5
Module 4
2.2 Pre-Heat Appliance Schematic
Fig. 2.2 EnerWorks Pre-Heat Solar Water Heating Appliance (with optional leaf-guard)
Solar Collector
Installation Manual
10
12
11
9
1
2
3
4
5
6
8
7
13
15
9
14
14
16
18
17
Solar collectors (1 to 4)
Line-set roof-penetration (behind flashing)
Heat transfer fluid line from collectors to
Energy Station (red – carries hot fluid)
Heat transfer fluid line from Energy Station to
collectors (blue – carries cool fluid)
Cold mains water supply (blue)
Hot water supply to home (red)
Thermosiphon loop,
solar-heated water to storage tank (red)
Thermometer
Bypass valves
(to isolate Appliance for service)
Anti-scald valve
(not included, may be required by code)
1
2
3
4
5
6
7
8
12
15
16
17
18
13
9
10
11
14
Heat trap (U-bend limits heat loss)
Solar storage tank
Energy Station
Pre-existing or auxiliary hot water tank or
on-demand heater
Pressure relief valve (inside cover)
Thermosiphon loop feed (from storage)
Содержание EWRA1
Страница 37: ......