Operation Manual

EN • 8
ENFRRU PL DE IT ES NL
Delta Pro S / Delta Pro Pack : 664Y4900 • E
5353
5353
4x Ø 6,5 (M8)
Ø 112
GENERAL
The units are delivered fully assembled, tested and packed on a timber base
with shockproof edges; the package is protected by a heat-shrunk plastic film.
Upon receipt and after unpacking, check the equipment for transport damage.
For transport purposes, refer to the dimensions and weights given below:
MAXIMUM OPERATING CONDITIONS
Maximum Service Pressure [DHW tank full of water]
- Primary circuit : ........................................................................................................................ 3 bar
- DHW circuit : ......................................................................................................................... 8,6 bar
- Recommended safety valve (central heating) : ...................................................... 3 bar
- Recommended safety valve (DHW) : ........................................................................... 7 bar
Mains supply pressure
Max 6 bar, without a pressure reducing valve being required (to avoid discharge
of the safety pressure valve).
Maximum Operating Conditions
Maximum temperature : 90°C
Domestic Hot Water Quality
See "Recommendations for the Prevention of Corrosion and Scaling"
BURNER CHAMBER PLATE
OIL OR BLOWN GAS
The burner chamber plate has 4 threads (M 8) for attaching theburner. It is
protected from heat by a blanket insulation.
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS
Delta Pro S &
Pro Pack 25
Delta Pro S &
Pro Pack 45 Delta Pro S 55
Input power [Input] kW 28,3 49,3 58,7
Useful nominal power [output] kW 26,0 44,3 53,9
Eciency 80/60°C [max. output] % 91,9 89,8 91,8
Total capacity L 158 127,5 151
Primary capacity L 83 62,5 68
Heating connection Ø 1" [F] 1" [F] 1" [F]
Domestic hot water connection Ø 3/4" [M] 3/4" [M] 3/4" [M]
DHW cylinder heat exchange surface m 1,59 1,99 2,46
Water pressure drop boiler at ∆t = 20°C mbar 15 25 37
Flue gas circuit pressure drop mbar 0,25 0,30 0,45
DOMESTIC HOT WATER PERFORMANCE
Delta Pro S &
Pro Pack 25
Delta Pro S &
Pro Pack 45 Delta Pro S 55
System operating at 80°C
Peak ow rate at 40°C [
T = 30°C] L/10' 268 316 362
Peak ow rate at 40°C [
T = 30°C] L/60' 806 1284 1533
Continuous ow rate at 40°C [
T = 30°C] L/h 645 1161 1405
Tank rell time at 60°C
Initial heating time Minutes 32 16 16
After drawing o 140litres at 45°C Minutes 15 9 7