Circuit Diagrams - Calorex VARIHEAT VH3 AA600 Manuel D'installation

2.6 CIRCUIT DIAGRAMS

ELECTRICAL CONTROL & POWER CIRCUIT 'AW' VERSION
PHASE ROTATION
FOR AW 1200 & 1500
L3
SEE BELOW
L2
L1
9
R12
6
16
MAINS
RCU
LAMP
15
57 TB:L
58 TB:N
TO REMOTE
DAMPER IF
FITTED.
N
L3
L2
L1
NOTES
'R' LETTER RELAY'S ARE 12v
'RE' LETTER RELAY'S ARE 230v
'P' LETTERS ARE CONNECTOR BLOCK PIN NUMBERS
15 = DIN RAIL MOUNTED TERMINAL BLOCK NUMBERS
D25 = 25 W AY ' D' PLUG PIN NUMBERS
2 IF REMOTE OCC/UNOCC FEATURE USED
a) FORCE TIME CLOCK TO 'UNOCCUPIED'
b) 10/11 N/O = 'UNOCCUPIED
c) 10/11 N/C = ' OCCUPIED'
VH3 MK II AW CIRCUIT
D459850 ISS 24
REMOTE ON/OFF
CONTROL
MCB
P7 P6
61
N/C
12v 12v
FUSE 1A
62
REM OTE DAMPER RELAY
FOR USE WITH FROST
PROTECTION KIT
(I F FITTED)
FKR1
7
B
A
4
D3
TO BOILER DEMAND
6
LPHW MICRO SWITCHES
AW 1200 & 1500 ONLY
CONTROL PHASE
MCB ROTATION
RELAY
7 11
N
TO
6 3
TRANSFORMER
5 1
CONTROL
CIRCUIT
BREAKER
2 A
COMPRESSOR
CONTACTOR
Aux NC
LINK FOR NORMAL RUN (BREAK TO STOP M/C)
12 13
ON/OFF
SWITCH
F1 2.5A
D1
F2 1A
D2
CONTROL
POWER LAMP
D 17
R14 8
11 OUT2
7
4
RISING
10
6
4
AIR
AI R/WATER
SWITCH
H G
D12
VOLT FREE
M/C
ON
PRIORITY
SWITCH
4 10
R8
28 D4
11
7
10
7
R 1
11
4
TER MI NALS
7
50
51
POW ER CIRCUIT SINGLE PHASE
L
CONTROL
CIR CUIT
RCU
BREAKER
2A
CIRCUIT
(4A WHEN
FRESH AIR
BREAKER
OPTI ON
5A
INSTALLED)
TO RCU RELAY
CONTROL CIRCUIT
N
FAN
1
CONTACTOR
2
23
L
FAN MOTOR
1 2 3
MODEL
N/C N/C N/C
AA/AW600AVHX(F)
4 5 6
AA/AW900AVHX(F)
N/O N/O N/O
AA/AW1200AVHX(F)
7 8 9
COM COM COM
10 11
COIL
STANDARD RELAY FORMAT
Page 18
ECONOMY SWITCH
N/C
PROBE
D6 P1 P2 D7
9 10 11
WATER
OU T1
STAT'
1
FALLING
5 2 3
R
D13
1
D14
9 3
R13
60m in
7 4
TIMER
COMP
14 13
AUX
N/O
10
9 8 7
R9
10
11
6 5 4
R2
11
8 9
POOL
10
7
PUMP
R10
13
11
14
4
48
D
A2
49
A1
COMPR ESSOR
FAN
CIRCUIT
CIRCUIT
BREAKER
BR EAKER
46
COMP
A1
1 3 5
3 5 13 A1 CONTACTOR
2 4 6
4 6 14 A2
A2
TIMER
17
24
19 V(S)
R U N
CAPACITOR
18
N
COMPRESSOR
FAN MCB 1 PHASE COMP MCB
'F' NON 'F' DEVI C E VALUE
4.6A 2.2A 11.5A
5.9A 17.9A
3.2A
9A 3.6A 23.9A
SD437350 ISSUE 22
01
02
03
OUT2
FALLING
21
D15
7
4
04
7
4
05
46
47
06
07
N
W(C)
U(R)