Dimensions
MLZ / MLM scroll compressors are factory
delivered with brazed connections only.
Dedicated rotolock adaptors and adaptor sets are
available as accessory.
Oil sight glass
Suction and discharge
connections
MLZ / MLM scroll compressors come equipped
with a threaded oil sight glass with 1"1/8 - 18
UNEF connection. It can be used for a visual
check of the oil amount and condition or it may
be replaced by an accessory oil management
device. The oil level must be visible in the sight
glass during operation.
Torque requirement= 52.5 ±2.5Nm
The oil fill and drain connection and gauge port
is a 1/4" male flare connector incorporating a
schrader valve.
Torque requirements:
Schrader valve core: 0.6 ±0.2 Nm
Schrader valve cover: 14.5 ±1Nm
Schrader
Compressor models
Brazed connection size
Rotolock adaptor set
(
adaptor,
gasket,
sleeve,
nut)
Rotolock adaptor
(
adaptor only)
Rotolock
Solder sleeve ODF
Code Number
Code Number
MLZ/MLM 015-019-021-026
Suction
3/4"
1-1/4"
3/4"
120Z0126
120Z0366
Discharge
1/2"
1"
1/2"
120Z0365
MLZ/MLM 030-038-042-045
Suction
7/8"
1-1/4"
7/8"
120Z0127
120Z0367
Discharge
1/2"
1"
1/2"
120Z0365
MLZ/MLM 048
Suction
7/8"
1-1/4"
7/8"
120Z0128
120Z0367
Discharge
3/4"
1-1/4"
3/4"
120Z0366
MLZ/MLM 058-066-076
Suction
1-1/8"
1-3/4"
1-1/8"
120Z0129
120Z0364
Discharge
7/8"
1-1/4"
7/8"
120Z0367
Tightening torque for rotolock connection: 90Nm ±20
Oil sight glass
Schrader valve
and cap
19
FRCC.PC.015.A8.02
Application Guidelines
