508219-01
Issue 2132
Page 38 of 43
TO LIQUID
LINE SERVICE
VALVE
TEMPERATURE
SENSOR
DIGITAL SCALE
REFRIGERANT TANK
TEMPERATURE SENSOR
(LIQUID LINE)
MANIFOLD GAUGE SET
A
Close manifold gauge set valves and connect the
center hose to a cylinder of HFC-410A. Set for
liquid phase charging.
B
Connect the manifold gauge set's low pressure
side to the suction line service port.
C
Connect the manifold gauge set's high pressure
side to the liquid line service port.
D
Position temperature sensor on liquid line near
liquid line service port.
OUTDOOR UNIT
CHARGE IN
LIQUID PHASE
CONNECTIONS FOR TESTING AND CHARGING
GAUGE SET
A
C
D
LOW
HIGH
B
SUCTION LINE
SERVICE PORT
CONNECTION
Servicing Units Void of Charge
If the outdoor unit is void of refrigerant, clean the system
using the procedure described below.
1.
Leak check system using procedure outlined on Page
2.
Evacuate the system using procedure outlined on
3.
Use nitrogen to break the vacuum and install a new
filter drier in the system.
4.
Evacuate the system again using procedure outlined
5.
Weigh in refrigerant. Refer to data plate and line set
length for proper charge.
System Refrigerant
This section outlines procedures for:
1.
Connecting gauge set for testing and charging;
2.
Checking and adjusting indoor airflow;
3.
Adding or removing refrigerant.
Summary of Contents for 4SCU14LB
Page 34: ...508219 01 Issue 2132 Page 34 of 43 Wiring Diagram Figure 13 A C Single Phase Wiring Diagram ...
Page 35: ...508219 01 Issue 2132 Page 35 of 43 Figure 14 A C Single Phase Wiring Diagram 59 model only ...
Page 36: ...508219 01 Issue 2132 Page 36 of 43 Figure 15 3 Phase 208 230 Volt ...
Page 37: ...508219 01 Issue 2132 Page 37 of 43 Figure 16 3 Phase 460 Volt ...
Page 41: ...508219 01 Issue 2132 Page 41 of 43 Charge Labels Figure 17 4SCU16LE 4SCU14LB 50 ...
Page 42: ...508219 01 Issue 2132 Page 42 of 43 Figure 18 4SCU14LE LB 4 thru 7 ...
