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Zenith Range Instruction Manual

 

Page 7 

 

Control 

and indication(cont’d…) 

 

Status indicator lamps:

 

Red

 (heater circuit breaker armed and powered), 

White

 

(safety thermostat trip armed), 

Amber

 (pump interlock 

relay OK), 4 x 

Green

 (heating elements powered).  X 1 

Red EHOT. 

 

Electrical data 

Protection level:

 

 

IP 21   

Fuses: 

 

 

2 x 2 Amp 

Pump interlock voltage: 

230 V AC 

Element heat flux:

 

11.5 W/cm

2

 max. 

 

 

Standard Power Supply: 400V/3ph/50Hz 

Model Ref. 

Load kW 

Current Amps 

Per phase 

Elements 

(no. x nominal kW) 

ZHR  96 

96 kW 

140 

12 x 8 kW 

ZHR120 

120 kW 

174 

15 x 8 kW 

ZHR144 

144 kW 

206 

18 x 8 kW 

ZHR168 

168 kW 

244 

21 x 8 kW 

 
 

 

 

 

 

 

Weights and dimensions 
Packed dimensions:  81 x 58 x 83 cm 
Packed weight:          145 kg 
 
 

 

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Summary of Contents for ZENITH ZHR 96

Page 1: ...l Heater ZENITH RANGE 96kW 120kW 144kW 168kW Meddings Thermalec Ltd Kingsley Close East Way Lee Mill Industrial Estate Ivybridge Devon PL21 9LL United Kingdom Tel 01752 313343 Fax 01752 313353 sales t...

Page 2: ...on 10 Positioning the heater on the flowsheet 10 Positioning and piping connection of the heater 11 Direction of flow through the heater 12 Electrical Installation 12 3 OPERATION 15 Commissioning 16 F...

Page 3: ...rmalec we always welcome customer feedback Should you have any comments or suggestions regarding this equipment please do not hesitate to contact us Thermalec pool heaters are built to the highest sta...

Page 4: ...res of the Thermalec Zenith ZHR Pool Heater 2 Figure 2 Sectional model of a typical Thermalec Pool Heater 3 Figure 3 Suggested heater position on plant room flowsheet 10 Figure 4 Water connection on a...

Page 5: ...ited actions or procedures WARNING or INSTRUCTION Warning of danger General warning that special attention should be paid Important instruction that must be followed WARNING Voltage or high voltage Ri...

Page 6: ...Zenith Range Instruction Manual Page v...

Page 7: ...Zenith Range Instruction Manual Page 1 1 GENERAL...

Page 8: ...s of the Thermalec Zenith Pool Heater KEY Electrical control gear enclosure Drain valve Circuit breakers on front fascia Support foot Control panel on front fascia Water inlet default Water outlet def...

Page 9: ...Y Electrical control gear enclosure Inlet baffle plate uPVC element holding plate Temperature pocket Outlet baffle plate Water inlet overflow weir Water outlet nozzle default Water inlet port default...

Page 10: ...The heating elements are suspended inside the vessel from the thick uPVC element holding plate that covers the top of the vessel and from which the removable baffles are also suspended The heating el...

Page 11: ...n switched on followed by the circuit breakers on the heater A red indicator shows that the heater is powered An amber light on the heater indicates that the filter pump is in operation If the pump do...

Page 12: ...ater 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 an...

Page 13: ...owered X 1 Red EHOT Electrical data Protection level IP 21 Fuses 2 x 2 Amp Pump interlock voltage 230 V AC Element heat flux 11 5 W cm2 max Standard Power Supply 400V 3ph 50Hz Model Ref Load kW Curren...

Page 14: ...Zenith Range Instruction Manual Page 8 2 INSTALLATION...

Page 15: ...These are designed such that in May of an average year in North western Europe an outdoor pool that is heated during the off peak power supply period of seven hours a day will take about five nights...

Page 16: ...g diagram illustrates a suggested plant flowsheet showing the positioning of the heater with respect to the other plant room process units Chemical dosing systems should not be installed adjacent to t...

Page 17: ...point of a pipework system Water may drain from the heater causing damage to it The pipework must be designed such that the heater is always full of water The heater must always be installed horizonta...

Page 18: ...itch heater circuit breakers to OFF b Switch main power supply and pump interlock supply to OFF c Remove main cover d Reverse the two probes The controller probe is situated at the left hand end of th...

Page 19: ...led firmly down onto the incoming cable ends Make sure that the cable is of sufficient diameter to ensure a good clamp is made and if required wind a length of copper strand around the other strands t...

Page 20: ...Zenith Range Instruction Manual Page 14 Figure 4 Drg APH 13 19 Heater filter pump interlock...

Page 21: ...Zenith Range Instruction Manual Page 15 3 OPERATION...

Page 22: ...ve flow of water into pool Amber pump supply lamp ON j Switch main power supply to ON Red mains power supply light is ON k Remove seal from heater circuit breakers and switch ON Red and Amber heater s...

Page 23: ...00 gal hr 350 l min Minimum 1920 gal hr 160 l min 2400 gal hr 200 l min 2880 gal hr 240 l min 3360 gal hr 280 l min Calculation of the water flowrate To calculate the exact flowrate of water flowing t...

Page 24: ...consideration should be given to opening the vessel to remove debris If the pool is to be kept in a semi operational condition during the winter then the heater may only be left full of water if the f...

Page 25: ...t lf so reset and wait if thermostat trips again check for sufficient water flow and air in system lf trip is not associated with this check individual heating elements for insulation resistance Prote...

Page 26: ...xing of the warm water from the heater with the cooler water in the pool leading to a layer of warmer water forming at the height of the inlets To cure this aim the direction of the pool inlet jet dow...

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