16
9.
Wiring ( including 200 litre cylinder c/w 50 litre buffer internal Unit)
Wiring Guide
Purpose
Specification
1 Supply to External Unit
3 core 16A Supply 4mm
2
2 Supply to Internal Unit
3 core 16A Supply 4mm2
3 Wired Controller.
Supplied 5 core ( 0.75mm2) - 10 metres
4 Domestic Hot Water Temperature Probe
Supplied 2 core( 0.75mm2) - 10 metres
5 Internal to External link cable
5 Core 0.75mm2 (Duct Grade)
6 Call for Heat Signal Cable
2 core shielded twisted pair 0.5m
7 Thermostat Signal
Cat 5 Twisted Pair (Duct Grade)
8 Supply to UH 4/8
3 Core 0.75mm2
9 Wiring Centre to Internal Unit ( Pump)
3 Core 0.75mm2
9.1 Wiring layout of Internal Unit
