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WATER CIRCUIT
COMPLIANCE
YES
NO
27
THE FILTER IS INSTALLED ON
THE HEAT EXCHANGER PIPES (INLET PIPES FOR THE EVAPORATOR OUTLET PIPES
) AT A MAXIMUM DISTANCE OF 2 METERS FROM THE UNIT.
PLEASE NOTE THAT THE FILTER INSTALLATION IS
MANDATORY. FOR FURTHER TECHNICAL INFORMATION
RELATING THE FILTER REFER
TO THE TECHNICAL DOCUMENTATION.
28
THE FLOW SWITCH (EVAPORATOR SIDE) HAS BEEN INSTALLED AND ELECTRICALLY CONNECTED. FLOW SWITCH
INSTALLATION IS MANDATORY.
29
THE VALVES ON THE WATER PLANT MUST BE OPENED. PLEASE BE AWARE THAT IF THE UNIT IS POWERED (OR IN
STAND-BY MODE) PUMPS WILL START IF THE WATER TEMPERATURE IS EQUAL OR BELOW 4°C. CLOSING THE
VALVES MAY THEREFORE CAUSE SEVERE DAMAGES.
30
DRAINAGE VALVES ARE INSTALLED. THE DRAINAGE VALVES ARE INSTALLED ON THE LOWEST POINT. THE
UTILIZATION OF AUTOMATIC DRAINAGE VALVES IS RECOMMENDED.
31
AUTOMATIC OR MANUAL PURGE VALVES ARE INSTALLED ON THE HIGHEST POINT.
32
THE HYDRAULIC CIRCUIT HAS BEEN FILLED AND PURGED.
THE PLANT SHALL BE PURGED SEVERAL TIMES BEFORE STARTING UP THE UNIT. THE FILTER INSTALLED NEXT TO
THE HEAT EXCHANGER SHALL BE CLEANED SEVERAL TIMES BEFORE STARTING UP THE UNIT, UNTIL THE
CORRECT DELTA T IS ASSURED AND THE HYDRAULIC PRESSURE IS CONFORM TO THE PLANT AND TO THE WATER
PRESSURE DROPS.
FOR FURTHER INFORMATION, REFER TO TRANE DOCUMENTATIONS AND PROCEDURE FOR THE FIRST START UP.
33
HYDRAULIC CONNECTIONS TO THE UNIT ARE COMPLIANT WITH THE UNIT NAME PLATE AND DIMENSIONAL
DRAWINGS (HOT WATER INLET, HOT WATER OUTLET, COLD WATER INLET, COLD WATER OUTLET, EXT.).
34
RUBBER JOINTS ARE INSTALLED ON THE HYDRAULIC CONNECTIONS, IN ORDER TO MINIMIZE VIBRATIONS BETWEEN
THE UNIT AND WATER PIPES.
35
SHUTOFF VALVES ARE INSTALLED ON THE HYDRAULIC CIRCUIT.
36
THE EXPANSION TANK IS INSTALLED ON THE HYDRAULIC CIRCUIT. EXPANSION TANK CAPACITY CONCURS
WITH THE WATER PLANT CAPACITY.
37
TEMPERATURE PROBES AND PRESSURE GAUGES ARE INSTALLED ON THE HYDRAULIC CIRCUIT, BOTH INLET AND
OUTLET SIDE.
38
THE HYDRAULIC CIRCUIT IS FREE FROM OBSTRUCTION OR ANY KIND OF CONSTRAINT.
39
BUFFER TANKS ARE INSTALLED IN THE HYDRAULIC CIRCUIT. THE BUFFER TANKS INSTALLATION IS STRONGLY
RECOMMENDED IN ORDER TO WARRANTY THE OPTIMAL UNIT OPERATION.
SPECIFY BUFFER TANK CAPACITY:LT
40
THE PRESSURE RELIEF VALVE IS INSTALLED BETWEEN DELIVERY AND RETURN PIPES.
WARNING: IN ORDER TO AVOID WATER-HAMMER, THE RELIEF VALVE PRESSURE SHALL BE SET UP IN ACCORDANCE
WITH THE STANDARD OPERATING PRESSURE OF THE WATER CIRCUIT.
41
THE AUXILIARY HEATING SYSTEM IS INSTALLED IN THE WATER CIRCUIT IN ORDER TO AVOID THE START-UP OF
THE UNIT WITH WATER TEMPERATURE BELOW 18°C. BEFORE STARTING UP THE UNIT THE INLET WATER
TEMPERATURE MUST BE EQUAL OR HIGHER THAN 18°C.
WARNING: THE UNIT SHALL NEVER WORK (NOT EVEN FOR SHORT PERIODS) WITH AN INLET WATER TEMPERATURE
LOWER THAN 18°C.
42
ANTIFREEZE PROTECTIONS ARE INSTALLED IN THE WATER CIRCUIT (ELECTRICAL HEATERS ARE INSTALLED ON
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