HTM HTW-V5WD2N8 Manual De Usuario E Instalacion página 163

10.7.17 Description of terms
The terms related to this unit are shown in the table
below.
Parameter illustration
Outlet water temperature of backup
T1
heater (or additional heating source)
T1B Outlet water temperature of zone 2
T1S Target outlet water temperature
Temperature of refrigerant at
outlet /inlet of plate heat
T2
exchanger when in heat
mode/cool mode
Temperature of refrigerant
at let outlet /inlet of plate
T2B
heat exchanger when in heat
mode/cool mode
Temperature of tube at
outlet/inlet of condenser
T3
when in cool/heat mode
T4 Ambient temperature
Temperature of domestic
T5
hot water
Th Suction temperature
Tp Discharge temperature
Inlet water temperature of plate
TW_in
heat exchanger
Outlet water temperature of
TW_out
plate heat exchanger
AHS Additional heating source
IBH1 The first backup heater
IBH 2 The second backup heater
Backup heater in the domestic
TBH
hot water tank
Evaporate/condense pressure
Pe
in cool/heat mode
11 TEST RUN AND FINAL
CHECKS
The installer is obliged to verify correct operation of unit
after installation.
11.1 Final checks
Before switching on the
recommendations:
unit, read following
158
When the complete installation and all necessary
settings have been carried out, close all front panels
of the unit and refit the unit cover.
The service panel of the switch box may only be
opened by a licensed electrician for
NOTE
That during the first running period of the unit,
required power input may be higher than stated
on the nameplate of the unit. This phenomenon
originates from the compressor that needs
elapse of a 50 hours run in period before
reaching smooth operation and stable power
consumption.
11.2 Test run operation (manually)
If required, the installer can perform a manual test run
operation at any time to check correct operation of air
purge, heating, cooling and domestic water heating, refer
to 10.7 Field settings/test run.
12 MAINTENANCE AND
SERVICE
In order to ensure optimal availability of the unit, a number
of checks and inspections on the unit and the field wiring
have to be carried out at regular intervals.
This maintenance needs to be carried out by your local
technician.
In order to ensure optimal availability of the unit, a number
of checks and inspections on the unit and the field wiring
have to be carried out at regular intervals.
This maintenance has to be carried out by your local
HTW technician.
DANGER
ELECTRIC SHOCK
Before carrying out any maintenance or
repairing activity, must switch off the power
supply on the supply panel.
Do not touch any live part for 10 minutes after
the power supply is turned off.
The crank heater of compressor may operate
even in standby.
Please note that some sections of the electric
component box are hot.
Forbid touch any conductive parts.
Forbid rinse the unit. It may cause electric
shock or fire.
Forbid leave the unit unattended when
service panel is removed.