Daikin VRV IV+ Service Manual page 449

6.6 Safety devices
Wiring Component
symbol
T1A Current sensor
S1PH, High pressure
S2PH switch
S1NPH High pressure
sensor
S1NPL Low pressure
sensor
M1C, Compressor
M2C JT16KBVDYR@S
M1C, Compressor
M2C JT16KBVDYR@S
M1C, Compressor
M2C JT1GUVDYR@BA
M1C, Compressor
M2C JT1GUVDYR@BA
R21T, Discharge pipe
R22T thermistor
R15T Compressor body
thermistor
REYQ8~20+REMQ5U7Y1B
VRV IV+ Heat Recovery
ESIE18-15B – 2020.05
Description Trigger
Earth leakage T1A > 75 mA (± 25%)
protection
High pressure High pressure >4.0 MPa (+0.00,
protection -0.15)
Reset: high pressure <3.0 MPa
±0.15
High pressure High pressure >3.72 MPa
protection Retry 3 times in 40 minutes
High pressure >3.55 MPa in
cooling mode
Reset: High pressure <3.04 MPa
High pressure >3.04 MPa in
cooling mode
Reset: High pressure <2.89 MPa
High pressure >4.15 MPa (means
high pressure switch failed to
open)
Low pressure Low pressure <0.07 MPa
protection Retry 3 times in 60 minutes
Low pressure <0.35 MPa in cooling
mode
Reset: Low pressure >0.4 MPa
Low pressure <0.17 MPa in
heating mode
Reset: Low pressure >0.23 MPa
Low pressure <0.07 MPa
th
4
Current protection Current >28 A
Current protection When current >28 A, three times
in 60 minutes
Current protection When current >17 A
Current protection When current >17.6 A, three times
in 60 minutes
Overheat Temperature >135˚C for 2 times
protection within 100 minutes
Reset: Temperature <95˚C
Temperature >108˚C
Reset: Temperature <95˚C
Overheat Temperature >108˚C
protection
retry in 60 minutes
6 Technical data
|
Error Action type
E2 Drop control
E3 Forced stop
E3 Drop control
Drop control
Drop control
JA Forced stop
E4 Drop control
Drop control
Drop control
E4 Forced stop
Drop control
L8 Forced stop
Drop control
L8 Forced stop
F3 Forced stop
Drop control
Drop control
Service manual
449