85
Page
240 (T-H3J), 340 (T-H3S) and 540 (T-H3) models Service Manial
Ver. 1.00
CONFIDENTIAL
12-15. Manually adjusting the fan motor speed
Only
540 (T-H3)models
While the FM+ DIPswitch will automatically increase the fan speed by 6%, the fan motor speed on
the 540 (T-H3) models can also be manually adjusted. In order to perform manual adjustments to the
speed, a controller is required.
Adjusting maximum fan motor speed
ϭ͘tŚŝůĞǁĂƚĞƌŚĞĂƚĞƌŝƐŝŶŽƉĞƌĂƚŝŽŶ͕ƐĞƚ/WƐǁŝƚĐŚEŽ͘ϳŽŶƚŚĞƵƉƉĞƌďĂŶŬŽĨƚŚĞϱϰϬ;dͲ,ϯͿ
ĐŽŵƉƵƚĞƌďŽĂƌĚƚŽƚŚĞ͞KE͟ƉŽƐŝƚŝŽŶ͘;&ŝŐ͘ϭͿ
Ϯ͘KŶƚŚĞĐŽŶƚƌŽůůĞƌ͕ĚŝƐƉůĂLJŵŽĚĞηϯ;ĨĂŶŵŽƚŽƌƐƉĞĞĚͿďLJĞŶƚĞƌŝŶŐƚŚĞ͞ŝĂŐŶŽƐƚŝĐƐŵŽĚĞ͟;ZĞĨĞƌƚŽ
Section 12-1).
3. Press and hold down the
“MAX”
ďƵƚƚŽŶŽŶƚŚĞĐŽŵƉƵƚĞƌďŽĂƌĚ͘tŚŝůĞŚŽůĚŝŶŐĚŽǁŶƚŚĞ͞Dy͟
button, press either the
“Increase”
or
“Decrease”
ďƵƚƚŽŶƚŽŝŶĐƌĞĂƐĞŽƌĚĞĐƌĞĂƐĞƚŚĞĨĂŶŵŽƚŽƌ
ƐƉĞĞĚ͕ƌĞƐƉĞĐƚŝǀĞůLJ;&ŝŐ͘ϮͿ͘ZĞĨĞƌƚŽƚŚĞĐŽŶƚƌŽůůĞƌĚŝƐƉůĂLJƚŽǀĞƌŝĨLJƚŚĂƚƐƉĞĞĚŚĂƐďĞĞŶƐĞƚƚŽ
desired value.
ϰ͘ĨƚĞƌĨĂŶƐƉĞĞĚŚĂƐďĞĞŶƐĞƚ͕ƐĞƚ/WƐǁŝƚĐŚEŽ͘ϳŽŶƚŚĞƵƉƉĞƌďĂŶŬŽĨƚŚĞϱϰϬ;dͲ,ϯͿĐŽŵƉƵƚĞƌ
ďŽĂƌĚďĂĐŬƚŽƚŚĞ͞K&&͟ƉŽƐŝƚŝŽŶ͘
Adjusting minimum fan motor speed
ϭ͘tŚŝůĞǁĂƚĞƌŚĞĂƚĞƌŝƐŝŶŽƉĞƌĂƚŝŽŶ͕ƐĞƚ/WƐǁŝƚĐŚEŽ͘ϳŽŶƚŚĞƵƉƉĞƌďĂŶŬŽĨƚŚĞϱϰϬ;dͲ,ϯͿ
ĐŽŵƉƵƚĞƌďŽĂƌĚƚŽƚŚĞ͞KE͟ƉŽƐŝƚŝŽŶ͘;&ŝŐ͘ϭͿ
Ϯ͘KŶƚŚĞĐŽŶƚƌŽůůĞƌ͕ĚŝƐƉůĂLJŵŽĚĞηϯ;ĨĂŶŵŽƚŽƌƐƉĞĞĚͿďLJĞŶƚĞƌŝŶŐƚŚĞ͞ŝĂŐŶŽƐƚŝĐƐŵŽĚĞ͟;ZĞĨĞƌƚŽ
Section 12-1).
3. Press and hold down the
“MIN”
ďƵƚƚŽŶŽŶƚŚĞĐŽŵƉƵƚĞƌďŽĂƌĚ͘tŚŝůĞŚŽůĚŝŶŐĚŽǁŶƚŚĞ͞D/E͟
button, press either the
“Increase”
or
“Decrease”
ďƵƚƚŽŶƚŽŝŶĐƌĞĂƐĞŽƌĚĞĐƌĞĂƐĞƚŚĞĨĂŶŵŽƚŽƌ
ƐƉĞĞĚ͕ƌĞƐƉĞĐƚŝǀĞůLJ;&ŝŐ͘ϮͿ͘ZĞĨĞƌƚŽƚŚĞĐŽŶƚƌŽůůĞƌĚŝƐƉůĂLJƚŽǀĞƌŝĨLJƚŚĂƚƐƉĞĞĚŚĂƐďĞĞŶƐĞƚƚŽ
desired value.
ϰ͘ĨƚĞƌĨĂŶƐƉĞĞĚŚĂƐďĞĞŶƐĞƚ͕ƐĞƚ/WƐǁŝƚĐŚEŽ͘ϳŽŶƚŚĞƵƉƉĞƌďĂŶŬŽĨƚŚĞϱϰϬ;dͲ,ϯͿĐŽŵƉƵƚĞƌ
ďŽĂƌĚďĂĐŬƚŽƚŚĞ͞K&&͟ƉŽƐŝƚŝŽŶ͘
WARNING
DĂŶƵĂůůLJĂĚũƵƐƚŝŶŐƚŚĞĨĂŶŵŽƚŽƌƐƉĞĞĚŽĨƚŚĞϱϰϬ
(T-H3) models will change the
ĂŵŽƵŶƚŽĨŝŶƚĂŬĞĂŝƌĨŽƌĐŽŵďƵƐƚŝŽŶ͕ǁŚŝĐŚĐĂŶĐĂƵƐĞĞdžĐĞƐƐKĞŵŝƐƐŝŽŶĨƌŽŵ
ƚŚĞ ĞdžŚĂƵƐƚ ĐŚĂŵďĞƌ ŝĨ ƚŚĞ ĨĂŶ ŵŽƚŽƌ ƐƉĞĞĚ ŝƐ ƐĞƚ ŝŶĐŽƌƌĞĐƚůLJ͘ dŚĞƌĞĨŽƌĞ͕ ƚŚŝƐ
ƉƌŽĐĞĚƵƌĞƐŚŽƵůĚŶĞǀĞƌďĞƉĞƌĨŽƌŵĞĚƵŶůĞƐƐƚŚĞdĞĐŚŶŝĐĂů^ĞƌǀŝĐĞƐĞƉĂƌƚŵĞŶƚ
has given consent and authorization.
The dark square is the direction
the DIPswitch should be set to.
OFF
ON
1 2 3 4 5 6 7 8
DIPswitch setting on the 540 (T-H3) models
(Upper bank of DIPswitches)
540 (T-H3) models
computer board
D/EďƵƚƚŽŶ
DyďƵƚƚŽŶ
/ŶĐƌĞĂƐĞďƵƚƚŽŶ
Decrease button