Unit installation

312022000 12
3. 50 HZ Cooling Unit.
Connect (Refer to Cooling Unit nameplate for power circuit requirements) power circuit from a 40-amp
minimum rated disconnect switch (not provided) fused at 40-amps (maximum) with ELCB to terminals
wires inside of the Cooling Unit. COOLING UNIT MUST BE PROPERLY GROUNDED AND POWER
CIRCUIT MUST BE MADE UP OF COPPER CONDUCTORS.
DO NOT CONNECT ELECTRICAL POWER TO COOLING UNIT AT THIS TIME.
CONNECTING ELECTRICAL POWER CIRCUIT TO REMOTE CONDENSER COIL AND
FAN ASS’Y
(see Figures 5 and 11)
NOTE: Electrical power circuit may be connected to the Remote Condenser Coil and Fan Assembly
(P/N 4000) in two ways. The preferred way is to draw electrical power from the Cooling Unit contactor
which allows the Remote Condenser Coil and Fan Assembly to operate only when the Cooling Unit
refrigeration system is operating. The optional way is to connect a separate electrical power circuit
(independent of the Cooling Unit) through an appropriately rated and fused disconnect switch or an
equivalent HACR circuit breaker which allows the Remote Condenser Coil and Fan Assembly to
operate at all times (independent of Cooling Unit operation).
A. Connect and route electrical power circuit cable from Remote Condenser Coil and Fan Assembly
through fuse box (not provided), fused at 15-amps (‘‘slow-blow’’) down to Cooling Unit location. THE
REMOTE CONDENSER COIL AND FAN ASSEMBLY MUST BE PROPERLY GROUNDED, THE
POWER CIRCUIT MUST BE MADE UP OF COPPER CONDUCTORS, AND ALL WIRING MUST
CONFORM TO NATIONAL AND LOCAL ELECTRICAL CODES
B. Route Remote Condenser Coil and Fan Assembly Power cable electrical wires through electrical
handy box on back of the Cooling Unit to inside of the electrical control box.
C. Connect Remote Condenser Coil and Fan Assembly power cable electrical wires to T
1
and T
2
terminals on contactor inside Cooling Unit electrical control box.
D. Install electrical control box cover and secure with four screws.
E. Install cover on electrical handy box on back of Cooling Unit.
CONNECTING CITY PLAIN WATER SOURCE LINE TO COOLING UNIT
(see Figure 2)
Connecting City Plain Water Source Line to Unit Post-Mix System.
NOTE: IMI Cornelius Inc. recommends that a water shutoff valve be installed in the City plain water
source line to be connected to the Cooling Unit and that the water supply be filtered. THE WATER PIPE
CONNECTIONS AND FIXTURES DIRECTLY CONNECTED TO A POTABLE WATER SUPPLY SHALL BE
SIZED, INSTALLED AND MAINTAINED ACCORDING TO FEDERAL, STATE, AND LOCAL LAWS.
CAUTION: The plain water inlet supply line to Cooling Unit must be 1/2-inch I.D. minimum.
Check water flow rate of water inlet supply line. MINIMUM FLOW RATE MUST BE AT LEAST
300-GALLONS PER HOUR. If flow rate is less than 300-gallons per hour, ‘‘starving’’ of
carbonator water pump will occur. Starving will allow water pump to overheat causing safety
thermostat on pump outlet to disrupt electrical power to and stop water pump motor. Carbonated
water circulating pump overheating could occur if water inlet supply line flow rate drops below
300-gallons per hour. INCOMING PLAIN WATER INLET SUPPLY LINE WATER PRESSURE MUST
NOT EXCEED 45 PSIG.