Vaillant uniTOWER plus User Manual

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52 Installation and maintenance instructions 0020291525_04
Setting level Values Unit Increment, select, ex-
planation
Factory setting Setting
Min. Max.
Heating alt. point
2)
-20 +40 ℃ Off
1
Max. flow temperature
2)
15 90 ℃ 1
Min. flow temperature
2)
15 90 ℃ 1
Heating mode activ.
2)
On
Off
DHW activation
2)
On
Off
Cyl. charg. hysteresis
2)
3 20 K 1
Immers. heater mode
2)
Off
Heating+DHW
Heating
Domestic hot water
Limp home mode
2)
Off
Heating
Domestic hot water
Heating+domestic hot
water
Cooling target flow
2)
7 24 ℃ 1
MO relay None
Fault signal
Ext. immersion heater
DHW 3WV
Compr.start heat. from −999 9 °min 1 −60
Compr.start cool. from 0 999 °min 1 60
Compressor hyster. Heat. 0 15 K Applies for heating
mode only:
1
7
Compressor hyster. Cool. 0 15 K Applies for cooling
mode only:
1
5
Max. rem. feed head 200 900 mbar 10 900
DHW mode 0 = ECO 2 = Bal-
ance
0 = ECO, 1 = Normal, 2
= Balance
0
Max. anti-cycl. time 0 9 h 1 5
Conf. heat. build. pump 50 100 % PWM Auto Auto
Conf. cool. build. pump 50 100 % PWM Auto Auto
Conf. DHW build. pump 50 100 % PWM Auto 65
Reset anti-cycl. time → Anti-cycl.
time after pow. supp. switch-on
0 120 min 1 0
Im. heater power supp. 230 400 V 230, 400
Im. heater outp. range External 6 kW 1–6: 1 kW–6 kW 6
Compr. current limit 5–7 kW: 13–16 A
12 kW: 20–25 A
Fan boost
3)
52 70 1 70
Compr. noise reduct.
2)
40 60 % 1 40
Only for products with cooling:
Cooling technology
None Active
cooling
None, active cooling None
Intermediate heat exchanger Yes No Yes, No
1)
See the overview of fault codes: Fault lists are only available, and can only be deleted, if faults have occurred.
2)
This parameter does not appear if a system control is connected.
3)
This parameter is only available in the products for Spain

Vaillant uniTOWER plus Specifications

General

Brand	Vaillant
Model	uniTOWER plus
Category	Heat Pump
Language	English