Installation Instructions

6
315
A
354 - indirect
B
HOT OUTLET
T&P VALVE
COLD INLET
PRIMARY RETURN
PRIMARY FLOW
25°
45°
30°
45°
595
Ø
550
306 - direct
Fig. 4 General dimensions
Notes:
1. Indirect cylinders tested in conformance with BS EN 12897:2006
2. Heat up time from cold through 45°C, with a primary ow rate 15ltrs/min at 80°C +/- 2°C.
3. Direct heating times assume use of lower element only, from cold, through 45°C.
Table 2: Dimensions and performance
Type Model
Reference
Dimensions (mm) Primary Flow
(ltrs/min @80°C
+/- 2°C)
Coil Rating
(kW)
Heat-up Time
(mins)
Hot Water
Capacity (ltrs)
(volume of water
drawn off >40°C)
A B
Indirect 120zi 930 615 15 12.5 29 104
150zi 1114 800 15 12.5 37 138.5
170zi 1240 925 15 15 35 156.5
210zi 1498 1184 15 15 43 196
250zi 1752 1378 15 18 43 227
300zi 2067 1693 15 19 49 242.5
Direct 120zd 930 615 121 104
150zd 1114 800 152 138.5
170zd 1240 925 173 156.5
210zd 1498 1184 215 196
250zd 1752 1378 257 227
300zd 2067 1693 310 242.5