Baxi Potterton WH46, WH65 manual Heat Exchanger Pressure Drop

Page 19

Applications (pumps, sensor, remote control ...) have to be connected to terminal as follows (see also section 14):

APPLICATION

TERMINAL BOARD

 

 

PRIMARY PUMP PLP

M1: A – B

 

 

DHW PUMP PDHW

M3: 13 – 14

 

 

HEATING PUMP P1

M3: 11 – 12

 

 

DHW SENSOR TS

M2: 7 – 8

 

 

REMOTE CONTROL QAA73 (LOW TEMPERATURE)

M2: 1 – 2

 

 

ROOM THERMOSTAT

M2: 3 – 4

 

 

HEATING PUMP P2

CLIP IN AGU 2.500

 

 

3 WAY VALVE

CLIP IN AGU 2.500

 

 

FLOW SENSOR

CLIP IN AGU 2.500

Parameter changes requires (see also section 16):

PCB

Description

Setting Parameter

PARAMETER

 

 

 

H552

Hydraulic system

H552

= 50

 

 

 

 

H553

KonfigHKS

H553

= 12

 

 

 

 

H615

KonfigAusgang

H615

= 9

 

 

 

 

H632

Wanfo Q8

H632

= 00001111

 

 

 

 

13.3 HEAT EXCHANGER PRESSURE DROP

 

 

 

 

 

Hydraulic Resistance and Water Flow Rates

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Boiler

11°C ∆T

 

 

 

15°C ∆T

 

20°C ∆T

 

30°C ∆T

 

 

 

 

 

 

 

 

 

 

 

 

 

 

kPa

 

Lit/sec

 

kPa

 

Lit/sec

kPa

Lit/sec

kPa

Lit/sec

 

 

 

 

 

 

 

 

 

 

 

 

WH46

70,61

 

0,98

 

31,38

 

0,72

11,77

0,54

10,79

0,36

 

 

 

 

 

 

 

 

 

 

 

 

WH65

56,88

 

1,41

 

34,32

 

1,04

20,59

0,78

11,77

0,52

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Boiler

 

Minimum Water Flow Rates

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Lit/sec

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WH46

 

 

 

0,28

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WH65

 

 

 

0,35

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

INSTRUCTIONS PERTAINING TO THE INSTALLER

19

926.772.1 - GB/IE

 

 

Image 19
Contents WALL-MOUNTED Condensing Boilers INSTALLATION, Operation and Maintenance ManualContents Instructions Prior to Commissioning Instructions Prior to InstallationKeys Commissioning of the BoilerDescription of Keys Central heating mode operating keySetting the Maximum HOT Water Temperature Setting the Maximum Central Heating TemperatureSetting the Minimum Central Heating Temperature Setting the daily times for central heating mode operationTable for USER-SETTABLE Parameters Fault Warnings and Resetting the BoilerE110 Fault Warnings TableTurning OFF the Boiler Filling the BoilerServicing Instructions and GAS Change Hot water circuit General InformationHeating circuit New system Existing system Boiler InstallationBoiler Size Installation of Flue and AIR DuctsHorizontal Concentric Flues Concentric flueVertical Flue Terminal Ø 80/125 mm Installation Options Horizontal Flue Terminal Ø 80/125 Installation OptionsHydraulic System Hydraulic DiagramPCB AGU Heat Exchanger Pressure Drop Connecting the Mains Supply AC 50 Hz 1 a max cos φ Connecting the PumpsConnecting the HOT Water Tank Sensor CLIP-IN AGU Description of the Electrical Connections to the BoilerFault messages Connecting the QAA73 Temperature RegulatorWithout QAA73 room temperature regulator Connecting the Outdoor Temperature SensorWith AGU2.500 for control of a low temperature system With QAA73 room temperature regulatorGAS Valve Adjustment PCI MJ/Kg NET 34.02 H91 Setting the Boiler ParametersControl and Operation Devices Check of Combustion Parameters Activating the CHIMNEY-SWEEP Function Annual ServiceBoiler Schematic Illustrated Wiring Diagram Boiler model WH Category Technical DataTelephone

WH46, WH65 specifications

The Baxi Potterton WH65 and WH46 are renowned for their efficiency and reliability, designed to meet a variety of heating requirements in residential and commercial settings. These models exemplify advanced engineering, ensuring that users benefit from optimal performance and reduced energy consumption.

One of the main features of these units is their exceptional heat output. The WH65 boasts a powerful output of 65 kW, making it suitable for larger properties or commercial spaces with high heating demands. Conversely, the WH46 provides a more moderate output of 46 kW, ideal for smaller applications. Both models are built to provide consistent heating, contributing to a comfortable environment regardless of external weather conditions.

Technologically, the Baxi Potterton WH series utilizes a robust cast iron heat exchanger, renowned for its durability and long lifespan. This feature not only enhances the unit’s efficiency but also aids in better heat retention, allowing the boiler to operate at optimal levels for extended periods. The heat exchanger is complemented by an intelligent control system, which allows for easy adjustments to settings, ensuring that the heating output can be modified to suit specific needs.

Another important characteristic of the WH65 and WH46 is their user-friendly interface. Both models are equipped with clear and intuitive controls, making it easy for homeowners and technicians alike to operate and maintain the units. For added convenience, these boilers can be integrated with external controls, enabling smart temperature management and energy saving.

The efficiency ratings of the WH65 and WH46 models are commendable, allowing for lower energy bills and a reduced carbon footprint. These boilers comply with stringent environmental standards, contributing to eco-friendliness without compromising performance.

In terms of installation, both models are designed with flexibility in mind. They can be installed in various positions, adapting to space constraints or specific installation requirements. Furthermore, the boilers are relatively lightweight for their category, making them easier to handle during the installation process.

In conclusion, the Baxi Potterton WH65 and WH46 are exemplary heating solutions that combine power, efficiency, and user-friendly features. They cater to diverse heating needs while ensuring durability and compliance with modern energy standards, making them a popular choice among consumers and heating professionals alike.