Daikin VRV 5 RXYA8A7Y1B Installation And Operation Manual page 63

R6T Thermistor (subcool heat exchanger gas)
R7T Thermistor (subcool heat exchanger liquid)
R8T Thermistor (heat exchanger, gas upper)
R9T Thermistor (heat exchanger, gas lower)
R10T Thermistor (suction)
R11T Thermistor (heat exchanger, de-icer)
R12T Thermistor (suction compressor)
R13T Thermistor (receiver gas)
R15T Thermistor (M1C body)
R16T (5~12 HP Thermistor (gas injection)
only)
R21T Thermistor (M1C discharge)
S1NPH High pressure sensor
S1NPL Low pressure sensor
S1PH High pressure switch
S2PH High pressure switch
SEG1~SEG3 7-segment display
(A1P)
SFB Mechanical ventilation error input
T1A Current sensor
X*A Connector
X*M Terminal strip
Y1E Electronic expansion valve (heat exchanger upper)
Y2E Electronic expansion valve (subcool heat
exchanger)
Y3E Electronic expansion valve (heat exchanger lower)
Y4E Electronic expansion valve (receiver gas)
Y5E Electronic expansion valve (inverter cooling)
Y7E (14~20 HP Electronic expansion valve (liquid injection)
only)
Y2S Solenoid valve (liquid pipe)
Y3S Solenoid valve (high pressure/low pressure gas
pipe)
Y4S Solenoid valve (heat exchanger lower)
Y5S Solenoid valve (heat exchanger upper)
Y8S (5~12 HP Solenoid valve (gas injection)
only)
Y10S Solenoid valve (accu oil return)
Y11S Solenoid valve (M1C oil return)
Y13S Error operation output (SVEO)
Y14S Leak sensor output (SVS)
Z*C Noise filter (ferrite core)
RYMA5+RXYA8~20A7Y1B
VRV 5 heat pump
4P739915-1 – 2023.12
25 Glossary
Dealer
Sales distributor for the product.
Authorised installer
Technical skilled person who is qualified to install the
product.
User
Person who is owner of the product and/or operates the
product.
Applicable legislation
All international, European, national and local directives,
laws, regulations and/or codes that are relevant and
applicable for a certain product or domain.
Service company
Qualified company which can perform or coordinate the
required service to the product.
Installation manual
Instruction manual specified for a certain product or
application, explaining how to install, configure and maintain
it.
Operation manual
Instruction manual specified for a certain product or
application, explaining how to operate it.
Maintenance instructions
Instruction manual specified for a certain product or
application, which explains (if relevant) how to install,
configure, operate and/or
application.
Accessories
Labels, manuals, information sheets and equipment that are
delivered with the product and that need to be installed
according to the instructions
documentation.
Optional equipment
Equipment made or approved by Daikin that can be
combined with the product according to the instructions in
the accompanying documentation.
Field supply
Equipment NOT made by Daikin that can be combined with
the product according
accompanying documentation.
25 Glossary
maintain the product or
in the accompanying
to the instructions in the
Installation and operation manual
63