Carrier 69NT40-541-001, Operation And Service

Page: 75 / 156

5–5 T-316
5.5 CONNECT REMOTE MONITORING RECEPTACLE
If remote monitoring is required, connect remote monitor plug at unit receptacle (See item9, Figure 3.6 ). When the
remote monitor plug is connected to the remote monitoring receptacle, the following remote circuits are energized:
5.6 STARTING AND STOPPING INSTRUCTIONS
WARNING
!
Make sure that the unit circuit breaker(s) (CB-1 & CB-2) and the START-STOP switch (ST) are in
the “O” (OFF) position before connecting to any electrical power source.
5.6.1 Starting the Unit
1. With power properly applied, the fresh air damper set and (if required) the water-cooled condenser con-
nected, (refer to Section 5.2 , 5.3 , & 5.4 ) place the START-STOP switch to “I” (ON).
2. Continue with Start Up Inspection, Section 5.7 .
5.6.2 Stopping the Unit
To stop the unit, place the START-STOP switch in position “0” (OFF).
5.7 START-UP INSPECTION
5.7.1 Physical Inspection
a. Check rotation of condenser and evaporator fans.
b. Check compressor oil level. (Refer to Section 5.7 .)
5.7.2 Check Controller Function Codes
Check and, if required, reset controller Function Codes (Cd27 through Cd39) in accordance with desired operating
parameters. Refer to
Section 4.2.2 .
5.7.3 Start Temperature Recorder
Partlow Recorders
a. Open recorder door and wind mechanical clock or check battery of electronic recorder. Be sure key is
returned to storage clip of mechanical recorder.
b. Lift stylus (pen) by pulling the marking tip outward until the stylus arm snaps into it's retracted position.
c. Install new chart making sure chart is under the four corner tabs. Lower the stylus until it has made contact
with the chart. Close and secure door.
CIRCUIT FUNCTION
Sockets B to A Energizes remote cool light
Sockets C to A Energizes remote defrost light
Sockets D to A Energizes remote in-range light