CB CH Cascade product info

Modular customized system for any boiler room

The incorporated cascade regulator makes the CB CH the ideal boiler for cascade systems up to twelve boilers. Simple looping and straight-forward connections make the installation easy. With the supplied cascade rack, a capacity of more than two megawatts can be installed in the most inaccessible areas. The system is equipped with adjustable legs and does not have to be anchored to the wall.

Features cascade
✓ Complete cascade set including assembly manual
✓ Water-side supply and return pipe
✓ Open distributor
✓ Gas-side distributor
✓ Open distributor sensor
✓ Connection set for the individual boilers
✓ Common flue system available

 

Popular specifications

Boiler model   CB-85-CH CB-105-CH CB-125-CH CB-155-CH
Dimensions (h x b x d) mm 845 x 440 x 530
Weight empty kg 77 79 83 86
Flue connection concentric pipe mm 100/150 100/150 100/150 N/A
Flue connection twin pipe mm 100 100 100 150
Nominal input (Net) kW 15,4 – 81,7 18,6 – 97,3 23,6 – 119,4 35,0 – 145,3
Nominal input 80/60°C kW 14,9 – 79,1 18,0 – 94,2 22,9 – 115,7 33,9 – 140,9
Efficiency (input 30%, return 30°C) % 108,2% 108,4% 108,4% 108,6%
Nitrogen Dioxide Emission (NOx) mg/kWh 23,1 21,3 23,9 20,1

 

General

Boiler model   CB-85-CH CB-105-CH CB-125-CH CB-155-CH
Dimensions (h x w x d) mm 845 x 440 x 530
Water content (estimated) liter 5,0 6,5 8,3 10,4
Weight (empty) kg 77 79 83 86
Supply /return connection (boiler) inch  1” 1” 1” 1 ¼”
Gas connection inch  ¾” ¾” ¾” 1”
Flue connection twin pipe mm 100 100 100 150
Flue connection concentric pipe mm 100/150 100/150 100/150 N.A.
Gas appliance type  – B23(P), C13, C33, C43, C53, C63, C83, C93

Heating

Boiler model   CB-85-CH CB-105-CH CB-125-CH CB-155-CH
Nominal input net G20 kW 15,4 – 81,7 18,6 – 97,3 23,6 – 119,4 35,0 – 145,3
Nominal output G20 (80-60) kW 14,9 – 79,1 18,0 – 94,2 22,9 – 115,7 33,9 – 140,9
Nominal output G20 (50-30) kW 16,0 – 85,1 19,5 – 101,8 24,7 – 124,7 36,4 – 151,0
Nominal output G20 (37-30) kW 16,6 – 88,4 20,2 – 105,5 25,6 – 129,7 38,0 – 157,8
Turndown ratio 1:x 5 5 5 4
Efficiency (input 30%, return 30°C) % 108,2% 108,4% 108,4% 108,6%
Seasonal efficiency (Part L) % 95,6% 95,7% 95,7% 95,8%
Seasonal space heating energy efficiency (ɳs) % 92,4% 92,6% 92,7% 92,9%

Gas consumption

Boiler model   CB-85-CH CB-105-CH CB-125-CH CB-155-CH
G20 m3/h 1,6 – 8,5 1,9 – 10,2 2,5 – 12,5 3,7 – 15,3
G31 m3/h 0,6 – 3,2 0,8 – 3,9 1,0 – 4,8 1,6 – 15,7
Gas supply pressure nominal G20 mbar 20
G31 mbar 37

Emission

Boiler model   CB-85-CH CB-105-CH CB-125-CH CB-155-CH
NOx class – 6
Nitrogen Dioxide Emission (NOx) 1 mg/kWh 23,1 21,3 23,9 20,1
Flue gas temperature at combustion air temperature of 20 °C °C 60 – 90
Available pressure for the flue system2 Pa 200
Noise level dB(A) 65,8 68,0 67,8 73,0
1 These numbers are used to assign two credits according to the BREEAM 2018 standards
2 Maximum allowed combined resistance of flue gas and air supply piping at high fire

Installation

Boiler model   CB-85-CH CB-105-CH CB-125-CH CB-155-CH
Maximum supply temperature °C 90
Resistance water heater ΔT = 20 °C mWc 4,0 3,4 3,8 3,6
Resistance water heater ΔT = 25 °C mWc 2,8 2,3 2,5 2,4
Pressure boiler bar 1,0 – 6,0

Electric

Boiler model   CB-85-CH CB-105-CH CB-125-CH CB-155-CH
Maximum power consumption W 190 280 280 280
Power supply V/Hz 230 / 50
Protection class – IPX4D