MEGAFLO DD - Page 21

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21
L
N
N L
N L
Bl W G O GY
1 2 3
L N
HTG
ON
DHW
ON
PUMP
BOILER
3-PORT MID POSITION VALVE
MEGAFLO ECO (DHW) 2-PORT
VALVE (SUPPLIED)
WIRING CENTRE
(SUPPLIED)
PROGRAMMER
MEGAFLO ECO INDIRECT
THERMAL CONTROLS
(SUPPLIED FITTED)
1 3 2
ROOM STAT
NOTES:
1. A DOUBLE POLE ISOLATING SWITCH MUST BE INSTALLED IN THE MAINS SUPPLY.
2. ALL EARTH CONNECTIONS MUST BE LINKED BACK TO THE MAINS EARTH SUPPLY.
3. ASSUMES BASIC BOILER WITH EXTERNAL PUMP.
4. USE COPPER LINKS SUPPLIED TO MAKE CONNECTIONS BETWEEN TERMINALS.
5. DO NOT MOUNT WIRING CENTRE ON CYLINDER.
6. THE ABOVE DIAGRAM IS FOR GUIDANCE ONLY, HEATRAE SADIA ACCEPT NO LIABILITY FOR ANY LOSS OR DAMAGE ARISING FROM ANY ERRORS OR OMISSIONS.
THAT MAY BE INADVERTENTLY CONTAINED WITHIN THIS DIAGRAM. THE VARIOUS EQUIPMENT MANUFACTURERS SHOULD BE CONSULTED TO CONFIRM THE
CORRECT OPERATION OF THEIR PRODUCTS WITHIN THE SYSTEM.
KEY
Bl BLUE
Br BROWN
G GREY
O ORANGE
GY GREEN/YELLOW
DHW DOMESTIC HOT WATER
HTG HEATING
DHW
OFF
1
2 3 4 5 6 7
8
9
10
11 12
13 14
15
16
Bl
Br
G
O GY
L
N
N L
N L
G GY
1 2 3
L N
HTG
ON
DHW
ON
PUMP
BOILER
ZONEVALVE (HTG)
MEGAFLO ECO (DHW)
ZONE VALVE
(SUPPLIED)
WIRING CENTRE
(SUPPLIED)
PROGRAMMER
MEGAFLO ECO INDIRECT
THERMAL CONTROLS
(SUPPLIED FITTED)
1 3 2
ROOM STAT
NOTES:
1. A DOUBLE POLE ISOLATING SWITCH MUST BE INSTALLED IN THE MAINS SUPPLY.
2. ALL EARTH CONNECTIONS MUST BE LINKED BACK TO THE MAINS EARTH SUPPLY.
3. USE COPPER LINKS SUPPLIED TO MAKE CONNECTIONS BETWEEN TERMINALS.
4. DO NOT MOUNT WIRING CENTRE ON CYLINDER.
5. THE ABOVE DIAGRAM IS FOR GUIDANCE ONLY, HEATRAE SADIA ACCEPT NO LIABILITY FOR ANY LOSS OR DAMAGE ARISING FROM ANY ERRORS OR OMISSIONS.
THAT MAY BE INADVERTENTLY CONTAINED WITHIN THIS DIAGRAM. THE VARIOUS EQUIPMENT MANUFACTURERS SHOULD BE CONSULTED TO CONFIRM THE
CORRECT OPERATION OF THEIR PRODUCTS WITHIN THE SYSTEM.
KEY
Bl BLUE
Br BROWN
G GREY
O ORANGE
GY GREEN/YELLOW
DHW DOMESTIC HOT WATER
HTG HEATING
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
Bl Br O
G GYBl Br O
Figure 14 - 2 x 2 port valve system (“S”Plan)
Figure 13 - 2 port valve in conjunction with a 3 port mid-position valve system (“Y” Plan)
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