Hussmann Ingersoll Rand, User Manual

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Hussmann Aftermarket 1/13/06 Page 16 of 19
1
L1
M
L
A
240V
C 2
L2
Oil
Alarm
2
Compressor
On - Off
Rack Controller
Output Point
High Pressure
Control
Low Pressure
Control
Compressor
Contactor
Sentronic
Oil Failure Control
Switch
Current Sensing Relay
Figure 35. Copeland Sentronic Oil Control
1
L 1
C
2
L 2
O v e rlo a d
A la rm
2
C o m p re sso r
O n - O ff
R a ck C o n tro lle r
O u tp u t P o in t
H ig h P re ssu re
C o n tro l
L o w P re ss u re
C o n tro l
C o m p re s so r
C o n ta cto r
L N 12 14 11 24 21 1 2
Bla
ck
Bro
w
n
Gre
en
Ora
nge
Red
24
V P
ow
er
Neu
tr
al
O.L
. A
la
rm
Con
tr
ol
O
ut
Cont
rol
In
Rel
ay
2
I
n
Re
lay
2
Ou
t
Hea
te
r
Hea
te
r
Ru
n S
ig
nal
Ru
n S
ig
nal
W
in
din
g
Gro
un
d
Oil
P
ow
er
Oil Alarm
L3
L2
L1
Terminal
Block
In Stator Box
Thermistor
Terminals
Compressor Terminals
Temp
Sensor
INT 69/70
Motor Protector
and Oil Control
BR
BL
OR
RD
Field Installed Wire
Reset Switch (N.C.)
Momentary Contact
Secondary
24V
Primary
120/220V
3 Amp
Fuse
220V
2 4 V o lt T ra n s fo rm er
5 0 V A
1
Figure 36. Retrofit With INT 69/70 Overload Module With Oil Control