25
|
Technical data
Installer and user reference guide
152
R R8T7V1B
VRV IV heat pump for indoor installation
4P499898-1A – 2020.10
X*Y
Connector
Y2E
Electronic expansion valve
Y1S
Solenoid valve (4‑way valve)
Z*C
Noise filter (ferrite core)
Z*F
Noise filter
25.3 Wiring diagram: Heat exchanger unit
The wiring diagram is delivered with the unit, located at the inside of the switch
box cover.
Symbols:
X1M
Main terminal
Earth wiring
15
Wire number 15
Field wire
Field cable
**
/12.2
Connection ** continues on page 12 column 2
1
Several wiring possibilities
Option
Not mounted in switch box
Wiring depending on model
PCB
Legend for wiring diagram 5+8 HP:
A1P
Printed circuit board (main)
A2P
Printed circuit board (adapter)
C1
Capacitor (A1P)
E1H
Drain pan heater (optional)
F1U
Fuse (F 1 A / 250 V) (optional)
F1U
Fuse (T 6.3 A / 250 V for PCB) (A1P)
HAP
Running LED (service monitor green) (A1P)
K1a
Auxiliary relay (optional)
M*F
Motor (fan)
Q1DI
Earth leakage circuit breaker (field supply)
PS
Switching power supply (A1P)
R1T
Thermistor (air)
R2T
Thermistor (gas)
R3T
Thermistor (coil)
Содержание VRV IV RKXYQ5T8Y1B Series
Страница 155: ......
Страница 156: ...4P499898 1A 2020 10 Copyright 2017 Daikin Verantwortung f r Energie und Umwelt...