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1.2 Standard Equipment
Check that all the components of your Excelsior unit are contained in the kit prior to installation.
Your Excelsior should include the following:
3kW heating element
- incorporating control thermostat and re-settable safety cut-out
Combination (control) valve
comprising:
Line strainer, non-return (check) valve, pressure reducing valve & expansion relief valve
Tundish
- 15mm female x 22mm female
Temperature/Pressure relief valve
- set at 90°C and 7 bar pressure (factory fitted)
Cylinder thermostat
- temperature control setting 30-70°C (indirect units only)
Thermal cut-out
- set to operate at 82°C +/-5°C (indirect units only)
Expansion vessel -
with capacity to suit vessel size (external expansion units only)
Motorised valve
(indirect units only)
2. Dimensions and Performance
The diagrams on the following pages show the standard range of Excelsior vessels.
All dimensions are in millimeters unless otherwise stated. (Tol/- 10mm)
All unvented installations must comply with local building
regulations
.
England & Wales: G3 Building Regulations
Scotland: Technical Standard P3
Northern Ireland: Building Regulation P5
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Excelsior coil data is based on a max primary flow temperature of 80°C.
Water flow and return temperature differential of 20°C.
It is recommended that the back pressure in the coil is restricted to 0.3bar. (See table below for flow rates)
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Содержание EXCELSIOR
Страница 1: ...Water heating systems March 2014 Installation Manual EXCELSIOR Unvented Water Heater EXCELSIOR ...
Страница 5: ... 2 1 Excelsior Direct and Indirect Cylinders Internal ...
Страница 6: ... 2 2 Excelsior Direct and Indirect Cylinders External ...
Страница 7: ... 2 3 Excelsior Solar Range ...
Страница 8: ... 2 4 Excelsior Heat Pump Range ...
Страница 9: ... 2 5 Excelsior Buffer Range 2 6 Excelsior Horizontal Direct Range ...
Страница 10: ... 2 7 Excelsior Horizontal Indirect Range ...
Страница 15: ... Figure 4 Combination Valve Figure 5 Inlet Group External Expansion Figure 6 Inlet Group Internal Expansion ...
Страница 26: ... ...
Страница 27: ... ...