Daikin EWFH TZ D Series - Fig. 1- Refrigerant Circuit Diagram (P&ID) - MONO Circuit Units

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D–EIMAC01905-23_00EN - 4/53

Fig. 1- Refrigerant circuit diagram (P&ID) – MONO circuit units

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Table of Contents2
Fig. 1- Refrigerant Circuit Diagram (P&ID) - MONO Circuit Units4
Table 1 - Legend Refrigerant Circuit Diagram (P&ID) - MONO Circuit Units5
Fig. 2 - Refrigerant Circuit Diagram (P&ID) - DUAL Circuit Units6
Table 2 - Legend Refrigerant Circuit Diagram (P&ID) - DUAL Circuit Units7
Fig. 3 - Hydronic Free Cooling P&ID8
Table 3 - Legend Hydronic Free Cooling P&ID8
Fig. 4. - Description of the Labels Applied to the Electrical Panel9
Table 4 - Units PS and TS9
Table 5 - Label Identification9
Introduction10
Precautions against Residual Risks10
Description11
Information about R1234Ze(E) Refrigerant11
Table 6 - Physical Characteristics of Refrigerant R1234Ze(E)11
Information about Installation12
Table 7 - R1234Ze(E) Ignition and Max Temperatures12
Table 8 - R1234Ze(E) LFL Value13
Receiving the Unit14
Operating Limits15
Storage15
Operation15
Table 9 - Units Environmental Conditions15
Fig. 5 - EWAH-TZD Blue Unit Envelope16
Fig. 6 - EWAH-TZD Silver Unit Envelope16
Fig. 7 - EWAH-TZD Gold and Platinum Unit Envelope17
Fig. 8 - EWAD-TZD Blue Unit Envelope17
Fig. 9 - EWAD-TZD Silver Unit Envelope18
Fig. 10 - EWAD-TZD Gold and Platinum Unit Envelope18
Fig. 11 - EWAS-TZD Blue Unit Envelope19
Fig. 12 - EWAS-TZD Silver Unit Envelope20
Fig. 13 - EWAS-TZD Gold and Platinum Unit Envelope20
Fig. 14 - EWFH-TZD Blue and Silver Unit Envelope21
Fig. 15 - EWFH-TZD Gold and Platinum Unit Envelope21
Corrective Factors22
Fig. 16 - EWFD-TZD Blue and Silver Unit Envelope22
Fig. 17 - EWFD-TZD Gold and Platinum Unit Envelope22
Table 10 - Altitude Correction Factor23
Table 11 - Minimum Percentage of Glycol in Case of Low Ambient Temperature23
Mechanical Installation24
Safety24
Safety Devices24
Fig. 18 - Indirect Vented Closed System24
Handling and Lifting Instructions25
Fig. 19 - Lifting Instructions27
Positioning and Assembly28
Minumum Space Requirements28
Fig. 20 - Unit Levelling28
Fig. 21 - Minimum Clearance Requirements29
Noise and Sound Protection31
Water Circuit for Unit Connection31
Water Piping31
Fig. 22. - Multiple Chiller Installation31
Fig. 23 - Anti-Vibration Elements (Supplied as Optional)31
4.6.2 Kit Pump Option32
Fig. 24- Hydraulic Diagram (Opt. 78-79-80-81/120E-120F-120G-120H)32
Table 12 - Legend Hydraulic Diagram32
4.6.3 Flow Switch Option Installation33
4.6.4 Heat Recovery Option33
Water Treatment33
Hydronic Free Cooling System33
Introduction and System Description (P&ID)33
Table 13 - Acceptable Water Quality Limits33
Fig. 25- Hydronic Free Cooling P&ID35
Table 14 - Legend Hydronic Free Cooling P&ID35
Coolant Quality Requirements36
First Operations at Unit Commissioning Start36
Table 15 - Free Cooling Application Coolant Quality Requirements for MCH Coils36
Free Cooling Purge Valve Related37
Operations in Case of Failure37
Evaporator and Heat Recovery Exchangers Anti-Freeze Protection37
Electrical Installation38
General Specifications38
Electrical Supply38
Electric Connections38
Cable Requirements39
Phase Unbalance39
Table 16- Table 1 of EN60204-1 Point 5.239
Electrical Panel Label Description40
Fig. 26- Description of Labels Applied on the Electrical Panel Small40
Fig. 27- Description of Labels Applied on the Electrical Panel Medium41
Fig. 28- Description of Labels Applied on the Electrical Panel Large41
Operator's Responsibilities42
Maintenance43
Routine Maintenance43
Table 18- General Maintenance Table43
Table 19 - Standard Routine Maintenance Plan44
Unit Maintenance and Cleaning45
Table 20 - Routine Maintenance Plan for Critical Application And/Or Highly Aggressive Environment45
Microchannel Coil Maintenance46
Inverter Capacitors46
Table 21 - Inverter Sizes47
Service and Limited Warranty48
First Start-Up Checks49
Table 22 - Checks to be Performed before Starting the Unit49
10 Periodic Checks and Commissioning of Pressure Equipment50
11 Important Information about the Refrigerant Used51
11.1 Factory and Field Charged Units Instructions51
Fig. 29 - Refrigerant Charge Label51
12 Dismission and Disposal52

Daikin EWFH TZ D Series - Fig. 1- Refrigerant Circuit Diagram (P&ID) - MONO Circuit Units

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