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ALL CONTACTS SHOWN IN DE-ENERGISED STATE BUT WITH REFRIGERATION CIRCUIT FULLY CHARGED
CONDENSATE / SUMP TANK IN AN EMPTY STATE .
WHERE CONTACTS ARE MARKED (N/O) OR (N/C) ON CIRCUIT DIAGRAM ABOVE CONDITIONS APPLY
N
4
(N/O)
7
(COM)
1
(N/C)
(N/C)
3
9
(COM)
(N/O)
6
(COOL)
(FAN ONLY)
HEX SKT
HEX SKT
(BREAKS TO 'L' ON PRESSURE RI S ING)
(BREAKS TO 'H' ON PRESSURE FALLI N G)
L
BL
HARD START
CAPACITOR
BL
[C3]
FLY LEADS
BL
BL 1.5
COMP RUN
BL 1.5
CAPACITOR
BL
[C1]
P 1.5
G/Y 1.5
BASE EARTH
PLUG
G/Y
BR
B
MAINS LEAD
COMPRESSOR
[MC]
P 1.5
S
BL 1.5
R
R 1.5
C
G/Y 1.5
TFL
TANK FULL LAMP
FS1
FLOAT SWITCH HIGH LEVEL
FS2
FLOAT SWITCH LOW LEVEL
DL
DEFROST LAMP
CL
CHILL LAMP
RL
MAINS (OR RUN) LAMP
HPL
HIGH PRESSURE FAULT LAMP
LPL
LOW PRESSURE FAULT LAMP
F1
CONTROL FUSE
F2
CONDENSATE FUSE
B
CONTACTOR
FT
DEFROST THERMOSTAT
S1
FAN MODE SWITCH
S2
FAN SPEED SWITCH
Page 16
LP SWITCH
LP LAMP
HP LAMP
[LP]
[LPL]
C
R 0.5
B 0.5
H
L
TANK
FULL LAMP
[TFL]
B 0.5
GR/B 0.5
G/Y 1.0
G/Y 1.0
G/Y 1.5
G/Y 1.0
G/Y 1.5
G/Y 1.0
G/Y 1.0
G/Y 1.5
EARTH STUD
TERM BLOCK
G/Y 1.5
BR 1.5
B 1.5
FAN
LOOM
S3
FAN SPEED SWITCH (DUCTED)
HP
HIGH PRESSURE SWITCH
LP
LOW PRESSURE SWITCH
D
DELAY TIMER
K
RELAY
MC
COMPRESSOR MOTOR
MV
FAN MOTOR
C1
COMPRESSOR CAPACITOR
C2
FAN CAPACITOR
C3
HARD START CAPACITOR
Y
SOLENOID VALVE
AT
AIR THERMOSTAT
MP
CONDENSATE PUMP
HP SWITCH
[HP]
[HPL]
P 0.5
C
H
W/R 0.5
L
(2)
R 0.5
R/BR 0.5
(1)
BL 0.5
(3)
2 POSN
SWITCH [S3]
FAN SPEED - DUCT
Alarm
V+ IN
GND
O NC
N
L
T acho
SIGNAL
SUPPLY
FAN MOTOR
[MV]
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