Motorised Two-Way Valve; Motorised Three-Way Valve; Pumps - Viessmann PYROMAT ECO Technical Manual

Installation accessories

Motorised two-way valve

Part no. 7441 735
Used as control valve for flow rate control during DHW heating

Motorised three-way valve

Designation
Motorised three-way valve, VXG 48.25/SSY 319
Motorised three-way valve, VXG 48.32/SQS 35.0
Motorised three-way valve, VXG 48.40/SQS 35.0
Standard delivery:
■ Motorised 3-way valve incl. gaskets, with fittings
■ Valve drive SSY 319 or SQS 35.0 (see following table)
DN [mm]
Kvs [m 3 /h]
25 10
32 16
40 20
Note
No individual issue: only supplied as part of an overall system

Pumps

Wilo Stratos PICO high efficiency pumps
■ ECM technology and integral electronic output control for variable
differential pressure control
■ Pre-selectable control types for optimum output matching
■ Automatic setback mode
■ Integral motor overload relay
■ LCD screen showing continuous consumption in watts
Wilo Stratos PICO 25/1-4
Wilo Stratos PICO 25/1-6
Wilo Stratos PICO 30/1-4
Wilo Stratos PICO 30/1-6
Note
We reserve the right to select the pump manufacturers and types.
No individual issue: Only supplied as part of an overall system.
PYROMAT ECO
(cont.)
Servomotor 230 V
SSY 319
SQS 35.0
SQS 35.0
Designation Part no.
7439 062
7439 063
7439 064
7439 065
Standard delivery:
■ Motorised 2-way valve incl. gaskets, with fittings
■ Valve drive SSY 319
Precise control characteristics and an airtight seal without leaks.
■ Ventilation routine for automatic ventilation of the rotor chamber
■ Pump casing made from grey cast iron
■ ErP READY
■ System temperature from +2 °C to +110 °C (no icing up)
■ 1 × 230 V~, 50/60 Hz
■ IP rating: IP 44
Rp Installed length
mm
1
1
1¼
1¼
DN Part no.
25 7441 732
32 7441 731
40 7441 730
Incl. complete fitting
R 1 – G 1½
R 1¼ – G 2
R 1½ – G 2¼
Nominal pressure
mm
180 PN 10
180 PN 10
180 PN 10
180 PN 10
27
4