Thermalec ZENITH ZHR 96, Instruction Manual

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Zenith Range Instruction Manual
Page 6
Materials of construction
Heater vessel: Fusion epoxy coated cast iron
Element holding plate: uPVC
Gasket: Silicone rubber
Water connections: uPVC socket (metric or imperial)
Heater elements: Incoloy 825 sheath
Electrical enclosure: Powder coated steel or leather grain coated steel
Operating data
Water inlet/outlet: Socket for 63 mm or 3” NB pipe
Max. water temperature: 52°C heater outlet
Operating pressure: 2.0 bar max.
Ambient temperature: 40°C max.
Pool temperature control range: 15°C to 45°C
Thermostat operating differential: 0.5 C°
Heater technical details (cont’d...)
Permissible water flowrate ranges
Zenith Heater Installed power
96 kW 120 kW 144 kW 168 kW
Maximum (hard water) l/min. 700 700 700 700
Maximum (soft water) l/min. 350 350 350 350
Minimum l/min. 160 200 240 280
Control and indication
Power supply isolation: 2 x 3 pole 100A heavy duty circuit breakers (96 & 120 kW
heaters) and 3 x 3 pole 100A heavy duty circuit breakers
(144 & 168kW heaters) on front fascia.
Water temperature cut-out: Factory set to trip at water outlet temperature of 52 °C.
Manual reset on front fascia.
Thermostats: Pressurised liquid filled capillary type.
Pool temperature indicator: Pressurised liquid filled capillary thermometer with
analogue indicator dial.
Pool temperature control: Analogue dial - calibrated 15°C to 45°C and graduated at
1 C° intervals.
Mains indicator lamps: Red (mains power on), Amber (filter pump running)