Daikin EWYQ007AAV3P [4/20] Ccessories

Daikin EWYQ007AAV3P [4/20] Ccessories
Installation manual
2
EWAQ+EWYQ005~007AAV3P
Packaged air-cooled water chillers and
packaged reversible air to water heat pumps
4PW27339-1D
ACCESSORIES
TYPICAL APPLICATION EXAMPLE
This application example is given for illustration purposes only.
Space heating and cooling application.
The digital controller (DC) is installed indoors and allows the user to
turn the unit (1) ON or OFF, to select between cooling and heating
mode (only in case of a heat pump model) and to set the water
temperature. When the unit is turned on, it will provide water at the
set temperature to the fan coil units (FCU1..3).
OVERVIEW OF THE UNIT
Opening of the unit
To have access to all main components for installation and servicing,
the top and front cover of the unit must be removed.
To open the top cover (1), loosen the four screws and lift the top
cover.
To open the front cover (2), loosen the four screws and unhitch
the front cover.
To gain access to the switch box’ internals – e.g. to connect the
field wiring – the switch box service panel (3) can be removed.
Thereto, loosen the two screws and lift the switch box service
panel.
Installation manual 1
Operation manual 1
Shut-off valve 2
Wiring diagram sticker
(inside top unit cover)
1
Remote controller kit
(digital controller, 4 fixing screws and 2 plugs)
1
1 Reversible heat pump
FCU1..3
Fan coil unit
(field supply)
2 Plate heat exchanger
3 Expansion vessel DC Digital controller
4 Pump
RT1..3
Room thermostat
(field supply)
5 Shut-off valve
6 Motorised valve (field supply)
FCU1
M
RT1
FCU2
M
RT2
FCU3
M
RT3
DC
2 3 4 51
5 6
Switch off the power supply before removing the
switch box service panel.
1
2
3

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