Instruction/ maintenance manual of the product 8J48A White Rodgers
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Printed in U.S.A. PART NO. 37-4013C Replaces 37-4013B 9522 8J48A Relay-Hot Water Control For use with 24 VAC or Self-Generating Gas Valve (Suitable for External Zone Valve Load) INST ALLA TION INSTRUC.
2 INST ALLA TION If the boiler manufacturer recommends a control location, then follow such recommendations. Otherwise, locate the control as close to the top of the boiler as possible, but not in the same section of the boiler that has fittings for domestic hot water.
3 WIRING AND OPERA TION All wiring should be installed according to local and national electrical codes and ordinances. Figure 4 shows wiring connections for a typical installation using the 8J48A with a 36C03 or a 36C53 24V manifold gas valve. Figure 5 shows wiring connections for the 8J48A with a 36C03U or 36C53U self-generating gas valve.
WIRING AND OPERA TION (cont’d) Circulator Motor 8J48A Thermostat L2 L1 C2 C1 Figure 6. Typical Connections for Zoning with 2-Wire Zone Valves B3 B1 TV Z 24V Gas Valve Hot LINE W-R 1361 Zone Valves Neutral T 13 2 Figure 7.
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