Instruction/ maintenance manual of the product Dual Temperature SWICHGAGE MDTM89 Murphy
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MDTM-8907N page 1 of 4 MDTM-8907N Revised 10-07 Section 10 (00-02-0165) Description Murphy's model MDTM89 is an electronic, dual-temperature moni- tor . It monitors two thermocouples, displays the temperature of the thermocouple selected, and has adjustable trip points for each input.
MDTM-8907N page 2 of 4 One Thermocouple Only Even though the MDTM89 is a dual temperature monitor , it will monitor and display one temperature with equal results. When monitoring one temperature, always jumper the unused thermocou- ple terminals on the back of the MDTM89 with a short length of wire.
MDTM-8907N page 3 of 4 3. When connecting the thermocouple extension wire to your thermo- couple leads, twist the wire connections, then install wire nuts, such as ceramic type, which have no metal insert.
MDTM-8907N page 4 of 4 12/24 VDC 12/24 NC NEG TC1 TP1 TC2 See T able 1 for wire color code. See T able 1 for wire color code. Load Load Power Source Power Source Thermocouple TC1 Input Thermocouple TC2 Input TP2 H N 120 V AC/24 VDC Isolation Module 120 V AC 24 VDC ISOLA TION MODULE TC1 TC2 See T able 1 for wire color code.
An important point after buying a device Murphy Dual Temperature SWICHGAGE MDTM89 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Murphy Dual Temperature SWICHGAGE MDTM89 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Murphy Dual Temperature SWICHGAGE MDTM89 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Murphy Dual Temperature SWICHGAGE MDTM89 you will learn all the available features of the product, as well as information on its operation. The information that you get Murphy Dual Temperature SWICHGAGE MDTM89 will certainly help you make a decision on the purchase.
If you already are a holder of Murphy Dual Temperature SWICHGAGE MDTM89, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Murphy Dual Temperature SWICHGAGE MDTM89.
However, one of the most important roles played by the user manual is to help in solving problems with Murphy Dual Temperature SWICHGAGE MDTM89. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Murphy Dual Temperature SWICHGAGE MDTM89 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
