Carrier 69NT40-511-310 - Refrigeration System Data

T -296
2-7
2.2 REFRI GERATION SYSTEM DATA
Number of Cylinders 6
Model 06DR
CFM 41
a
C
o
m
p
r
e
s
s
o
r
/
M
o
t
o
r
Weight (Dry) 118kg(260lb)
a
.
C
o
m
p
r
e
s
s
o
r
/
M
o
t
o
r
Assembly
Approved Oil Mobil ST32
A
s
s
e
m
b
l
y
Oil Charge 3.6 liters (7.6 U.S. pints)
Oil Sight Glass
The oil level range, with the compressor off,
should be between the bottom and one-eighth
level of the sight glass.
b. Expansion Valve Superheat
Verify at --18 _C
(0 _F) container box
temperature
4.5to6.7_C(8to12_F)
c
H
e
a
t
e
r
T
e
r
m
i
n
a
t
i
o
n
T
h
e
r
m
o
s
t
a
t
Opens 54 (¦ 3) _C = 130 (¦ 5) _F
c.
H
eater
T
erm
i
nat
i
on
T
h
ermostat
Closes 38 (¦ 4) _C = 100 (¦ 7) _F
d
H
o
s
e
H
e
a
t
e
r
T
h
e
r
m
o
s
t
a
t
(
H
H
T
)
Opens 10 (¦ 3) _C=50 (¦ 3) _F
d
.
H
ose
H
eater
T
h
ermostat
(
H
H
T
)
Closes 1.67 (¦ 4) _C=35(¦ 5) _F
e. Hose Heater Safet
y
Thermostat
Opens 54 (¦ 3) _C = 130 (¦ 5) _F
e
.
H
o
s
e
H
e
a
t
e
r
S
a
f
e
t
y
T
h
e
r
m
o
s
t
a
t
(HST)
Closes 38 (¦ 4) _C = 100 (¦ 7) _F
f
H
i
g
h
P
r
e
s
s
u
r
e
S
w
i
t
c
h
(
H
P
S
)
Cutout 25 (¦ 1.0) kg/cm@ = 350 (¦ 10) psig
f
.
H
i
g
h
P
ressure
S
w
i
tc
h
(
H
P
S
)
Cut-In 18 (¦ 0.7) kg/cm@ = 250 (¦ 10) psig
Unit Configuration Charge Requirements -- R-134a
g. Refrigerant Charge
Unit Configuration
2row
condenser
3row
condenser
4row
condenser
W ater-Cooled
Condenser
4.5 kg
(9.0 lbs)
4.9 kg
(10.75 lbs)
5.2 kg
(11.5 lbs)
Receiver
3.7 kg
(8.3 lbs)
4.0 kg
(8.8 lbs)
4.9 kg
(10.8 lbs)
NOTE
W
h
e
n
r
e
p
l
a
c
i
n
g
t
h
e
f
o
l
l
o
w
i
n
g
c
o
m
p
o
n
e
n
t
s
(
h
)
(
i
)
a
n
d
(
j
)
r
e
f
e
r
t
o
t
h
e
i
n
s
t
a
l
l
a
t
i
o
n
i
n
s
t
r
u
c
t
i
o
n
s
i
n
c
l
u
d
e
d
w
i
t
h
t
h
e
W
h
en rep
l
ac
i
ng
t
h
e
f
o
l
l
ow
i
ng componen
t
s
(
h
.
)
,
(
i
.
)
an
d
(
j
.
)
,re
f
er
t
o
t
h
e
i
ns
t
a
l
l
a
t
i
on
i
ns
t
ruc
t
i
ons
i
nc
l
u
d
e
d
w
i
t
h
t
h
e
replacement part for additional information.
h
F
u
s
i
b
l
e
P
l
u
g
*
Melting point 99 _C = (210 _F)
h
.
F
us
i
b
l
e
P
l
ug
*
Torque* 6.2 to 6.9 mkg (45 to 50 ft-lbs)
i. Sight Glass/Moisture Indicator Torque 8.9 to 9.7 mkg (65 to 70 ft-lbs)
Bursts at 35 ¦ 5% kg/cm@ = (500 ¦ 5% psig)
j. Rupture Disc
Torque
(P/N 14-00215-03)
1.4to2mkg(10to15ft-lbs)
k. Condenser Pressure
Condenser Fan Starts
The condenser fan will start if the condenser
pressure is greater than 14.06 kg/cm@ (200
psig) OR the condenser fan is OFF for more
than 60 seconds.
k
.
C
o
n
d
e
n
s
e
r
P
r
e
s
s
u
r
e
T ransducer
Condenser Fan Stops
The condenser fan will stop if the condenser
pressure is less than 9.14 kg/cm@ (130 psig)
AND the condenser fan remains ON for at least
30 seconds.
l. Unit Weight Refer to unit model number plate.
m
W
a
t
e
r
P
r
e
s
s
u
r
e
S
w
i
t
c
h
Cut-In 0.5 ¦ 0.2 kg/cm@ (7 ¦ 3psig)
m.
W
ater
P
ressure
S
w
i
tc
h
Cutout 1.6 ¦ 0.4 kg/cm@ (22 ¦ 5psig)
n. Discharge Pressure Regulator Factory Setting 32.7 ¦ 2.5 kg/cm@ (72¦ 5.5 psig)
* Rupture Disc, part number 14--00215--04 may be installed as an alternate for the receiver mounted fusible plug.
Downloaded from ManualsNet.com search engine