23
InStALLAtIon
Ideal airtherm - Air Source Heat Pump -
Installation
3
1
2
COLD
W
ATER T
ANK
HOT
W
ATER
COLD W
ATER
PRESSURE AND TEMPERA
TURE
RELIEF V
AL
VE
(IF FITTED)
TUNDISH (IF FITTED)
DHW THERMOST
AT
SET
T
O
60
O
C
DIFF SET
T
O 8
O
C
*T
O W
ASTE. W
ARNING CONSISTS OF
SCALDING W
ATER
AND STEAM.
DISCHARGE BELOW FIXED GRA
TING
IN
ACCORDANCE WITH BUILDING
REGULA
TIONS.
AMBIENT STAT
1
0
O
C
S
TAT 25
O
C
IF FITTED
A
A
X
A
AB
DWELLING HEA
TING
SYSTEM
3 POR
T SPRING RETURN DIVER
TER V
AL
VE
1
NOTE: IF ROOM HEA
TING IS VIA
RADIA
TORS RA
THER
THAN UNDERFLOOR HEA
TING
THEN V
AL
VE 2
AND
THE PIPE RUN X-X
ARE NOT
REQUIRED.
B
X
B
B
AIR
THERM 4.5 = 50 LITRES
AIR
THERM 9 = 100 LITRES
AIR
THERM 12 = 150 LITRES
IF FITTED (OPTIONAL)
AB
B
A
*2 POR
T SAFETY
CUT
OUT
V
AL
VE FITTED IN
INDIRECT
PRESSURISED CYLINDERS
PROGRAMMER
(e.g. DANFOSS FP175)
OUTSIDE SENSOR PAR
T OF WEA
THER
COMPENSA
TION UNIT
(IF FITTED)
JUNCTION BOX
FROST
ST
AT
WEA
THER
COMPENSA
TION
UNIT
(IF FITTED)
DWELLING ROOM THERMOST
AT
WITH
ON OFF SWITCH
EXP
ANSION VESSEL (IF FITTED)
EXP
ANSION
RELIEF V
AL
VE
(IF FITTED)
IMMERSION HEA
TER
WITH
THERMOST
ATIC CUT
OUT
THERMOST
AT
MANUAL
RESET
TO BE SET
A
T 65
O
C (IF FITTED)
DRAIN COCK
DHW T
ANK
A B
PUMP
AIR SOURCE HEA
T PUMP
BUFFER
TANK DIRECT
A
D
F
H
E
B
G
C
WIRED FOR
'DHW' PRIORITY
OR
'BOTH' PRIORITY (ACTS AS
BOILER)
HEA
TING FLOW
TEMPERA
TURE SENSOR.
PAR
T OF WEA
THER
COMPENSA
TION UNIT
(IF FITTED)
45
O
C
SEE NOTE
VAL
VE
THERMOST
ATIC FLOOR BYP
ASS V
AL
VE (IF REQUIRED)
SET
T
O
45
O
C
2
VAL
VE 'DEFROST' REQUIRED V
AL
VE' = DIVER
TER V
AL
VE
'AB'
TO 'B' = ROOM HEA
TING
ALLOWED
'AB'
TO 'A' = NO ROOM HEA
TING (DEFROST
SIGNAL
FROM HEA
T PUMP)
3
AT9643
SySteM DIAgRAMS -
Air Source Heat Pump Plumbing Circuits - W Plan
(example)
