Daikin EWAH TZ D Series - Table 2 - Legend Refrigerant Circuit Diagram (P&ID) - DUAL Circuit Units

D–EIMAC01905-23_00EN - 7/53
Optional
Safety valves can be provided with a changeover device as optional
Table 2 – Legend refrigerant circuit diagram (P&ID) – DUAL circuit units
LEGEND
ID
DESCRIPTION
1
SCREW COMPRESSOR
2
HEAT EXCHANGER (BHPE) - HEAT RECOVERY OPTIONAL
3
PRESSURE RELIEF VALVE Pset = 25,5 bar
4
MICROCHANNEL CONDENSER COIL
5a
DISCHARGE SHUT OFF ANGLE VALVE
5b
DISCHARGE SHUT OFF BALL VALVE
5c
SUCTION SHUT OFF VALVE
6
DRIER FILTER
7
MOISTURE SIGHT GLASS
8
HEAT EXCHANGER (BPHE) ECONOMIZER
9
SOLENOID VALVE (inside compressor)
10
ECONOMIZER ELECTRONIC EXPANSION VALVE
12
ELECTRONIC EXPANSION VALVE
13
SHELL&TUBES EVAPORATOR
14
PRESSURE RELIEF VALVE Pset = 15,5 bar
15
ACCESS FITTING
16
PRESSURE GAUGE (OPTIONAL)
17
ANGLE VALVE
18
ANTIVIBRATION JOINT * (only for XR/PR or Opt. 76b)
19
ACCESS FITTINGS
20
MUFFLER
21
LIQUID RECEIVER (only with opt.01 THR)
22
STRAINER
f
FLANGED JOINT
e
ELECTRIC HEATER
PT
PRESSURE TRANSDUCER
PZH
HIGH PRESSURE SWITCH 22.7 bar
TZAH
HIGH TEMPERATURE SWITCH (MOTOR THERMISTOR)
PSAL
LOW PRESSURE LIMITER (CONTROLLER FUNCTION)
TT
TEMPERATURE TRANSDUCER
PI
PRESSURE GAUGE
Water inlet and outlet are indicative. Please refer to the machine dimensional diagrams for exact water connections.
The series is composed by MONO (one circuit) and DUAL (two circuits) units.