DEDICATED PRESSURE SYSTEMS LTD.

Telephone 01372 803 675
Fax 01372 803 678
Email dps@heatweb.com
 
Internet http://www.heatweb.com

The Institute of Plumbing

R/O Shops, 9-19 Manor Green Road, Epsom, Surrey KT19 8RA

SPECIFICATION 1644-4

21/06/00
Copies / revised specifications
can be obtained via fax / email

Designed for David Maxwell-Lyte
Heat Bank Thermal Store System  
HBPP System D  
Everest combination unit  
Single Heat Exchanger (30 ltr/min)  
Indirect  
40mm Foam Insulation  
High duty primary coil  
S-Plan primary controls  
Sealed primary system  
RX1 Programmable Room Thermostat  
All fitted controls are wired  
28mm Primaries  
Backup Immersion Heater  
Fitted Primary Pump  
Cased  

Unit Code

1644.4.11644.4.2

Capacity [litres]

210250

Base Diameter [mm]

450450

Overall Diameter [mm]

530530

Height [mm]

17201980
 

2   Plate Heat Exchanger
3   Heat Exchanger Pump
4   Flow Switch
5   Thermostatic Blending Valve, Mixcall III
6   Manual Air Vent
7   Automatic Air Vent
8   Filling Vent
9   Feed to Ball Valve
10  Isolating Valve
11  Y-Pattern Strainer (supplied loose)
12  Overflow
13  Cold Feed / Expansion
14  Immersion Heater 3kW Incaloy with Stat
16  Cold Mains In, 22mm
17  Hot Mains Out, 22mm
18  Drain Cock
19  Flow From Boiler 28mm
21  Flow to Primary Coil
22  Return from Primary Coil
23  Flow to Heating 28mm
25  By-Pass Connection 15mm
26  Primary Pump UPS 15/60
29  Primary Coil Balancing Valve
30  Primary Expansion Vessel 8 litres
31  Primary Filling Point, with Check Valve
32  Pressure Relief Valve with Gauge 3 bar 1/2''
33  Danfoss Radio Reciever
35a Two Port Zone Valve - Hot Water 22mm
35b Two Port Zone Valve - Heating 28mm
38  Cylinder Thermostat Danfoss ATC
39  White Coated Steel Casing

 
Notes..

The only parts of the system that cannot be factory wired are the boiler and the room thermostat. We are unable to wire up the boiler, however we are able to overcome wiring to the room stat by using a DanfossTP5E RF room thermostat and RX1 digital radio receiver. The room stat communicates with the receiver (fitted and wired to the Heat Bank Thermal Store) using a digital radio signal. The room stat runs for two years of two standard AA batteries, requires absolutely no wiring, and can be easy positioned (or re-positioned) to suit. Another huge benefit, is the ability of the room stat to heat the property to different temperatures, at different times. This allows large energy savings to be made, while increasing comfort levels.

The unit is fitted with one heat exchanger, capable of delivering 30 litres/minute @45°C (80°C storage). The graphs shown the domestic hot water output that can be achieved for various storage temperatures.

  

A Mains Water Isolating Lever Valve must be fitted within the cylinder cupboard, in clear view and easily accessible. A Strainer (supplied loose) must also be fitted, down stream of the isolating valve, to protect the flow switch [4].
It is advised that the mains water is tested for hardness. In areas of hard water, we advise the use of a scale inhibitor.
A chemical corrosion inhibitor, such as Sentinal X100, must be added to the stored water within the cylinder. Anti-freeze should also be added where there is a possibility of prolonged exposure to sub-zero temperatures.