Brine Loop Dimensions; Brine Mixture - Zehnder ComfoFond-L Q Serie Manual Del Instalador

Power consumption nominal
■ max 350 m 3 /h 7
■ max 450 m /h
3 8
■ max 600 m /h
3 8
Energy consumption maximum
Energy consumption nominal
■ max 350 m 3 /h 7
■ max 450 m /h
3 8
■ max 600 m /h
3 8
Power supply
Air inlet dimensions
Air outlet dimensions
■ ComfoFond-L Q TR
■ ComfoFond-L Q ST
Ideal brine pressure
Brine volume ComfoFond-L Q
Brine flow rate
■ max 350 m /h
3
■ max 450 m /h
3
■ max 600 m /h
3
Brine composition
Brine connections
Maximum head circulation pump
Condensation drain connection
IP class
Pump Class circulation pump
Mass
■ ComfoFond-L Q TR
■ ComfoFond-L Q ST
Unit dimensions (l x b x h)
Outside temperature operating area
Colour
Qv = 350 m /h, Toutside air = -12 °C, Tbrine flow = 8 °C, vbrine flow = 6 l/min, Tsupply air = 2,3 °C.
1 3
Qv = 350 m /h, Toutside = 35 °C, Tbrine flow = 12 °C, vbrine flow = 6 l/min, Tsupply air = 17,3 °C.
2 3
Qv = 450 m /h, Toutside = -12 °C, Tbrine flow = 8 °C, vbrine flow = 8 l/min, Tsupply air = 1.5 °C.
3 3
Qv = 450 m /h, Toutside = 35 °C, Tbrine flow = 12 °C, vbrine flow = 8 l/min, Tsupply air = 18 °C.
4 3
Qv = 600 m /h, Toutside = -12 °C, Tbrine flow = 8 °C, vbrine flow = 8 l/min, Tsupply air = -0.5 °C.
5 3
Qv = 600 m /h, Toutside = 35 °C, Tbrine flow = 12 °C, vbrine flow = 8 l/min, Tsupply air = 20.3 °C.
6 3
subsoil heat collector: 100 m, 25/20,4 mm, 6 l/min
7
subsoil heat collector: 100 m, 25/20,4 mm, 8 l/min
8
Linear adjustment of the energy consumption is possible
9

8.1 Brine loop dimensions

The ComfoFond-L Q terrestrial heat collector (recommendations)
Maximum m /h
3
350
450
600

8.2 Brine mixture

Desired ethylene glycol percentage
Maximum outside temperature [ºC]
-15
-20
-25
-30
EN - 28
9
9
Connection data
Pipe type Brine volume per 10
metre pipe [l]
25/20.4 PE 3,3
32/26.2 PE 5,3
32/26.2 PE 5,3
Percentage [%]
35
40
45
50
0,12 A
0,19 A
0,19 A
70 W
11 W
19 W
19 W
220/230V AC, 50/60Hz, 1 phase
180 mm
160 mm
180 mm
1,5 bar
+/- 2 l
6-8 l/min.
8-10 l/min.
8-10 l/min.
30%-50% ethylene glycol water mixture
3/4" straight male-threaded
7 m
11/4" male-threaded with 32 mm adapter
General
44
A
46 kg
47 kg
476 x 551 x 760 mm
-22 ºC to 45 ºC
RAL7045
Minimum length pipe in
solid ground [m]
65
100
110
Higher concentrations of ethylene glycol can
cause flow-related problems on account of the
viscosity of the mixture. Irreversible damage will
be caused to the machine if concentrations in
excess of 50% are used.
Minimum length pipe
in sandy ground [m]
130
200
220