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SK2014โSONโ002โTechMnlโFMCDโ003
C.1.5. Control๎Logics๎for๎2โPipe๎System๎
C.1.5.1. With๎Thermoelectric๎Valve๎Configuration๎
COOL๎MODE๎
๎
a) ๎ MTV2,๎AUX1๎and๎electric๎heater๎are๎always๎off.๎
b) If๎Tr๎โฅ๎Ts๎+๎1ยบC๎(or๎+๎4ยบC๎if๎economy๎contact๎is๎activated),๎then๎cool๎operation๎is๎activated๎and๎MTV1๎and๎
AUX2๎are๎turned๎on.๎Indoor๎fan๎runs๎at๎set๎speed.๎
c) ๎ If๎
Tr๎<๎Ts,๎ then๎cool๎operation๎is๎terminated๎and๎MTV1๎and๎AUX2๎are๎turned๎off.๎Indoor๎fan๎runs๎at๎set๎
speed.๎
d) The๎range๎of๎Ts๎is๎16๎โ๎30ยบC๎
e) ๎ Indoor๎fan๎speed๎can๎be๎adjusted๎to๎low,๎medium,๎high๎and๎auto.๎
f) ๎ When๎turned๎on,๎MTV1๎requires๎30๎seconds
๎before๎it๎is๎fully๎open.๎
g) ๎ When๎turned๎off,๎MTV1๎requires๎120๎seconds๎before๎it๎is๎fully๎closed.๎
h) When๎the๎unit๎is๎turned๎off,๎the๎indoor๎fan๎will๎shut๎down๎after๎5๎seconds.๎
๎
๎
LOW๎TEMPERATURE๎PROTECTION๎OF๎INDOOR๎COIL๎
๎
a) ๎ If๎Ti1๎โค๎2๎ยบC๎for๎2๎minutes,
๎then๎MTV1๎and๎AUX2๎are๎turned๎off.๎If๎indoor๎fan๎is๎set๎for๎low๎speed,๎then๎it๎
will๎ run๎ at๎ medium๎ speed.๎ If๎ it๎ is๎ set๎ at๎ medium๎ or๎ high๎ speed,๎ then๎ it๎ will๎ keep๎ running๎ at๎ the๎ same๎
speed.๎
b) If๎Ti1๎โฅ๎5ยบC๎for๎2๎minutes,๎then๎MTV1๎and๎
AUX2๎are๎turned๎on.๎Indoor๎fan๎runs๎at๎set๎speed.๎
๎
FAN๎MODE๎
๎
a) ๎ Indoor๎fan๎runs๎at๎the๎set๎speed๎while๎heater,๎MTV1,๎MTV2,๎AUX1๎and๎AUX2๎are๎turned๎off.๎
b)๎ Indoor๎fan๎speed๎can๎be๎adjusted๎to๎low,๎medium๎and๎high.๎
๎
๎
HEAT๎MODE๎
Without๎Electrical๎Heater๎
a) ๎ MTV2,๎AUX2๎and๎electric๎heater๎are๎always๎off.๎
b) ๎ If๎Tr๎โค๎Ts๎โ๎1๎ยบC๎(or๎โ๎4ยบC๎if๎economy๎contact๎is๎activated),๎then๎heat๎operation๎is๎activated๎and๎MTV1๎and๎
AUX1๎are๎turned๎on.๎Indoor๎fan๎runs๎at๎the๎set๎speed.๎
c) ๎ If๎ Tr๎ >๎ Ts,๎ then๎ heat๎ operation๎
is๎ terminated๎ and๎ MTV1๎ and๎ AUX1๎ are๎ turned๎ off.๎ Indoor๎ fan๎ runs๎ at๎
200rpm.๎
d) ๎ The๎range๎of๎Ts๎is๎16๎โ๎30ยบC.๎
e) ๎ Indoor๎fan๎speed๎can๎be๎adjusted๎to๎low,๎medium,๎high๎and๎auto.๎
f) ๎ When๎turned๎on,๎MTV1๎requires๎30๎seconds๎before๎it๎is๎fully๎open.๎
g)
๎ When๎turned๎off,๎MTV1๎requires๎120๎seconds๎before๎it๎is๎fully๎closed.๎
๎
With๎Electrical๎Heater๎as๎Booster๎
๎
a) ๎ MTV2๎and๎AUX2๎are๎always๎off.๎
b) ๎ If๎ Tr๎โค๎Ts๎โ๎1ยบC๎ (or๎โ๎4ยบC๎ if๎economy๎ contact๎is๎ activated),๎then๎ heat๎operation๎ is๎activated๎ and๎MTV1๎
and๎AUX1๎are๎turned๎on.๎Indoor๎fan๎runs๎at๎the๎set๎speed.๎
c) ๎ If๎ Tr๎ >๎ Ts,๎ then๎ heat๎ operation๎ is๎ terminated๎ and๎
MTV1๎ and๎ AUX1๎are๎ turned๎ off.๎ Indoor๎ fan๎ runs๎ at๎
200rpm๎
d) ๎ If๎ Ti1๎ <๎ 40ยบC,๎ then๎ the๎electrical๎ heater๎ is๎ turned๎ on.๎ If๎ 40ยบC๎โค๎Ti1๎ <๎ 45ยบC,๎ then๎ the๎ electrical๎heater๎
maintains๎its๎original๎state.๎If๎Ti1๎โฅ๎45ยบC,๎then๎the๎electrical๎heater๎is๎turned๎off.๎
e) ๎ The๎range๎of
๎Ts๎is๎16๎โ๎30ยบC๎
f) ๎ Indoor๎fan๎speed๎can๎be๎adjusted๎to๎low,๎medium,๎high๎and๎auto.๎
g) ๎ When๎turned๎on,๎MTV1๎requires๎30๎seconds๎before๎it๎is๎fully๎open.๎
h) ๎ When๎turned๎off,๎MTV1๎requires๎120๎seconds๎before๎it๎is๎fully๎closed.๎
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