68-0139
20
W180 ZONE CONTROL SYSTEM
CAUTION
To prevent damage to the equipment, do not con-
nect any voltage source greater than 24 Vac to any
circuit of the system.
gauge that will allow a minimum of 19 Vac to be
applied to the HVAC controls. Use isolating relays to
lower long loop current requirements.
l. Use UL Listed/CSA Approved cable to connect to
the 24 Vac power to the unit.
m. Do not run sensor or S321A Touchpad wires with
HVAC control switching wires.
18 AWG (MIN). SOLID OR STRANDED. VERIFY THE NUMBER OF CONDUCTORS REQUIRED
TO OPERATE EACH HVAC UNIT. 100 FT [30 M] MAX. IF DISTANCE IS MORE THAN 100 FT
[30 M], CALCULATE WORST-CASE POWER CONSUMPTION, CABLELOOP RESISTANCE,
AND WIRE GAUGE TO ALLOW 19 VAC (MIN) TO BE APPLIED TO HVAC EQUIPMENT. USE
ISOLATING RELAYS TO LOWER LONG LOOP CURRENT REQUIREMENTS.
198212CA OUTDOOR TEMPERATURE SENSOR
C7130A WALL MOUNT ROOM TEMPERATURE SENSOR
T7660A SPACE TEMPERATURE SENSOR
C7180A FLUSH MOUNT TEMPERATURE SENSOR
T7660B SPACE TEMPERATURE SENSOR WITH OCCUPIED OVERRIDE
AOBD HONEYWELL/ TROL-A-TEMP RECTANGULAR DAMPERS
D635B-G ZONE DAMPERS
V8043A,B,E,F,J; V8044A,B,E MOTORIZED VALVES
HVAC EQUIPMENT
18-22 AWG, THREE CONDUCTORS, SOLID OR STRANDED, 1000 FT [300 M] MAX.
18-22 AWG, TWO CONDUCTORS, SOLID OR STRANDED, 1000 FT [300 M] MAX. IF AN END
SWITCH IS USED, ADDITIONAL WIRES ARE REQUIRED TO POWER THE CIRCULATION PUMP.
18 AWG, TWISTED PAIR, SOLID OR STRANDED, 300 FT [90 M] MAX. 22 AWG WIRE CAN BE
USED FOR RUNS UP TO 150 FT [45 M]. DO NOT RUN WIRING WITH LOAD SWITCHING OR
POWER WIRES. USE SHIELDED CABLE FOR RUNS GREATER THAN 50 FT [15 M] TO MINIMIZE
ELECTRICAL NOISE ON SENSOR WIRES. ACCESSORY SHIELDED CABLES (FT [M]):
4074CAV, 50 [15]; 4074CAW, 100 [30]; 4074CAY, 200 [61].
18-22 AWG, TWISTED PAIR, SOLID OR STRANDED, 1000 FT [300 M] MAX. DO NOT RUN WIRING
WITH LOAD SWITCHING OR POWER WIRES.
18-22 AWG, THREE CONDUCTORS, SOLID OR STRANDED, 1000 FT [300 M] MAX.
18 AWG, THREE TWISTED PAIRS, SOLID OR STRANDED, 300 FT [90 M] MAX. 22 AWG WIRE
CAN BE USED FOR RUNS UP TO 150 FT [45 M]. DO NOT RUN WIRING WITH LOAD SWITCHING
OR POWER WIRES.
18 AWG, TWISTED PAIR, SOLID OR STRANDED, 300 FT [90 M] MAX. 22 AWG WIRE CAN BE
USED FOR RUNS UP TO 150 FT [45 M]. DO NOT RUN WIRING WITH LOAD SWITCHING OR
POWER WIRES. USE SHIELDED CABLE FOR RUNS GREATER THAN 50 FT [15 M] TO MINIMIZE
ELECTRICAL NOISE ON SENSOR WIRES. ACCESSORY SHIELDED CABLES (FT [M]):
4074CAV, 50 [15]; 4074CAW, 100 [30]; 4074CAY, 200 [61].
S321A
TOUCHPAD
HBUS
TO 24 VAC/40 VA
TRANSFORMER AND
EARTH GROUND
FOR POWERING
W180A CONTROLLER.
18 AWG, SOLID,
100 FT [30 M] MAX.
18 AWG, THREE
TWISTED PAIRS,
SOLID OR
STRANDED, 600 FT
[180 M] MAX FOR
EACH S321A
TOUCHPAD.
22 AWG WIRE
CAN BE
USED FOR
RUNS UP TO
250 FT [76 M].
W180A
CONTROLLER
M5597A
S321A
TOUCHPAD
S321A
TOUCHPAD
18 AWG (MIN). SOLID OR STRANDED. TO BE WIRED IN SERIES WITH THE HEATING
CONTROL ON CONVENTIONAL FORCED AIR SYSTEMS.
T675A HIGH LIMIT CONTROLLER
Fig. 14—Wiring specifications.
Содержание W180
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