Installation manual

Installation manual
13
E(D/B)(H/L)Q011~016AA6V3+W1
Unit for air to water heat pump system
4PW51121-1A
Overview
The illustration below gives an overview of the required field wiring
between several parts of the installation. Refer also to "Typical
application examples" on page 6.
Internal wiring - Parts table
Refer to the internal wiring diagram supplied with the unit (on the
inside of the switch box cover). The abbreviations used are listed
below.
Door 1 compressor compartment and electrical parts
V3 models only
A1P..................Main PCB
A2P..................Inverter PCB
A3P..................Noise filter PCB
A4P..................Main PCB
BS1~BS4.........Push button switch
C1~C4 .............Capacitor
DS1..................DIP switch
E1H..................Bottom plate heater
E1HC...............Crankcase heater
F1U,F3U,F4U ..Fuse 6.3 A T 250 V
F6U..................Fuse 5.0 T 250 V
F7U,F8U ..........Fuse 1.0 A F 250 V
F8U,F9U ..........Fuse 1.0 A F 250 V
H1P~H7P ........Orange LED service monitor (A2P)
H2P: prepare, test = flickering
H2P: malfunction detection = light up
HAP (A1P).......Green LED service monitor
K1R..................Magnetic relay (Y1S)
K4R..................Magnetic relay (E1HC)
K10R,K11R......Magnetic relay
L1R..................Reactor
M1C.................Motor (compressor)
M1F .................Motor (upper fan)
M2F .................Motor (lower fan)
PS....................Switching power supply
Q1DI ................Earth leakage protector (300 mA)
R1,R2 ..............Resistor
R1T..................Thermistor (air)
R2T..................Thermistor (discharge)
R3T..................Thermistor (suction)
R4T..................Thermistor (heat exchanger)
R5T..................Thermistor (heat exchanger middle)
R6T..................Thermistor (liquid)
R10T................Thermistor (fin)
RC ...................Signal receiver circuit
S1NPH.............Pressure sensor
S1PH ...............High pressure switch
TC....................Signal transmission circuit
V1R..................Power module
V2R,V3R..........Diode module
V1T..................IGBT
X1M .................Power supply terminal strip
X1Y..................Optional connector
Y1E..................Electronic expansion valve
Y1S..................Solenoid valve (4 way valve)
Z1C~Z3C.........Noise filter (ferrite core)
Z1F~Z3F..........Noise filter
W1 models only
A1P..................Main PCB
A2P..................Inverter PCB
A3P..................Noise filter PCB
BS1~BS4.........Push button switch
C1~C4 .............Capacitor
DS1..................DIP switch
E1HC...............Crankcase heater
F1U,F2U ..........Fuse 3.15 A T 250 V
A Single power supply for
unit, backup heater and
booster heater
F 3-way valve for domestic
hot water tank (field
supply, optional)
B Unit G 2-way valve for cooling
mode (field supply,
optional)
C Backup heater
D User interface H Domestic hot water tank
(optional)
E Room thermostat (field
supply, optional)
I Booster heater
(optional)
Item Description
AC/
DC
Required
number of
conductors
Maximum
running
current
1 Power supply cable for unit AC 2+GND (V3)
4+GND (W1)
(a)
(a) Refer to nameplate on outdoor unit
2 Power supply cable for backup
heater
AC 2+GND (V3)
3+GND (W1)
(b)
(b) See table under "Connection of the backup heater power supply" on page 15.
3 Room thermostat cable AC 3 or 4 100 mA
(c)
(c) Minimum cable section 0.75 mm
2
4 User interface cable DC 2 100 mA
(c)
5 3-way valve control cable AC 2+GND 100 mA
(c)
6 2-way valve control cable AC 2+GND 100 mA
(c)
7 Booster heater power supply
and thermal protection cable
AC 4+GND
(b)
8 Thermistor cable DC 2
(d)
(d) The thermistor and connection wire (12 m) are delivered with the domestic hot
water tank.
9 Booster heater power supply
cable
AC 2+GND 13 A
10 Benefit kWh rate power supply
cable (voltage free contact)
DC 2 100 mA
(c)
T
M
M
B
1
2
5
3
4
6
7
8
C
E
H
I
G
F
I
D
A910
1D_IM_4PW51121-1A.book Page 13 Tuesday, January 27, 2009 7:46 AM