Varian UNITY INOVA NMR, Hardware Installation, Page: 26 / 65

01-999044-00 C0501 UNITY INOVA Solids Hardware Installation
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Chapter 4.
Solids Cabinet Preparation and
Installation
This chapter describes preparation and installation procedures for the solids cabinet and
installation procedures for the Solids Relay Driver board.
4.1 Preparing to Install the Solids Cabinet
Before starting to install the solids cabinet, make sure you have the correct power supply,
tools, and sufficient space for the installation. Refer to
Table 2 for weights and dimensions
and to the
UNITY
INOVA Installation Planning Guide for additional planning details, such as
air conditioning requirements.
1. The solids cabinet contains Class A/AB rf amplifiers requiring a high-current power
source. Verify that the main power supply is 240 Vac single-phase, 30 A dedicated
line, separate from the 20 A power line used by the
UNITY INOVA console. Figure 3
illustrates the solids cabinet with the front panel removed.
2. The following tools and equipment are needed to perform the upgrade and
performance testing. Collect these before starting.
•
Dual-trace oscilloscope capable of accurate voltage measurements from dc to
400 MHz
•
500 W, 30 dB attenuator
•
2 W rotary attenuator, 0 to 100 dB in 10 dB and 1 dB steps
•
Spectrum analyzer
•
Complete Varian field service engineer tool kit
3. Check the items in the shipping kit against the parts list. If all the parts on the list are
included in the kit, proceed to the next step. If anything is missing, obtain it before
proceeding.
Table 2. Dimensions of Complete Solids Cabinet and UNITY INOVA Cabinet
Component Height Width Depth Weight
Complete Solids
Cabinet 142.3 cm
56 in. 55.3 cm
21.8 in. 78 cm
30.7 in. < 272 kg
< 600 lb
UNITY
INOVA
Standard Cabinet
124.5 cm
49 in. 110.7 cm
43.6 in. 78 cm
30.7 in. ~ 272 kg
~ 600 lb