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Connection of boilers ATMOS F12 Laddomat

Professional stainless steel connection based on 35 × 1.5 mm diameter pipe, designed to maintain a minimum temperature of return water to the boiler and quickly connect the boiler using two 6/4“ flat seal fittings. The connection includes all the necessary components required by the manufacturer (safety valve 2.5 bar, vent valve, manometer, Laddomat 22, set of pipes for different variants of boilers and unconnected separate pump group ESBE type GRA211 with manually operated three-way valve and pump.

Connection of ATMOS boilers up to 40 kW with manual stoking

ATMOS F12 Laddomat

Connection (boiler circuit) with Laddomat 22 and unconnected GRA211 pump group with manually operated three-way valve for one heating circuit.
This set contains four pipes of different lengths allowing installation on different types of ATMOS boilers.

1 – vertical hot water outlet from the boiler to the akumulation tank (heating system – pump groups)
2 – horizontal hot water outlet from the boiler to the akumulation tank (heating system – pump groups)
3 – safety set (safety valve 2,5 bar, vent valve and pressure gauge)
4 – ESBE GRA211 pump group with manually operated three-way valve for one heating circuit
5 – Laddomat X22 for one boiler circuit (with special ball valves)
6 – pump in the boiler circuit (part of Laddomat X22)
7 – thermometers (part of Laddomat X22)
8 – ball valve fitting – male thread (part of Laddomat X22)
9 – expansion tank output (1“)
10 – return from the accumulation tank (heating circuit) (inlet to the Laddomat – 6/4” male thread)
Accessories in the package
– 3/4” – 3 mm flat sealing 1 pc
– 1” – 3 mm flat sealing 7 pcs
– 6/4” – 3 mm flat sealing 4 pcs
– 2” – 3 mm flat sealing 2 pcs
– thermometer for Laddomatu 22 3 pcs
– nipple 6/4” 1 pc
– plug 1“ 1 pc
Pipes in the package
– boiler circuit pipe (B)
Ø 22 x 1,5 x 520
1 pc
Prescribed pump setting in the boiler circuit
– to maximum and constant displacement height
We recommend not to change it
– boiler circuit extension (C)
Ø 22 x 1,5 x 144
1 pc
– boiler circuit extension (D)
Ø 22 x 1,5 x 497
1 pc
– safety valve pipe (E)
Ø 22 x 1,5 x 1678
1 pc

 

 

Variant Connection height
(for boilers)
A
height
B
depth of connection
behind the boiler
 
A 1 – ATMOS F12 Laddomat – production design
(DC32S, DC40SX, DC15GS, DC20GS, DC25GS,
DC32GS, DC18GD, DC25GD, DC30GD)
1405 280 – 340
B 2 – ATMOS F12 Laddomat
– with pipe B in the boiler circuit
(DC18S, DC22S, DC22SX, DC25S, DC30SX,
C15S, C18S, AC16S, AC25S)
1331 280 – 340
A + C 3 – ATMOS F12 Laddomat
– with pipes A + C in the boiler circuit
(C25ST, C32ST)
1576 280 – 340
B + D a E 4 – ATMOS F12 Laddomat
– with pipes B + D in the boiler circuit
and pipe E on the safety valve

(DC18SP, DC25SP, DC30SPX)
1831 280 – 340
A + D a E 5 – ATMOS F12 Laddomat
– with pipes A + D in the boiler circuit
and pipe E on the safety valve

(DC32SP)
1903 280 – 340
– dimensions (mm)
* height of the pump group 400 mm / ** manifold height 170 mm
*** length of pipe A is 616 mm – production design

 

Example of connection without accumulation tank

(one heating circuit + DHW heating circuit)
– pump group ESBE GRA211 with manually operated three-way valve

 

 

 

Example of connection ATMOS F12 Laddomat with accumulation tank

(boiler circuit + one heating circuit + DHW heating)
– pump group ESBE GRA211 with manually operated three-way valve

Connection ATMOS F1 Laddomat extended by:
– ATMOS ESBE GMA421 manifold (double-circuit)
– circuit for DHW heating – ATMOS ESBE GDA211 pump group – direct

Accessories for extension of the basic connection

Circulation unit
ATMOS ESBE GRA211
Controlled – actuator 120 s
Spacing 125 mm – 1“ ↑↓ 1“
Recommended for radiators/underfloor heating
(order code: P0514)
Circulation unit
ATMOS ESBE GFA211
Thermostatic 20 – 55 °C
Spacing 125 mm – 1“ ↑↓ 1“
Recommended for underfloor heating
(order code: P0513)
Circulation unit
ATMOS ESBE GDA211
Direct
Spacing 125 mm – 1“ ↑↓ 1“
Recommended for domestic hot water
(order code: P0512)
Manifold for three circulation units (three circuits)
ATMOS ESBE GMA431
Spacing 125 mm – 1“ ↑↓ 1“
(order code: P0516)

 

Circulation unit
ATMOS ESBE GRA211
Mixing
Spacing 125 mm – 1“ ↑↓ 1“
Recommended for radiators
(order code: P0538)
Circulation unit
ATMOS ESBE GDA211
Direct
Spacing 125 mm – 1“ ↑↓ 1“
Recommended for domestic hot water
(order code: P0512)
Manifold for two circulation units (two circuits)
ATMOS ESBE GMA421
Spacing 125 mm – 1“ ↑↓ 1“
(order code: P0515)

 

Servo drive
ESBE ARA 661
230 V – 120 s – 6 Nm
(order code: P0415)

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