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Manafacture: Bosch File size: 24.35 kb File name: tstat-3si.pdf Language of manual:

Thermostat and common bell wire have this rating. MOUNTING TO OUTLET BOX: A standard electrical box (not included) may be used with the sensor plate as its cover. This provides room inside box for wire nut connection between sensor wires and wiring run to the thermostat. USING SENSOR PLATE: Attaching the plate directly to the outside wall simplifies mounting and requires less space, but the wire nut transitions to the thermostat wiring now need to be made within the wall. This may be difficult in some installations. PERFORMING THE INSTALLATION Once the mounting location has been selected, route the interconnecting wiring through the building between thermostat and outdoor sensor. The exit point from inside to outside will be the location of the outdoor sensor. The location of the wire nuts will be either inside or outside of wall depending on whether or not a box is used. Allow sufficient wire length for some excess on each end. IF AN OUTLET BOX IS USED: (See Fig. 1.) Drill a suitable hole in the building wall at selected sensor location. Route interconnecting wire through building wall. Remove rear knockout from electric box, route wire through box, and attach box to wall with supplied wood screws. Cut and strip wires to a reasonable length and connect with supplied wire nuts. Polarity is unimportant. Seal wires where they exit building with a suitable exterior caulk. Fasten cover to box with supplied sheet metal screws. SENSOR FIELD-SUPPLIED OUTLET BOX EXTERIOR WALL METAL SCREWS A94409Fig.1—MountingtoOutletBox Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations. Book 4 PC 101 Catalog No. 92-33TS-TA13C Printed in U.S.A. Form TSTAT-3SI Pg 1 12/15/94 Replaces: New Tab misc. misc. IF PLATE IS ATTACHED DIRECTLY TO WALL: (See Fig. 2.) Drill a suitable hole through the wall at selected sensor location. Route sensor wires through wall, making sure they are accessible from the inside. Use provided spacers to stand off plate from wall. Mount the sensor plate loosely to wall with only 1 screw so that access to hole is preserved for application of caulking. Fill hole with a suitable exterior caulking compound. Then insert second screw and tighten both screws carefully. From inside, locate sensor wires and wires from thermostat. Cut and trim thermostat wires to an appropriate length and connect with supplied wire nuts. It may be advisable to retain thermostat wire with a clamp or wire staple ahead of wire nuts to prevent a pull on this wire from damaging the more delicate sensor connections. THERMOSTAT CONNECTION: Turn OFF all power to system. The thermostat display will go blank. Open thermostat at rear hinge to access connector blocks. Route and connect wires at thermostat carefully to minimize amount of wire between wall and thermostat. Strip ends only 1/4 in. to prevent a possible short between wires at the thermostat. Attach wires to S1 and S2 terminals. Polar...

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