EWAQ+EWYQ005~007ACV3P
Packaged air-cooled water chillers and
packaged reversible air to water heat pumps
4PW33165-1D
Installation manual
1
C
ONTENTS
Page
Introduction...................................................................................... 1
Accessories ..................................................................................... 2
Typical application examples ......................................................... 2
Overview of the unit ........................................................................ 3
Opening of the unit..................................................................................... 3
Main components....................................................................................... 3
Safety devices............................................................................................ 4
Switch box components ............................................................................. 4
Installation of the unit ..................................................................... 4
Selecting the installation location............................................................... 4
Inspecting, handling and unpacking the unit .............................................. 5
Important information regarding the refrigerant used ................................ 5
Mounting the unit ....................................................................................... 5
Drain work.................................................................................................. 5
Water pipework .......................................................................................... 5
Charging the water..................................................................................... 7
Piping insulation......................................................................................... 8
Field wiring................................................................................................. 8
Installation of the digital controller.............................................................. 9
Start-up and configuration ........................................................... 11
Pre-operation checks ............................................................................... 11
Powering up the unit ................................................................................ 11
Setting the pump speed ........................................................................... 11
Field settings............................................................................................ 12
Test run and final check ........................................................................... 14
Maintenance................................................................................... 14
Troubleshooting............................................................................. 15
General guidelines ................................................................................... 15
General symptoms................................................................................... 15
Error codes .............................................................................................. 16
Technical specifications ............................................................... 17
I
NTRODUCTION
General information
Thank you for purchasing this Daikin inverter chiller.
This unit is designed for outdoor installation and used for both
heating and cooling applications. The unit is designed to be
combined with fan coil units or air handling units for air conditioning
purposes.
Heat pump and cooling only versions
This chiller range consists of two main versions: a heat pump
(EWYQ) version and a cooling only (EWAQ) version, available in
3 standard sizes (5 kW, 6 kW and 7 kW).
Heater tape option OP10
Both versions are also available with a heater tape option (OP10) for
protecting internal water pipework at cold outdoor temperatures.
Scope of this manual
This manual describes the procedures for unpacking, installing and
connecting all EWA/YQ models, as well as instructions for
maintenance and troubleshooting of the unit.
Model identification
EWAQ005ACV3P
EWYQ005ACV3P
EWAQ006ACV3P
EWYQ006ACV3P
EWAQ007ACV3P
EWYQ007ACV3P
Packaged air-cooled water chillers and
packaged reversible air to water heat pumps
Installation manual
READ THESE INSTRUCTIONS CAREFULLY BEFORE
INSTALLATION. KEEP THIS MANUAL IN A HANDY
PLACE FOR FUTURE REFERENCE.
IMPROPER INSTALLATION OR ATTACHMENT OF
EQUIPMENT OR ACCESSORIES COULD RESULT IN
ELECTRIC SHOCK, SHORT-CIRCUIT, LEAKS, FIRE OR
OTHER DAMAGE TO THE EQUIPMENT. BE SURE ONLY
TO USE ACCESSORIES MADE BY DAIKIN WHICH ARE
SPECIFICALLY DESIGNED FOR USE WITH THE
EQUIPMENT AND HAVE THEM INSTALLED BY A
PROFESSIONAL.
IF UNSURE OF INSTALLATION PROCEDURES OR USE,
ALWAYS CONTACT YOUR DAIKIN DEALER FOR
ADVICE AND INFORMATION.
EW
A
Q
005
AA
V3
P
-H-
Option heater tape
Pump included
Nominal voltage (1P, 230 V, 50 Hz)
Major/minor change
Indication of heating/cooling capacity (kW)
(a)
(a) Please see
"Technical specifications" on page 17
for exact values.
R410A refrigerant
A = cooling only,
Y = heating and cooling
European water chiller
