Internal H1 Extension; Internal H2 Extension; Am1 Extension - Viessmann VITODENS 242-F Technical Manual

Control units
(cont.)
0
7 2
1 3

Internal H1 extension

Part no. 7498 513
The internal H1 extension is part of the standard delivery and is inte-
grated (not for Vitodens 222-F and 242-F).
Using the extension enables the following functions to be achieved:
Function
– Connection of an external safety solenoid valve (LPG)
And one of the following functions:
– Connection of a heating circuit pump for a directly connected heating circuit
– Connection of a central fault message
– only with the Vitotronic 200, type HO1B:
Connection of a DHW circulation pump
Specification
Rated voltage 230 V~
Rated frequency 50 Hz

Internal H2 extension

Part no. 7498 514
PCB for installation in the control unit, in place of the integral internal
H1 extension.
Using the extension enables the following functions to be achieved:
Function
– External extractor interlock
And one of the following functions:
– Connection of a heating circuit pump for a directly connected heating circuit
– Connection of a central fault message
– only with the Vitotronic 200, type HO1B:
Connection of a DHW circulation pump
Specification
Rated voltage 230 V~
Rated frequency 50 Hz
7

AM1 extension

Part no. 7452 092
Function extension inside enclosure for wall mounting.
Using the extension enables up to two of the following functions
to be achieved:
■ Switching of DHW circulation pump (only with Vitotronic 200,
type HO1B and HO1C)
■ Switching the heating circuit pump for a directly connected heating
circuit
■ Switching the circulation pump for cylinder heating (not for boilers
with integral DHW cylinder)
VIESMANN
100
Specification
Cable length
Setting range
Switching differential
Breaking capacity
Setting scale
DIN reg. no.
Rated breaking capacity of the relay output
Rated breaking capacity of the relay output
4.2 m, fully wired
30 to 80 °C
max. 14 K
6(1.5) A, 250 V~
inside the casing
DIN TR 1168
1(0.5) A 250 V~
2(1) A 250 V~
6(3) A 250 V~
2(1) A 250 V~
VITODENS