Viper Installation, Service & Decommissioning Manual
© 2022, Marmon Foodservice Technologies Inc.
- 93 -
Publication Number: 620073146SER
CO
2
R
EGULATOR
R
EPLACEMENT
The CO
2
regulators are located at the center of the unit in back of the access panel, as shown in Figure 75. To replace the
regulators, perform the procedure in Table 78.
Figure 75. Front view of CO
2
Regulators w/ Access Panel Removed (2 Barrel Unit)
In Step 1
, disconnect electrical power from the unit. Failure to disconnect the power could result in serious injury, death, or equipment
damage.
Table 78.
Step
Action
1
Disconnect power from the unit.
2
Remove the access panel (two (2) screws) and the right side panel.
3
Turn off the CO
2
source and then turn the Product valve 90 degrees to the off position.
4
Relieve pressure in the barrel by opening the relief valve on the faceplate of both barrels.
5
Disconnect the three (3) supply lines at the rear of the regulators using a small wrench.
6
Remove the two lock nuts from the mounting bracket in back of the regulators.
7
Remove the pressure switch wires from the regulators.
8
Remove the assembly and replace the defective regulator.
9
Reverse the procedure to install the regulator assembly.
10
Check the system for leaks after repressurizing the system.
11
Reset the regulator to the desired setting.
CO2 Regulators
Barrel 1
Barrel 2
!
WARNING:
Содержание R-454C
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