Slant/Fin VSL II series Quick Start Manual page 8

8
Boiler Model
90A
150A
199A
250A
Boiler Model
90A
150A
199A
250A
Boiler Model
90A
150A
199A
250A
When sizing pressure drop through the boiler using glycol an additional 19% pressure drop will occur with a
30% glycol system and an additional 35% pressure drop will occur with a 50% glycol system. The maximum
amount of glycol used with the VSL II boiler must be limited to a concentration of 50%.
Boiler Model
90A
150A
199A
250A
GPM Feet of Head
8 21.3
13 13
18 28
22 NA
GPM Feet of Head
7 17
11 11
14 19
18 28
GPM Feet of Head
5 9
9 7
12 15
15 22
Circulator Sizing Chart for Systems with Glycol
r
30˚F T Boiler Loop with Glycol Pressure Drops
GPM Feet of Head 100% Water
5 9
9 7
12 15
15 22
r
20˚F T System
Grundfos Model
UPS26-99 (Speed 3)
UPS26-99 (Speed 2)
UPS26-150 (Speed 3)
NA
r
25˚F T System
Grundfos Model
UPS26-99 (Speed 2)
UPS26-99 (Speed 2)
UPS26-99 (Speed 3)
UPS26-150 (Speed 3)
r
30˚F T System
Grundfos Model
UPS15-58 (Speed 2)
UPS15-58 (Speed 3)
UPS26-99 (Speed 2)
UPS26-150 (Speed 2)
Feet of Head 30% Glycol
11
8
18
26
Slant/Fin VSL II Quick Start Guide
Taco Pump Model Wilo Model
0011
0011 Star 17 FX
2450 Top-S 1.5x40
NA
Taco Pump Model Wilo Model
0014
0012 Star 17 FX
0013 Top-S 1.25x25
2450 Top-S 1.5x40
Taco Pump Model Wilo Model
008
0010
0011
2450 Top-S 1.25x35
Feet of Head 50% Glycol
12
10
20
30
Star 30 F
NA
Star 30 F
Star 21 F
Star 21 F
Star 30 F