Installation
6
Installing the Thermoswitch
Bird 889x series Loads can be equipped with an optional interlock thermo-
switch, P/N 8890-008. It is normally closed, opening at 236 °C (457 °F), with a
rating of 10A @ 120Vac and 5A @ 230Vac.
Note:
A control thermoswitch, P/N 2450-085, is used to control the
optional blower assembly. It is normally open, closing at 155 °C
(311 °F), with a rating of 10A @ 120Vac and 5A @ 230Vac.
1. Remove the vent plug.
2. Install the shipping plug.
3. Stand the unit on its back with the connector end up.
Note:
In this position there is no danger of the coolant pouring out
through the socket plug hole.
4. Do one of the following:
z
For Interlock Thermoswitch
:
Remove the socket plug just above the connector assembly with a
9
⁄
16
"
hex wrench. See “Installing the Interlock Connection” on page 6.
z
For Control Thermoswitch:
Remove the top socket plug with a
9
⁄
16
" hex wrench.
5. Replace the plug with the thermoswitch.
6. Apply pipe sealing compound to the external threads of the thermoswitch
sparingly, ONLY.
7. Check for coolant leaks upon completion.
Installing the Interlock Connection
1. Unscrew the large knurled ring-nut (A) at the lower end of the coupling jack
assembly.
2. Pull the large knurled nut off the thermoswitch jack (B).
3. Unscrew the small knurled cover fitting from the base plug (D) of the con-
nector to release the base.
4. Thread the control switch wires through the clamp (E) with the washers (F)
inside and with its threaded fitting in place.
5. Service the control switch wire with short tips and put spaghetti sleeves
over the wire ends if necessary.
WARNING
The vent plug must be used at all times when the unit is operating or
cooling. Failure to do so could result in an explosion or severe burns.
CAUTION
Do not contaminate the coolant with pipe sealant.
CAUTION
If installed, connect optional interlock before applying RF power.
深圳市新朗普电子科技有限公司
www.xLp17.com Email:[email protected]
TEL:0755-83986300 FAX:0755-88850515
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深圳市新朗普电子科技有限公司
www.xLp17.com Email:[email protected]
TEL:0755-83986300 FAX:0755-88850515
QQ：55178055 285480356
