2 Flavor Operating Pressures

Viper — Refrigeration System

1. 2 Flavor Operating Pressures

   Viper 2 Barrel 60 Hz – 404a
   With Copeland ZB-15 compressor
   Charge : 96 oz.

   Refrigeration High Side

   70F = 240 +/- 10 psi

   80F = 275 +/- 10 psi

   90F = 315 +/- 10 psi

   100F = 360 +/- 10 psi

   Low Side

   1 brl 41+/- 2psi or 2brl 47 +/- 2psi

   Hot Gas Defrost High Side

   70F = 150 +/- 10 psi

   80F = 180 +/- 10 psi

   90F = 210 +/- 10 psi

   100F = 240 +/- 10 psi

   Low side

   70F = 37 +/- 5 psi

   80F = 48 +/- 5 psi

   90F = 58 +/- 5 psi

   100F = 67 +/- 5 psi

   Note: Only use factory replacement compressor unit was manufactured with.

   Viper 2 Barrel - 448a
   With Copeland ZS-15 compressor

   60Hz Viper

   50Hz Viper

   Note: For 2 FL Vipers ZB model compressors are used for units manufactured with 404a refrigerant. ZS model compressors are used for units manufactured with 448a refrigerant.

   Note: Only use factory replacement compressor unit was manufactured with.