5 Unit installation
4 Insert the drain hose and tighten with fixing screw (accessory
set).
NOTICE
The unit must be used with a drain hose.(Forgetting to
tighten this may cause water leakages and vibrations.)
NOTICE
If the sub drain pan (a) is not used, the sub drain pan hole
should be closed with a cap (b).
Installation and operation manual
12
a
b
When electrical wiring is finished already
1 Start cooling operation.
2 Gradually pour approximately 1 l of water through the air
discharge outlet, and check for leaks.
a
a
Plastic watering can
b
Drain outlet (use this outlet to drain water from drain pan)
c
Drain hose
5.6
Optional equipment installation
5.6.1
Preparing of optional equipment
INFORMATION
Optional equipment. When installing optional equipment,
also read the installation manual of the optional equipment.
Depending on the field conditions, it might be easier to
install the optional equipment first.
Optional equipment
G2 filter
2-way valve- ON/OFF (AC 230
V)
3-way valve- ON/OFF (AC 230
V)
Proportional valve (AC 24 V) 3
way – 4 port valve
Remote controller
Remote controller (for 2 pipe)
Remote controller (for 4 pipe)
Remote controller (panel control
board)
Remote controller
Remote controller
Valve cable kit
b
c
Identification code
EKAF02G5A
EKAF03G5A
EK02WV2V3W5A
EK04WV2V3C5A
EK06WV2V3C5A
EK02WV3V3W5A
EK04WV3V3C5A
EK06WV3V3C5A
EK02P3V24W5A
EK04P3V24C5A
EK06P3V24C5A
FWEC3A
FWEC2T
FWEC4T
FWECSAP
FWECSAC
FWTOUCHW
FWTOUCHB
FWTOUCHG
EKER015A
FWE-F
Fan coil units
3P756931-1 – 2023.11