24
InStALLAtIon
Ideal airtherm - Air Source Heat Pump -
Installation
SySteM DIAgRAMS -
external Wiring with terminal Junction Box - W Plan
230/240V ~ 1N
SWITCHED FUSED SUPPLY
4505 = 15A/16A MCB TYPE C
9005 = 32A/32A MCB TYPE C
12005 = 40A/40A MCB TYPE C
SEE NOTE 6
NOTES
1 MAXIMUM RATING OF CONTACTS FOR PUMP 1A. IF OVER 1A RELAY WILL NEED TO BE FITTED.
2 AIR SOURCE HEAT PUMP TERMINAL 8 IS CONTROL LIVE TEST TERMINAL.
3 ALL VALVES TO BE SPRING RETURN TYPE.
4 ALL EXERNAL EQUIPMENT TO BE FUSED TO MANUFACTURERS RECOMMENDED FUSE SIZES.
5 MIN CABLE REQUIREMENTS 3 CORE MAINS CABLE, 12 CORE CONTROL CABLE
6 ASSOCIATED EXTERNAL EQUIPMENT AND MACHINE TO BE WIRED FROM SAME CONSUMER
UNIT AND TAKEN FROM THE SAME PHASE AND NEUTRAL INCOMING SUPPLY.
8
L
6
10
1
2
3
5
7
9
4
6
9
10
1
2
3
5
7
8
4
1
6
19
11
12 13
15
17 18
14
4
N
L
1
3
2
L
N
DOMESTIC
HOT WATER
THERMOSTAT
PROGRAMMER
TERMINAL
JUNCTION
BOX
AIR SOURCE HEAT PUMP INTERNAL TERMINALS
N
E
N
L
E
N
L
N
E
L
L
L
L
L
HW
CH
L
N
E
L
L
N
E
L
L
L
N
E
L
N
HIGH LEVEL
MANUAL RESET
THERMOSTAT HIGH
PRESSURE
CYLINDER ONLY
R
EQ
U
IR
ED
O
N
LY
IF
H
IG
H
LEV
EL
ST
AT
N
O
T FI
TTE
D
12
11
L
L
HOT WATER AND
HEATING
LINK MUST NOT
BE FITTED
CYLINDER
VALVE
HIGH PRESSURE
CYLINDERS ONLY
R
O
O
M
H
EAT
IN
G
(N
O
T U
SED
)
BYPASS
R
O
O
M
H
EAT
IN
G
FROST
STAT
21
20
L
M
SINGLE PHASE
PUMP
FIXED SPEED
SEE NOTE 1
13
L
15
14
L
L
BUFFER TANK
STAT MAKE ON
BELOW
TEMPERATURE
AMBIENT STAT
MAKE ON
BELOW
TEMPERATURE
30
L
FUSE
SEE
N
O
T
E
2
HONEYWELL V4044
SPRING RETURN
3 PORT DIVERTER
VALVE
GRN
/Y
EL
BROW
N
BLUE
WEATHER
COMPENSATION
UNIT
(OPTIONAL)
F4
K4
REMOVE LINK
IF WEATHER
COMPENSATION
UNIT FITTED
22
L
3 PORT VALVE
HONEYWELL
V4044
ROOM HEATING
24
L
N
SEE
NOTE 4
23
L
33
L
32
L
L
25
24
L
26
N
27
E
L
N
E
L
N
230/240V ~ 1N
FUSED SUPPLY
SEE NOTE 6
2 CORE
CABLE
SWITCH
FUSE SPUR
MAX 30A
SEE NOTE 4
IMMERSION
HEATER
ROOM
THERMOSTAT
IDEAL W PLAN
GUIDE ONLY
AT9647
7 WHEN FITTING BUFFER TANK THERMOSTATIC IMMERSION HEATING,
THE IMMERSION THERMOSTAT MUST BE WIRED SO THAT IT CUTS OUT ON OVER TEMPERATURE,
MAX SETTING 55ºc
