Installation Accessories; Sensor Well Set, Primary Circuit; Brine Circuit Pressure Switch; Brine Accessory Pack - Viessmann VITOCAL 300-G Technical Manual

Installation accessories

2.1 Primary circuit

Sensor well set, primary circuit

Part no. 7460 714
For on-site primary circuit pipework.

Brine circuit pressure switch

Part no. 9532 663
Note
Cannot be used in conjunction with potassium carbonate-based heat
transfer medium.

Brine accessory pack

Only for single stage heat pump type BW 121 and BW 129.
■ For systems with a brine circuit pump (primary pump) in the brine
return.
■ Suitable for Viessmann heat transfer medium "Tyfocor" based on
ethylene glycol (see chapter "Heat transfer medium").
■ Brine accessory pack for single and two-stage heat pumps, ther-
mally insulated with vapour diffusion-proof material.
Components:
■ Air separator
■ Safety valve (3 bar)
■ Pressure gauge
■ Drain & fill valves (2 pce)
■ Fittings for installing the primary pump
■ Shut-off valves
■ Wall mounting bracket
■ Thermal insulation (vapour diffusion-proof)
■ Expansion vessel
■ Subject to part no., with or without circulation pump
Heat pump type BW 121
Expansion vessel
Part no. for brine acces-
sory pack
Without circulation pump Z008 585
(Connection set for on-site
circulation pump G 2)
With Wilo high efficiency Z008 594
circulation pump, type
Stratos Para (3 - 11 m),
230 V~
(Connection set for on-site
circulation pump G 1½)
With Wilo standard circu-
lation pump:
– Type TOP S 30/7, Z008 591
400 V~
(Connection set for on-
site circulation pump
G 2)
– Type TOP S 30/10,
400 V~
(Connection set for on-
site circulation pump
G 2)
VITOCAL 300-G
BW 129 BW 145
35 l 50 l on-site
Z008 586 on-site
—
—
— Z008 592
Components:
■ Pipe with connection R1¼ (2 pce)
■ Sensor well for temperature sensors (flow and return)
Note
The temperature sensors are included in the standard delivery of the
heat pump.
Circulation pump curves
See chapter "Primary pump".
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VIESMANN
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