Technical data

Expansion valve
Cold mains
connection
(22mm)
Expansion valve
outlet (15mm)
Outlet connection
(22mm)
Pressure reducing
valve cartridge
(3.5bar)
FIG. 2 Secondary circulation connection
FIG. 1 Cold Water Combination Valve
FIG. 3 General Dimensions and features
7
A
B
C
D
448
371
412
E
F
29
588
20°
25°
30°
45°
81
Ø550
7
8
9
10
6
5
4
3
2
1
1. SOLAR PRIMARY RETURN
2. SOLAR PRIMARY FLOW
3. AUXILLARY BOILER RETURN
(INDIRECT MODELS ONLY)
4. AUXILLARY BOILER FLOW
(INDIRECT MODELS ONLY)
5. T&P VALVE
6. SECONDARY RETURN
7. BOOST IMMERSION HEATER
(DIRECT MODELS ONLY)
8. AUXILLARY CONTROL HOUSING
9. INLET
10. SOLAR CONTROL HOUSING
A B C D E F
TYPE
DIMENSIONS (mm)
AUXILLARY
VOLUME
(litres)
AUXILLARY COIL
SURFACE
AREA
(sq.m)
RATING
(kW)
HOT WATER
DRAW-OFF
(Litres ) to
40°C
HEATING
TIME
DIRECT
(MINS)
SOLAR
SURFACE
AREA
(sq.m)
NOMINAL
CAPACITY
(litres)
E = DIRECT
B = INDIRECT
170
E
NOTES:
1. Testing conformes to BS EN 12897 : 2006.
2. Direct heating times assume use of lower element only and auxillary cylinder volume being heated.
3. Coil primary ow rate of 15L/min with a ow temperature at 80°C ± 2°C.
1221
808 924 1.1
190 B
1372 865 925784 1085 1.1
120
0.61 14.7 132.5
126
210
E
1473
808 1183 1.1 1471099
210 B
1473 922 10951012 1186 1.1
120
0.68 15.0 136
260
E
1792
905 1498 1.1 1781384
300
E
2038
999 1749 1.1 2101624
250 B
1731 1066 12791143 1438 1.1
145
0.79 16.2 166
300 B
2038 1256 15921440 1752 1.1
175
0.79 18.8 181
HOT WATER
DRAW-OFF
(Litres ) to
40°C
202
161
231
276