Install Instructions

8
Installation and maintenance instructions Logano G215 US oil/gas-fired boilers • Issue 2014/10
We reserve the right to make any changes due to technical modifications.
Technical information3
3 Technical information
3.1 Technical data for boiler without burner
Select a suitable burner for this boiler using the
information in this chapter.
Fig. 2 Connections and dimensions (measurements in inches)
30¾
29¼
27
21
EL ¾
2¾
6
29¼
4¼
3¼
23½
41
34¾
11¾
1½
1
1½
1
Connections (measurements see following tables):
VK = Boiler supply VS = Hot water tank supply
RK = Boiler return
EL = Boiler drain (connection for drain valve)
Boiler model 215/3 215/4 215/5 215/6 215/7
Boiler sections Number 3 4 5 6 7
Heating capacity (gross output) Btu/hr 134,000 171,000 207,000 256,000 294,000
Thermal output (net IBR output) Btu/hr 117,000 149,000 180,000 223,000 256,000
Boiler water content Gal approx. 12.9 approx. 16.1 approx. 19.3 approx. 22.5 approx. 25.6
Gas content cu.ft. 1.35 1.73 2.10 2.48 2.86
Oil firing rate GPH 1.1 1.4 1.7 2.1 2.5
Hot gas resistance psi 0.0023 – 0.0078
Permissible max. supply temperature1 °F 248
Allowable operating pressure psi 58
Maximum time constant of thermostat
and high limit safety cut-out (STB)
s 40
Tab. 1 Technical data for boilers without burners
1
Safety limit (high limit safety cut-out STB)
Maximum possible flow temperature = safety limit (STB) – 32 °F
Example: Safety limit (STB) = 212 °F, maximum possible flow temperature = 212 – 32 = 180 °F
The safety limit must comply with the national regulations.