w
w
w
.g
aymar
.com P/N 10187-000 7/98
k) High Temperature Backup Thermostat Trip Temperatures
The following procedure describes two different approaches for
measuring the trip points (actuation temperatures) of the machine’s high
temperature backup thermostats. Steps 1-15, pp. 25-26, should be
followed when a Gaymar MT590 Test Tool is available. For those facilities
not having access to an MT590, follow steps 1A-20A, pp. 27-28.
7.3 FUNCTIONAL CHECK &
SAFETY INSPECTION
(continued)
COMPRESSOR
COLD SOL.
HOT SOL.
PUMP
HEATER
J1
S2
BYPASS
NORMAL
R.F.U. CIRCUIT SELECT
HIGH TEMPERA
TURE
BACKUPTHERMOST
ATS
P/N
07713-000
TEST
PROBE
PATIENT
S3
®
A
B
FROM MT590 TEST TOOL
TO J1 ON POWER SUPPLY
BOARD IN HEAD
TO J1 ON
MT590 TEST TOOL
PATIENT PROBE
SIMULATOR
37°C
32°C
Figure 4—MT590 Test Tool
FUNCTIONAL CHECK &
SAFETY INSPECTION
24
SERVICE MANUAL
Medi-Therm II
