15
warmhaus.com
Figure 20
Pump with Automatic Air Vent Valve and modulation.
COMPLY WITH
THE NEW EUROPEAN
DIRECTIVE FOR
ENERGY EFFICIENT
PRODUCTS
2.3.3. Circulation Pump
As Priwa and PriwaPlus combis are equipped with 3 a pump having 3 speed
levels and Priwa ErP, Priwa ErP Plus, Enerwa and EnerwaPlus combis are
equipped with a pump having frequency converter, it should be controlled that
the pump ensures required flow rate depending on the critic line pressure loss.
2.3.4. Controls for Initial Operation of Combi
In order to keep the combi within scope of warranty; first start must be
performed by Warmhaus Authorized Service. Below given initial preparations
should be performed prior to authorized service appointment request:
- Gas opening approval certificate should be taken from the local gas
company for your gas line,
- Combi electricity connection should be made via 2 or 3 Amps fuse.
Figure 22
Ewa 28 & Ewa 33 pump Flow Rate / Pressure graphic
Figure 21
Ewa 24 pump Flow Rate / Pressure graphic
- Ensure that no electricity interruption is available at your home.
- Ensure that no grid water interruption is available at your home.
- Ensure that water is supplied to radiator installation and 1,2 - 1,5 bar
pressure is seen in the combi manometer.
27
Installation and Servicing
SECTION 2 - INSTALLATION
Outdoor flusher
Condensate Water Drainage Pump
(Refer to detailed instructions of the pump manufacturer)
Min Ø 19 mm
Inner
Pipe
75
Min Ø 19 mm
Inner pipe
Min Ø 30 mm
Inner pipe
Air hole
Combined waster
and rain water
drainage pipe
43 mm 90º
male/female bend
Water / Air
proof
insulation
68 mm Ø PVCU
Fitting
Min Ø 19 mm
Min Ø 30 mm
Drainage pipe with water
and air insulation
Maximum length of
the outer pipe
shall be 3 m.
Insert the drainage pipe
at least 25 mm into the tube
located outdoors
Pebble
≥ 500
≥ 25
Required
distance for
minimum 3-storey
buildings
Drainage and
Ventilation Pipe
Min Ø 19 mm
Water / Air proof
insulation
Outdoor flusher
Min Ø 19 mm
Inner pipe
75 mm flusher
bathroom/shower
drainage combined
with other drainage
lines
Minimum 30 mm
Inner pipe
Water / Air
proof
insulation
≥ 25 Distance under grid
45º pipe
termination
75
≥ 100
Figure 2.25
Connection of a Condensate Pump Typical
Method (see manufacturers detailed instructions)
Figure 2.26
Connection of condensate Drainage Pipe to
External Soil & Vent Stack
Figure 2.27
Connection of a Condensate Drainage Pipe to an
External Rainwater Downpipe (only combined foul/rainwater
drain)
Figure 2.29
Connection of a Condensate Drainage Pipe to an
External Purpose Made Soak Away.
Figure 2.28
Connection of Condensate Drainage Pipe
Upstream of a Sink, Basin, Bath or Shower Waste Trap to
External Drain, Gulley or Rainwater Hopper
INS
T
ALL
A
TION
CONDENSATE............ CONT’D
45º cross-
sectional drainage
pipe outlet
Open air flusher
Figure 19
Connection of Condensate Drainage to Rain Drainage Line through Sink,
Bathtub or Shower Drainage Pipe
