MHG Heating Unvented Calorifer Range, Installation And Operating Manual

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© MHG Heating Ltd
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MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR
Phone 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk
010313
Draft
Single Coil Indirect Unit
# Description Connection Size 90 – 300L Connection Size 400 – 500L Connection Size 600 – 1000L
1 Cold Fill In 22mm 28mm 28mm
2
Primary Flow and Return 22mm 28mm 28mm
3 Hot Water Out 22mm 28mm 28mm
4 Immersion Element Supplied Loose (Twin with Direct Units) Supplied Loose (Twin with Direct Units) Supplied Loose (Twin with Direct Units)
5 Thermostat Pocket 22mm (Indirect unit Only) 22mm (Indirect unit Only) 22mm (Indirect unit Only)
6 Temperature and Pressure Relief Valve Fitted Fitted Fitted
Twin Coil Indirect Unit
# Description Connection Size 90 – 300L Connection Size 400 – 500L Connection Size 600 – 1000L
J Cold Fill 22mm 28mm 28mm
D Boiler Primary Flow and Return 22mm 28mm 28mm
B
Hot Water 22mm 28mm 28mm
F Immersion Element 3kW 1 Phase Supplied Loose (Twin with Direct Units) Supplied Loose (Twin with Direct Units) Supplied Loose (Twin with Direct Units)
A Solar Thermostat Pockets Sensor Phial Sensor Phial Sensor Phial
C Temperature and Pressure Relief Valve Fitted Fitted Fitted
E
Thermostat Pockets 22mm 22mm 22mm
G / H Solar Primary Flow and Return 22mm 28mm 28mm
I Aux Thermostat Pocket 22mm 22mm 22mm