COMPRESSOR TYPE
RC46(W)
RC66(W)
RC86(W)
MAIN CONNECTIONS *
outer pipe diameter of welding neck in flange
suction
1
DN40
DN50
DN50
discharge
2
DN32
DN40
DN50
AUXILIARY CONNECTIONS
Remark:
connections 3, 4, 5, 6, 7, 9 and 10 are plugged off.
suction pressure
3
1
/
4
“ BSP
discharge pressure
4
1
/
4
“ BSP
oil pressure
5
1
/
8
“ BSP
crankcase pressure
6
1
/
4
“ BSP
return from oil separator or
oil rectifier
7
1
/
4
“ BSP
oil charge and drain valve
8
1
/
4
“ BSP
oil temperature
9
1
/
4
“ BSP
crankcase heating
10
1
/
2
“ BSP female to suit thread of heating element
oil leakage drain of rotary shaft seal
11
clamp coupling provided with Ø6 x 1 mm steel precision tube
water inlet/outlet (RCA6W only)
12
Ø19 mm hose connector
* Provided with a purging and evacuation stop valve type TAH8 (standard on discharge connection and optional on suction connection).
Table 4.2 Connections of RC6 and RC6W-compressors
Fig. 4.4 Dimensions of shaft end
Refrigeration Division
Grasso
4 . GE NE R A L D A T A
v001.99.01.en
Installation and Maintenance Manual RC(U)6
page C2.5
