Connecting The Components - Hatco CWBR Série Manuel D'installation Et D'utilisation

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Connecting the Components

Use the following procedure as a guideline for making the
connections between the components of the remote
refrigerated well system. These connections must be made by
trained and qualified installers and must comply with all local
plumbing and electrical codes. Refer to the SPECIFICaTIONS
section and the wiring diagram included with the unit for details
regarding the plumbing and electrical connections.
1. Connect the liquid and suction refrigerant lines between the
condensing unit, the TXV valve, and the refrigerated well
evaporator coil. Refer to the appropriate illustration below
and the SPECIFICaTIONS section for connection details.
NOTE: The maximum refrigerant line length between the
condensing unit and the evaporator coil is 50 feet (15 m).
NOTE: For refrigerant line connections, use a self-fluxing
brazing compound (example = Sil-Fos 5
temperature range of 1300–1500°F (704–816°C).
Liquid Connection
(3/8" O.D. tube)
Liquid Connection
(1/4" O.D. tube)
CWBR model Refrigerant Connections
Form No. CWBRm-0416
) at a brazing
®
Well
Suction Connection
Suction Connection
(3/8" O.D. tube)
(3/8" O.D. tube)
Fasten TXV bulb to
the suction side of
evaporator coil here.
TXV Bulb
TXV Valve
Condensing
Unit
Suction Connection
(3/8" O.D. tube)
Liquid Connection
(3/8" O.D. tube)
F r o m
C o n d
e n s i n
g
U n i t
Solenoid Valve
CWBX model Refrigerant Connections
2. Have a qualified electrician make the appropriate electrical
connections to the control panel. Refer to the wiring
diagram for details.
For CWBR models:
a. Connect the on-site power
supply through the power
input
knockout
POWER IN terminal block.
b. Connect power from the
POWER OUT
block, through the power
output knockout, to the
power
input
condensing unit.
c. Connect the temperature
probe
wire
refrigerated well, through
the probe wire inlet, to the digital temperature controller.
Temperature Probe
Wire Inlet
Power Output
(to condensing unit on
CWBR Models or solenoid
valve on CWBX Models)
Power Input
Control Panel Connections
9
INSTALLATION
Suction Connection
Suction Connection
(3/8" O.D. tube)
(3/8" O.D. tube)
T o C
U n i t
TXV Valve
to
the
terminal
on
the
from
the
Condensing Unit
Power Input
Digital Temperature
Controller
Terminal Blocks
Access Cover
Well
o n d e
n s i n g
continued...

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