2 - Ra T Ings And Ca Pa Cit Ies; Ratings And Capacity; Domestic Hot Water Specifications - ECR International COMBI 115 Installation, Operation And Maintenance Manual

1 2 TECH N I CAL DATA
1 2 .1 Ra t ings a nd Ca pa cit y
Model
Num ber
DCB-75
MAH-75
DCB-100
MAH-100
DCC-115
MAC-115
DCB-125
MAH-125
DCC-150
MAC-150
DCB-165
MAH-165
DCC-205
MAC-205
( 1) 1000 Bt u/ hr ( Brit ish Therm al Unit s Per Hour)
(2) Heating Capacity and AFUE (Annual Fuel Utilization Efficiency) are based on DOE (Department of Energy) test procedures.
( 3) Net AHRI Rat ings based on piping and pickup allowance of 1.15. Cont act Technical Support before select ing boiler for inst allat ions
having unusual piping and pickup requirem ent s, such as int erm it t ent syst em operat ion, ext ensive piping syst em s, et c.
* Max CH Supply t em p 176° F ( 80° C)

12.2 Domestic Hot Water Specifications

I t em
I nput Ratings (MBH)
Output Ratings (MBH)
Dom estic Water Pressure
Minim um Flow Rate
Maxim um Flow Rate
Flow Rate 77° F (43° C) Tem p. Rise
DHW Supply Connection Size
Cold Wat er I nput Connect ion Size
* 1/ 2" Copper st ub adapt ers included wit h boiler
1 2 - RATI N GS AN D CAPACI TI ES
(1)
CH I nput, MBH
Maxim um Minim um
75 16.6
93.5 16.6
93.5 16.6
125 22
125 22
164 29.5
164 29.5
Min
Max
Min
Max
1/ 2"BSPT at boiler or 1/ 2" Copper Sweat*
1/ 2" BSPT at boiler or 1/ 2" Copper Sweat*
(1) ( 3)
Net AHRI
(1)(2)
CH Heat ing
Rat ing Wat er,
Capacity, MBH *
MBH
68.2 60
85.4 74
85.4 74
113 98
113 98
153 133
153 133
115 150
16.6 22
115.5 153
15.3 19
105.5 136
2.9 psi (0.2 bar) - 116 psi (8.0 bar)
0.55 GPM
2.64 gpm 3.50 gpm
2.35 gpm 3.25 gpm
6 7
( 2)
AFUE%
90.0
95.0
95.0
95.0
95.0
95.0
95.0
205
29.5
205
26
180
0.50 GPM
5.00 gpm
4.65 gpm
3/ 4" NPT
3/ 4" NPT
240013687 REV A [ 09/ 01/ 2022]