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33-1197 Solahart Owner‟s Manual – Thermosiphon Systems - Revision H – Nov 2013

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SOUTH AFRICAN SYSTEM SANS 1307 DETAILS
System

181KF

Tank

181J

180J / 180F

Collector

1 x KF

302KF

302J

300J / 300F
1xJ

2 x KF

2xJ

This is a dual purpose water heater.
For Solar heating, this is an indirect heated tank.

Type
Moisture Resistance Classification
Thermal Properties – Q factor
At 16 MJ/m2 with temperature difference of 10°C.

IP34

IP34

17.882

Heat Loss Coefficient

19.04

35.407

2.93 W/K
2

Total Energy Rating – kW/h/m /day
South African Climate

3.2
(KF collector)

South African Tank Rated Capacity

3.4
(J collector)

35.535
2.04 W/K

3.2
(KF collector)

3.4
(J collector)

175 litres

250 litres

600 kPa (6 bar)

600 kPa (6 bar)

Standing Heat Loss / 24 hours – standard design

2.78 kWh

3.46 kWh

Standing Heat Loss / 24 hours – solar design

2.085 kWh

2.595 kWh

South African Tank Rated Working Pressure

Rated Power Input

Either 1800, 2400, 3600, 4800 Watts – refer to tank rating label

Notes:
To ensure safe and effective performance, this water heater shall be installed, maintained and repaired strictly in
accordance with the appropriate and relevant requirements of SANS 10254.
For safe performance this water heater is fitted with a:
Thermostat
Non-self resetting thermal cut-out
Combination Temperature Pressure Relief (TPR) Valve (Safety Valve)
Pressure Control Valve and Expansion Control Valve (ECV) (unless the water supply pressure cannot exceed the rated
pressure of this water heater or its safety value whichever is lowest)
Heat exchange jacket (solar heater transfer fluid circuit) pressure relief valve (when operated with solar heating)


80 kPa – without Over Temperature Protection (OTP) to the heat exchanger jacket vent port



200 kPa – with Over Temperature Protection (OTP) to the heating fluid reservoir tank.

Warnings
This water heater MUST NOT BE OPERATED without each of these devices fitted and in working order.
The Temperature Pressure Relief Valve, Expansion Control Valve and their drain pipes must not be tampered with.
DO NOT seal or block the relief valve, control valve or drain pipe outlet.
SOUTH AFRICAN SPECIFIC OPERATING COMPONENTS

SANS 198 Compliant
Pressure Control Valve
Temperature Pressure Relief Valve (Safety Valve)
Vacuum Breaker

Caleffi 533CV4 – 400 kPa
Apex – 400 kPa, 18 kW
Cobra PB 6.302

SANS 1808 Compliant
Drain Cock

not supplied