Exhibit D Piping diagram
1 Air handler
8 Hot water supply
15 Hot water return
2 Chilled water pump (primary)
9 Cooling tower
16 Hot water control valve
3 Chilled water pump (secondary)
10 Cooling water pump
17 Drain ditch
4 Bypass valve
11 Blow down valve
5 Supply header
12 Bypass valve
6 Return header
13 Feed-water valve
7 Expansion tank
14 Cushion tank (
≥
1 m³ )
General remarks on piping
1) Equipment and parts outside the area surrounded by
11) Provide an air vent valve in each of the chilled,
the broken line are not supplied by Carrier.
cooling and hot water line at a point higher than
2) For pipe connections and diameter refer to the
the header.
dimensional drawings and specification tables.
12) Install drain valves at the lowest positions between
3) Ensure that chilled water flow rate, cooling water
absorption chiller and the stop valves of the chilled
flow rate are in conformity with the standard value.
water, cooling water and hot water, and plumb them
If the chilled water flow rate sinks to under 50% of the
to the drain ditch.
standard value, the chiller will stop.
13) Provide an expansion tank at highest position in the
Please secure the chilled water's retention volume
chilled water line.
at least 11 liter / kW.
14) Install a cooling tower away from any exhaust gas
4) Position the chilled water pump, cooling water pump,
outlet.
hot water pump and expansion tank correctly so that 15) Connect the pipe from rupture disk to cushion tank.
the chiller pressure does not exceed the set value.
16) Install stop valves between the absorption chiller
5) For cooling water temperature control refer to the
and stop valves of all inlets and outlets for chemical
drawing "Cooling water temperature control method".
cleaning of the water circuit system.
6) Separate chilled, cooling and hot water pumps should 17) When two way valve is used, there is a case that
be provided for each chiller.
hot water outlet temperature becomes different from
7) Provide a cooling water blow-down valve in the
the specification.
cooling tower inlet for water quality control.
18) The maximum allowable temperature of hot water is
8) Install a filter in the chilled water, cooling water
110oC.
and hot water pipes (10 mesh).
9) Install stop valves on the chilled, cooling and hot
water inlet and outlet.
10) Provide a thermometer and a pressure gauge at the
chilled, cooling and hot water inlet and outlet.
Thermometer
Pressure gauge
Flow meter
Strainer
Valve
Thermostat
1
2
4
3
5
6
9
10
11
12
13
14
17
7
8
15
16
Содержание 16LJ-01
Страница 1: ...Absorption Chiller INSTALLATION MANUAL 16LJ 01 02 03 Original instructions ...
Страница 28: ...Exhibit H LiBr solution material safty data sheet ...
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