High Pressure (Hp) Control; Low Pressure (Lp) Control; Discharge Pipe Temperature (Td) Control - Daikin VRV Inverter K Series Manual

SI-05C.BOOK Page 35 Monday, November 6, 2000 4:13 PM
SiE-05C
Step Down / Safety Control → Standby (Forced Thermostat OFF) → Stop Due
1.9
to Malfunction

High Pressure (Hp) Control

(Cooling)
Hp≥23.5kg/cm²
(2.303MPa)
Frequency 8, 10HP(5HP)
1 STEP DOWN 76Hz+OFF(48Hz)
(Heating)
Hp≥21.0kg/cm²
(2.058MPa)
30Hz+OFF(30Hz)

Low Pressure (Lp) Control

(Cooling)
Lp>2.0kg/cm²
(0.196MPa)
30Hz+OFF (30Hz)
Injection valve ON
(Heating)
R5T≤Te+10˚C
&
Lp<1.7kg/cm²
54 Hz + OFF (54Hz)
(0.167MPa)
as lower limit
116Hz+OFF(76Hz)
or
60Hz+ON(76Hz)

Discharge Pipe Temperature (Td) Control

<For Products Produced before July '99>
Td>105˚C
or
DSH>55˚C (DSH = Discharge Super Heating)
or
Td>90˚C&Lp<3kg/cm² (Control during cooling)
or (0.294MPa)
Td>90˚C&Lp<2kg/cm² (Control during heating)
(0.196MPa)
Injection valve ON
<For Products Produced after Aug. '99>
Td>105˚C
or
DSH>55˚C (DSH = Discharge Super Heating)
or
Td>90˚C&Lp<3kg/cm² (Control during cooling)
or (0.294MPa)
Td>90˚C&Lp<2kg/cm²
or (0.196MPa)
Td>90˚C&During high pressure control&Lp<3.5kg/cm²
Functions Inverter K Series
Hp≥24.0kg/cm²
(2.352MPa)
DSH>15˚C
& Lp<1.0kg/cm²
(0.098MPa)
Lp<1.2kg/cm²
(0.118MPa)
Hot gas bypass
valve ON
Lp<0.8kg/cm² Lp≥0.5kg/cm²
(0.078MPa) (0.049MPa)
Hot gas bypass
valve ON
Td≥135˚C
FREQUENCY
1~3 STEP DOWN
Td≥130˚C
u38Hz+OFF(38Hz): Both high
u106Hz+OFF(-): STD only high
( )
Control
u38Hz+ON(-): INV only high
during
heating
(0.343MPa)
Hp>25.0kg/cm²
(2.450MPa)
Forced OFF
by thermostat
Lp<0.3kg/cm²
(0.029MPa)
Forced OFF
by thermostat
Up to 2 times
in 30 minutes
Td≥135˚C
Forced thermostat OFF
Up to 2 times
in 100 minutes
Td>135˚C
Forced thermostat OFF
Up to 2 times
in 100 minutes
: http://splitoff.ru/tehn-doc.html
Functions
Hp>27.5kg/cm²
(2.695MPa)
E3 stop due
to malfunction
(VF001)
Lp<0kg/cm²
(0MPa)
E4 stop due
to malfunction
(VF002)
Td≥135˚C
F3 stop due
to malfunction
(VF003)
Td≥135˚C
F3 stop due
to malfunction
(VF005)
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