035-20209-000-A-0904
2
Unitary Products Group
1.
Disconnect all electrical power to the unit.
2.
Remove the condensing unit control box access
panel.
3.
Install the VLT6000 enclosure with the provided
screws. Mounting holes are pre-punched in the top
rails to locate the enclosure near the condensing
unit control box. See Figure 7.
4.
Attach the pressure transducers to the connection
tee (provided in accessory). The pressure trans-
ducer has a ¼ In. SAE female flare with Schrader
valve depressor for mounting to the tee.
See Figure 2.
•
Hand thread the transducer to the tee.
•
Tighten and secure the connection.
•
Remove the Schrader valve cap from the dis-
charge line port (provided).
•
Hand thread the tee to the discharge line port.
•
Tighten and secure the connection, making sure
the transducer is mounted vertically. See Figure
3.
•
Perform a leak test on fittings and connections
before putting the system into operation.
NOTE:
This procedure must be repeated for each sys-
tem.
5.
Attach wiring harness assembly plug to transducer.
See Figure 4. Route sensor wires back to VLT6000
enclosure.
6.
Remove VLT6000 enclosure lid.
7.
Pass wires through the bushing (provided), using
knock out located in the bottom of the VLT6000
enclosure.
8.
Access the VLT6000 control terminal blocks. See
Figure 6.
9.
Remove the terminal access cover. See Figure 5.
Before installing accessory read all of this installation
instruction.
FIGURE 2 - PRESSURE TRANSDUCER
Do not remove the plastic plugs from the transducers
until they are ready to be installed.
INSERT WIRING
HARNESS PLUG
¼ In. SAE FEMALE FITTING
WITH SCHRADER VALVE DEPRESSOR
FIGURE 3 - PRESSURE TRANSDUCER MOUNTING
FIGURE 4 - WIRE HARNESS ASSEMBLY
MOUNT
TRANSDUCER
VERTICALLY
TEE
TO
DISCHARGE
LINE
PORT
MOUNT
TRANSDUCER
VERTICALLY
TO DISCHARGE
LINE PORT
RED WIRE = 10.0 VDC SUPPLY
BLACK WIRE = COMMON
WHITE WIRE = OUTPUT
