42
Fig. 54 — Return Air Smoke Detector
(Shipping Position)
COMPLETING INSTALLATION OF RETURN AIR
SMOKE SENSOR
1. Unscrew the two screws holding the Return Air Smoke
Detector assembly. See Fig. 55, Step 1. Save the screws.
2. Turn the assembly 90 degrees and then rotate end to end.
Make sure that the elbow fitting is pointing down. See
Fig. 55, Step 2.
3. Screw the sensor and detector plate into its operating posi-
tion using screws from Step 1. See Fig. 55, Step 3.
4. Connect the flexible tube on the sampling inlet to the sam-
pling tube on the basepan.
ADDITIONAL APPLICATION DATA
Refer to the Application Data sheet titled,
Factory Installed
Smoke Detectors for Small and Medium Rooftop Units 2 to 25
Tons
for discussions on additional control features of these
smoke detectors including multiple unit coordination.
Step 12 — Adjust Factory-Installed Options
SMOKE DETECTORS
Smoke detector(s) will be connected at the Controls Connec-
tions Board, at terminals marked “Smoke Shutdown”. Remove
jumper JMP 3 when ready to energize unit.
ECONOMI$ER IV OCCUPANCY SWITCH
Refer to Fig. 56 for general EconoMi$er IV wiring. External
occupancy control is managed through a connection on the
Central Terminal Board.
If external occupancy control is desired, connect a time clock or
remotely controlled switch (closed for Occupied, open for Unoc-
cupied sequence) at terminals marked OCCUPANCY on CTB.
Remove or cut jumper JMP 2 to complete the installation.
Step 13 — Install Accessories
Available accessories include:
• Roof curb
• Thru-base connection kit (must be installed before unit is
set on curb)
• Manual outside air damper
• Two-position motorized outside air damper
• EconoMi$er IV (with control and integrated barometric
relief)
• EconoMi$er2 (without control/for external signal and inte-
grated barometric relief)
• Power exhaust
• Differential dry-bulb sensor (EconoMi$er IV)
• Outdoor enthalpy sensor
• Differential enthalpy sensor
• Time Guard II compressor anti-cycle control
• Outdoor coil hail guard
• Outdoor coil protector grille
• Head pressure control
• Programmable setback thermostat
• Electro-mechanical thermostat and subbase
• Thermidistat™ device
• Humidistat
• Electric heaters
• Single point kits
• Thermostat / sensors
• CO
2
sensor
• DDC interface (PremierLink™ controller)
• Louvered hail guard
• Phase monitor control
Refer to separate installation instructions for information on in-
stalling these accessories.
Fig. 55 — Completing Installation of Return Air Smoke Sensor
RETURN AIR
SMOKE DETECTOR
(AS SHIPPED)
Step 1
Step 2
Step 3
Содержание WeatherMaker 50TCQ*08
Страница 4: ...4 Fig 2 Unit Dimensional Drawing 08 and 09 Size Units ...
Страница 5: ...5 Fig 2 Unit Dimensional Drawing 08 and 09 Size Units cont ...
Страница 6: ...6 Fig 3 Unit Dimensional Drawing 12 Size Unit ...
Страница 7: ...7 Fig 3 Unit Dimensional Drawing 12 Size Unit cont ...
Страница 19: ...19 Fig 25 Typical 50TCQ Control Wiring Diagram Sizes 08 09 ...
Страница 20: ...20 Fig 26 Typical 50TCQ Control Wiring Diagram Size 12 ...
Страница 21: ...21 Fig 27 50TCQ 08 09 Power Wiring Diagram ...
Страница 22: ...22 Fig 28 Typical 50TCQ 12 Power Wiring Diagram 208 230 v 3 Phase 60Hz Unit Shown ...
Страница 45: ......