Instruction/ maintenance manual of the product 8A18Z-2 White Rodgers
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To prevent electrical shock and/or equipment damage, disconnect electric power to system, at main fuse or circuit breaker box, until installation is complete. Do not use on circuits exceeding specified volt- age. Higher voltage will damage control and could cause shock or fire hazard.
2 N P2 F2 L1 R W Y G LO HI L2 P2 F2 P1 120V 120V 120V 240V 240V 240V Fan connections Pump connections Line connections Low voltage transformer Pump relay Fan speed relay Low voltage thermostat connections Fan timer relay 8A18Z-2 Figure 1.
3 INST ALLA TION (cont’d) 5. Select an appropriate location for mounting the con- trol. Position the case on a smooth flat surface in a vertical position only (with electrical knockouts down). Mount the case using flat washers and screws (not provided) through the four mounting holes in the back of the case.
READ ALL INSTRUCTIONS CAREFU LLY BEFORE INSTALLING OR OPERATI NG THIS CONTROL The 1F51-619 lo w voltage thermostat is designed to operate with the White-Rodgers 8A18Z -1 Evaporative Cooler Control.
_____________________________________INSTALLATION______________________________________ Attaching Sub-Base to Wall 1. Route w ire from cooling equi pment to thermostat location and pull wires through hol e in wall so that 6 in.
If you need further information about this product, please write to White-Rodgers Division, Emerson Electric Co. 9797 Reavis Road St. Louis, MO 63123-5398 Attention: Technical Service Department.
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