Absolute Boilers ABS 1500-2000-2500-3000-4000
4
4.5 Condensate drain connection and trap
30
4.6 Water connection
31
4.6.1 Water pressure
32
4.6.2 Safety valve
32
4.6.3 Water treatment
33
4.6.4 Water Flow
34
4.6.5 Typical water system layout
35
4.6.6 Frost Protection
36
5. Electrical
36
5.1 General
36
5.2 Main power voltage
36
5.2.1 Sola Model R7910A-1027
37
5.2.2 Honeywell Sola R7910A 1027 control (sheet 1-12)
37
5.3 Power consumption
53
5.4 Limit Controls
53
5.4.1 Temperature control
53
5.4.2 Low water level protection (LWCO) (flow and content)
53
5.4.3 High limit protection
53
5.4.4 Air pressure switch
53
5.4.5 High gas pressure switch (HGP)
54
5.4.6 Low gas pressure switch (LGP)
54
6 Gas connection
55
6.1 Gas connection
55
6.1.2 Manual gas valve upstream of boiler
(The manual valves supplied by others) 55
6.1.3 Gas line piping to boiler
56
6.2 Gas pressures
56
6.3 Gas / air ratio control
57
6.4 Gas valve adjustment
57
7. Commissioning:
60
7.1 Pre operational checks
60
7.2 Safety and lighting instructions
60
7.3 Combustion setting and adjustment
61
Summary of Contents for ABS-1500
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