20
Ø16
Ø8
8
22
68.5
225
51.5
75
172.5
G1/2"
Ø12
Ø12
8
G1/2"
Ø12
8
AB
A
B
68.5
225
164
51.5
75
AB
A
B
172.5
Three-port valves
HOT WATER
OUT
1/2” GAS CONNECTION NUT
FORGED BRASS NUT 12 MM HT. (1/2") GAS
CONNECTION WITH TURNED-UP FLANGE (15/21)
EXT. DIAMETER 18 MM.
DETAIL OF COIL CONNECTOR
DETAIL OF VALVE CONNECTOR
DETAIL OF VALVE CONNECTOR
DETAIL OF COUPLING CONNECTOR
HOT
WATER IN
CHILLED
WATER IN
CHILLED
WATER OUT
HOT WATER
OUT
HOT WATER IN
CHILLED
WATER IN
CHILLED
WATER OUT
7.3 - Coil inlet/outlet positions, continued (dimensions in mm)
7.3.2 - ULTRA size 4.7
Two-port valves