WATERS CORPORATION TQ, Operator'S Manual, Page: 164 / 192

B External Connections
164 December 6, 2012, 71500126802IVD Rev. C
Making the electrical connections for a roughing pump with an
external relay box
Roughing pump connections with an external relay box
To make the electrical connections for a roughing pump with an external
relay box
1. Connect the power cable from the roughing pump relay box connector to
the relay box.
2. Connect the relay cable from the relay box to the pump connector on the
instrument’s rear panel.
01757 U.S.A.
!
!
V ~ 200 - 240 V ~ 200 - 240
Hz
50 - 60 Hz 50 - 60
V VA 900
ACN 065444751
1
2
3
4
5
6
7
8
9
10
A nalog
N ot used
Stop Flow
Sw itch 2
G round
G round
O ut
O ut
1
2
3
4
5
6
7
8
9
10
Inject S tart
Event
Sw itch 3
Sw itch 4
G round
G round
In
In
O ut
O ut O ut
RS 232 RS 232
ETHERNET ETHERNET
API Gas API Gas
COLLISION GAS COLLISION GAS
6.9 Bar Maximum 6.9 Bar Maximum
1.0 BAR MAXIMUM 1.0 BAR MAXIMUM
SOURCE VENT SOURCE VENT
VACUUM VACUUM
VACUUM VACUUM
IVD IVD
PUMP PUMP
Serial Number
RP00002
Relay box
To power source
Detector rear panel
Roughing pump main
power connector