Safety
DO NOT BYPASS THE THERMAL CUT-OUT(S) IN ANY CIRCUMSTANCES
DISCONNECT FROM THE MAINS SUPPLY BEFORE REMOVING ANY COVERS
NEVER ATTEMPT TO REPLACE AN IMMERSION HEATER OTHER THAN WITH THE RECOMMENDED HEATRAE SADIA MEGAFLO Eco
SOLAR SPARE PART
Figure 15 - Schematic wiring diagram - Direct immersion heaters, with adjustment details
Figure 16 - Adjustment details
THERMAL CUT-OUT RESET BUTTON
Direct Wiring Layout
N
1.5mm² 3 Core
HOFR sheathed
cable
L
SPINDLE POSITIONS
= MINIMUM TEMP
= MAXIMUM TEMP
= APPROX 60 °C
ROTATE SPINDLE CLOCKWISE
FOR TEMPERATURE INCREASE
AND COUNTER CLOCKWISE
FOR TEMPERATURE DECREASE
TEMPERATURE ADJUSTING
SPINDLE
Unvented Hot Water Cylinder
23