Installation, Operation and Maintenance Instructions User guide

LAARS Heating Systems
Page 18
Section 5
WATER FLOW REQUIREMENTS
5.1 MagnaTherm Boiler Flow and Head Requirements
5.2 MagnaTherm Water Heater Flow and Head Requirements
Dimensional Data Sizing Data
Water Pipe
Gas Pipe
Boiler Thermal
Efficiency
Water Heater Thermal
Efficiency
Water
Content
Vent
Diameter
Vent
Length
Inches cm Inches cm Inches cm Inches cm (NPT) (NPT) MBH kW MBH kW % % lbs kg lbs kg lbs kg Gallons in (cm) ft (m)
2000 29.3 75 77 196 38.0 97 57.0 145 2.5 1.5 2000 1999 586 1883 552 95.0 96 1390 630 1562 709 1590 721 22 8 (20) 100 (30.5)
2500 29.3 75 77 196 38.0 97 57.0 145 2.5 1.5 2500 2499 732 2374 696 95.0 96 1785 810 2039 925 1985 900 31 8 (20) 100 (30.5)
3000 30.8 78 87 221 41.5 105 60.5 154 3 2 3000 3000 879 2814 825 95.0 95 1785 810 2039 925 1985 900 31 10 (25) 100 (30.5)
3500 30.8 78 87 221 41.5 105 60.5 154 3 2 3500 3500 1025 3317 972 95.0 96 2278 1033 2742 1244 2478 1124 56 10 (25) 100 (30.5)
4000
34.5 88 97 246 52.0 132 70.0 178 4 2.5 4000 4000 1172 3724 1091 95.0 96 2278 1033 2742 1244 2478 1124 56 12 (30) 100 (30.5)
Water Heater
Thermal Efficiency
MBH kW %
2000 1999 586 96
2500 2499 732 96
3000 3000 879 95
Boiler Water Flow Requirements 3500 3500 1025 96
4000 4000 1172 96
Size
Flow
Head Loss Flow Head Loss Flow Head Loss Flow Head Loss
Flow Head Loss Flow Head Loss Flow Head Loss Flow Head Loss
GPM Feet GPM Feet GPM Feet GPM Feet
LPM m LPM m LPM m LPM m
2000 150 30 128 23.5 109 17.1 95 13.6
2000 568 9.2 485 7.2 413 5.2 360 4.2
2500 190 34 158 23.6 136 17.6 119 13.6
2500 719 10.0 599 7.0 514 5.0 449 4.1
3000 226 47 190 34.2 164 25.8 142 18.9
3000 856 14.3 719 10.4 621 7.9 538 5.8
3500 266 41 222 30.6 190 23.6 166 18.6
3500 1007 12.0 839 9.0 719 7.0 629 6.0
4000 300 48 255 38.2 218 28.5 190 22.5
4000 1136 14.6 965 11.6 825 8.7 719 6.9
Volume Water Heater Flow Requirements
Temp Rise Flow Head Loss Grains
°F (°C) GPM (LPM) Feet (m) per Gallon
2000 20 (12) 177 (670) 43.9 (13.4)
10
2500 25 (14) 220 (833) 46 (14)
10
3000 25 (14) 220 (833) 46 (14)
10
3500 30 (17) 266 (1006) 41.2 (12.6)
10
4000 30 (17) 266 (1006) 41.2 (12.6)
10
MagnaTherm Electrical Options
Current (Nominal)
2000 2500 3000 3500 4000 2000 2500 3000 3500 4000
22.6 N/A N/A N/A N/A 15.1 N/A N/A N/A N/A
11.3 N/A N/A N/A N/A 8.8 N/A N/A N/A N/A
12.7 19.4 19.4 19.4 19.4 7 12.5 12.5 13 13
6.2 8.7 8.7 8.7 8.7 3.2 5 5 4.8 4.8
4.5 5.9 5.9 5.9 5.9 2.8 4 4 4.4 4.4
Size
Size
SizeSize
A B C D
Temperature Rise in °C
30°F
Temperature Rise in °F
25°F
35°F
Output Rate
Shipping WeightOutput Rate
Product Weight Operating Weight
Input Rate
208V Three Phase
480V Three Phase
600V Three Phase
Voltage
Current (FLA)
120V Single Phase
240V Single Phase
40°F
14°C
17°C
19°C
22°C
Headloss is for boiler only (no piping)
* * *
Dimensional Data Sizing Data
Water Pipe
Gas Pipe
Boiler Thermal
Efficiency
Water Heater Thermal
Efficiency
Water
Content
Vent
Diameter
Vent
Length
Inches cm Inches cm Inches cm Inches cm (NPT) (NPT) MBH kW MBH kW % % lbs kg lbs kg lbs kg Gallons in (cm) ft (m)
2000 29.3 75 77 196 38.0 97 57.0 145 2.5 1.5 2000 1999 586 1883 552 95.0 96 1390 630 1562 709 1590 721 22 8 (20) 100 (30.5)
2500 29.3 75 77 196 38.0 97 57.0 145 2.5 1.5 2500 2499 732 2374 696 95.0 96 1785 810 2039 925 1985 900 31 8 (20) 100 (30.5)
3000 30.8 78 87 221 41.5 105 60.5 154 3 2 3000 3000 879 2814 825 95.0 95 1785 810 2039 925 1985 900 31 10 (25) 100 (30.5)
3500 30.8 78 87 221 41.5 105 60.5 154 3 2 3500 3500 1025 3317 972 95.0 96 2278 1033 2742 1244 2478 1124 56 10 (25) 100 (30.5)
4000
34.5 88 97 246 52.0 132 70.0 178 4 2.5 4000 4000 1172 3724 1091 95.0 96 2278 1033 2742 1244 2478 1124 56 12 (30) 100 (30.5)
Water Heater
Thermal Efficiency
MBH kW %
2000 1999 586 96
2500 2499 732 96
3000 3000 879 95
Boiler Water Flow Requirements 3500 3500 1025 96
4000 4000 1172 96
Size
Flow
Head Loss Flow Head Loss Flow Head Loss Flow Head Loss Flow Head Loss Flow Head Loss Flow Head Loss Flow Head Loss
GPM Feet GPM Feet GPM Feet GPM Feet LPM m LPM m LPM m LPM m
2000 150 30 128 23.5 109 17.1 95 13.6 2000 568 9.2 485 7.2 413 5.2 360 4.2
2500 190 34 158 23.6 136 17.6 119 13.6 2500 719 10.0 599 7.0 514 5.0 449 4.1
3000 226 47 190 34.2 164 25.8 142 18.9 3000 856 14.3 719 10.4 621 7.9 538 5.8
3500 266 41 222 30.6 190 23.6 166 18.6 3500 1007 12.0 839 9.0 719 7.0 629 6.0
4000 300 48 255 38.2 218 28.5 190 22.5 4000 1136 14.6 965 11.6 825 8.7 719 6.9
Volume Water Heater Flow Requirements
Temp Rise Flow Head Loss Grains
°F (°C) GPM (LPM) Feet (m) per Gallon
2000 20 (12) 177 (670) 43.9 (13.4)
10
2500 25 (14) 220 (833) 46 (14)
10
3000 25 (14) 220 (833) 46 (14)
10
3500 30 (17) 266 (1006) 41.2 (12.6)
10
4000 30 (17) 266 (1006) 41.2 (12.6)
10
MagnaTherm Electrical Options
Current (Nominal)
2000 2500 3000 3500 4000 2000 2500 3000 3500 4000
22.6 N/A N/A N/A N/A 15.1 N/A N/A N/A N/A
11.3 N/A N/A N/A N/A 8.8 N/A N/A N/A N/A
12.7 19.4 19.4 19.4 19.4 7 12.5 12.5 13 13
6.2 8.7 8.7 8.7 8.7 3.2 5 5 4.8 4.8
4.5 5.9 5.9 5.9 5.9 2.8 4 4 4.4 4.4
Size
Size
SizeSize
A B C D
Temperature Rise in °C
30°F
Temperature Rise in °F
25°F
35°F
Output Rate
Shipping WeightOutput Rate
Product Weight Operating Weight
Input Rate
208V Three Phase
480V Three Phase
600V Three Phase
Voltage
Current (FLA)
120V Single Phase
240V Single Phase
40°F
14°C
17°C
19°C
22°C
*
*
*
**
Water Flow Requirements (for water heater submittal)
Model Flow Rate Temp Rise Headloss Flow Rate Temp Rise Headloss Flow Rate Temp Rise Headloss Flow Rate Temp Rise Headloss
GPM °F Ft LPM °C m GPM °F Ft LPM °C m
2000 152 25 33.0 575 14 10.1 177 21 43.9 670 12 13.4
2500 190 25 33.7 719 13.9 10.0 220 21 46.0 833 11.7 14
3000 190 30 36.0 719 17 11.0 220 26 46.0 833 14 14
3500 222 30 30.6 839 17 9.0 266 25 40.6 1007 14 12
4000 224 34 30.0 848 19 9.1 266 29 41.2 1007 16 12.6
Allowable pH: 6.5 to 9.5
Headloss is for the heater only (no piping)
Water Hardness
1-10 grains per gallon
Water Hardness
11-15 grains per gallon
Water Flow Requirements (for water heater submittal)
Model Flow Rate Temp Rise Headloss Flow Rate Temp Rise Headloss Flow Rate Temp Rise Headloss Flow Rate Temp Rise Headloss
GPM °F Ft LPM °C m GPM °F Ft LPM °C m
2000 152 25 33.0 575 14 10.1 177 21 43.9 670 12 13.4
2500 190 25 33.7 719 13.9 10.0 220 21 46.0 833 11.7 14
3000 190 30 36.0 719 17 11.0 220 26 46.0 833 14 14
3500 222 30 30.6 839 17 9.0 266 25 40.6 1007 14 12
4000 224 34 30.0 848 19 9.1 266 29 41.2 1007 16 12.6
Allowable pH: 6.5 to 9.5
Headloss is for the heater only (no piping)
Water Hardness
1-10 grains per gallon
Water Hardness
11-15 grains per gallon
Water Flow Requirements (for water heater submittal)
Model Flow Rate Temp Rise Headloss Flow Rate Temp Rise Headloss Flow Rate Temp Rise Headloss Flow Rate Temp Rise Headloss
GPM °F Ft LPM °C m GPM °F Ft LPM °C m
2000 152 25 33.0 575 14 10.1 177 21 43.9 670 12 13.4
2500 190 25 33.7 719 13.9 10.0 220 21 46.0 833 11.7 14
3000 190 30 36.0 719 17 11.0 220 26 46.0 833 14 14
3500 222 30 30.6 839 17 9.0 266 25 40.6 1007 14 12
4000 224 34 30.0 848 19 9.1 266 29 41.2 1007 16 12.6
Allowable pH: 6.5 to 9.5
Headloss is for the heater only (no piping)
Water Hardness
1-10 grains per gallon
Water Hardness
11-15 grains per gallon
*
*
*
*
Table 10. Boiler Flow and Head Requirements
Table 11. Water Heater Flow and Head Requirements