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HTI DS170 Inverter • Inverter high temperature air/water heat pump with DHW tank 70°C

The HTI high temperature heat pump with a DS170 DHW tank is an environmentally friendly device that uses the natural refrigerant R290 (propane) to heat water up to 70°C. The indoor module consists of a DHW tank of 170 liters and a built-in hydraulic module. The unit guarantees good operation down to -20°C outside temperature. The HTI monoblock is a heating only appliance with an inverter compressor; The unit maintains its high COP values even at negative outside temperatures. The DS170 consists of a monobloc outdoor unit and an indoor module with a buffer tank of 50 liters. Its compactness is its great asset and makes it applicable in most places.

Brand

  • Auer - Intuis

Application

  • Production of domestic hot water
  • Floor heating
  • Fan coils

Composition

Outdoor: Monoblock heatpump type HTI70 6-8-11-14 kW with supplied:
  • Communication cable of 10 m long, between HTI/Pilote (3 core and already connected to HTI) (do not place along the power supply cables)
  • Flexible pipes (Durite) of 1 m long => rest of the hydraulic circuit in fixed insulated pipe to indoor module (diameter according the distance between these two, see table at the bottom of this page)
  • Ball valve with built-in filter for placement on the return connection.
  • Pressure relief valve (2,5 bar) to be installed at the hydraulic output of the heatpump.

Indoor module Pilote DS 170 D:
  • Primairy circulation pump between the HTI heatpump and this indoor module
  • Built-in pump for circulation of central heating water through underfloor heating, radiators or fan coil units
  • Hydraulic disconnection between primary and secondary circuit
  • Enamelled tank for domestic hot water of 170 liters with built-in heating coil
  • 3-way valve for automatic switchover between DHW and CH water
  • Cast iron back-up resistance 3 kW
  • Pressure sensor
  • Electronic controller
  • Water pressure sensor
  • Expansion vessel 8L (dimensioned for hydraulic piping between indoor and outdoor unit)
  • Vent valve
  • Replaceable magnesium anode built into this tank
  • Only for models DS170 11 or 14: included buffertank 25 L (to be placed in return line)

Refrigerant

  • Ecological and natural refrigerant Propane (R290) with a GWP value of only 3

Installation

  • The secondary water pump is selected by the installer depending on the consumer network.
  • The startup of the installation is always with a technician of CAIROX BELGIUM.
  • Safety group should be placed on the cold water supply pipe - connect to drain pipe.
  • The addition of an anti-corrosion agent or a glycol/anti-corrosion mixture is mandatory.

Accessories

  • Room thermostat, type TH HRC70
  • Low water temperature regulation, type Thorix
  • Clean existing heating systems first.
  • Commissioning (STRONGLY RECOMMENDED), type XSTARTUPJ quote on request

Applicable outdoor units

  • HTI 6-8-11-14 kW

Technical data

DS170 indoor module  
Dimensionsmm1725 x Ø 520
Weightkg80
Backup resistanceW2 x 1500
Power supplyV230 mono
Absorbed currentA23
Cable section 3G4
Fuse 25A
Hydraulic connections 6 x 3/4"
Maximum water pressure CHBar2.5
    
HTI outdoor unit HTI 6 monoHTI 8 mono
Maximum water temperature°C7070
Maximum heating capacitykW68
Nominal heating capacity +7°C/+35°CkW4.176.06
Absorbed power +7°C/+35°CkW0.831.13
COP +7°C/+35°C 5.675.35
Heating capacity -7°C/+70°CkW5.56.85
Energy class A++A++
Annual energy consumptionKWh/year25713134
Sound level according to EN 12102dB(A)5657
Refrigerant (GWP) R290 (3)
Amount of refrigerant R290kg0.420.6
Dimensions outdoor unitmm1035 x 820 x 4801035 x 1070 x 480
Weight outdoor unitkg9298
Nominal air flow ratem³/h35004500
Nominal water flow ratem³/h1.051.35
Hydraulic connection diametermm26/34 male
Operating range°C-15°C to +40°C
Maximum absorbed currentA1515
Power supply outdoor unit 230V
FuseA2020
Cable sectionmm²3G2,53G2,5
Power position OFF (POFF) 0.0030.003
Power thermostat OFF (PTO) 0.0050.005
Power in standby (PSB) 0.0030.003
Power carter heating (PCK) 0.0130.013

Notes

A: Return from the heat pump
B: Supply to the heat pump
C: Return from the heating circuit
D: Suplly to the heating circuit
E: Domestic cold water
F: Domestic hot water
G: Decoupling
LTP: Floor temperature limiter aquastat
Rt: Thermostatic valve
Rm: Manual valve
SECS: Sanitary probe
Sext: Outdoor sensor
TA: Room thermostat
SA: Room sensor
VF: Filter valve

1: Heat pump circulation pump
2: Circulation pump for circuit 1
4: Module flow sensor
5: Safety aquastat 110 ° C
6: Auxiliary immersion heater 3kW
7: Pressure sensor
8: 3 bar safety valve
9: 3-way valve
10: Expansion vessel 8 liters
11: Air vent (not supplied)
12: Electrical connection (not supplied)
13: Security group for sanitary cold water (not supplied)
14: Filling device (not supplied)

Dimensions

 DescriptionHydraulic connection
1Outgoing water heat pump1"
2Incoming water back-up boiler1"
3Emptying3/4"
4Outgoing water back-up boiler1"
5Incoming water circuit 11"
6Outgoing water circuit 11"
7Incoming water circuit 2 (optional)1"
8Outgoing water circuit 2 (optional)1"
9Incoming water (cold) to heat pump1"
10Safety valve for drainingNot provided
    
HTIMinimum required piping diameter
6 kW8 kW
If distance between heat pump and indoor module >10m[mm]22/2422/24
(or the equivalent of 20m linear pressure losses)
If distance between heat pump and indoor module >10m and <15m[mm]24/628/30
(or the equivalent of 30m lineair drukverlies)
If distance between heat pump and indoor module >15 and <25m[mm]28/3032/34
(or the equivalent of 50m linear pressure losses)
If distance between heat pump and indoor module >25m and <50m[mm]32/3436/38
(or the equivalent of 100m linear pressure losses)
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