DORCHESTER DR-FC 120, Installation, Comissioning And Maintenance Instructions

Page: 24 / 100

22
In
stru
ctio
n man
ual DR-FC
3.4.2 General and electrical specifications
DESCRIPTION Unit DR-FC 25 DR-FC 30 DR-FC 45 DR-FC 60 DR-FC 80 DR-FC 95 DR-FC 120
Contents litres 227 386 386 386 504 504 504
Empty weight kg 202 239 239 239 480 480 480
Maximum floor load kg 429 625 625 625 984 984 984
Maximum operating pressure (vented) kPa (bar) 800 (8) 800 (8) 800 (8) 800 (8) 800 (8) 800 (8) 800 (8)
Maximum operating pressure (unvented) kPa (bar) 550 (5.5) 550 (5.5) 550 (5.5) 550 (5.5) 550 (5.5) 550 (5.5) 550 (5.5)
Regulation interval, control thermostat
o
C 40…80 40…80 40…80 40…80 40…80 40…80 40…80
Default value, control thermostat
o
C 65 65 65 65 65 65 65
Regulation interval, hysteresis up
o
C 0…5 0…5 0…5 0…5 0…5 0…5 0…5
Default value, hysteresis up
o
C 5 5 5 5 5 5 5
Regulation interval, hysteresis down
o
C 0…10 0…10 0…10 0…10 0…10 0…10 0…10
Default value, hysteresis down
o
C 5 5 5 5 5 5 5
Number of (power) anodes - 1 2 2 2 2 2 2
Measured pressure differential across pressure switch Pa
≥
145
≥
145
≥
145
≥
145
≥
240
≥
240
≥
240
Pressure differential to open the pressure switch Pa < 115 < 115 < 115 < 115 < 210 < 210 < 210
Heating time
∆
T = 45ºC m
inutes 23 38 25 20 19 16 13
DESCRIPTION Unit DR-FC 25 DR-FC 30 DR-FC 45 DR-FC 60 DR-FC 80 DR-FC 95 DR-FC 120
Electrical power consumption W 45 45 75 115 95 145 240
Supply voltage (-15% +10% V
AC
) volts 230 230 230 230 230 230 230
Mains frequency (± 1Hz) Hz 50 50 50 50 50 50 50
IP class - IP 20 IP 20 IP 20 IP 20 IP 20 IP 20 IP 20
DESCRIPTION Unit: Value
Maximum mains pressure of cold water supply (vented) kPa (bar) 800 (8)
Maximum mains pressure of cold water supply (unvented) kPa (bar) 550 (5.5)
Maximum mains pressure of the protected cold supply setup kPa (bar) 500 (5)
Overflow pressure T&P kPa (bar) 700 (7)
Overflow temperature T&P °C 97