![background image](http://html1.mh-extra.com/html/carrier/69nt40-489-100-series/69nt40-489-100-series_operation-and-service-manual_2563838035.webp)
T-305
11
2.2 REFRIGERATION SYSTEM DATA
a. Compressor/Motor
Assembly
Number of Cylinders
6
Model
06DR
CFM
41
Weight (Dry)
118 kg (260 lb)
Approved Oil
Castrol Icematic -- SW20
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
4.5 to 6.7
_
C (8 to 12
_
F)
c. Heater Termination Thermostat
Opens
54 (
¦
3)
_
C = 130 (
¦
5)
_
F
Closes
38 (
¦
4)
_
C = 100 (
¦
7)
_
F
d. High Pressure Switch
Cutout
25 (
¦
1.0) kg/cm
@
= 350 (
¦
10) psig
Cut-In
18 (
¦
0.7) kg/cm
@
= 250 (
¦
10) psig
e. Refrigerant Charge
Unit Configuration
Charge Requirements -- R-134a
2 row
condenser
3 row
condenser
4 row
condenser
Water-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
When replacing the following components (f.), (g.) and (h.) , refer to the installationinstructions includedwith
the replacement part for additional information.
f. Fusible Plug
Melting point
99
_
C = (210
_
F)
Torque
6.2 to 6.9 mkg (45 to 50 ft-lbs)
g. Sight Glass/Moisture Indicator
Torque
8.9 to 9.7 mkg (65 to 70 ft-lbs)
h. Rupture Disc
Bursts at
35
¦
5% kg/cm
@
= (500
¦
5% psig)
Torque
(P/N 14-00215-03)
1.4 to 2 mkg (10 to 15 ft-lbs)
Torque
(P/N 14-00215-04*)
6.2 to 6.9 mkg (45 to 50 ft-lbs)
i. Condenser Pressure
Transducer
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.
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.
j. Unit Weight
Refer to unit model number plate.
k. Water Pressure Switch
Cut-In
0.5
¦
0.2 kg/cm
@
(7
¦
3 psig)
Cutout
1.6
¦
0.4 kg/cm
@
(22
¦
5 psig)
l. 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.
Summary of Contents for 69NT40-489-100 Series
Page 2: ......
Page 4: ......
Page 14: ...Safety 10 T 305...
Page 28: ...4 T 305...
Page 40: ...16 T 305...
Page 50: ...26 T 305 Figure 12 Standard Configuration Report...
Page 112: ...88 T 305...
Page 164: ...140 T 305...
Page 167: ...143 T 305 Based on drawings 62 10526 Rev and 62 10736 Rev Figure 90 Electrical Schematic CA...
Page 174: ...150 T 305...