Operating instructions

SPEClFlCATloNS
CALYDRA
Appliance category
Heat input C/H & DHW
Maximum
Heat output C/H 81 DHW
Maximum
C/H circuit pressures
Min operating
Max operating
DHW specific flow rates for 10 min
Q 30 deg C rise
Q 35 cieg C rise
DHW circuit pressures
Min operating
Max operating
Flow limiter rate
Compartment ventilation
80 100 CALYDRA 80 100
Cat ii 2H 3+ Cat ii 2H 3+ Natural gas G20
Gas rate
25.9 kW 31.1 kW Maximum 2.74 m31h 3.29 m3/h
88392 Btuh 106138 Btu4-1 97 ft3lh 116ft31h
inlet pressure
23.25 kW 28.0 kW Nominal 20 mbar 20 mbar
79347 Bhuh 95558 lBu4-1 8inwg 8inwg
Burner pressure
0.7 bar 0.7 bar Nominal 11 mbar 12.8 mbar
10 lb/in2 10 lb/in2 4.4 in wg 5.12 in wg
2.5 bar
2.5 bar
Burner injector and restrictor diameter
36.3 lb/in2 36.3 lb/in2 Natural gas G20 1.23 mm 1.28 mm
l/3 restrictor 2.60 mm 2.9 mm
11.5 Vmin 13.9 Vmin Z3 restrictor 6.7 mm no restrictor
2.54 gal/min 3.06 gai/min
9.86 Umin 11.91 Umin PROPANE LPG G31
2.17 gallmin 2.62 gailmin Gas rate
Maximum
0.1 bar 0.1 bar
1.45 lb/in2 1.45 lb/in2 inlet pressure
7 bar 7 bar
Nominal
100 lb/in2 100 lb/in2
8 Vmin 10 Vmin
Burner pressure
Nominal
not required
2.00 kg/h 2.42 kg/h
4.41 lb/l-u 5.34 Ib/hr
37 mbar
14.8 in wg
37 mbar
14.8 in wg
35 mbar
14 in wg
30.4 mbar
12.16 in wg