
11
130
130
630
1260
1886
1730
1761
2047
H
388
235
535
474
741
190
171
342
122
1
2
3
4
630
630
274,5
Fig. 3 Combination of left 85-120 direct collectors
Ref
Description
1
DN 80 PN 6 flanged primary circuit flow
2
DN 80 PN 6 flanged primary circuit return
3
DN 50 PN 6 flanged gas inlet
4
DN 50 condensate drain
MODULAR GEN-
ERATOR MODEL
CH KR HEAT GENERATORS
MAXIMUM SYS-
TEM PRESSURE
FLUE GAS VENT
MINIMUM DIAM-
ETER
FLUE GAS VENT
HEIGHT
[H]
85
120
-
-
-
bar
mm
mm
85
x1
-
5
160
2075
120
-
x1
170
x2
-
2095
205(*)
x1
x1
240
-
x2
325(*)
x1
x2
5
200
2135
WARNING
(*) For these models the 85 boiler must be installed as head module.
FOR ALL ‘DIRECT COLLECTOR’ CONFIGURATIONS, IT IS MANDATORY TO SEPARATE THE PRIMARY CIRCUIT FROM
THE SECONDARY CIRCUIT USING A HYDRAULIC SEPARATOR OR A PLATE EXCHANGER, AFTER CHECKING THAT
HYDRAULIC CONNECTIONS AND FLOW RESISTANCES ARE NOT GREATER THAN THOSE INDICATED IN PARAGRAPH
Pressure loss
ON PAGE
83