Mircom LT-879 CSIS-202A1 Installation guide
- Category
- Fire protection
- Type
- Installation guide
4" SQUARE ELECTRICAL BOX
2.5" DEEP
CSIS-202A1
½ INCH PLASTER RING (OPTIONAL)
FRONT PLATE
SUPERVISED SIGNAL ISOLATOR
Model: CSIS-202A1
FRONT PLATE
MOUNTING SCREWS
IDENTIFY SUITE
NUMBER USING A
PERMANENT MARKER
The CSIS-202A1 is a signal isolator which provides two supervised isolator outputs. These isolators remove the bells,
horns or strobes which follow it out of the circuit should there be a trouble (short). This feature provides integrity of the
signal circuit, that is; should an isolated bell, horn or strobe malfunction, the rest of the bells, horns or strobes will continue
to function.
INSTALLATION
The signal isolators mount into a standard 4 inch square electrical box using the 2 screws provided. These electrical boxes are usually
mounted in hallways, outside the suites which contain the signalling devices to be isolated. There is a white front plate included with the
isolator which is mounted onto the isolator as shown in Figure 1.
LT-879 Rev 5
CSIS-202A1 Supervised Signal Isolator Module
Installation Instructions
Notes
1. All unused screw terminals must be tightened to prevent shorting to front plate.
2. For proper system operation refer to detailed installation instructions provided with control panel and local installation standards.
3. Wiring supervised by the Fire Alarm Control Panel as per Code.
4. Refer to signal device instruction for wiring gauge information.
5. Subtract 0.1A from the total signal circuit current when using any number of these isolators i.e. 1.7A subtract 0.1A equals 1.6A
available for signalling when using isolators.
Electrical Ratings
Signal In: Regulated 24 FWR/24 VDC
Suite Current: 400 mA MAX per suite
Standby Current: 0.0A
To locate faulted suite device
1. Set all other signal circuits to bypass except the circuit under test.
2. If Class A circuit, disconnect the return wire at the panel.
3. Sound signals.
4. Walk the floor to locate area where the sound ceases, this is the
location of the fault.
Figure 1: Module Installation Instruction
4" SQUARE ELECTRICAL BOX
2.5" DEEP
½ INCH PLASTER RING (OPTIONAL)
FRONT PLATE
SUPERVISED SIGNAL ISOLATOR
Model: CSIS-202A1
FRONT PLATE
MOUNTING SCREWS
IDENTIFY SUITE
NUMBER USING A
PERMANENT MARKER
The CSIS-202A1 is a signal isolator which provides two supervised isolator outputs. These isolators remove the bells,
horns or strobes which follow it out of the circuit should there be a trouble (short). This feature provides integrity of the
signal circuit, that is; should an isolated bell, horn or strobe malfunction, the rest of the bells, horns or strobes will continue
to function.
INSTALLATION
The signal isolators mount into a standard 4 inch square electrical box using the 2 screws provided. These electrical boxes are usually
mounted in hallways, outside the suites which contain the signalling devices to be isolated. There is a white front plate included with the
isolator which is mounted onto the isolator as shown in Figure 1.
LT-879 Rev 5
CSIS-202A1 Supervised Signal Isolator Module
Installation Instructions
Notes
1. All unused screw terminals must be tightened to prevent shorting to front plate.
2. For proper system operation refer to detailed installation instructions provided with control panel and local installation standards.
3. Wiring supervised by the Fire Alarm Control Panel as per Code.
4. Refer to signal device instruction for wiring gauge information.
5. Subtract 0.1A from the total signal circuit current when using any number of these isolators i.e. 1.7A subtract 0.1A equals 1.6A
available for signalling when using isolators.
Electrical Ratings
Signal In: Regulated 24 FWR/24 VDC
Suite Current: 400 mA MAX per suite
Standby Current:
Alarm Current: 0.1A
0.0A
To locate faulted suite device
1. Set all other signal circuits to bypass except the circuit under test.
2. If Class A circuit, disconnect the return wire at the panel.
3. Sound signals.
4. Walk the floor to locate area where the sound ceases, this is the
location of the fault.
Figure 1: Module Installation Instruction
4" SQUARE ELECTRICAL BOX
2.5" DEEP
½ INCH PLASTER RING (OPTIONAL)
FRONT PLATE
SUPERVISED SIGNAL ISOLATOR
Model: CSIS-202A1
FRONT PLATE
MOUNTING SCREWS
IDENTIFY SUITE
NUMBER USING A
PERMANENT MARKER
The CSIS-202A1 is a signal isolator which provides two supervised isolator outputs. These isolators remove the bells,
horns or strobes which follow it out of the circuit should there be a trouble (short). This feature provides integrity of the
signal circuit, that is; should an isolated bell, horn or strobe malfunction, the rest of the bells, horns or strobes will continue
to function.
INSTALLATION
The signal isolators mount into a standard 4 inch square electrical box using the 2 screws provided. These electrical boxes are usually
mounted in hallways, outside the suites which contain the signalling devices to be isolated. There is a white front plate included with the
isolator which is mounted onto the isolator as shown in Figure 1.
LT-879 Rev 5
CSIS-202A1 Supervised Signal Isolator Module
Installation Instructions
Notes
1. All unused screw terminals must be tightened to prevent shorting to front plate.
2. For proper system operation refer to detailed installation instructions provided with control panel and local installation standards.
3. Wiring supervised by the Fire Alarm Control Panel as per Code.
4. Refer to signal device instruction for wiring gauge information.
5. Subtract 0.1A from the total signal circuit current when using any number of these isolators i.e. 1.7A subtract 0.1A equals 1.6A
available for signalling when using isolators.
Electrical Ratings
Signal In: Regulated 24 FWR/24 VDC
Suite Current: 400 mA MAX per suite
Standby Current: 0.0A
To locate faulted suite device
1. Set all other signal circuits to bypass except the circuit under test.
2. If Class A circuit, disconnect the return wire at the panel.
3. Sound signals.
4. Walk the floor to locate area where the sound ceases, this is the
location of the fault.
Figure 1: Module Installation Instruction
4" SQUARE ELECTRICAL BOX
2.5" DEEP
½ INCH PLASTER RING (OPTIONAL)
FRONT PLATE
SUPERVISED SIGNAL ISOLATOR
Model: CSIS-202A1
FRONT PLATE
MOUNTING SCREWS
IDENTIFY SUITE
NUMBER USING A
PERMANENT MARKER
The CSIS-202A1 is a signal isolator which provides two supervised isolator outputs. These isolators remove the bells,
horns or strobes which follow it out of the circuit should there be a trouble (short). This feature provides integrity of the
signal circuit, that is; should an isolated bell, horn or strobe malfunction, the rest of the bells, horns or strobes will continue
to function.
INSTALLATION
The signal isolators mount into a standard 4 inch square electrical box using the 2 screws provided. These electrical boxes are usually
mounted in hallways, outside the suites which contain the signalling devices to be isolated. There is a white front plate included with the
isolator which is mounted onto the isolator as shown in Figure 1.
LT-879 Rev 5
CSIS-202A1 Supervised Signal Isolator Module
Installation Instructions
Notes
1. All unused screw terminals must be tightened to prevent shorting to front plate.
2. For proper system operation refer to detailed installation instructions provided with control panel and local installation standards.
3. Wiring supervised by the Fire Alarm Control Panel as per Code.
4. Refer to signal device instruction for wiring gauge information.
5. Subtract 0.1A from the total signal circuit current when using any number of these isolators i.e. 1.7A subtract 0.1A equals 1.6A
available for signalling when using isolators.
Electrical Ratings
Signal In: Regulated 24 FWR/24 VDC
Suite Current: 400 mA MAX per suite
Standby Current: 0.0A
To locate faulted suite device
1. Set all other signal circuits to bypass except the circuit under test.
2. If Class A circuit, disconnect the return wire at the panel.
3. Sound signals.
4. Walk the floor to locate area where the sound ceases, this is the
location of the fault.
Figure 1: Module Installation Instruction
CSIS-202A1
CSIS-202A1CSIS-202A1
Alarm Current: 0.1A Alarm Current: 0.1A
Alarm Current: 0.1A
MODEL ISOLATOR
TO NEX T
DEVICE OR
END-OF -LINE
RESISTOR
+
FROM FIRE ALARM
SIGNAL CIRCUIT
-
-
+
CSIS-202A1
BELLS ARE SHOWN IN THE DRAW INGS, BUT THEY REPRESENT
HORNS AND STROBES AS WELL.
ISOLATED
ROOM
BELL
RETURN TO FIRE ALA RM
SIGNAL CIRCUIT FOR
CLASS “A” WIRING
-
-
-
-
+
+
+
+
ISOLATED
ROOM
BELL
SIGNAL IN
ROOM 1
OUT
ROOM 2
OUT
ROOM 1
RETURN
ROOM 2
RETURN
SIGNAL OUT
ISOLATED
ROOM
BELL
-
7(
+
)
3(
+
)
4(
+
)
-
+
+
5(
-
)
4(+)
7(
+
)
5(
-
)
TO NEXT
DEVICE OR
END-OF-LINE
RESISTOR
RETURN TO FIRE ALARM
SIGNAL CIRCUIT FOR
CLASS “A” WIRING
8(
-
)
-
-
6(
+)
3(
+
)
- -
8(
-
)
6(
+
)
ISOLATED
ROOM
BELL
FROM FIRE ALARM
SIGNAL CI RCUIT
NON-ISOLATED
BELL
NON-ISOLATED
BELL
MODEL ISOLATOR
CSIS-202A1
SIGNAL IN
ROOM 1
OUT
ROOM 2
OUT
ROOM 1
RETURN
ROOM 2
RETURN
SIGNAL OUT
SIGSM-100
SIGSM-100
SILENCE SWITCHSILENCE SWITCH
Figure 2: CSIS-202A1 Isolator wiring with room bells, horns or strobes
Figure 3: CSIS-202A1 Isolator wiring with SIGSM-100
LT-879 Rev 5
TO NEX T
DEVICE OR
END-OF -LINE
RESISTOR
+
FROM FIRE ALARM
SIGNAL CIRCUIT
-
-
+
MODEL ISOLATOR
CSIS-202A1
BELLS ARE SHOWN IN THE DRAW INGS, BUT THEY REPRESENT
HORNS AND STROBES AS WELL.
ISOLATED
ROOM
BELL
RETURN TO FIRE ALA RM
SIGNAL CIRCUIT FOR
CLASS “A” WIRING
-
-
-
-
+
+
+
+
ISOLATED
ROOM
BELL
SIGNAL IN
ROOM 1
OUT
ROOM 2
OUT
ROOM 1
RETURN
ROOM 2
RETURN
SIGNAL OUT
ISOLATED
ROOM
BELL
-
7(
+
)
3(
+
)
4(
+
)
-
+
+
5(
-
)
4(+)
7(
+
)
5(
-
)
TO NEXT
DEVICE OR
END-OF-LINE
RESISTOR
RETURN TO FIRE ALARM
SIGNAL CIRCUIT FOR
CLASS “A” WIRING
8(
-
)
-
-
6(
+)
3(
+
)
- -
8(
-
)
6(
+
)
ISOLATED
ROOM
BELL
FROM FIRE ALARM
SIGNAL CI RCUIT
NON-ISOLATED
BELL
NON-ISOLATED
BELL
MODEL ISOLATOR
CSIS-202A1
SIGNAL IN
ROOM 1
OUT
ROOM 2
OUT
ROOM 1
RETURN
ROOM 2
RETURN
SIGNAL OUT
SIGSM-100
SIGSM-100
SILENCE SWITCHSILENCE SWITCH
Figure 2: CSIS-202A1 Isolator wiring with room bells, horns or strobes
Figure 3: CSIS-202A1 Isolator wiring with SIGSM-100
LT-879 Rev 5
TO NEX T
DEVICE OR
END-OF -LINE
RESISTOR
+
FROM FIRE ALARM
SIGNAL CIRCUIT
-
-
+
MODEL ISOLATOR
CSIS-202A1
BELLS ARE SHOWN IN THE DRAW INGS, BUT THEY REPRESENT
HORNS AND STROBES AS WELL.
ISOLATED
ROOM
BELL
RETURN TO FIRE ALA RM
SIGNAL CIRCUIT FOR
CLASS “A” WIRING
-
-
-
-
+
+
+
+
ISOLATED
ROOM
BELL
SIGNAL IN
ROOM 1
OUT
ROOM 2
OUT
ROOM 1
RETURN
ROOM 2
RETURN
SIGNAL OUT
ISOLATED
ROOM
BELL
-
7(
+
)
3(
+
)
4(
+
)
-
+
+
5(
-
)
4(+)
7(
+
)
5(
-
)
TO NEXT
DEVICE OR
END-OF-LINE
RESISTOR
RETURN TO FIRE ALARM
SIGNAL CIRCUIT FOR
CLASS “A” WIRING
8(
-
)
-
-
6(
+)
3(
+
)
- -
8(
-
)
6(
+
)
ISOLATED
ROOM
BELL
FROM FIRE ALARM
SIGNAL CI RCUIT
NON-ISOLATED
BELL
NON-ISOLATED
BELL
MODEL ISOLATOR
CSIS-202A1
SIGNAL IN
ROOM 1
OUT
ROOM 2
OUT
ROOM 1
RETURN
ROOM 2
RETURN
SIGNAL OUT
SIGSM-100
SIGSM-100
SILENCE SWITCHSILENCE SWITCH
Figure 2: CSIS-202A1 Isolator wiring with room bells, horns or strobes
Figure 3: CSIS-202A1 Isolator wiring with SIGSM-100
LT-879 Rev 5
TO NEX T
DEVICE OR
END-OF -LINE
RESISTOR
+
FROM FIRE ALARM
SIGNAL CIRCUIT
-
-
+
MODEL ISOLATOR
CSIS-202A1
BELLS ARE SHOWN IN THE DRAW INGS, BUT THEY REPRESENT
HORNS AND STROBES AS WELL.
ISOLATED
ROOM
BELL
RETURN TO FIRE ALA RM
SIGNAL CIRCUIT FOR
CLASS “A” WIRING
-
-
-
-
+
+
+
+
ISOLATED
ROOM
BELL
SIGNAL IN
ROOM 1
OUT
ROOM 2
OUT
ROOM 1
RETURN
ROOM 2
RETURN
SIGNAL OUT
ISOLATED
ROOM
BELL
-
7(
+
)
3(
+
)
4(
+
)
-
+
+
5(
-
)
4(+)
7(
+
)
5(
-
)
TO NEXT
DEVICE OR
END-OF-LINE
RESISTOR
RETURN TO FIRE ALARM
SIGNAL CIRCUIT FOR
CLASS “A” WIRING
8(
-
)
-
-
6(
+)
3(
+
)
- -
8(
-
)
6(
+
)
ISOLATED
ROOM
BELL
FROM FIRE ALARM
SIGNAL CI RCUIT
NON-ISOLATED
BELL
NON-ISOLATED
BELL
MODEL ISOLATOR
CSIS-202A1
SIGNAL IN
ROOM 1
OUT
ROOM 2
OUT
ROOM 1
RETURN
ROOM 2
RETURN
SIGNAL OUT
SIGSM-100
SIGSM-100
SILENCE SWITCHSILENCE SWITCH
Figure 2: CSIS-202A1 Isolator wiring with room bells, horns or strobes
Figure 3: CSIS-202A1 Isolator wiring with SIGSM-100
LT-879 Rev 5
-
1
-
2
Mircom LT-879 CSIS-202A1 Installation guide
- Category
- Fire protection
- Type
- Installation guide
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