Data Sheet for Product

Technical Instructions MVS661..N Series Modulating Refrigerant Valves
Document Number 155-404 for Ammonia (R717) and Safety Refrigerants
May 11, 2016
Page 10 Siemens Industry, Inc.
Agency approvals,
Continued
Environmental compatibility ISO 14001 (environment)
ISO 9001 (quality)
SN 36350 (environmentally-compatible
products)
RL 2002/95/EG (RoHS)
Permissible operating pressure PED 97/23/EC
Pressure accessories As per article 1, section 2.1.4
Fluid group 1 Without CE-marking as per article 3,
section 3 (sound engineering practice)
1) To EN 12284 tested with 1,43 × operating pressure at 1305 psi (90 bar).
2) At 113°F (45°C) < T
amb
< 131°F (55°C) and 176°F (80°C) < T
med
< 248°F (120°C) the valve
must be installed on its side to avoid shortening the service life of the valve electronics.
3) Transformer 160 VA.
4) In case of strong vibrations, use high-flex stranded wires for safety reasons.
Connection Terminals
Figure 2. Connection Terminals.
Connection
Diagrams
Terminal assignment
for controller with
four-wire connection
(preferred method)
Figure 3. Common Transformer.
Figure 4. Separate Transformer.