Zehnder Rittling ComfoFond-L, Руководство по установке

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EN 21
8. Technical specifications
Description Comfofond-L 350 Comfofond-L 550
Mass Comfofond-L 42 kg 42 kg
Unit dimensions (l x b x h) 476 x 551 x 760 mm 476 x 551 x 760 mm
Air inlet dimensions 180 mm 180 mm
Air outlet dimensions 160 mm 180 mm
Outdoor temperature operating area -22ºC to 45ºC -22ºC to 45ºC
IP class 44 44
Power supply 220/230V AC, 50/60Hz, 1 phase 220/230V AC, 50/60Hz, 1 phase
Maximum power consumption 0.58 A 0.58 A
Power consumption nominal 0.20 A 0.20 A
Energy consumption maximum 70 W 70 W
Energy consumption nominal 46 W 46 W
Energy consumption minimum setting 5 W 5 W
Heating capacity 1800 W 2500 W
Cooling capacity 2000 W 3000 W
Maximum sound capacity 40 dB(A) 40 dB(A)
Ideal fluid pressure 1.5 bar 1.5 bar
Fluid volume Comfofond-L +/- 2 l +/- 2 l
Fluid flow rate 6-8 l/min. 8-10 l/min.
Fluid composition 30%-50% ethylene glycol
water mixture
30%-50% ethylene glycol
water mixture
Fluid connections ¾” conical male-threaded ¾” conical male-threaded
Condensation drain connection 1¼” male-threaded with
32 mm adapter
1¼” male-threaded with
32 mm adapter
Colour RAL7035 RAL7035
Linear adjustment of the energy consumption is possible
8.1 Brine loop dimensions
The Comfofond-L terrestrial heat collector (recommendations)
Type Pipe Fluid volume per 10
metre pipe [l]
Minimum length pipe
in solid ground [m]
Minimum length
pipe in sandy
ground [m]
Comfofond-L 350 25/20.4 PE 3,3 65 130
Comfofond-L 550 32/26 PE 5,3 100 200