Eco Heating Systems CB 105 HW, Инструкция по установке, обслуживанию и эксплуатации

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E93.1803.901 HW 40
8.1.7 E
LABORATED EXAMPLES
To elaborate the examples in this section, the rules of §§ 8.1.1 and 8.1.5. are repeated below:
1. Codes to a one water heater installation:
−
There’s only one flow pipe and one return pipe.
For the right diameter value see the table in § 8.1.1.
2. Codes for cascades having two or more water heaters connected:
Check the tables in § 8.1.5:
−
Pipes directly connected to the water heater D1 are selected from table A
−
Pipes directly connected to the tank D
T
are selected from table B.
−
The main pipes D between boilers and tanks are selected from table C
8.1.8 O
NE
CB 125 HW
HEATER WITH ONE
EWD500
TANK
Water heater and tank connections:
For this system only one pipe size is needed.
No numbering of water heaters, tanks and connections is required.
From table 1 in paragraph 8.1.1 : for 1 water heater CB-125-
HW at ΔT = 16.5
° C is D = 42

1.5 [mm

mm]
From table 1:
The maximum length of flow and return pipe 42

1.5 [mm

mm] is 2 x 30 m.
In case bends and/or valves are used, the maximum distance becomes less than 30 m.
Pump
From table 1: Use pump P2 .
D1
(=D)
D
D
D1
(=D)
1
D
D
KOUD IN
D
T
D
T
tank
EWD500
Water heater
CB-125-HW
Example 1
COLD IN