Calorex VARIHEAT VH3 AA600 Manuel D'installation page 21

2.6 ELEC CONTROL & POWER CIRCUIT 'AW' VERSION CONTINUED
01
02
03
PROBE
D8 P3 P4 D9
13 14 1 3
AIR
STAT'
OUT2
OUT1 OUT3
17
19 22
FALLING FALLING RISING
21 20 24 23
D15
7
R4
D16
4
04
R4
05
LPHW FROST PROTECTION
STAT OPENS ON LOW TEM P
(IF FITTED)
FAN
MOTOR
06
FRESH AIR BOX (IF FITTED)
07
N
POWER CIRCUIT 3 PHASE WITH SINGLE PHASE FAN
L3
L2
L1
CONTROL
CIRCU IT
RCU BR EAKER
2A
CIRCUI T
(4A WHEN
FRESH AIR
BREAKER
OPTION
INSTAL LED)
5A
TO RC U RELAY
CONTRO L CIRCUIT
N
FAN
CONTACTOR
MODEL
AA/AW600BVHX(F)
AA/AW900BVHX(F)
AA/AW1200BVHX(F)
REMOTE
OCC/UNOCC
NOT LINKED FOR NORMAL RUN SEE NOTE 2
10 11
TIME
CLOCK
NORTRONICS
<PALADIN>
5
<3>
3 8 9
OUT2
<2>
M
HUMIDITY
< 1>
1
4
4 STAT'
2
RISING
UNOCCU PIED
18 5 6
D5
D 18
1
10
4
R5
8
10 10
7
11
R4 R13
5
11
11 9
10
R4
R12
6
(RCU)
11
AUTO
LAMP
LINK IF STAT
NOT FITTED
MAX
2(4)
1(2)
45
P(1)
MIN
L 43
Lo
N
44
T.B.
DAMPER
EARTH
FAN
MOTOR
CAP
1 3 5
MAIN FAN
COMPRESSO R
CIRCUIT
MOT OR
BREAKER
STARTER
(MCB)
2 4 6
46
COMP
A1
1 3 5 13 A1 1 3 5
CONTACTOR
2 4 6 14 A2 2 4 6
A2
TIMER
23 24
17 18 19
S
L N
C R
FAN MOTOR
COM PRESSOR
FAN MCB 1 PHASE COMP MCB
'F' NON 'F' D EVICE VALUE
4.6A 2.2A
4.7A
5.9A 6.8A
3.2A
10.5A
9A 3.6A
LINK IF REMOTE CONTROL FITTED
D11 P5
D10 P6
R12
10- 11+
RCU
OUT1
N/O
DEHUM
1
4
RISING LAMP
2 3
D20
29
L
30
D23 D21
H
31
1
3 POSN CHANGEOVER
RE3
SWITCH CENTRE OFF
DAMPER FR ESH AIR BOX
N/C
D24
7
R3
3 1
4 10
D25
R6
9 7 11
D22
4 10
R7
7
11
POWER CIRCUIT 3 PHASE WITH 3 PHASE FAN
L3
L2
L1
1 3 5
CONTROL
CIR CU IT
BREAKER
MAIN FAN
RCU
2A
CIRCU IT
(4A WHEN
CIRCUIT
FRESH AIR BREAKER
OPTION
BREAKER
INSTALLED)
7A
2 4 6
TO RCU RELA Y CONTRO L
46
C IRCUIT
N
1 3 5 13
FAN
CONTACTOR
2 4 6 14
23 24 25
FAN MOTOR
FAN MCB
MODEL
'F'
AA/AW1500BVHX(F) 3.5A
Page 19
+
0-10VDC
P7
SUPPLY 12V
GRND 0V
-
AIR SENSOR R/H
TERMI NALS VARY
WI TH MANUF ACTURER
7
9
R2
N/O
FAN CONT'
6
32
C
FAN
HP A 7
33
RE1
CYCLE
SWITCH
H
230v
34
B
FAN COM'
4
1
C
LP
SWITCH
L
SOFT START
IF FITTED OR
LINK
RE3
35 36
10
4 1 9
37
3
7 41
6 40
11
DF
2 1
SOLENOID
DEFROST
VALVE
STAT
6
4 3
42
min 38
TIMER
39
RE4
9 7
B A
4
A2 A2
6 3 4
A 7
B
A1
A1
J I
VOLT FREE
MAIN FAN
RUNNING
54 52 53
A B
RCU SOL'
VALVES
1 3 5
COMPRESSOR
MOTOR
STARTER
(MCB)
2 4 6
COMP
A1
A1 1 3 5
CONTACTOR
A2 2 4 6
A2
17 18 19
TIMER
17 18 19
V(S)
U(R) W(C)
S
C R
COMPRESSOR
SANYO
COMPRESSOR
COMPRESSOR ONLY
COMP MCB
NON 'F' DEVICE VALUE
2.5A 14.4A
SD437350 ISSUE 22
55
1
4
56
8
1
5 2