Taco SR502 User Manual

PC700 Boiler Reset Control Connected to SR501-EXP Switching Relay
ZONE
CONTROL
BOIL
SEN
OUT
SEN
BOILER SENSOR
OUTDOOR
SENSOR
PC700
BOILER
SWITCH SETTINGS
Master/Slave: Master
Reset/Normal: Reset
120 VAC INPUT
SYSTEM
CIRCULATOR
POWER
T STAT
TO: "TT" ON BOILER
THERMOSTAT
NZCZRHHH
POWER
INPUT
120VAC
INPUT
120VAC
OUTPUT
CIRC
OUTPUT
PRIORITY
OUTPUT
RESET
POWER
CONTROLS
FUSE
1 AMP
NORMAL
MASTER
SLAVE
END
SWITCH
ZONE
VALVE
THERMOSTATEXPANSION
X
COM T/WT/R
X1 12243
JUMPER
TO: OPTIONAL ZONE VALVE
OR iSeries MIXING VALVE
MODE
FUSE
5 AMP
SR 501-EXP
H
N
T
17

Taco SR502 Specifications

General

Zones	2
Frequency	60 Hz
Relay Type	SPDT
Mounting	Wall mount
Input Voltage	120 VAC
Output Voltage	24 VAC
Enclosure Type	Plastic
Terminal Type	Screw terminal