Inspection And Maintenance Tasks; Filling, Topping Up The Storage Tank - Daikin EHSX04P30D Instrucciones De Instalación Y Mantenimiento

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WARNING
Temperatures of up to 90 °C can arise during operation un-
der the cover of the Daikin Altherma EHS(X/H). During op-
eration, hot water temperatures of > 60 °C occur.
▪ Touching components during or after operation leads to
a risk of burns.
▪ Water discharged during maintenance and repair work
can cause scalding on contact with the skin.
▪ Before carrying out maintenance and inspection work,
allow the Daikin Altherma EHS(X/H) to cool down suffi-
ciently.
▪ Wear protective gloves.
WARNING
Touching live parts can result in an electric shock and lead
to potentially fatal injuries and burns.
▪ Before beginning work on live parts, disconnect all cir-
cuits of the system from the power supply (switch off ex-
ternal main switch, disconnect fuse) and secure against
unintentional restart.
▪ The electrical connection and work on the electrical
components should only be performed by electrical en-
gineers in compliance with valid standards and
guidelines as well as the specifications of the energy
supply company.
▪ Device covers and service panels must be replaced as
soon as the work is complete.
1
Removing the cover and thermal insulation (see
2
Check the function of the Daikin Altherma EHS(X/H) and all in-
stalled accessory components (backup heater, solar system) by
checking the temperature display and switch states in the indi-
vidual operating modes.
3
If a solar system of the DrainBack type is connected and in oper-
ation, shut it off and empty the collectors.
4
If the Daikin Altherma EHS(X/H) is operated in a bivalent, altern-
ative system, switch off all heat generators and deactivate the bi-
valence controller.
5
Visual check of the general condition of the Daikin Altherma
EHS(X/H).
6
Visual check of the water storage tank level (filling level indic-
ator).
▪ If necessary, replenish water
edy the reason for the low water level.
7
Check the connection of the safety overflow, drain hose and lid
drain for leaks, free drainage and gradient.
▪ If necessary, clean the safety overflow and drain hose and relay
it; replace damaged parts.
INFORMATION
Thanks to its design, the Daikin Altherma EHS(X/H) re-
quires very little maintenance. No corrosion protection
equipment is required (such as expendable anodes). This
means there is no need for maintenance work such as
changing the protective anodes or cleaning the inside of
the storage tank.
8
Check the connection of the safety overflow and drain hose for
leaks, free drainage and gradient.
▪ If necessary, clean the safety overflow and drain hose and relay
it; replace damaged parts.
9
Check all electrical components, connections and cables.
▪ Repair damaged parts or replace them.
Daikin Altherma EHS(X/H)
Daikin Altherma integrated solar unit
008.1444099_00 – 07/2018 – EN
Chap.
4.4.2).
(Chap.
7.2.1), determine and rem-
7
Inspection and maintenance
INFORMATION
If the connection cable of the optional backup heater is
damaged, the entire backup heater must be replaced.
The connection cable cannot be exchanged separately.
10 Check the water pressure of the cold water supply (< 6 bar)
▪ and, if necessary, the fitting or adjustment of the pressure redu-
cer.
11 Check the system water pressure on the RoCon+ HP controller
for the Daikin Altherma EHS(X/H).
▪ If necessary, top up the water in the heating system until the
pressure display is in the permissible range
12 Check and clean the filter/sludge separator.
13 Check the minimum flow
(see Chap.
14 Clean the plastic surface of the Daikin Altherma EHS(X/H) with
soft cloths and mild detergent. Do not use any cleaners with ag-
gressive solvents (damage to the plastic surface may occur).
15 Re-install the cover (see
Chap.
16 Perform maintenance on the outdoor unit and other heating
components connected to the Daikin Altherma EHS(X/H) ac-
cording to the respective installation and operating instructions.
17 Complete the confirmation of maintenance in the supplied oper-
ating manual of the Daikin Altherma EHS(X/H).
7.2

Inspection and maintenance tasks

Cleaning the protective cover and storage tank
▪ The low-maintenance plastic only needs to be cleaned with soft
cloths and mild detergent.
▪ Do not use any cleaners with aggressive solvents (damage to the
plastic surface may occur).
7.2.1

Filling, topping up the storage tank

CAUTION
Filling the storage tank with a too high water pressure or
too high flow speed can cause damage to the Daikin
Altherma EHS(X/H).
▪ Only fill with a water pressure <6 bar and a flow speed
<15 l/min.
(see Chap.
7.2.2).
5.1.4).
4.4.2).
Installation and maintenance instructions
37

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