Worcester GR8700iW 35 C - Page 72

Technical Specifications/Logs
Greenstar 8000 Style – 6720883864 (2019/02)
72
GR8700iW 50
Unit Natural gas Propane
1)
1) Propane/butane mixture for fixed containers with capacity up to 15 000 l
Gas flow maximum rate – 10 minutes from lighting
Natural Gas
2)
m
3
/h 5.1 –
Propane Gas (LPG) kg/h – 3.8
Central Heating (CH)
Maximum rated heat input (net) (Q
max
) kW 34.4 34.4
Maximum rated heat output 40/30 °C kW 36.0 36.0
Maximum rated heat output 50/30 °C (P
cond, max
) kW 35.7 35.7
Maximum rated heat output 80/60 °C (P
max
) kW 33.8 33.8
Minimum rated heat input (net) (Q
min
) kW 5.1 5.1
Minimum rated heat output 40/30 °C kW 5.5 5.5
Minimum rated heat output 50/30 °C (P
cond, min
) kW 5.5 5.5
Minimum rated heat output 80/60 °C (P
min
) kW 5.0 5.0
Maximum flow temperature °C 70 70
Maximum flow temperature possible °C 82 82
Maximum permissible operating pressure (PMS) bar 2.5 2.5
Available pump head at 20 K ( °C) system temperature rise m 2.0 2.0
Domestic Hot Water DHW
Minimum heat input kW 6.3 6.3
Maximum rated heat input (net) (Q
n
W) kW 48.9 48.9
Maximum rated heat output (P
n
W) kW 48.9 48.9
Maximum mains inlet pressure (standing pressure PMW) bar 10 10
Minimum mains inlet pressure (working) for max. flow bar 2.5 2.5
Minimum mains inlet pressure (working) for operation bar 0.2 0.2
Minimum required flow to activate DHW demand l/min 1.9 1.9
DHW temperature range °C 35-60 35-60
Maximum cold water inlet temperature °C 60 60
Maximum DHW flow rate - 40 °C rise ± 15%
3)
l/min 18 18
Flue
Flue gas temperature max. load DHW demand °C 73/56 73/56
Flue gas temperature 80/60 °C, max/min load °C 73/56 73/56
Flue gas temperature 40/30 °C, max./min load °C 55/30 55/33
CO
2
level at max. rated heat output (after 10 minutes) % 9.5 10.8
CO
2
level at min. rated heat output (after 10 minutes) % 8.6 10.2
NO
x
class – 6 6
NO
x
rating (EN 15502-1) mg/kWh ≤ 40 ≤ 40
Condensate
Maximum condensate rate l/h 4.1 4.1
pH value, approx. – 4.5 – 5.0 4.5 – 5.0
Electrical
Electrical power supply voltage a.c. V 230 230
Frequency Hz 50 50
Maximum power consumption (running) W 143 143
Maximum power consumption (stand-by) W 1 1
Energy efficiency index (EEI) heating pump – ≤ 0.23 ≤ 0.23
General data
Expansion vessel capacity l 10.0 10.0
Expansion vessel pre-charge pressure bar 1.0 1.0
Appliance protection rating
4)
IP X4D X4D
Permissible ambient temperature short time/long time °C 0–50/40 0–50/40
Nominal capacity of the appliance l 5.9 5.9
Total packaged weight kg 57 57
Total appliance weight (excluding packaging) kg 49 49
Lift weight (without front and side panels) kg 43 43