŽƌůŽĐĂůĐŽĚĞƐ͘KƚŚĞƌǁŝƐĞ͕ĨůŽǁĐĂƉĂďŝůŝƚŝĞƐĂŶĚŽƵƚƉƵƚƚĞŵƉĞƌĂƚƵƌĞƐǁŝůů
ďĞůŝŵŝƚĞĚ͘
NOTICE
Gas type Inlet gas pressure
EĂƚƵƌĂů'ĂƐ DŝŶ͘ϱ͘Ϭ͟t͘͘;ϭ͘ϮϰŬWĂͿʹDĂdž͘ϭϬ͘ϱ͟t͘͘;Ϯ͘ϲϭŬWĂͿ
ͻ Check that the type of gas matches the rating plate first.
ͻ Ensure that any and all gas regulators used are operating properly and
providing gas pressures within the specified range shown below. Excess gas
inlet pressure may cause serious accidents.
ͻ ŽŶǀĞƌƐŝŽŶ ŽĨ ƚŚŝƐ ƵŶŝƚ ĨƌŽŵ ŶĂƚƵƌĂů ŐĂƐ ƚŽ ƉƌŽƉĂŶĞ Žƌ ǀŝĐĞ ǀĞƌƐĂ ǁŝůů ǀŽŝĚ
Ăůů ǁĂƌƌĂŶƚLJ͘  ŽŶƚĂĐƚ LJŽƵƌ ůŽĐĂů ĚŝƐƚƌŝďƵƚŽƌ ƚŽ ŐĞƚ ƚŚĞ ĐŽƌƌĞĐƚ ƵŶŝƚ ĨŽƌ LJŽƵƌ
ŐĂƐ ƚLJƉĞ͘  The manufacturer is not liable for any property and/or personal
damage resulting from gas conversions͘
CAUTION
/ŶƐƚĂůůĂƟŽŶ
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