Keston Thermomatic RSM20/FB, Installation & Servicing Instructions Manual, Page: 3 / 46

Page 3
TECHNICAL DATA
Heal input (fixed) 26.2kW (89.400 Btu/h)
Heal output 23kW (78.500 Btu/h)
Burner pressure
14mbar(5.6in.w.g.)
Inlet 2Ombar
Burner
Worgas Thermomatic
3 injector 2.35 - 2.70 - 2.35 n
Gas control valve Honeywell VK 4105G
Control Box Honeywell VK 4105G
Filling loop
Inter Albion with Alhilil
double
check valve
Boiler control thermostat Ranco K36 Y21
Bimetallic Priority thermostat Cewal 91931199
Overheat thermostat Ranco LM7 P5 043
Anticondensing Thermostat Imit TR2
Electrical supply 240V-50HZ
Power consumption 180 W
Internal fuse rating 3A
Weight empty 77 kg (169.7 Ib)
Weight full 92 kg (203.O Ib)
CH max pressure 3 bar (44 psi)
CH min working pressure 0.5 bar (7.4 psi)
DHW max pressure 10 bar (146 psi)
DHW min working pressure 0.6 bar (8.7 psi)
CH expansion vessel 8 litres charged to 0.5 bar (7.4 psi)
DHW expansion vessel
0.1 60 litres charged lo 3.5 L
(51.5 psi)
CH max temperature 90°C
Design temperature rise 11°C
DHW flow at 30'c rise 11.0 l/min
DHW flow at 35'c rise 9.21 l/min