Service manual

INSTALLATION Cont
1. Make all connections: C02 gas, plain water .
2. Place CR-UC2 in position. Make sure sufficient space between bulkheads, walls and
overheads is available for proper air circulation around cooling unit.
INSTALL HIGH PRESSURE C02 REGULATOR, C02 CYLINDER AND LINES
1. Install high pressure C02 regulator (CR-3741), on C02 cylinder using a new seal
gasket.
MAKE SURE NEW WASHER IS INSIDE REGULATOR ASSEMBLIES COUPLING NUT
BEFORE CONNECTING TO CYLINDER.
WARNING-: To avoid personal injury and/or property damage, always secure C02
cylinder with safety chain to prevent cylinder from falling. It is recommended that
the C02 cylinder be installed away from heavily traveled areas such as doors,
passageways, corridors, etc.
2. Connect 1/4" inner braided plastic tubing from outlet of high pressure C02 regulator,
(S-101), on C02 cylinder to Tee connection at low pressure regulator, (S-221), using
prefabricated gas charging line, (S-105).
3. A line must be fabricated at this time. Cut inner braid tubing to size and install
nipple, (S-145), and nut, (S-150), to each end of tubing making sure either oetiker or
ferrule is previously installed on line. Secure these connections by use of proper
tool. Connect ¼“, inner braid plastic tubing from outlet of tee at low-pressure
regulator, (S-221), (optional furnished with unit), to supplied line from unit marked
gas.
HIGH PRESSURE C02 REGULATOR SECONDARY PRESSUR C02
REGULATOR (CR-3741) REGULATOR (CR-T5261SN)
24
160
150
14030
3000
2000
15001000