SiBE37-701_B
Function General
Function
104
1. Function General
1.1
Symbol
Symbol
Electric symbol
Description or function
REYQ8~16P REMQ8~16P
20SA
Y2S (Heat
exchanger1)
Y3S
Four way valve (Heat exchanger switch)
Y9S (Heat
exchanger2)
20SB
Y8S
Y2S
Four way valve (High/low pressure gas pipe switch)
DSH
–
–
Discharge pipe superheated degree
DSHi
–
–
Discharge pipe superheat of inverter compressor
DSHs
–
–
Discharge pipe superheat of standard compressor
EV
–
–
Opening of electronic expansion valve
EVM
Y1E (Main1)
Y1E
Electronic expansion valve for main heat exchanger
Y3E (Main2)
EVT
Y2E
(Subcooling1)
Y3E
Electronic expansion valve for subcooling heat exchanger
Y5E
(Subcooling2)
EVJ
Y4E
Y2E
Electronic expansion valve at the refrigerant charge port
HTDi
–
–
Value of INV compressor discharge pipe temperature compensated with outdoor
air temperature
HTDs
–
–
Value of STD compressor discharge pipe temperature compensated with outdoor
air temperature
Pc
S1NPH
S1NPH
Value detected by high pressure sensor
Pe
S2NPL
S2NPL
Value detected by low pressure sensor
SH
–
–
Evaporator outlet superheat
SHS
–
–
Target evaporator outlet superheat
SVE
Y5S
(Bypass1)
Y6S
Main bypass solenoid valve
Y10S
(Bypass2)
SVP
Y4S
Y5S
Solenoid valve for hot gas
SVL
Y3S
Y4S
Refrigerant regulator liquid pipe solenoid valve
SVG
Y1S
Y1S
Refrigerant regulator gas pipe solenoid valve
SVO
Y7S
Y7S
Refrigerant regulator discharge pipe solenoid valve
SVT
Y6S
Y8S
Refrigerant regulator discharge pipe solenoid valve
Summary of Contents for REYQ8-48PY1B
Page 1: ...Service Manual REYQ8 48PY1B R 410A Heat Recovery 50Hz SiBE37 701_B ...
Page 456: ...Piping Installation Point SiBE37 701_B 445 Appendix ...
Page 460: ...Example of connection SiBE37 701_B 449 Appendix ...
Page 476: ...Revision History Date News No Contents 2010 9 10 M 10011 Correction of service manual ...