Vitocal 300-G 1. 1 Product Description; Benefits Of Type Bw/Bws, Ww; Delivered Condition - Viessmann VITOCAL 300-G Technical Manual

Vitocal 300-G
1.1 Product description
Heat pumps with electric drive for DHW and central heating in mono-
mode, mono-energetic or dual mode operation.
1
The brine/water heat pumps extract heat from the ground with the help
of geothermal collectors or probes.
The ground provides almost completely stable temperatures all the
year round, enabling the heat pumps to operate virtually independently
of the outside temperature. They can cover the entire heat demand of
a building, even on colder days.

Benefits of type BW/BWS, WW

■ Mono-mode for central and DHW heating.
■ Menu-guided heat pump control unit Vitotronic 200, type WO1A, for
weather-compensated heating mode.
■ Max. flow temperature of 60 °C for high DHW convenience and ideal
for modernising an existing radiator heating system.
■ High COP to EN 14511: up to 4.8 (brine 0 °C/water 35 °C).
■ Low operating costs with the highest efficiency at every operating
point through the innovative RCD (Refrigerant Cycle Diagnostic)
system with electronic expansion valve.
■ Especially suitable for low heating system temperatures, e.g. under-
floor heating.

Delivered condition

Type BW
■ Compact heat pump design (with soft starter).
■ Epoxy-coated casing.
■ CFC-free, non-combustible refrigerant R 410A (refrigerant mixture,
comprising 50 % R 32 and 50 % R 125).
■ Evaporator and condenser made from copper-soldered stainless
steel plate heat exchanger (1.4401), for the heating circuit and brine/
groundwater circuit.
■ Electronic expansion valve and patented refrigerant distribution.
■ New refrigerant RCD (Refrigerant Cycle Diagnostic) circuit diagnos-
tic system.
VIESMANN
4
The water/water heat pumps with delivery and return wells gain heat
from the groundwater which offers stable temperatures, enabling the
heat pumps to achieve constantly high COPs.
Consequently they are suitable for year round heating operation and
DHW provision.
A Hermetically sealed Compliant scroll compressor
B Condenser
C Evaporator
D Only type BW/WW:
Weather-compensated, digital heat pump control unit
Vitotronic 200, type WO1A
■ Highly flexible due to combination with modules of different output.
■ Low noise and vibration emissions through 3-D sound concept
■ Convenient for applying for subsidies: with integral energy state-
ment.
■ Easier handling through small and light modules.
■ Higher output can be achieved through cascade arrangement:
21.2 to 342.4 kW
■ Type BWS:
As stage 2 of a two-stage heat pump for increased output in con-
junction with type BW and WW.
■ Outside temperature sensor, flow and return temperature sensors
plus sensors for the primary circuit flow and return.
■ With fitted weather-compensated digital heat pump control unit
Vitotronic 200, type WO1A
Type WW
■ Heat pump type BW
■ Water/water heat pump conversion kit (frost stat for primary circuit
and flow limiter for well circuit)
Type BWS
■ Heat pump type BW without heat pump control unit
VITOCAL 300-G