Connecting Co; Or N; System) Gas Supply - Thermo Scientific 3110 Operating And Maintenance Manual

Section 1
Installation and Start-Up

Connecting CO

2

System) Gas Supply

1-12 Water Jacketed CO Incubator
2
or N2 (O
Warning High concentrations of CO
2
local EHS policies regarding employee exposure to CO
monitors are recommended for confined areas where concentrations of
carbon dioxide gas can accumulate.
Warning High concentrations of N
CO can displace oxygen levels in a confined atmosphere. Refer to local
2
EHS policies regarding employee exposure to N
recommended for confined areas where concentrations of N
displace oxygen.
Note For customer convenience, 12 feet of 1/4" ID vinyl tubing with two
3/8" hose clamps are included in the shipping materials for connecting the
unit to the gas supply.
The incubator has 1/4" barbed fittings on the back of the cabinet to
connect the gas supply. Refer to Figure 1-13. The fitting is labeled CO2
Inlet #1. The N2 Inlet is also labeled.
Figure 1-13. Back Panel and All Connections
Install 3/8" hose clamps to secure the 1/4" ID tubing to the barbed fittings
on the regulator and the rear of the electronics drawer.
Warning Check for leaks at all connections.
For units having the CO
Warning This incubator is designed to be operated with CO
those units with an O
gas can result in a hazardous condition. Gases other than CO
should not be connected to this equipment.
s
a
Exit for Optional
Optional
RS 485
Analog Wiring
Remote
Air Make-up
a
Alarm
Inlet
a
RJ-11 telephone style connectors
b
Used with optional IR sensor
c
Used with optional Gas Guard system
d
Used with optional O sensor
2

or N

2 2
control system. Connecting a flammable or toxic
2
gas can cause asphyxiation! Refer to
2
s
gas can cause aphyxiation! N
2
. Oxygen monitors are
2
CO inlet
2
d
c
N inlet
#1 tank
2
CO inlet
2
b c
#2 tank
s
Gas Guard option, see Section 6.
s
. Carbon dioxide
2
and
2
or CO may
2 2
Power Cord
Connector
Convenience
Electrical
Outlet
gas, or N in
2 2
or N
2 2
Thermo Scientific