32
7 - Product Description (continued)
SAFETY / CONTROL DEVICES
HAZARD CATEGORY / EVALUATION MODULE
A
High pressure switch (40.5 bar)
4/mod B+D
AT
High pressure transducer
BT
Low pressure transducer
D
Air temperature sensor
G
PED pressure relief valve (45 bar)
4/mod. H1 (4/mod D)
S
5/16” shrader connection (service only)
Pipe connection with shrader valve
COMPONENTS
VESSEL CATEGORY (
2) / EVALUATION MODULE
1
Tandem or trio Scroll type compressors
2/mod D1
2
Air cooled condenser
3
Globe valve
Note:
For reasons of readability, one circuit only is shown. The second circuit is identical.
AT
3
A
D
2
A
G
BT
3
3
S
S
S
1
Refrigerant flow diagram - AQWC units
