Daikin EWLQ014KCW1N User Manual

Name: Daikin EWLQ014KCW1N
Brand: Daikin
Rating: 4 (1 reviews)

25 pages

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EWLQ014KCW1N

EWLQ025KCW1N

EWLQ033KCW1N

EWLQ049KCW1N

EWLQ064KCW1N

REV

Date

01/2022

Supersedes

Installation, Operation and Maintenance Manual

D-EIMHP01601-22_00EN

CONDENSERLESS WATER-COOLED WATER CHILLERS

Table of Contents2
Table 1-Technical Specifications4
Table 2-Electrical Specifications4
Operation Range6
Figure 1- Operation Range EWLQ014-033KC6
Figure 2-EWLQ049-064KC6
Selection of Location7
Main Components7
Inspecting and Handling the Unit8
Unpacking and Placing the Unit8
Important Information Regarding the Refrigerant Used8
Selection of Piping Material9
Connecting the Refrigerant Circuit9
Precautions When Handling Piping9
Table 3- Flare Nut Spaces Dimensions and Appropriate Tightening Torque10
Figure 3-Connecting the Refrigerant Circuit (1)10
Figure 4-Connecting the Refrigerant Circuit (2)10
Leak Test and Vacuum Drying11
Open the Discharge- and Liquid Stop Valves11
Figure 5-Connecting the Refrigerant Circuit (3)11
Figure 6- Connecting the Refrigerant Circuit (4)11
Next Perform a Fine-Tuning12
Table 4-Charging the Unit12
Figure 7- Charging the Unit12
Checking the Water Circuit13
Figure 8- Water Piping Evaporator-Plastic Bag 113
Figure 9-Water Piping Condenser-Plastic Bag (2)13
Connecting the Water Circuit14
Table 5- Water Quality Specification14
Figure 10-Flowswitch Installation14
Water Charge, Flow and Quality15
Water Piping Insulation15
Refrigerant Piping Insulation15
Antifreeze Protection for BPHE and Recovery Exchangers15
Table 6-Water Flow Operation Range15
Field Wiring16
Point for Attention Regarding Quality of the Public Electric Power Supply16
Interconnection Cables16
Table 7-Zmax (Ω)16
Operator's Reponsibilities17
Routine Maintenance18
Table 8-R410A Pressure / Temperature Table18
Maintenance19
Electrical Installation19
Service and Limited Warranty19
Table 9- Standard Routine Maintenance Plan19
Table 10- Routine Maintenance Plan for Critical Application And/Or Highly Aggressive Environment20
Figure 11- EWLQ 049 - 064 KCW1N Refrigerant Circuit Scheme21
Before Starting22
Table 11-Pre-Commissioning Checklist22

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Daikin EWLQ014KCW1N Specifications

General

Brand	Daikin
Model	EWLQ014KCW1N
Category	Chiller
Language	English

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