Absolute ABS-1500 - Page 4

Absolute Boilers ABS 1500-2000-2500-3000-4000
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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) (ow 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