6 About the units and options
Installer reference guide
14
EJHA EHY32AA
Daikin Altherma Hybrid hydrosplit heat pump
4P531180-1 – 2018.06
▪ Required in areas with ambient temperature <–5°C and high
relative humidity for at least 3 consecutive days.
▪ For installation instructions, see the installation manual of the
bottom plate heater.
Shut-off valves (EKBALLV1)
We recommended to install shut-off valves to the space heating
water connections of the outdoor unit. They let you service the
outdoor unit without draining the whole system.
One of the two shut-off valves has an integrated connection for the
vacuum breaker (if applicable).
For installation instructions, see the installation manual of the shut-
off valves.
Connection kit for third-party gas boiler (EKADDONJH
+EKADDONJH2)
Required when connecting a third-party gas boiler to the system.
Consists of 2 separate kits that have to be used together:
▪ EKADDONJH: Contains the external pump
▪ EKADDONJH2: Contains the 2 non-return valves and 2 cables
For installation instructions, see the installation manual of the
connection kit.
Domestic hot water tank
Only applicable in case of EHY32AA gas boiler.
For providing domestic hot water, a domestic hot water tank can be
connected to the gas boiler.
The following domestic hot water tanks are available:
Tank
Remark
Stainless steel tank:
▪ EKHWS150D3V3
▪ EKHWS180D3V3
▪ EKHWS200D3V3
▪ EKHWS250D3V3
▪ EKHWS300D3V3
When using this tank:
▪ Use the tank thermistor from
the following option kit: EKTH3
▪ Use the 3-way valve delivered
as accessory with the tank
Polypropylene tank (with
drainback solar):
▪ EKHWP300B
▪ EKHWP500B
When using this tank:
▪ Use the tank thermistor from
the following option kit: EKTH4
▪ Use the 3-way valve from the
following
option
kit:
EKDVCPLT3HX
Polypropylene tank (with
pressurised solar):
▪ EKHWP300PB
▪ EKHWP500PB
Tank
Remark
Third-party tank
When using a third-party tank:
▪ Make sure it complies with the
minimum requirements. See
"6.3.1 Possible combinations
of outdoor unit, gas boiler and
domestic hot water tank" on
page 13
▪ Use the tank thermistor from
the following option kit: EKTH3
▪ Use the 3-way valve from the
following
option
kit:
EKHY3PART
For installation instructions, see the installation manual of the
domestic hot water tank and the addendum book for optional
equipment.
Thermistor kit for EKHWS*D* or third-party tank (EKTH3)
Required when connecting one of the following tanks to the system:
▪ EKHWS*D* tank
▪ Third-party tank
For installation instructions, see the installation manual of the
thermistor kit.
Thermistor kit for EKHWP tank (EKTH4)
Required when connecting a EKHWP tank to the system.
For installation instructions, see the installation manual of the
thermistor kit.
Connection kit for third‑party tank (EKHY3PART)
Required when connecting a third-party tank to the system.
Contains a thermistor and a 3-way valve. However, only use the 3-
way valve from this kit. Do NOT use the thermistor, use the
thermistor from the EKTH3 instead.
For installation instructions, see the installation manual of the
connection kit and the addendum book for optional equipment.
PC cable (EKPCCAB)
The PC cable makes a connection between the switch box of the
outdoor unit and a PC. It gives the possibility to update the software
of the outdoor unit.
For installation instructions, see the installation manual of the PC
cable.
The software and corresponding operating instructions are available
on
http://www.daikineurope.com/support-and-manuals/software-
.
6.3.3
Possible options for the gas boiler
Main options
Part
EHY2KOMB28AA
EHY2KOMB32AA
Boiler cover plate
Cover plate to protect the piping and valves of the gas boiler. For installation instructions, see
the installation manual of the cover plate
(*)
.
EKHY093467
EKCP1A
Gas conversion kit G25
Kit for the conversion of the gas boiler for use with gas type G25.
EKPS076217
EKPS076227
Gas conversion kit G31
Kit for the conversion of the gas boiler for use with gas type G31
EKHY075867
EKHY075787
Dual pipe conversion kit
Kit for the conversion of a concentric flue gas system to a dual pipe system. For installation
instructions, see the installation manual of the dual pipe conversion kit
EKHY090707
80/125 concentric connection kit