Honeywell RA89A دليل المستخدم

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R182J, R482J, R845A, R847A,
R882J, RA89A, RA832A
Switching Relays
These relays provide intermediate or heavy
duty service in a wide variety of switching con-
figurations.
n Relays with 24V control coils: Rl82J, R882J, R847A, n Heavy duty relays: R847J.
RA89A, RA832A, and R845A.
n R847A has flexible internal leads to provide either
n Relays with line voltage control coils: R482J. spst or spdt switching.
n Relays with internal 24V transformer: R182J, n RA832A has contacts for low voltage and
®
RA8

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R182J, R482J, R845A, R847A, R882J, RA89A, RA832A SPECIFICATIONS • ORDERING INFORMATION Specifications IMPORTANT: The specifications given in this publica- replacement value. TRADELINE model specifications are tion do not include normal manufacturing toler- the same as those of standard models except as noted below. ances. Therefore, this unit may not exactly match the listed specifications Also, this product is tested and TRADELINE MODELS AVAILABLE: calibrated under closely controlled conditions

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R182J, R482J, R845A, R847A, R882J, RA89A, RA832A SPECIFICATIONS • INSTALLATION a IMPORTANT: The transformer on the R182 can over- heat when used with a series 20 thermostat if the total resistance of the thermostat (including thermo- Fig. 1—Approximate mounting dimensions in in. [mm]. stat wire and thermostat contact resistance) exceeds 2.5 ohms, add a 100 ohm, 10 watt resistor between 1 the W and R terminals. Table 2 gives maximum 4 [108] 4 5 thermostat wire runs; if longer runs are necess

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R182J, R482J, R845A, R847A, R882J, RA89A, RA832A INSTALLATION MOUNTING TABLE 3—WIRE LENGTH SPECIFICATIONS. For replacement, mount the relay in the same location as Length of Run to the old control. If this is a new installation, locate the relay Total Wire Thermostat AWG Wire vertically on a solid wall or partition as near as possible to Length (2 wires) Size the device to be controlled. Select a location that is easily (Number) accessible for installation and service. Feet Metres Feet Metres

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R182J, R482J, R845A, R847A, R882J, RA89A, RA832A INSTALLATION Fig. 5—Thermostat connections for R182J. Fig. 7—Schematic diagram showing R845A in multizone, forced hydronic heating system. This arrangement is suitable for any number THREE-WIRE THREE-WIRE TWO-WIRE LOW VOLTAGE LOW VOLTAGE LOW VOLTAGE of additional zones. (SERIES 10) (SERIES 20) (SERIES 80) 2 1 THERMOSTAT THERMOSTAT THERMOSTAT HYDRONIC HEATING TO ADDITIONAL R845A CONTROL TERMINALS RELAYS FOR OTHER ZONES W R B B W R T RA845A RELAY T

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R182J, R482J, R845A, R847A, R882J, RA89A, RA832A INSTALLATION • SERVICE AND CHECKOUT Fig. 9—Internal schematic and hookup for Fig. 11—Internal view of RA832A Switching R847A. Relay. LOW VOLTAGE (CLASS 2) 2-WIRE THERMOSTAT T X R847A TT RELAY T X L2 L1 4 3 7 6 24V TRANSFORMER 4 4 3 1 1 2 1 TO TO L1 LOAD 2 L2 POWER LOAD 1 POWER (HOT) 1 POWER SUPPLY. PROVIDE OVERLOAD PROTECTION AND DISCONNECT MEANS AS REQUIRED. 2 1 2 WHEN CONTROLLING TWO LOADS, USE 3 AND 4 FOR LINE VOLTAGE LOAD AND 5 AND 6 FOR L