PENSOTTI PCI 20-H, Instruction Manual

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TECHNICAL CHARACTERISTCS
10
2. TECHNICAL CHARACTERISTICS
2.1 Technical data
Model PCI 34/20-H
CE Certification n° 0694BN3485
Appliance Type B23p-B33-C13-C33-C43-C53-C63-C83-C93
Appliance Category II2H3B/P
Heat Input max
kW - BTU/hr 34 - 116013
Heat Input max - D.H.W. production working
kW - BTU/hr 35 - 119445
Heat Input min kW - BTU/hr 10 - 34121
Heat Output max - 122/86°F kW - BTU/hr 36.2 - 123670
Heat Output max - 176/140°F kW - BTU/hr 33.4 - 114041
Heat Output max - D.H.W. production working - 176/140°F kW - BTU/hr 34.4 - 117378
Heat Output min - 176/140°F kW - BTU/hr 9.7 - 33200
AFUE % % 93.9
Efficiency 100% (full load 122/86°F) % 96
Efficiency 30% (partial load 122/86°F) % 97
Efficiency 100% (full load 176/140°F) % 87.7
Efficiency 30% (partial load176/140°F) % 88.8
Central Heating circuit
Central Heating water temperature setting (min-max) °C
– °F
30-80 / 25-40
– 86-176 / 77-104
Max. heating working temperature °C
– °F
80
– 176
Expansion vessel capacity litres - gal 7 - 1.85
Max. working pressure (heating) bar - psi 2.1 - 30
Min. working pressure (heating) bar - psi 0.3 - 4.29
Domestic Hot Water circuit
D.H.W. temperature setting (min-max) °C
– °F
35-70
– 95-160
Max. Hot water working pressure bar - psi 6 - 86
Min. Hot water working pressure bar - psi 0.5 - 7.16
D.H.W. 40 °C water supply (DT 30°C) for 1 hour litres - gal 1010
– 266.8
Max D.H.W. 40 °C water supply (DT 30°C) first 10 minutes litres - gal 186.5
– 49.26
Storage cylinder capacity litres - gal 20
– 5.3
D.H.W. Circuit expansion vessel capacity litres - gal 1
– 0,26
Dimensions (Boiler casing size)
Width in 19.3
Height in 35.4
Depth in 18.9
Weight (net) lb 145.51
Hydraulic connections
Central Heating Flow connection NPT 3/4"
Central heating Return connection NPT 3/4"
Cold water mains connection NPT 1/2"
D. Hot water connection NPT 1/2"
Gas connection NPT 1/2"
Flue systems
Horizontal-Concentric flue system Ø mm - in 80/125
– 3.15/5
Max. Flue length m - ft 8
– 26
2 Pipes non concentric flue system (flue and air intake) See Table Section 3.11
Max. Flue length (from terminal to terminal See Table Section 3.11
Gas Supply
Natural gas G 20
Operating Inlet pressure
“wc
6.0 min
– 9.0 max
Propane G31
Operating Inlet pressure
“wc
11.0 min
– 14.0 max
Electrical specifications
Power supply V/Hz 110/60
Electrical power consumption W 180
Electrical protection IP X4D